1 2005-03-14 Roger Sayle <roger@eyesopen.com>
3 PR rtl-optimization/17236
4 * optabs.c (expand_doubleword_mult): New helper function split out
5 from expand_binop. Permute the order in which instructions are
6 emitted to minimize the number of simultaneously live registers.
7 (expand_binop): Call expand_doubleword_mult to synthesize a double
10 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
12 * basic-block.h: Update the prototypes of cached_make_edge and
14 * cfg.c (cached_make_edge): Take edge_cache representing one
15 row of the adjacency matrix of edges.
16 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
17 (make_edges): Initialize edge_cache to represent one row of
18 the adjacency matrix of edges.
20 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
22 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
24 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
25 Remove unused removed_phis variable.
26 (conditional_replacement): Use build1/build2.
27 (abs_replacement): Use last_and_only_stmt and build1/build2.
29 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
31 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
32 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
33 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
34 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
35 * c-common.c (handle_novops_attribute): New function.
36 (c_common_attribute_table): Add "no vops" entry.
37 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
38 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
39 * tree-ssa-operands.c (get_call_expr_operands): Do not
40 create virtual operands for calls with ECF_NOVOPS flag.
41 * tree.h (DECL_IS_NOVOPS): New macro.
42 (struct tree_decl): Add novops_flag.
43 (ECF_NOVOPS): New constant.
45 2005-03-14 Uros Bizjak <uros@kss-loka.si>
48 * config/i386/i386.c (x86_use_himode_fiop): New.
49 (x86_use_simode_fiop): Rename from x86_use_fiop.
50 * config/i386/i386.h (x86_use_himode_fiop): Declare.
51 (TARGET_USE_HIMODE_FIOP): New.
52 (x86_use_simode_fiop): Rename from x86_use_fiop.
53 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
55 * config/i386/i386.md (X87MODEI12): New mode macro define.
56 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
57 to implement x87 FP compare with HImode input operands.
58 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
59 Use X87MODEI12 mode macro to handle HImode input operands.
60 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
61 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
62 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
63 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
64 macro to implement x87 operators with HImode input operands.
65 (fop splitters): Use X87MODEI12 mode macro to handle HImode
68 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
70 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
72 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
75 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
77 * basic-block.h (BB_VISITED): Removed.
78 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
80 2005-03-14 Falk Hueffner <falk@debian.org>
83 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
85 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
87 * ggc-zone.c: Fix comment typos.
89 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
90 stringpool.c, config/mips/mips-protos.h: Update copyright.
92 2005-03-14 Alan Modra <amodra@bigpond.net.au>
94 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
95 throughout with its typedef, "rtx".
96 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
97 (rs6000_tls_symbol_ref_1): Remove inline keyword.
98 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
99 regs in comment to match code.
101 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
103 * except.c (check_handled): Make it static.
104 * except.h: Remove the corresponding prototype.
106 * function.c (get_func_frame_size): Make it static.
107 * function.h: Remove the corresponding type.
109 * regclass.c (reg_class_superclasses, reg_class_subclasses):
111 * hard-reg-set.h: Remove the corresponding declarations.
113 * tree-cfg.c (verify_stmts): Check that
114 bb_for_stmt (stmt) == bb for every PHI node and statement.
116 2005-03-14 Alan Modra <amodra@bigpond.net.au>
118 * config.gcc: Remove excess indentation.
119 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
121 2005-03-13 Roger Sayle <roger@eyesopen.com>
124 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
125 * fold-const.c (fold_sign_changed_comparison): Likewise.
126 (fold_binary): Optimize comparisons against widened operands if
127 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
129 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
131 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
132 (sparc_override_options): Initialize it.
133 (sparc_struct_value_rtx): Set it on the MEM to be returned.
135 2005-03-13 David Edelsohn <edelsohn@gnu.org>
137 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
138 (reg_or_none500mem_operand): New predicate.
139 (zero_reg_mem_operand): New predicate.
140 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
141 to reg_or_none500mem_operand.
142 (extendsfdf2_fpr): Add MEM alternative.
143 (extenddftf2_internal): Change operand2 predicate to
144 zero_reg_mem_operand.
146 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
148 * ggc-zone.c: Rewritten.
150 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
152 * configure.ac: Define GGC_ZONE for --with-gc=zone.
153 * config.in: Regenerated.
154 * configure: Regenerated.
155 * gengtype.c (write_types_process_field, write_func_for_structure):
156 Pass new argument to gt_pch_note_object.
157 * ggc-common.c (struct ptr_data): Add TYPE.
158 (gt_pch_note_object): Take TYPE argument and save it.
159 (call_count): Update call to ggc_pch_count_object.
160 (call_alloc): Update call to ggc_pch_alloc_object.
161 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
163 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
164 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
165 (ggc_alloc_zone_stat): Delete.
166 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
167 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
168 (ggc_pch_alloc_object): Update prototypes.
169 (garbage_zone): Delete.
170 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
171 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
173 (tree_id_zone): New variable.
174 (ggc_alloc_cleared_zone): Remove unused.
175 (ggc_alloc_zone): Define.
176 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
177 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
179 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
180 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
181 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
182 (make_node_stat): Likewise. Use tree_id_zone.
184 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
185 Joseph S. Myers <joseph@codesourcery.com>
187 * configure.ac: Check for MIPS TLS.
188 * configure: Regenerated.
189 * config/mips/mips-protos.h (enum mips_symbol_type): Add
190 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
191 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
192 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
193 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
194 (mips_classify_symbol, mips_symbolic_constant_p)
195 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
196 (mips_tls_operand_p, mips_call_tls_get_addr)
197 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
198 (mips_tls_symbol_ref_1): New functions.
199 (mips_legitimize_address, mips_legitimize_const_move): Call
200 mips_legitimize_tls_address.
201 (override_options): Handle V1_REG and TLS symbols. Disable TLS
203 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
204 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
205 (mips_char_to_class): Document V1_REG.
206 (HAVE_AS_TLS): Provide default.
207 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
209 (load_got<mode>): Renamed from *load_got<mode>. Allow when
211 (tls_get_tp_<mode>): New instruction.
213 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
215 * configure.ac: Update checks for target tools.
216 * configure: Regenerated.
218 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
220 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
222 2005-03-13 Roger Sayle <roger@eyesopen.com>
224 * expmed.c (expand_mult): Use synthetic multiplication sequences for
225 more classes of DImode multiplication by constant. Allow both
226 multiplication by small negative constants (by performing a
227 multiplication by a positive constant and negating the result) and
228 multiplications by large powers of two, by using a left shift.
230 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
232 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
233 of basic blocks into work_stack.
235 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
236 config/mips/vr.h: Update copyright.
238 * c-decl.c (c_init_decl_processing): Remove useless calls to
241 * builtins.c (fold_trunc_transparent_mathfn,
242 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
243 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
244 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
245 fold_builtin_strcpy, fold_builtin_strncpy,
246 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
249 * builtins.c (expand_builtin_mathfn_3): Remove local variable
252 * lambda-code.c (lambda_compute_auxillary_space): Remove local
253 variable determinant.
255 * tree-cfg.c (group_case_labels): Remove local variable type.
257 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
260 * tree-ssa-phiopt.c (value_replacement): Remove local variable
263 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
266 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
267 (*movmemqi_insn): Delete.
270 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
272 * builtins.c (fold_builtin_classify): Take decomposed
273 arguments of CALL_EXPR.
274 (fold_builtin_1): Update a call to fold_builtin_classify.
276 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
279 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
280 through into call to parser_xref_tag after parse error.
281 (c_parser_struct_declaration): Consistently return NULL_TREE on
284 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
286 * tree-flow-inline.h (ref_contains_array_ref): New function.
287 (lookup_subvars_for_var): Ditto.
288 (get_subvars_for_var): Ditto.
289 (var_can_have_subvars): Ditto.
291 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
292 (struct subvar): New type.
294 * tree-dfa.c (okay_component_ref_for_subvars): New function.
296 * tree-optimize.c (init_tree_optimization_passes): Call
297 pass_create_structure_vars.
299 * tree-ssa-alias.c: Include vec.h.
300 (init_alias_info): Don't auto-clear call clobbered on struct-field
302 (compute_flow_insensitive_aliasing): Handle subvars.
303 (group_aliases): Handle STRUCT_FIELD aliases.
304 (setup_pointers_and_addressables): Ditto.
305 Don't mark variables non-addressable if they still have
307 Also mark subvars addressable when the real variable is marked
309 (add_pointed_to_var): Try to prune the pointed-to set by only
310 pointing to subvars when possible.
311 Otherwise, make sure we set addresses_needed and pt_vars to
312 properly include subvars.
313 (bitpos_of_field): New function.
314 (push_fields_onto_fieldstack): Ditto.
315 (get_or_create_used_part_for): Ditto.
316 (create_overlap_variables_for): Ditto.
317 (find_used_portions): Ditto.
318 (create_structure_vars): Ditto.
319 (pass_create_structure_vars): New structure.
321 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
322 (get_expr_operands): Handle subvars. Also try to turn
323 COMPONENT_REF accesses into must-defs now that we can accurately
325 (note_addressable): Try to only mark as addressable those subvars
326 we know a COMPONENT_REF touches.
327 (overlap_subvar): New function.
329 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
330 Handle subvar storing.
331 (vect_address_analysis): Update caller of vect_object_analysis.
333 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
335 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
336 (STMT_VINFO_SUBVARS): New macro.
338 * common.opts: add flag_tree_salias.
340 * opts.c (decode_options): flag_tree_salias defaults to on.
342 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
344 * doc/tree-ssa.texi: Document structural alias analysis.
346 2005-03-12 Steven Bosscher <stevenb@suse.de>
348 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
349 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
350 * tree-ssa-operands.c (get_expr_operands): Likewise.
351 (get_expr_operands): Likewise for ERROR_MARK.
353 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
355 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
358 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
361 * tree-ssa-pre.c (compute_avail): Remove local variable val.
362 (mark_operand_necessary): Remove local variable ver.
364 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
367 * value-prof.c (mod_subtract_transform): Remove local variable
370 * builtins.c (fold_builtin_exponent): Take decomposed
371 arguments of CALL_EXPR.
372 (fold_builtin_1): Update a call to fold_builtin_exponent.
374 * builtins.c (fold_builtin_logarithm): Take decomposed
375 arguments of CALL_EXPR.
376 (fold_builtin_1): Update a call to fold_builtin_logarithm.
378 * c-decl.c (c_init_decl_processing): Remove local variables
379 ptr_ftype_void and ptr_ftype_ptr.
381 * gimplify.c (gimplify_expr): Remove local variables r0 and
384 * reg-stack.c (move_for_stack_reg): Remove local variable
386 (compare_for_stack_reg): Remove local variable flags_user.
387 (convert_regs_1): Remove local variable deleted.
389 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
391 (combine_blocks): Remove local variables exits and new_e.
393 * tree-inline.c (expand_call_inline): Remove local variable
396 * tree-ssa-live.c (create_ssa_var_map,
397 calculate_live_on_entry): Remove local variable snn.
399 2005-03-12 Geoffrey Keating <geoffk@apple.com>
401 * c-lex.c (c_lex_with_flags): Add parameter to call to
404 2005-03-11 Per Bothner <per@bothner.com>
406 * c-tree.h (struct c_declarator): New id_loc field.
407 * c-pragma.h (c_lex_with_flags): Take position reference.
408 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
409 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
410 (c_lex): Pass dummy location to c_lex_with_flags.
411 * c-parser.c (c_lex_one_token): Set c_token's location using
412 c_lex_with_flags, instead of input_location, which might be "ahead".
413 (c_parser_direct_declarator): Set declarator's id_loc from
415 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
416 declarator's id_loc, rather than probably-imprecise input_location.
417 (build_id_declarator): Initialize c_declarator's id_loc field.
419 2005-03-11 Roger Sayle <roger@eyesopen.com>
422 * builtins.c (expand_builtin_signbit): Force the signbit's word
423 into an integer register to avoid SUBREGs of floating point modes.
425 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
427 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
428 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
429 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
430 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
432 2005-03-11 David Edelsohn <edelsohn@gnu.org>
434 PR rtl-optimization/20306
435 * expr.c (emit_move_complex): Set try_int false if mode is
436 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
437 emit_block_move if try_int is true.
439 2005-03-11 Richard Henderson <rth@redhat.com>
442 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
443 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
446 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
448 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
449 (TARGET_FIX_VR4130): New macro.
450 (TARGET_OPTIONS): Add -mfix-vr4130.
451 (ISA_HAS_MACCHI): New macro.
452 (ASM_SPEC): Add -mfix-vr4130.
453 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
454 (override_options): Handle mips_fix_vr4130_string.
455 (mips_avoid_hazards): Clear all_noreorder_p
456 if we're working around VR4130 errata and the macc alternatives
458 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
459 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
460 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
461 (MULTILIB_DEFAULTS): Remove leading "march=".
462 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
463 if no architecture option is given.
464 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
466 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
467 * doc/invoke.texi: Document -mfix-vr4130.
469 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
471 * config/mips/mips.c (override_options): Only warn about -mint64
472 deprecation if TARGET_INT64.
474 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
476 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
477 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
478 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
479 are non-specific regarding the nonnull parameter positions.
480 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
481 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
482 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
483 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
485 * builtins.def: Use the non-specific "nonnull" attibute lists.
487 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
489 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
490 single_pred_edge, single_succ, single_pred): Improve comments.
492 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
494 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
495 single_pred_edge, single_succ, single_pred): New inline functions.
496 * bb-reorder.c (rotate_loop, find_traces_1_round,
497 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
498 duplicate_computed_gotos): Use the single_succ/pred functions.
499 * cfganal.c (forwarder_block_p): Ditto.
500 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
501 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
502 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
503 merge_seq_blocks): Ditto.
504 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
505 * cfglayout.c (fixup_reorder_chain): Ditto.
506 * cfgloop.c (mark_single_exit_loops, update_latch_info,
507 canonicalize_loop_headers, verify_loop_structure): Ditto.
508 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
509 mfb_update_loops, create_preheader, force_single_succ_latches,
510 create_loop_notes): Ditto.
511 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
512 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
513 commit_one_edge_insertion, purge_dead_edges,
514 cfg_layout_can_merge_blocks_p): Ditto.
515 * except.c (sjlj_emit_function_enter): Ditto.
516 * flow.c (init_propagate_block_info): Ditto.
517 * function.c (thread_prologue_and_epilogue_insns): Ditto.
518 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
519 insert_insn_end_bb): Ditto.
520 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
521 find_if_case_2): Ditto.
522 * lambda-code.c (perfect_nestify): Ditto.
523 * lcm.c (optimize_mode_switching): Ditto.
524 * loop-doloop.c (doloop_modify): Ditto.
525 * loop-init.c (loop_optimizer_init): Ditto.
526 * loop-iv.c (simplify_using_initial_values): Ditto.
527 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
528 * loop-unswitch.c (unswitch_loop): Ditto.
529 * modulo-sched.c (generate_prolog_epilog): Ditto.
530 * predict.c (combine_predictions_for_insn, estimate_probability,
531 tree_estimate_probability, last_basic_block_p,
532 estimate_bb_frequencies): Ditto.
533 * profile.c (branch_prob): Ditto.
534 * regrename.c (copyprop_hardreg_forward): Ditto.
535 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
536 * tracer.c (layout_superblocks): Ditto.
537 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
538 cfg_remove_useless_stmts_bb, cleanup_control_flow,
539 cleanup_control_expr_graph, disband_implicit_edges,
540 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
541 tree_verify_flow_info, tree_make_forwarder_block,
542 tree_forwarder_block_p, remove_forwarder_block,
543 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
544 * tree-if-conv.c (tree_if_conversion): Ditto.
545 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
546 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
547 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
548 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
549 copy_loop_headers): Ditto.
550 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
551 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
552 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
553 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
554 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
555 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
556 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
557 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
558 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
559 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
560 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
561 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
562 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
563 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
564 slpeel_add_loop_guard): Ditto.
566 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
568 PR tree-optimization/15784
569 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
572 * stmt.c (expand_case): Don't change index_type. Convert minval
575 PR tree-optimization/20130
576 * fold-const.c (fold): Fold x * -1 into -x.
578 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
580 PR rtl-optimization/20331
581 * rtlanal.c (modified_between_p): Check its address first for MEM.
582 (modified_in_p): Likewise.
584 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
586 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
588 2005-03-10 Steven Bosscher <stevenb@suse.de>
590 * expr.c (expand_expr_real_1): If possible, use a conditional
591 move for expanding MIN_EXPR and MAX_EXPR.
592 Use temp for moving around rtx-en.
594 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
597 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
600 2005-03-10 Roger Sayle <roger@eyesopen.com>
602 * builtins.c (expand_builtin_signbit): Extend to handle floating
603 point modes wider than the largest integer type, using the
604 operand_subword_force function to obtain the signbit's word.
606 2005-03-10 Jakub Jelinek <jakub@redhat.com>
609 * combine.c (try_combine): If recog_for_combine added CLOBBERs
610 to NEWI2PAT, fail to combine if they are used by NEWPAT.
612 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
614 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
616 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
618 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
620 (perform_edge_inserts): Unconditionally call
623 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
625 2005-03-10 Bob Wilson <bob.wilson@acm.org>
627 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
629 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
631 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
633 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
635 (rtl_register_value_prof_hooks,
636 tree_value_profile_transformations,
637 tree_register_value_prof_hooks): Likewise.
638 * var-tracking.c (stack_adjust_offset_pre_post,
639 variable_htab_free, variable_union, dataflow_set_different_2,
640 count_uses, variable_was_changed, set_frame_base_location,
641 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
642 vt_add_function_parameters): Likewise.
643 * varasm.c (named_section_real, named_section, make_decl_rtl,
644 asm_emit_uninitialised, assemble_integer, decode_addr_const,
645 const_hash_1, compare_constant, copy_constant, force_const_mem,
646 output_constant_pool_2, output_constant_pool_1, output_constant,
647 output_constructor, make_decl_one_only, decl_tls_model,
648 default_no_named_section, default_elf_select_section_1,
649 default_unique_section_1): Likewise.
650 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
651 * vmsdbgout.c (addr_const_to_string): Likewise.
654 * function.c (struct assign_parm_data_one): Remove last_named
656 (assign_parm_find_data_types): Don't determine last_named.
657 Reorder named_parm determination.
658 (assign_parms): Only setup varargs on the last non-varadic
661 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
663 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
664 sda base address on medium model.
666 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
668 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
669 * cfgloop.c (flow_loop_nodes_find): Export.
670 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
672 * cfgloopmanip.c (fix_loop_structure): New function.
673 * predict.c (predict_loops): Clean up the loops information.
674 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
675 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
677 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
678 (rewrite_into_loop_closed_ssa): Declaration changed.
679 * tree-loop-linear.c (linear_transform_loops): Add argument to
680 rewrite_into_loop_closed_ssa call.
681 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
682 * tree-ssa-loop-im.c (move_computations): Ditto.
683 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
684 * tree-vectorizer.c (vectorize_loops): Ditto.
685 * tree-optimize.c: Include cfgloop.h.
686 (execute_todo): Choose whether to call cleanup_tree_cfg or
687 cleanup_tree_cfg_loop.
688 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
689 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
690 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
691 cleanup_tree_cfg_loop call.
692 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
693 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
696 2005-03-10 Jakub Jelinek <jakub@redhat.com>
699 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
700 with multiple alternatives.
702 * stmt.c (parse_output_constraint): Fix a typo.
704 2005-03-09 Bob Wilson <bob.wilson@acm.org>
706 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
707 assembly directive instead of deprecated "no-generics".
709 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
711 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
712 for non-offsettable memory references to cope with outstanding reload
714 * config/s390/s390.md ("reload_outti"): Call find_replacement to
715 avoid losing outstanding address reloads.
716 ("reload_outdi", "reload_outdf"): Likewise.
718 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
720 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
721 code. Add more cbrt transformations.
723 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
725 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
727 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
729 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
730 NULL_TREE when a given tree is not simplified.
731 (fold): Return the original tree when any of the functions
732 mentioned above NULL_TREE.
734 * fold-const.c (fold_unary, fold_binary): Take decomposed
735 arguments, code, type, op0, and op1 in case of fold_binary.
736 (fold): Update calls to fold_unary and fold_binary.
738 2005-03-09 Roger Sayle <roger@eyesopen.com>
740 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
741 a fndecl and an arglist instead of a CALL_EXPR, exp.
743 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
745 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
747 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
749 * expr.c (expand_assignment): Remove orig_to_rtx.
751 * fold-const.c (int_const_binop): Remove no_overflow.
753 * ifcvt.c (noce_emit_move_insn): Remove inmode.
755 * loop-iv.c (get_biv_step_1): Remove lhs.
757 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
759 * real.c (real_nan): Remove neg.
761 * function.c (thread_prologue_and_epilogue_insns): Remove i
764 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
767 * tree-eh.c (tree_could_trap_p): Remove idx.
769 * tree-into-ssa.c (ann): Remove ann.
771 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
773 * tree-sra.c (decide_block_copy): Remove inst_count.
775 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
777 * tree-ssa-loop-im.c (lhs): Remove.
779 * cfgbuild.c (state, STATE, SET_STATE,
780 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
782 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
783 (find_basic_blocks): Set the state of each basic block to
786 2005-03-08 Jeff Law <law@redhat.com>
788 * tree-cfg.c (cleanup_control_flow): If removal of a computed
789 goto results in the removal of edges in the CFG, then we need
790 to recompute dominators.
792 2005-03-09 Ben Elliston <bje@au.ibm.com>
794 * c-common.c (c_do_switch_warnings): Comment fix.
796 2005-03-08 Julian Brown <julian@codesourcery.com>
798 * Patch from 2005-03-08 reverted for causing regressions and
799 ppc-darwin bootstrap failure.
801 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
803 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
804 Define the real function for ppc-darwin.
805 * c-typeck.c (convert_arguments): Check for target-specific
806 invalid argument call to unprototyped function.
807 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
809 * target.h (invalid_arg_for_unprototyped_fn): New field
811 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
813 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
816 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
818 * c-typeck.c (constructor_stack, constructor_range_stack,
819 initializer_stack): Make them static.
821 * cfg.c (rbi_pool): Make it static.
823 * gimple-low.c (lower_stmt_body): Make it static.
824 * tree-flow.h: Remove the corresponding prototype. Don't
827 * sched-deps.c (cache_size): Make it static.
829 * stor-layout.c (lang_adjust_rli): Make it static.
831 2005-03-08 Julian Brown <julian@codesourcery.com>
833 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
834 from being used for symbols with vague linkage when
835 HAVE_GAS_COMDAT_GROUP is true.
837 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
839 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
840 nlabel == JUMP_LABEL (jump).
842 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
844 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
845 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
846 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
847 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
849 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
852 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
853 * c-common.c (handle_returns_twice): New function.
854 (c_common_attribute_table): Declare eturns_twice' attribute.
855 * doc/extend.texi: Document eturns_twice' attribute.
856 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
857 (struct tree_decl): Add returns_twice_flag.
859 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
861 * tree-ssa-phiopt.c: Fix a comment typo.
863 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
864 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
865 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
868 2005-03-08 Richard Henderson <rth@redhat.com>
870 * config/alpha/alpha.c (code_for_builtin): Replace special-case
871 builtin codes with ctzdi2, clzdi2, popcountdi2.
872 (struct alpha_builtin_def): Add is_const.
873 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
874 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
875 (alpha_init_builtins): Init them. Set nothrow and const attributes
877 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
878 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
879 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
880 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
881 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
882 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
883 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
884 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
885 (TARGET_FOLD_BUILTIN): New.
886 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
887 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
889 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
891 2005-03-08 Ira Rosen <irar@il.ibm.com>
893 PR tree-optimization/20122
894 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
895 condition of access function instead of base.
897 2005-03-07 Jeff Law <law@redhat.com>
898 Steven Bosscher <stevenb@suse.de>
900 * tree-cfg.c (find_taken_edge_computed_goto): New function.
901 (find_taken_edge): Call find_taken_edge_computed_goto as
902 appropriate. Allow any gimple invariant rather than just
904 (cleanup_control_flow): Cleanup a computed goto which has turned
906 (tree_merge_blocks): If block B has any forced labels, move
907 them to the start of block A.
908 * tree-ssa-dom.c (thread_across_edge): Allow threading across
909 computed gotos as well.
910 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
911 removal of unnecessary computed gotos too.
912 (lookup_redirection_data): Fix type of INSERT argument. Callers
915 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
917 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
918 Remove trailing spaces.
920 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
921 unshare_all_trees): Make them static.
922 * tree-gimple.h: Remove the corresponding prototypes.
924 * diagnostic.h: Remove unused prototype
926 * modulo-sched.c: Remove unused prototype
927 set_row_column_for_ps.
929 * tree-ssa-phiopt.c (tree_ssa_phiopt,
930 replace_phi_edge_with_variable): Remove unused variable i.
932 2005-03-07 Per Bothner <per@bothner.com>
934 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
936 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
939 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
940 bbs on the COND_EXPR instead of the PHI_NODEs.
941 (candidate_bb_for_phi_optimization): Remove.
942 (replace_phi_with_stmt): Rename to ...
943 (replace_phi_edge_with_variable): this and change so that we
944 replace the phi argument instead of removing the PHI.
945 (conditional_replacement): Change so we deal with PHI with more
947 (value_replacement): Likewise.
948 (abs_replacement): Likewise.
950 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
952 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
953 output_e500_flip_gt_bit.
955 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
957 (rs6000_generate_compare): Fix logic to look at the correct bits.
958 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
960 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
961 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
962 gen_move_from_CR_gt_bit.
964 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
965 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
966 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
968 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
969 (E500_CR_IOR_COMPARE): New constant.
971 2005-03-08 Earl Chew <earl_chew@agilent.com>
972 David Billinghurst <David.Billinghurst@riotinto.com>
974 * config/i386/host-cygwin.c: New file to support precompiled
976 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
977 * config.host: Use above files for cygwin host.
979 2005-03-07 David Edelsohn <edelsohn@gnu.org>
981 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
982 ordering ops from earlier change.
984 2005-03-07 Per Bothner <per@bothner.com>
986 Various fixes to allow us to again build if --enable-mapped-location:
987 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
988 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
989 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
990 local variable loc. Change logic appropriately.
991 * tree-vect-transform.c (vect_finish_stmt_generation): Use
992 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
993 * c-parser.c (c_parser_for_statement): Initialize loc variable.
994 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
995 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
997 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
999 PR rtl-optimization/19683
1000 * reload1.c (choose_reload_regs): Pass the number of bits, not the
1001 number of bytes, to smallest_int_for_mode. Fix arguments to
1002 REG_CANNOT_CHANGE_MODE_P.
1004 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1006 * reorg.c (relax_delay_slots): Check that the jump is
1007 conditional before trying to invert it.
1009 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1011 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1014 * calls (stack_arg_under_construction): Make it static.
1016 * flow.c (regs_live_at_setjmp): Make it static.
1017 * flow.h: Remove the corresponding prototype.
1019 * reload1.c (reload_startobj, reload_firstobj,
1020 something_needs_operands_changed, reload_inherited,
1021 reload_inheritance_insn, reload_override_in,
1022 reload_spill_index): Make them static.
1024 * recog.c (verify_changes): Make it static.
1025 * recog.h: Remove the corresponding prototype.
1027 * cfgbuild.c (find_sub_basic_blocks): Remove.
1028 * basic-block.h: Remove the corresponding prototype.
1029 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1031 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1033 * tree-ssa-operands.c (check_build_stmt): Remove.
1035 * stor-layout.c (set_alignment): Remove.
1036 * tree.h: Remove the corresponding prototype.
1038 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1040 * tree-ssa-dce.c (control_dependence_map,
1041 visited_control_parents): Make them static.
1043 * cfghooks.c (verify_flow_info): Remove local variable
1046 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1049 * loop-unswitch.c (unswitch_loop): Remove local variable src.
1051 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
1053 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1055 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
1057 * config/ia64/hpux.h (LINK_SPEC): Add -z.
1058 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1059 PARALLEL for an empty structure.
1061 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1063 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1065 * fold-const.c (fold_binary): Unroll the very first "for"
1068 2005-03-06 David Edelsohn <edelsohn@gnu.org>
1070 * config/rs6000/predicates.md (branch_comparison_operator): Remove
1071 redundant match_code test.
1072 (scc_comparison_operator): Swap match_operand and match_code
1074 (branch_positive_comparison_operator): Same.
1075 (trap_comparison_operator): Use comparison_operator and swap with
1078 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
1081 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1082 (out_movhi_r_mr): Read low byte of volatile MEM first.
1083 (out_movhi_mr_r): Write high byte of volatile MEM first.
1085 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1087 * cselib.c (reg_values, reg_values_size): Make them static.
1089 * cse.c (cse_reg_info_table): Make it static.
1091 * fold-const.c (fold_unary): Use build1 instead of copy_node.
1093 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
1095 * cse.c (find_best_addr): Use canon_for_address.
1097 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1099 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1100 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1101 SUBREG and MEM, respectively.
1103 * fold-const.c (fold_binary): Use code instead of t.
1105 * fold-const.c (optimize_minmax_comparison): Take decomposed
1106 arguments code, type, op0, and op1 instead of t.
1107 (fold_binary): Update a call to optimize_minmax_comparison.
1109 * fold-const.c (fold_range_test): Take decomposed arguments
1110 code, type, op0, and op1 instead of t.
1111 (fold_binary): Update a call to fold_range_test.
1113 * fold-const.c (fold_binary_op_with_conditional_arg): Take
1114 decomposed arguments code, type, op0, and op1 instead of t.
1115 (fold_binary): Update a call to fold_range_test.
1117 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1119 * fold-const.c (fold_binary): Avoid directly using the original
1120 expression t as much as possible.
1122 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1124 * c-semantics.c (build_stmt): Use TYPE_P instead of
1125 IS_NON_TYPE_CODE_CLASS.
1126 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1127 (NON_TYPE_CHECK): Use TYPE_P instead of
1128 IS_NON_TYPE_CODE_CLASS.
1130 * fold-const.c (fold): Remove handling of binary expressions.
1132 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
1134 * doc/c-tree.texi: Wrap comments in @r{}.
1135 * doc/cpp.texi: Likewise.
1136 * doc/cppinternals.texi: Likewise.
1137 * doc/extend.texi: Likewise.
1138 * doc/md.texi: Likewise.
1139 * doc/objc.texi: Likewise.
1140 * doc/sourcebuild.texi: Likewise.
1141 * doc/tm.texi: Likewise.
1144 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1146 * predict.c (apply_return_prediction): Standardize PHI chain
1148 * tree-ssa.c (ssa_redirect_edge): Likewise.
1150 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1151 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1154 * tree-phinodes.c (remove_phi_node): Drop the last argument.
1155 * tree-flow.h: Adjust the prototype for remove_phi_node.
1156 * lambda-code.c (perfect_nestify): Adjust a call to
1159 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1160 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1162 * tree-ssa-dce.c (remove_dead_phis): Likewise.
1163 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1164 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1165 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1167 * combine.c (simplify_and_const_int): Use gen_int_mode instead
1168 of GEN_INT (trunc_int_for_mode (...)).
1169 * loop-iv.c (iv_number_of_iterations): Likewise.
1170 * postreload.c (reload_cse_move2add): Likewise.
1171 * simplify-rtx.c (simplify_const_unary_operation,
1172 simplify_const_binary_operation): Likewise.
1173 * stor-layout.c (get_mode_bounds): Likewise.
1175 * fold-const.c (fold_binary): New.
1176 (fold): Call fold_binary on binary expressions.
1178 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
1180 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1181 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1182 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1183 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1184 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1186 2005-03-04 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 2005-03-04 Devang Patel <dpatel@apple.com>
1194 * doc/invoke.texi: Remove reference to webpage that does not exist.
1196 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
1197 Joseph S. Myers <joseph@codesourcery.com>
1200 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1201 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1202 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1203 * pa.c (get_plabel): Change argument to symbol_ref. Call
1204 maybe_get_identifier instead of get_identifier.
1205 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1206 (struct deferred_plabel): Replace name field with symbol field.
1207 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1208 ASM_OUTPUT_EXTERNAL_REAL is defined.
1209 (output_global_address): Use output_addr_const for output of all
1211 (output_deferred_plabels): Use symbol_ref instead of name for address
1213 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1214 ASM_OUTPUT_SYMBOL_REF): New macros.
1215 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
1217 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1220 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
1222 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1223 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1225 2005-03-04 Jeff Law <law@redhat.com>
1227 * basic-block.h (rediscover_loops_after_threading): Declare.
1228 * tree-ssa-dom.c: Include cfgloop.h.
1229 (tree_ssa_dominator_optimize): Discover loops and some basic
1230 properties. Remove forwarder blocks recreated by loop header
1231 canonicalization. Also mark backedges in the CFG.
1232 * tree-ssa-threadupdate.c: Include cfgloop.h
1233 (rediscover_loops_after_threading): Define.
1234 (struct local_info): New field, JUMP_THREADED.
1235 (prune_undesirable_thread_requests): New function.
1236 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
1237 then record that fact for the callers of redirct_edges.
1238 (thread_block): If BB has incoming backedges, then call
1239 prune_undesirable_thraed_requests. Note when we are
1240 going to have to rediscover loop information. Return a
1241 boolean indicating if any jumps were threaded.
1242 (thread_through_all_blocks): Bubble up boolean indicating
1243 if any jumps were threaded.
1244 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1245 (tree-ssa-threadupdate.o): Similarly.
1247 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1249 * fold-const.c (fold_ternary): Unroll the "for" loop to
1252 2005-03-04 Andrew Haley <aph@redhat.com>
1254 * unwind-dw2-fde-glibc.c (struct
1255 unw_eh_callback_data.check_cache): New field.
1256 (frame_hdr_cache): New.
1257 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1258 Cache frame header info.
1260 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
1262 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1263 (print_c_condition): Declare.
1264 * read-rtl.c (ptr_loc): New structure.
1265 (ptr_locs, ptr_loc_obstack, joined_conditions)
1266 (joined_conditions_obstack): New variables.
1267 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1268 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1269 (join_c_conditions, print_c_condition): New functions.
1270 (apply_macro_to_string): Associate the new string with the same
1271 source location as the old one.
1272 (add_condition_to_string): Use join_c_conditions.
1273 (read_string): Use set_rtx_ptr_loc to record a filename and line
1274 number for the string.
1275 (read_rtx): Initialize the new variables above.
1276 * genattrtab.c (write_test_expr, write_attr_value): Use
1278 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
1279 comment above the GCC_VERSION check.
1280 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1281 Inline the definition of MAYBE_EVAL.
1282 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1283 * genoutput.c (process_template): Likewise.
1284 * genpreds.c (write_predicate_subfunction): Likewise.
1285 (write_predicate_expr): Use print_c_condition.
1286 * genrecog.c (write_cond): Likewise.
1287 * gensupport.c (process_rtx): Use join_c_conditions to join the
1288 conditions of a define_insn_and_split. Record a source location
1289 for the string after the "&&".
1290 (alter_test_for_insn): Use join_c_conditions.
1292 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
1295 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1296 PR tree-optimization/15784
1297 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1300 2005-03-04 Ben Elliston <bje@au.ibm.com>
1302 * gcc.c (option_map): Add --coverage.
1303 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1304 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1305 * config/darwin.h: Pass -lgcov for `coverage'.
1306 * doc/invoke.texi (Debugging Options): Document --coverage.
1308 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1310 * gcse.c (bypass_block): Use find_edge wherever possible.
1312 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
1316 * c-opts.c (c_common_parse_file): Call start_source_file
1317 and end_source_file at the approriate times.
1319 * dwarf2out.c (dwarf2out_finish): Don't auto-end
1320 the main file, it will be done for us now.
1322 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1324 * fold-const.c (fold_ternary): New.
1325 (fold): Call fold_ternary on ternary expressions. Remove
1326 handling of ternary expressions.
1328 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1330 PR tree-optimization/15784
1331 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1334 2005-03-03 David Edelsohn <edelsohn@gnu.org>
1336 * config/rs6000/predicates.md (branch_comparison_operator):
1337 Convert from C block to conditional format.
1339 2005-03-03 Jan Hubicka <jh@suse.cz>
1341 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1342 and non-constant public variables.
1344 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
1346 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1349 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1352 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1353 calls to release_ssa_name and release_phi_node.
1355 * fold-const.c (fold): Remove handling of unary expressions.
1357 * fold-const.c (fold_unary): Avoid directly using the original
1358 expression t as much as possible.
1360 2005-03-03 Roger Sayle <roger@eyesopen.com>
1361 Andrew Pinski <pinskia@physics.uc.edu>
1363 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1364 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1366 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
1368 Describe special registers SRP and MOF as allocatable registers.
1369 * config/cris/cris.c (cris_md_asm_clobbers): New function.
1370 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1371 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1372 TARGET_HAS_MUL_INSNS.
1373 (cris_print_operand) <case 'd'>: New case.
1374 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1375 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1377 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1378 (REG_ALLOC_ORDER): Update for MOF.
1379 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1381 (GENERAL_REGS): No longer a define of ALL_REGS.
1382 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1383 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1385 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1386 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1387 (SECONDARY_RELOAD_CLASS): Define.
1388 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1389 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1390 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1391 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1392 (REGISTER_MOVE_COST): Define.
1393 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1394 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1395 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1396 (CRIS_MOF_REGNUM): New define_constants.
1397 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1399 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1401 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1402 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1403 Adjust for MOF being properly described as a register.
1404 (indir_to_reg_split): Name this split. Conditionalize on the
1405 destination register being a general register.
1406 (movei): Conditionalize on on operands 0 and 1 having the same
1409 2005-03-03 Alan Modra <amodra@bigpond.net.au>
1412 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1413 -mcpu to override any other explicitly given flags.
1415 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
1417 * recog.c (verify_changes, confirm_change_group): New functions,
1418 broken out of apply_change_group.
1419 (apply_change_group): Use them.
1420 * recog.h (verify_change, confirm_change_group): Declare.
1421 * rtl.h (redirect_jump_2): Declare.
1422 * jump.c (redirect_exp, invert_exp): Delete.
1423 (invert_exp_1): Take second parameter. Return value. Changed caller.
1424 (redirect_jump_2): New function, broken out of redirect_jump.
1425 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1426 (invert_jump): Use invert_jump_1 and redirect_jump_2.
1427 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1429 2005-03-02 Geoffrey Keating <geoffk@apple.com>
1431 * varasm.c (named_section): Use xstrdup rather than doing it by
1434 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1436 2005-03-02 Devang Patel <dpatel@apple.com>
1438 Undo PR tree-optimization/18815 fix.
1440 2005-03-02 Devang Patel <dpatel@apple.com>
1442 PR tree-optimization/18815
1443 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1444 loops with zero exit edges.
1446 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1448 * cfg.c (connect_src, connect_dest, disconnect_src,
1449 disconnct_dest): New.
1450 (unchecked_make_edge, remove_edge, redirect_edge_succ,
1451 redirect_edge_pred): Use the new functions.
1453 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1454 free_dominance_info only when needed.
1456 2005-03-02 David Edelsohn <edelsohn@gnu.org>
1459 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1460 (reg_or_sub_cint64_operand): Same.
1462 2005-03-02 Jeff Law <law@redhat.com>
1464 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1465 CFG_ALTERED in the main DOM iteration loop.
1467 2005-03-02 Mark Mitchell <mark@codesourcery.com>
1470 * varasm.c (initializer_constant_valid_p): Allow conversions
1471 between OFFSET_TYPEs. Tidy.
1473 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
1475 * config/cris/cris.md ("return"): Remove epilogue delay list
1478 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
1480 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1482 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1484 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1486 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1487 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1488 config/m68k/m68k.c, config/mips/mips.h,
1489 config/rs6000/rs6000-protos.h, doc/contrib.texi,
1490 doc/include/gcc-common.texi: Update copyright.
1492 PR middle-end/18029 and PR middle-end/18030
1493 * expr.c (optimize_bitfield_assignment_op): Add a special case
1494 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1496 * fold-const.c (fold_unary): New.
1497 (fold): Call fold_unary on unary expressions.
1499 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
1501 * cgraph.h (struct cgraph_edge): Add prev_caller and
1503 (cgraph_node_remove_callees): Export.
1504 * cgraph.c (cgraph_create_edge): Initialize prev_caller
1506 (cgraph_edge_remove_callee): New function.
1507 (cgraph_edge_remove_caller): Likewise.
1508 (cgraph_remove_edge): Use.
1509 (cgraph_redirect_edge_callee): Likewise.
1510 (cgraph_node_remove_callees): New function.
1511 (cgraph_node_remove_callers): Likewise.
1512 (cgraph_remove_node): Use.
1513 * tree-optimize.c (tree_rest_of_compilation): Use
1514 cgraph_node_remove_callees instead of manual loop.
1515 * cgraphunit.c (cgraph_finalize_function): Likewise.
1516 (cgraph_expand_function): Likewise.
1517 (cgraph_remove_unreachable_nodes): Likewise.
1519 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
1522 * c-tree.h (undeclared_variable, build_external_ref): Add extra
1524 * c-decl.c (undeclared_variable): Take location as argument.
1525 * c-typeck.c (build_external_ref): Likewise.
1526 * c-parser.c (c_parser_postfix_expression): Pass location of
1527 identifier to build_external_ref.
1529 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1531 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1532 CCEQ mode for branch_positive_comparison_operator test.
1533 * config/rs6000/predicates (branch_comparison_operator): Revert to
1535 (scc_comparison_operator): Same.
1536 (branch_positive_comparison_operator): Same.
1538 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
1540 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1541 (cris_delay_slots_for_epilogue): Remove.
1542 (save_last): Move into cris_target_asm_function_epilogue.
1543 (cris_target_asm_function_epilogue): Remove tests for file being
1545 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1546 (cris_delay_slots_for_epilogue): Remove prototypes.
1547 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1548 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1550 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1552 * config/rs6000/predicates.md (branch_comparison_operator): Change
1553 to define_special_predicate.
1554 (scc_comparison_operator): Same.
1555 (branch_positive_comparison_operator): Same.
1557 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
1559 * Makefile.in (tree-ssa-sink.o): New.
1560 (OBJS-common): Add tree-ssa-sink.o.
1561 * common.opt: Add -ftree-sink
1562 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1563 * timevar.def (TV_TREE_SINK): new timevar.
1564 * tree-flow.h (is_hidden_global_store): Prototype.
1565 * tree-optimize.c (init_tree_optimization_passes): Add
1567 * tree-pass.h (pass_sink_code): New.
1568 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1569 for non-obvious global store store to is_hidden_global_store, and
1570 call that new function.
1571 * tree-ssa-sink.c: New file.
1572 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1573 * doc/passes.texi: Document forward store motion.
1574 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1575 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1576 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1577 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1579 2005-03-01 Per Bothner <per@bothner.com>
1581 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1582 and we have a non-zero column-number, add it to the message.
1583 Also factor out the diagnostic_kind_text.
1585 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1587 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1588 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1589 flow_loop_scan): Removed.
1590 (flow_loop_dump): Do not dump removed fields.
1591 (flow_loop_free): Do not free removed fields.
1592 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
1593 (loop_exit_edge_p): New function.
1594 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1595 num_pre_header_edges, entry_edges, num_entries, exit_edges,
1596 num_exits, exits_doms.
1597 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1598 LOOP_EDGES, LOOP_ALL): Removed.
1599 (flow_loop_scan): Declaration removed.
1600 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1601 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1603 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1604 (if_convert): Call flow_loops_find and flow_loops_free
1605 when calling mark_loop_exit_edges.
1606 * cfgloopanal.c (mark_loop_exit_edges): Moved from
1607 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
1608 free_dominance_info calls.
1609 * loop-init.c (flow_loops_find): Ditto.
1610 * passes.c (rest_of_handle_branch_prob): Ditto.
1611 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1612 * loop-unroll.c (analyze_insns_in_loop): Do not use
1614 * predict.c (predict_loops): Do not call flow_loop_scan.
1615 Use get_loop_exit_edges.
1616 (tree_estimate_probability): Do not pass flags to flow_loops_find.
1617 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1618 Do not use EDGE_LOOP_EXIT.
1619 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1620 to bb_with_exit_edge_p.
1621 (if_convertible_loop_p): Do not call flow_loop_scan. Use
1622 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
1623 to bb_with_exit_edge_p.
1624 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
1626 * tree-loop-linear.c (linear_transform_loops): Do not call
1627 flow_loop_scan. Use loop->single_exit.
1628 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1629 (vect_analyze_loop_form): Do not call flow_loop_scan.
1630 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1632 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1634 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1635 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1636 slpeel_tree_duplicate_loop_to_edge_cfg,
1637 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1638 Use loop_preheader_edge and loop->single_exit. Do not call
1641 2005-03-01 Nick Clifton <nickc@redhat.com>
1643 * config/arm/arm.c (thumb_find_work_register): Check all of the
1644 argument registers to see if they are free, and a couple of
1645 special cases where the last argument register but can be proved
1646 to be available during the function's prologue.
1647 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1648 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1649 thumb_unexpanded_epilogue): Use unsigned long as the type for the
1651 (thumb_compute_save_reg_mask): Likewise. Also use
1652 thumb_find_work_register() to ensure that there is agreement about
1653 which work register is going to be used in the prologue.
1654 (thumb_output_function_prologue): Use unsigned long as the type
1655 for the register bit-mask. Also delay pushing the link register if
1656 other high registers are going to be pushed.
1657 (thumb_compute_save_reg_mask, emit_multi_reg_push,
1658 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1659 redundant prototypes.
1661 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
1664 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1665 and after reload in REG+REG indexed addresses without REG_POINTER
1666 set in the base and not set in the index.
1668 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1670 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1671 Don't undefine here.
1672 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1673 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1674 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1675 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1676 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1678 * config.gcc (sh*-*-linux*): Use config/linux.h.
1680 2005-02-28 Dale Johannesen <dalej@apple.com>
1681 Stan Shebs <shebs@apple.com>
1683 Rewrite of 64-bit Darwin structure-by-value pass/return.
1684 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1685 intoffset, use_stack, named.
1686 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
1687 (rs6000_darwin64_record_arg_advance_flush): New.
1688 (rs6000_darwin64_record_arg_advance_recurse): New.
1689 (rs6000_darwin64_record_arg_flush): New.
1690 (rs6000_darwin64_record_arg_recurse): New.
1691 (rs6000_darwin64_record_arg): New.
1692 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
1693 (function_arg_boundary): Handle 128-bit aligned structs.
1694 (function_arg_advance): Rewrite darwin64 struct handling.
1695 (function_arg): Call rs6000_darwin64_record_arg.
1696 (function_arg_partial_nregs): Handle darwin64 structs.
1697 (rs6000_darwin64_function_value): Remove.
1698 (rs6000_function_value): Call rs6000_darwin64_record_arg.
1700 2005-02-28 Roger Sayle <roger@eyesopen.com>
1702 PR tree-optimization/20216
1703 * tree-chrec.c (tree_fold_factorial): Delete.
1704 (tree_fold_binomial): Change argument list to take a return type
1705 and change the type of K to unsigned int. Rewrite to avoid explicit
1706 evaluation of factorials, and (recursively) calling fold to perform
1707 compile-time arithmetic. Return NULL on (internal) overflow.
1708 (chrec_evaluate): Change type of K to an unsigned int. Avoid
1709 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
1710 if any intermediate calculation overflows.
1711 (chrec_apply): Update call to chrec_evaluate.
1713 2005-02-28 James E Wilson <wilson@specifixinc.com>
1715 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1717 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
1720 * c-parser.c (c_parser_compound_statement): Return error_mark_node
1721 instead of NULL_TREE on error.
1723 2005-02-28 David Edelsohn <edelsohn@gnu.org>
1725 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1726 (EASY_VECTOR_15_ADD_SELF): Remove.
1727 (num_insns_constant_wide): Not static.
1728 (validate_condition_mode): Not static.
1729 (toc_relative_expr_p): Not static.
1730 (legitimate_indirect_address_p): Not static.
1731 (macho_lo_sum_memory_operand): Not static.
1732 (invalid_e500_subreg): Not static.
1733 (easy_vector_same): Not static.
1734 (easy_vector_splat_const): Not static.
1735 (RS6000_SYMBOL_REF_TLS_P): Remove.
1736 (any_operand): Delete.
1737 (any_parallel_operand): Delete.
1738 (count_register_operand): Delete.
1739 (altivec_register_operand): Delete.
1740 (xer_operand): Delete.
1741 (s8bit_cint_operand): Delete.
1742 (short_cint_operand): Delete.
1743 (u_short_cint_operand): Delete.
1744 (non_short_cint_operand): Delete.
1745 (exact_log2_cint_operand): Delete.
1746 (gpc_reg_operand): Delete.
1747 (cc_reg_operand): Delete.
1748 (cc_reg_not_cr0_operand): Delete.
1749 (reg_or_short_operand): Delete.
1750 (reg_or_neg_short_operand): Delete.
1751 (reg_or_aligned_short_operand): Delete.
1752 (reg_or_u_short_operand): Delete.
1753 (reg_or_cint_operand): Delete.
1754 (reg_or_arith_cint_operand): Delete.
1755 (reg_or_add_cint64_operand): Delete.
1756 (reg_or_sub_cint64_operand): Delete.
1757 (reg_or_logical_cint_operand): Delete.
1758 (got_operand): Delete.
1759 (got_no_const_operand): Delete.
1760 (easy_fp_constant): Delete.
1761 (easy_vector_constant): Delete.
1762 (easy_vector_constant_add_self): Delete.
1763 (zero_constant): Delete.
1764 (zero_fp_constant): Delete.
1765 (volatile_mem_operand): Delete.
1766 (offsettable_mem_operand): Delete.
1767 (mem_or_easy_const_operand): Delete.
1768 (add_operand): Delete.
1769 (non_add_cint_operand): Delete.
1770 (logical_operand): Delete.
1771 (non_logical_cint_operand): Delete.
1772 (mask_operand): Delete.
1773 (mask_operand_wrap): Delete.
1774 (mask64_operand): Delete.
1775 (mask64_2_operand): Delete.
1776 (and64_operand): Delete.
1777 (and64_2_operand): Delete.
1778 (and_operand): Delete.
1779 (reg_or_mem_operand): Delete.
1780 (lwa_operand): Delete.
1781 (symbol_ref_operand): Delete.
1782 (call_operand): Delete.
1783 (current_file_function_operand): Delete.
1784 (input_operand): Delete.
1785 (rs6000_nonimmediate_operand): Delete.
1786 (rs6000_tls_symbol_ref): Delete.
1787 (save_world_operation): Delete.
1788 (restore_world_operation): Delete.
1789 (load_multiple_operation): Delete.
1790 (store_multiple_operation): Delete.
1791 (vrsave_operation): Delete.
1792 (mfcr_operation): Delete.
1793 (mtcrf_operation): Delete.
1794 (lmw_operation): Delete.
1795 (stmw_operation): Delete.
1796 (branch_comparison_operator): Delete.
1797 (branch_positive_comparison_operator): Delete.
1798 (scc_comparison_operator): Delete.
1799 (trap_comparison_operator): Delete.
1800 (boolean_operator): Delete.
1801 (boolean_or_operator): Delete.
1802 (min_max_operator): Delete.
1803 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1804 (EASY_VECTOR_15): Moved to here.
1805 (EASY_VECTOR_15_ADD_SELF): Move to here.
1806 (PREDICATE_CODES): Delete.
1807 * config/rs6000/rs6000-protos.h: Delete predicate functions.
1808 Declare functions no longer static.
1809 * config/rs6000/predicates.md: New.
1810 * config/rs6000/rs6000.md: Include predicates.md
1812 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
1814 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
1815 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1817 * cfgrtl.c (need_fake_edge_p): Likewise.
1818 * combine.c (distribute_notes): Likewise.
1819 * emit-rtl.c (try_split): Likewise.
1820 * recog.c (peephole2_opimize): Likewise.
1821 * reg-notes.def (ALWAYS_RETURN): Remove.
1822 * rtl.h (LCT_ALWAYS_RETURN): Remove.
1823 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1824 * tree.h (ECF_ALWAYS_RETURN): Remove.
1826 2005-02-28 Roger Sayle <roger@eyesopen.com>
1829 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1830 between different machine modes is never a "useless" conversion.
1832 2005-02-28 Geert Bosch <bosch@gnat.com>
1835 * doc/contrib.texi: List contributors for Ada front end
1837 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1839 * simplify-rtx.c (simplify_unary_operation_1,
1840 simplify_const_unary_operation): New, extracted from...
1841 (simplify_unary_operation): ... this one.
1842 (simplify_binary_operation_1,
1843 simplify_const_binary_operation): New, extracted from...
1844 (simplify_binary_operation): ... this one.
1845 * rtl.h (simplify_const_unary_operation,
1846 simplify_const_binary_operation): Add prototypes.
1848 2005-02-28 Julian Brown <julian@codesourcery.com>
1850 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1851 building libjava and caused PR regression/20228.
1853 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1856 * Makefile.in (host_subdir): New.
1857 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
1858 * configure: Regenerate.
1860 2005-02-27 Zack Weinberg <zack@codesourcery.com>
1862 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1863 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1864 installation directory first.
1866 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
1869 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1870 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1871 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1872 * config/cris/cris.md: Tweak comments referring to Q.
1873 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1874 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1875 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1876 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1877 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1878 Insert spaces in constraints to align alternatives vertically for
1880 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
1883 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1885 PR rtl-optimization/17728
1886 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1887 operand 0 from general_operand to move_dest_operand.
1889 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1891 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1892 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1893 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1894 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1896 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
1898 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1899 * configure: Regenerate.
1900 * libada-mk.in: Remove CC; rename
1901 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1903 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
1906 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1907 for the lhs, also walk over the tree. Likewise for rhs.
1909 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1911 * tree-ssa-dom.c (simple_iv_increment_p): New function.
1912 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1913 Do not propagate value of iv before increment over the increment.
1915 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
1917 * c-parser.c: New file.
1918 * c-parse.in: Remove.
1919 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1921 (c-parser.o): Add dependencies.
1922 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1923 maintainer-clean, TAGS): Update.
1924 * c-config-lang.in (gtfiles): Update.
1925 * gengtype-lex.l: Don't handle "@@".
1926 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1927 objc_build_synchronized, objc_begin_try_stmt,
1928 objc_begin_catch_clause, objc_finish_catch_clause,
1929 objc_build_finally_clause, objc_finish_try_stmt): New.
1930 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1932 (c_parse_init): Update comment.
1933 * c-decl.c (c_init_decl_processing): Update comment.
1934 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1935 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1936 new c_declspecs members.
1938 2005-02-25 Julian Brown <julian@codesourcery.com>
1940 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1941 from being used for symbols with vague linkage when
1942 HAVE_GAS_COMDAT_GROUP is true.
1944 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1946 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1948 2005-02-25 Steve Ellcey <sje@cup.hp.com>
1951 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1952 (LIBGCC2_HAS_DF_MODE): New.
1953 (LIBGCC2_HAS_XF_MODE): New.
1954 (LIBGCC2_HAS_TF_MODE): New.
1955 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1956 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1957 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1958 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1959 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1960 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1961 and add _fixtfdi, _fixunstfdi, _floatditf
1962 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1963 L_fixunstfdi, L_floatditf.
1964 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1965 (LIBGCC2_HAS_TF_MODE): Define.
1967 2005-02-25 Diego Novillo <dnovillo@redhat.com>
1969 PR tree-optimization/20204
1970 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1971 REWRITE_THIS_STMT markers on PHI nodes.
1972 (rewrite_initialize_block): Likewise.
1974 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1976 * version.c (version_string): Update to 4.1.
1978 2005-02-25 Paolo Carlini <pcarlini@suse.de>
1980 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1981 Clarify that the alternative way doesn't work in GNU C++.
1983 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
1985 PR tree-optimization/19937
1986 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1987 to the type of the induction variable.
1989 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
1991 PR rtl-optimization/20117
1992 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1993 the block including noncopyable insn.
1995 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1997 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1998 calls to find_reg_note.
2000 2005-02-24 Richard Henderson <rth@redhat.com>
2003 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2006 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
2008 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2009 vector types if to use base reg for misaligned non-word ld/std.
2011 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2014 * config/cris/cris.c (cris_target_asm_function_prologue): Create
2015 dwarf2 label manually and put it after, not before the prologue.
2017 2005-02-24 David Edelsohn <edelsohn@gnu.org>
2020 * reload.c (operands_match_p): Only increment register number for
2021 SCALAR_INT_MODE_P modes in multiple hard registers.
2023 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2026 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2028 * ChangeLog.5: Fix log message typo(s).
2029 * ChangeLog.7: Likewise.
2030 * ChangeLog.tree-ssa: Likewise.
2031 * cfgexpand.c: Fix comment typo(s).
2032 * conflict.c: Likewise.
2033 * defaults.h: Likewise.
2034 * dwarf2out.c: Likewise.
2036 * ggc-page.c: Likewise.
2037 * tree-eh.c: Likewise.
2038 * tree-ssa-dom.c: Likewise.
2040 2005-02-24 Jakub Jelinek <jakub@redhat.com>
2043 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2044 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2045 if SHARED is defined.
2048 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2049 allow splitting only if operands 0 and 3 don't overlap.
2051 2005-02-24 Richard Henderson <rth@redhat.com>
2054 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2055 (fold_builtin_1): Call them.
2056 * fold-const.c (fold_complex_mult_parts): Split out from ...
2057 (fold_complex_mult): ... here. Fix typo in both imaginary case.
2058 (fold_complex_div_parts, fold_complex_div): New.
2060 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2062 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2064 * tree-ssa-ccp.c (visit_assignment): Verify that result of
2065 VIEW_CONVERT_EXPR is_gimple_min_invariant.
2067 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2068 (print_node): Likewise.
2069 Print TYPE_SIZES_GIMPLIFIED.
2071 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2073 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2074 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2075 operands as commutative in constraints.
2077 2005-02-24 Diego Novillo <dnovillo@redhat.com>
2079 * tree-into-ssa.c: Re-organize internal functions.
2081 2005-02-24 Richard Henderson <rth@redhat.com>
2084 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2086 * common.opt (fcx-limited-range): New.
2087 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2088 * toplev.c (flag_complex_method): Initialize to 1.
2089 (process_options): Set flag_complex_method to 0 if
2090 flag_cx_limited_range.
2091 * doc/invoke.texi (-fcx-limited-range): New.
2093 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
2095 * cse.c (delete_trivially_dead_insns): Speed up by using
2096 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2099 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
2101 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2102 functions when -mid-shared-library is being used.
2104 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2106 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2107 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2108 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2109 * system.h: Poison LINK_LIBGCC_SPECIAL.
2111 2005-02-23 James E Wilson <wilson@specifixinc.com>
2113 * gengtype.c (note_insn_name): Make 1 element larger.
2115 2005-02-23 Roger Sayle <roger@eyesopen.com>
2118 PR rtl-optimization/20097
2119 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2120 BImode SUBREGs of SImode registers which confuse the ia64 backend.
2122 2005-02-23 David Edelsohn <edelsohn@gnu.org>
2124 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2125 * t-aix52 (SHLIB_INSTALL): Same.
2127 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
2129 * genpreds.c: Update copyright.
2131 2005-02-23 Michael Beach <michaelb@ieee.org>
2134 * config/sparc/t-elf (startup files): Assemble with CPP.
2136 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
2138 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2139 (write_predicate_expr): Likewise.
2141 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2143 PR tree-optimization/20100
2144 PR tree-optimization/20115
2145 * tree-optimize.c (init_tree_optimization_passes): Remove
2146 pass_maybe_create_global_var.
2147 * tree-pass.h (pass_maybe_create_global_var): Remove.
2148 * tree-ssa-alias.c (aliases_computed_p): Declare.
2149 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2150 (count_calls_and_maybe_create_global_var): Remove.
2151 (pass_maybe_create_global_var): Remove.
2152 (init_alias_info): Do not declare aliases_computed_p.
2153 (maybe_create_global_var): If the function contains no
2154 call-clobbered variables and a mix of pure/const and regular
2155 function calls, create .GLOBAL_VAR.
2156 Mark all call-clobbered variables for renaming.
2157 (merge_pointed_to_info): Update comment.
2158 (add_pointed_to_var): Likewise.
2159 (is_escape_site): Likewise.
2160 Accept struct alias_info * instead of size_t *.
2162 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2164 * tree-ssa-operands.c (get_call_expr_operands): If
2165 ALIASES_COMPUTED_P is false, do not add call-clobbering
2167 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2168 (delete_tree_ssa): Likewise.
2170 2005-02-22 James E Wilson <wilson@specifixinc.com>
2172 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2173 (do_compile): Do call it here.
2175 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2177 PR rtl-optimization/20017.
2178 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2179 rest_of_handle_cse2, rest_of_handle_gcse): Call
2180 delete_dead_jumptables immediately before calling cleanup_cfg.
2182 2005-02-22 Devang Patel <dpatel@apple.com>
2185 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2188 2005-02-22 David Edelsohn <edelsohn@gnu.org>
2190 * config/rs6000/aix.h (WINT_TYPE): Define.
2192 2005-02-22 Stan Shebs <shebs@apple.com>
2194 * config/rs6000/rs6000.c (rs6000_override_options): Default to
2195 natural alignment for 64-bit Darwin.
2196 (rs6000_parse_alignment_option): Warn about uses of -malign-power
2198 * doc/invoke.texi: Document this.
2200 2005-02-22 DJ Delorie <dj@redhat.com>
2202 * c-common.c (c_common_type_for_mode): Pass the mode's precision
2203 to make_[un]signed_type, not the mode itself.
2205 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2207 * cfg.c (cached_make_edge): Call make_edge if edge cache is
2208 not available. Use tail calls wherever possible.
2209 (make_edge): Call unchecked_make_edge to create an edge.
2211 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2212 (coalesce_ssa_name): Don't check for
2213 SSANORM_USE_COALESCE_LIST.
2214 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2216 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2218 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2219 (rewrite_into_ssa): ... here.
2221 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
2223 PR tree-optimization/19786
2224 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2225 tag to another's may-alias bitmap when adding to the other's list.
2227 2005-02-21 DJ Delorie <dj@redhat.com>
2229 * tree-ssa-loop-ivopts.c (computation_cost): Start register
2230 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2231 registers in unsupported ways.
2232 * expmed.c (init_expmed): Likewise.
2234 2005-02-21 Stan Cox <scox@redhat.com>
2236 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2238 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2240 * tree-cfg.c (fold_cond_expr_cond): New.
2241 (make_edges): Call fold_cond_expr_cond.
2242 (find_taken_edge): Accept nothing but INTEGER_CST.
2243 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2245 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2247 * flow.c (delete_dead_jumptables): Speed up by scanning insns
2248 that do not belong to any basic block.
2250 2005-02-21 Jeff Law <law@redhat.com>
2252 * cfganal.c (find_unreachable_blocks): Manually CSE load of
2255 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2257 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2258 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2259 Adjust their definitions.
2260 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2261 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2263 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2264 genautomata.c, langhooks.c, langhooks.h, system.h,
2265 config/arm/lib1funcs.asm: Update copyright.
2267 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2269 * dbxout.c (dbxout_function_end): Emit Lscope label always.
2271 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
2274 * doc/install.texi: Document --with-gc.
2276 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
2278 * simplify-rtx.c (simplify_unary_operation): Add a missing
2281 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2283 PR tree-optimization/18663
2284 * tree-ssa-dom.c (extract_range_from_cond): Return 0
2285 if the type has variable bounds.
2287 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
2289 * gcse.c: Remove an obsolete comment.
2291 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2293 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
2295 * doc/extend.texi (Function Attributes) <Attribute const>: The
2296 attribute "pure" is below this text, not above.
2298 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2300 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2301 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2302 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2304 2005-02-20 Zack Weinberg <zack@codesourcery.com>
2307 * langhooks.h (struct lang_hooks): Add to_target_charset.
2308 * langhooks.c (lhd_to_target_charset): New function.
2309 * langhooks-def.h: Declare lhd_to_target_charset.
2310 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2311 (LANG_HOOKS_INITIALIZER): Update.
2312 * c-common.c (c_common_to_target_charset): New function.
2313 * c-common.h: Declare it.
2314 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2315 c_common_to_target_charset.
2317 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2318 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2320 * system.h: Poison them.
2321 * doc/tm.texi: Don't discuss them.
2322 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2323 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2324 (pp_c_char): Do not attempt to generate letter escapes for
2326 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2327 * config/mips/mips.c (mips_output_ascii): Likewise.
2329 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
2331 PR tree-optimization/19951
2332 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2335 2005-02-19 Steven Bosscher <stevenb@suse.de>
2338 * function.h (struct function): New field `max_loop_depth'.
2339 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2340 (flow_loops_find): Reset the max loop depth count before finding loops.
2341 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2342 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2343 (calculate_global_regs_live): Make sure the loop will terminate
2344 when the initial sets are not empty.
2346 2005-02-19 Zack Weinberg <zack@codesourcery.com>
2348 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2350 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2352 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
2355 * doc/invoke.texi: Remove documentation of %M spec.
2357 (init_spec): Remove %M suffix from -lgcc_s.
2358 (do_spec_1): Remove 'M' case.
2359 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
2360 to put shared libraries in the multilib directory. Remove the
2361 shlib_so_soname substitution variable. Don't add a multilib encoding
2362 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
2363 reported by -print-multi-os-directory. Pass @multilib_dir@ to
2364 SHLIB_INSTALL as well as SHLIB_LINK.
2365 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2366 (SHLIB_NAME): Delete.
2367 (SHLIB_DIR): New macro.
2368 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2369 (SHLIB_INSTALL): Adjust accordingly.
2370 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2371 * config/t-slibgcc-sld: Likewise.
2372 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2373 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2374 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2376 (SHLIBUNWIND_INSTALL): Adjust accordingly.
2377 * config/i386/t-nwld (SHLIB_SONAME): Delete.
2378 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2379 Use @shlib_base_name@ instead of @shlib_so_name@.
2380 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2381 and @shlib_base_name@.so in @multilib_dir@.
2382 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
2383 to the install path.
2384 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2385 (SHLIB_LINK): Remove previous workaround.
2386 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2387 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2388 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
2390 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2391 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
2392 (SHLIB_INSTALL): Adjust accordingly.
2393 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2394 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2395 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2396 config/t-slibgcc-elf-ver.
2398 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
2399 Jakub Jelinek <jakub@redhat.com>
2401 PR tree-optimization/19828
2402 * tree-ssa-loop-im.c: Add a TODO comment.
2403 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2404 without side-effects.
2406 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2408 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2411 2005-02-18 James E. Wilson <wilson@specifixinc.com>
2413 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2414 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2415 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2417 (ia64_reorg): Delete fixup_errata call.
2418 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2419 (TARGET_SWITCHES): Delete -mb-step entry.
2421 2005-02-19 Jakub Jelinek <jakub@redhat.com>
2424 * c-typeck.c (composite_type): Handle quals in transparent unions.
2425 (type_lists_compatible_p): Likewise.
2427 2005-02-18 Stan Shebs <shebs@apple.com>
2429 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2430 expressions in the .literal8 section.
2432 2005-02-18 Geoffrey Keating <geoffk@apple.com>
2434 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2436 2005-02-18 Roger Sayle <roger@eyesopen.com>
2438 * fold-const.c (constant_boolean_node): Always create values of the
2439 specified type, don't bother calling truthvalue_conversion.
2441 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2443 * except.c (output_function_exception_table): Call
2444 assemble_external_libcall (eh_personality_libfunc).
2446 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2449 * config/ia64/ia64.h (struct machine_function): Add state_num.
2450 * config/ia64/ia64.c (process_epilogue,
2451 process_for_unwind_directive): Use new unwind state numbers each
2452 time rather than state 1.
2454 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
2457 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2458 before the "*llgt_didi" pattern.
2460 2005-02-18 Jason Merrill <jason@redhat.com>
2462 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2464 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
2466 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2467 (div0): Use it in place of ARM_FUNC_ALIAS.
2468 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2470 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2473 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2474 access, the lower bound of the array type if it exists.
2476 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
2479 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2480 cases that are out-of-range for the index type.
2482 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2484 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2485 (estimate_case_costs): Don't call convert.
2486 * expmed.c (expand_shift): Likewise.
2487 (make_tree): Call fold_convert instead of convert.
2489 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2492 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2493 that ref to be marked MEM_READONLY_P doesn't have base that needs
2496 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2498 * genautomata.c (output_get_cpu_unit_code_func,
2499 output_cpu_unit_reservation_p): Don't generate old-style function
2502 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2505 PR tree-optimization/20009
2506 * convert.c (convert_to_integer): Revert 2005-02-16 change.
2508 PR tree-optimization/18947
2509 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2510 inline, remove all nodes that are inlined into the extern inline
2513 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2515 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2516 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2517 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2518 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2521 2005-02-17 Roger Sayle <roger@eyesopen.com>
2523 PR tree-optimization/19917
2524 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2525 to be potentially trapping.
2527 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2529 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2531 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
2533 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2534 tem becomes a local variable which is set to the value of the
2535 back end defined INITIAL_FRAME_ADDRESS macro.
2536 (expand_builtin_frame_address): Omit the base parameter to
2537 expand_builtin_return_addr.
2538 (expand_builtin_profile_func): Likewise.
2539 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2540 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2541 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2543 2005-02-17 Jakub Jelinek <jakub@redhat.com>
2545 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2546 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2547 * config/frv/frv.c (frv_function_epilogue): Likewise.
2549 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
2551 * lambda-code (perfect_nestify): Remove mark/unmark
2553 * tree-loop-linear.c (linear_transform_loops): Add
2554 rewrite_into_ssa call so that ssa is correct for
2555 rewriting into loop closed.
2557 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
2559 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2560 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2562 * bt-load.c (btr_def_live_range, combine_btr_defs,
2563 migrate_btr_def, migrate_btr_defs): Likewise.
2564 * cfgcleanup.c (thread_jump): Likewise.
2565 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2566 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2567 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2568 df_rd_local_compute, df_reg_info_compute): Likewise.
2569 * dominance.c (init_dom_info, free_dom_info): Likewise.
2570 * flow.c (init_propagate_block_info,
2571 free_propagate_block_info): Likewise.
2572 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2573 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2574 modify_reg_pav): Likewise.
2575 * loop-invariant.c (find_defs, find_invariant_insn,
2576 find_invariants, free_inv_motion_data): Likewise.
2577 * predict.c (tree_predict_by_opcode,
2578 estimate_bb_frequencies): Likewise.
2579 * stmt.c (expand_case): Likewise.
2580 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2581 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2582 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2583 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2584 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2585 rewrite_ssa_into_ssa): Likewise.
2586 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2587 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2588 analyze_edges_for_bb, perform_edge_inserts): Likewise.
2589 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2590 * tree-sra.c (tree_sra): Likewise.
2591 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2592 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2593 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2594 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2595 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2596 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2598 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2599 calculate_live_on_entry, calculate_live_on_exit,
2600 build_tree_conflict_graph): Likewise.
2601 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2602 record_important_candidates, set_use_iv_cost, find_depends,
2603 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2604 tree_ssa_iv_optimize_finalize): Likewise.
2605 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2606 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2607 tree_duplicate_loop_to_header_edge): Likewise.
2608 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2609 * tree-ssa.c (verify_flow_insensitive_alias_info,
2610 verify_name_tags, verify_ssa, init_tree_ssa,
2611 delete_tree_ssa): Likewise.
2612 * tree-ssanames.c (marked_ssa_names, init_ssanames,
2613 fini_ssanames): Likewise.
2614 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2616 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
2618 * config/rs6000/t-rtems: Completely reworked.
2620 2005-02-17 Ira Rosen <irar@il.ibm.com>
2622 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2624 2005-02-17 Ira Rosen <irar@il.ibm.com>
2626 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2627 POINTER_TYPE_P when checking that type is a pointer.
2628 (vect_get_memtag): Remove.
2629 (vect_address_analysis): Use POINTER_TYPE_P. Call
2630 vect_object_analysis with dummy parameter for memtag.
2631 (vect_object_analysis): Extract memtag (functionality that
2632 used to be in vect_get_memtag and moved here). Fix printings.
2633 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2634 with correct parameters. Remove call to vect_get_memtag.
2636 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
2638 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2639 (tree-vectorizer.o): Added missing dependencies.
2641 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2643 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2644 declaration in tree-vectorizer.c, now has an extern declaration in
2646 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2647 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2648 get_vectype_for_scalar_type, vect_is_simple_use,
2649 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2650 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2651 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2652 vectorizable_store, vectorizable_operation, vectorizable_assignment,
2653 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2654 find_loop_location): Likewise.
2656 * tree-vectorizer.c (langhooks.h): #include removed.
2657 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2658 moved to tree-vectorized.h.
2659 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2660 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2661 get_vectype_for_scalar_type, vect_is_simple_use,
2662 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2663 vect_supportable_dr_alignment, new_loop_vec_info,
2664 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2665 vect_set_verbosity_level, find_loop_location): Likewise.
2667 (vect_analyze_loop): Function externalized. Declaration moved to
2668 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2669 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2670 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2671 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2672 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2673 vect_enhance_data_refs_alignment, vect_analyze_operations,
2674 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2675 vect_stmt_relevant_p, vect_get_loop_niters,
2676 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2677 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2678 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2679 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2680 vect_get_memtag): Likewise.
2682 (vectorizable_load): Function externalized. Declaration moved to
2683 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2684 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2685 vect_transform_loop): Likewise.
2686 (vect_transform_stmt): Moved to tree-vect-transform.c.
2687 (vect_align_data_ref, vect_create_destination_var,
2688 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2689 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2690 vect_get_vec_def_for_operand, vect_init_vector,
2691 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2692 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2693 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2694 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2695 vect_do_peeling_for_loop_bound): Likewise.
2697 * tree-vect-analyze.c: New file.
2698 * tree-vect-transform.c: New file.
2700 2005-02-17 Jason Merrill <jason@redhat.com>
2702 PR mudflap/19319, c++/19317
2703 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2706 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
2708 * doc/install.texi (Specific): Update link for Darwin-specific
2711 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
2713 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2714 constant_boolean_node.
2716 2005-02-16 David Edelsohn <edelsohn@gnu.org>
2719 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2720 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2722 2005-02-16 Richard Henderson <rth@redhat.com>
2725 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2727 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2728 replace uses with Wtype_MAXp1_F.
2729 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2730 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2731 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2732 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2733 and HAVE_TFMODE as appropriate.
2734 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2735 (__floatdisf): Likewise.
2736 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2737 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2738 (Wtype_MAXp1_F): New.
2739 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2740 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2742 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
2745 * arm.c (arm_apply_result_size): New function.
2746 * arm.h (APPLY_RESULT_SIZE): Define.
2747 * arm-protos.h (arm_apply_result_size): Add prototype.
2748 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2749 (movxf): New expand.
2750 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2751 (call_value_symbol): Remove predicate for operand 0.
2752 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2753 (untyped_call): Rework to correclty return values for any type.
2754 (untyped_return): New expand.
2755 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2757 2005-02-16 Stan Shebs <shebs@apple.com>
2759 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2760 * config/rs6000/t-darwin8: New, for 64-bit multilib.
2762 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2764 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2765 configure settings on Solaris 7 and later.
2767 2005-02-16 Diego Novillo <dnovillo@redhat.com>
2769 PR tree-optimization/19865
2770 * tree-optimize.c (init_tree_optimization_passes): Run
2771 pass_may_alias after pass_sra.
2773 2005-02-16 Richard Henderson <rth@redhat.com>
2774 Stuart Hastings <stuart@apple.com>
2777 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2778 Do nothing if debug info suppressed for this function.
2779 (dbxout_begin_function): Early exit if debug info suppressed for
2782 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
2785 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2787 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2789 PR tree-optimization/19967
2790 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2791 expand_builtin_strchr, expand_builtin_strrchr): Take a new
2792 argument TYPE. Adjust calls to fold_builtin_XXX.
2793 (expand_builtin, fold_builtin_1): Adjust calls to
2795 (fold_builtin_strchr, fold_builtin_strpbrk,
2796 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2797 result to a requested type TYPE.
2799 2005-02-16 Jakub Jelinek <jakub@redhat.com>
2802 * fold-const.c (fold): Don't optimize (T)(x & cst) to
2803 (T)x & (T)cst if (T)cst overflows.
2804 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2805 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2807 2005-02-15 Jeff Law <law@redhat.com>
2809 * gcse.c (blocks_with_calls): New bitmap.
2810 (alloc_gcse_mem): Allocate it.
2811 (free_gcse_mem): Free it.
2812 (clear_modifY_mem_tables): Clear it.
2813 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2814 when we encounter CALL_INSNs.
2815 (compute_transp, case MEM): Handle blocks with calls separate
2816 from blocks without calls. Use bitmap iterators rather than
2819 2005-02-15 Peter O'Gorman <peter@pogma.com>
2822 * mklibgcc.in (vis_hide): Use a temporary object file, not
2825 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
2828 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2829 access optimization.
2831 2005-02-15 David Edelsohn <edelsohn@gnu.org>
2832 Alan Modra <amodra@bigpond.net.au>
2835 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2836 (_xlqsub): Rename to __gcc_qsub.
2837 (_xlqmul): Rename to __gcc_qmul.
2838 (_xlqdiv): Rename to __gcc_qdiv.
2839 Provide versioned symbol aliases with old names.
2840 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2841 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2842 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2843 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2844 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2846 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2848 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
2849 Fold ~(A - 1) and ~(A + -1) to -A.
2851 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2855 * config/host-linux.c (linux_gt_pch_use_address): Copy from
2856 config/pa/pa-host.c:pa_gt_pch_use_address.
2858 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
2860 * tree-vn.c (get_value_handle): Make sure that given an
2861 is_gimple_min_invariant expression, we always return it.
2863 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2865 * passes.c (rest_of_handle_gcse): Fix a comment.
2867 2005-02-15 Jeff Law <law@redhat.com>
2869 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2871 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2872 (canon_list_insert, record_last_mem_set_info): Similarly.
2873 (clear_modify_mem_tables): Similarly.
2875 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2877 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2878 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2879 config/mips/mips.md, config/rs6000/aix.h,
2880 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2882 2005-02-15 Richard Henderson <rth@redhat.com>
2884 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2885 call to be best_edge.
2887 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2889 * basic-block.h: Adjust the prototype for find_basic_blocks.
2890 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2891 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2894 * flow.c (recompute_reg_usage): Remove all arguments.
2895 * passes.c (rest_of_compilation): Adjust the call to
2896 recompute_reg_usage.
2897 * rtl.h: Adjust the prototype for recompute_reg_usage.
2899 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
2901 * tree-dump.c (dump_files): Update to reflect new member
2903 (dump_register): Add new argument.
2905 (dump_switch_p_1): Check against glob name if doglob was passed.
2906 (dump_switch_p): Check against regular first, then glob if
2907 we didn't have any hits on the dump name.
2908 * tree-optimize.c (register_one_dump_file):
2909 Pass in glob name as well.
2910 * tree-pass.h (struct dump_file_info): Add glob
2913 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
2915 PR preprocessor/16323
2916 * doc/invoke.texi: Document that -Wendif-labels is on by default.
2918 2005-02-14 David Edelsohn <edelsohn@gnu.org>
2921 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2922 (trunctfdf2_internal1): New.
2923 (trunctfdf2_internal2): Renamed from trunctfdf2.
2925 2005-02-14 Diego Novillo <dnovillo@redhat.com>
2927 PR tree-optimization/19853
2928 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2930 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2932 * passes.c (rest_of_handle_loop_optimize): Remove calls to
2933 delete_dead_jumptables and cleanup_cfg.
2935 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
2937 * reload.c (find_reloads): Swap address_reloaded flags when
2938 swapping commutative operands.
2940 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
2942 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2943 Use standard_iv_increment_position for computing the bsi position
2945 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2948 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2951 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2952 life range of hard registers.
2953 * value-prof.c (insn_prefetch_values_to_profile): Only
2956 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2957 profile in libcalls.
2959 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
2961 * bitmap.h (bitmap_and_compl_into): Return bool.
2962 * bitmap.c (bitmap_and_compl_into): Return changed flag.
2964 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2966 PR tree-optimization/19944
2967 * fold-const.c (fold): Re-add ABS_EXPR folding.
2969 2005-02-13 David Edelsohn <edelsohn@gnu.org>
2972 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2973 {TARGET,MASK}_XL_COMPAT.
2974 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
2976 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2977 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2979 (rs6000_arg_partial_bytes): Same.
2980 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2981 and XL compatibility enabled.
2982 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2983 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2984 test to final condition.
2985 (cmptf_internal2): New.
2986 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2987 xl-compat. Add TFmode information to description.
2989 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
2991 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2993 2005-02-13 Jason Merrill <jason@redhat.com>
2996 * fold-const.c (fold_indirect_ref_1): Split out from...
2997 (build_fold_indirect_ref): Here.
2998 (fold_indirect_ref): New fn.
2999 * tree.h: Declare it.
3000 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3001 (gimplify_modify_expr_rhs): Likewise.
3002 (gimplify_expr): Likewise.
3004 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
3006 PR tree-optimization/14303
3007 PR tree-optimization/15784
3008 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3009 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
3010 ABS_EXPR<x> != 0 to x != 0.
3012 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
3014 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3015 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
3016 spelling conventions.
3018 * passes.c (rest_of_handle_gcse): Don't run cse_main and
3019 delete_trivially_dead_insns too many times.
3021 * passes.c (rest_of_handle_gcse): Remove dead assignments to
3024 2005-02-12 Ira Rosen <irar@il.ibm.com>
3026 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3027 (vect_is_simple_iv_evolution): Remove redundant parameter
3029 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3030 without last parameter.
3031 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3032 Return pointer step. Call vect_is_simple_iv_evolution without
3033 last parameter. Check only that the step is multiple of size
3034 type. Remove stmt_vinfo updates.
3035 (vect_get_memtag_and_dr): Remove.
3036 (vect_get_memtag): New function.
3037 (vect_address_analysis): New function.
3038 (vect_object_analysis): New function.
3039 (vect_analyze_data_refs): Call vect_object_analysis and
3040 vect_get_memtag. Update stmt_vinfo fields.
3042 2005-02-12 Ira Rosen <irar@il.ibm.com>
3044 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3045 exist and are objects. Remove checks for pointer.
3046 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3047 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3048 (vect_create_data_ref_ptr): Likewise.
3049 (vect_base_addr_differ_p): New function.
3050 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3051 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3052 Don't set the DR_BASE_NAME field of data-ref.
3053 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3055 2005-02-12 Uros Bizjak <uros@kss-loka.si>
3057 * optabs.h (enum optab_index): Add new OTI_ldexp.
3058 (ldexp_optab): Define corresponding macro.
3059 * optabs.c (init_optabs): Initialize ldexp_optab.
3060 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3062 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3064 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3065 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3067 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3068 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3071 2005-02-12 Ira Rosen <irar@il.ibm.com>
3073 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3075 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3077 (vect_get_base_and_offset): Always return an address.
3078 (vect_create_addr_base_for_vector_ref): Remove treatment for
3079 different data reference types.
3080 (vect_compute_data_ref_alignment): Rename base to base_address in
3081 stmt_vec_info. Get the object in order to force its alignment.
3082 (vect_get_memtag_and_dr): Rename base to base_address in
3083 stmt_vec_info. Extract the object for memtag analysis.
3085 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
3087 PR regression/19898.
3088 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3089 changes cc_status, use apply modified_in_p to part of cc_status
3090 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3093 2005-02-11 Richard Henderson <rth@redhat.com>
3095 * tree-complex.c (expand_complex_libcall): New.
3096 (expand_complex_multiplication): Use it for c99 compliance.
3097 (expand_complex_division): Likewise.
3098 * fold-const.c (fold_complex_add, fold_complex_mult): New.
3100 * builtins.c (built_in_names): Remove const.
3101 * tree.c (build_common_builtin_nodes): Build complex arithmetic
3103 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3104 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3105 (built_in_names): Remove const.
3106 * c-common.c (c_common_type_for_mode): Handle complex modes.
3107 * flags.h, toplev.c (flag_complex_method): Rename from
3108 flag_complex_divide_method.
3109 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3110 __mulsc3, __muldc3, __mulxc3, __multc3): New.
3111 * libgcc2.h: Declare them.
3112 * libgcc-std.ver: Export them.
3113 * mklibgcc.in (lib2funcs): Build them.
3115 2005-02-11 Steven Bosscher <stevenb@suse.de>
3117 PR tree-optimization/19876
3118 Partially revert my change from 2005-01-14
3119 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3120 (compute_antic): ...and remove the loop here.
3122 2005-02-11 Jakub Jelinek <jakub@redhat.com>
3125 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3126 is number of inner's bits, avoid creating a BIT_FIELD_REF.
3128 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3129 crtend.o if -pie. Use %{x:a;:b} spec syntax.
3131 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
3133 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3134 offsets for the big-endian 32-bit case.
3136 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
3138 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3140 2005-02-11 Dale Johannesen <dalej@apple.com>
3142 * cselib.c (cselib_process_insn): Clear out regs where
3143 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3144 * reload.c (find_equiv_reg): Ditto.
3146 2005-02-11 Ian Lance Taylor <ian@airs.com>
3148 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3151 * tree.c (build_function_type_list): Work correctly if there are
3154 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
3156 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3157 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3158 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3159 TARGET_ZARCH instead of TARGET_64BIT.
3161 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
3163 * config/rs6000/t-rtems:
3164 (MULTILIB_OPTIONS): Remove mcpu=602.
3165 (MUTLILIB_DIRNAMES): Remove m602.
3166 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3167 Let mcpu=602 match mcpu=603.
3168 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3170 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3172 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3175 2005-02-10 David Daney <ddaney@avtrex.com>
3177 * config/alpha/linux-unwind.h: Add exception clause to copyright.
3178 * config/i386/linux-unwind.h: Likewise.
3179 * config/ia64/linux-unwind.h: Likewise.
3180 * config/mips/linux-unwind.h: Likewise.
3181 * config/pa/linux-unwind.h: Likewise.
3182 * config/rs6000/linux-unwind.h: Likewise.
3183 * config/s390/linux-unwind.h: Likewise.
3184 * config/sh/linux-unwind.h: Likewise.
3185 * config/sparc/linux-unwind.h: Likewise.
3187 2005-02-10 Steven Bosscher <stevenb@suse.de>
3189 PR tree-optimization/17549
3190 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3191 TER to replace a DEF with its expression if the DEF and the
3192 rhs of the expression we replace into have the same root
3195 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
3197 * config/mips/mips.md: Fix the placement of the match_scratch in the
3200 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3202 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3205 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3207 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3208 (strip_offset): Handle addresses.
3209 (add_address_candidates): Use strip_offset.
3210 (difference_cost): Reflect strip_offset change.
3211 (force_var_cost, difference_cost): Strip nops.
3213 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3215 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3217 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3218 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3219 config/cris/cris-protos.h, config/cris/cris.c: Update
3222 2005-02-10 Jeff Law <law@redhat.com>
3224 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3225 (lookup_avail_expr): Similarly.
3227 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
3229 * builtins.c (fold_builtin_powi): New function.
3230 (fold_builtin_1): Call it.
3232 2005-02-10 Steven Bosscher <stevenb@suse.de>
3234 PR documentation/19309
3235 * doc/cpp.texi: The __GNUC__ and related predefined macros
3236 are also defined for the "standalone" cpp.
3237 Some non-GCC compilers may also define __GNUC__.
3239 2005-02-10 Jakub Jelinek <jakub@redhat.com>
3242 * c-typeck.c (common_type): New routine. Old common_type renamed
3244 (c_common_type): ...this.
3245 (build_conditional_expr, build_binary_op): Use c_common_type instead
3248 2005-02-10 Steven Bosscher <stevenb@suse.de>
3250 * doc/md.texi: Replace @samp{length} with @code{length}.
3252 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3254 PR tree-optimization/18687
3255 * tree-flow.h (find_loop_niter): Declare.
3256 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3257 Try using scev even for loops with more than one exit.
3258 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3259 (struct ivopts_data): Added niters field.
3260 (struct nfe_cache_elt): New.
3261 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3263 (tree_ssa_iv_optimize_init): Initialize niters cache.
3264 (determine_number_of_iterations): Removed.
3265 (find_induction_variables): Do not call determine_number_of_iterations.
3266 Access niters for single exit through niter_for_single_dom_exit.
3267 (add_iv_outer_candidates): Access niters for single exit through
3268 niter_for_single_dom_exit.
3269 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
3270 number_of_iterations_cond.
3271 (iv_period): New function.
3272 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3273 (may_replace_final_value): Take data argument. Use
3274 niter_for_single_dom_exit.
3275 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3276 (rewrite_use_compare): Pass data to may_eliminate_iv.
3277 (rewrite_use_outer): Pass data to may_replace_final_value.
3278 (free_loop_data): Clean up the niters cache.
3279 (tree_ssa_iv_optimize_finalize): Free the niters cache.
3280 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3281 * tree-ssa-loop-niter.c (find_loop_niter): New function.
3282 (find_loop_niter_by_eval): Use tree_int_cst_lt.
3283 (num_ending_zeros): Moved to tree.c.
3284 * tree.h (num_ending_zeros): Declare.
3285 * tree.c (num_ending_zeros): Moved from tree.c.
3287 2005-02-09 Richard Henderson <rth@redhat.com>
3289 * builtins.c (DEF_BUILTIN): Add COND argument.
3290 * tree.h (DEF_BUILTIN): Likewise.
3291 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3292 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3294 (DEF_BUILTIN_STUB): New.
3295 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3296 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3297 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3298 * c-common.c (DEF_BUILTIN): Add COND argument.
3299 * tree.c (local_define_builtin): New.
3300 (build_common_builtin_nodes): New.
3302 2005-02-09 Roger Sayle <roger@eyesopen.com>
3304 * fold-const.c (fold_strip_sign_ops): New function to simplify a
3305 floating point expression ignoring the sign of the result.
3306 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3307 (fold) <MULT_EXPR>: Use it to simplify x*x.
3308 * tree.h (fold_strip_sign_ops): Prototype here.
3309 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3310 argument. Use fold_strip_sign_ops to simplify the first argument.
3311 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
3312 first argument when the second argument is an even integer
3313 constant, but only with -funsafe_math_optimizations.
3314 (fold_builtin_1): Update call to fold_builtin_copysign.
3316 2005-02-09 Ian Lance Taylor <ian@airs.com>
3319 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3320 just check whether EH_FILTER_FAILURE falls through.
3322 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
3324 * gcc/haifa-sched.c (schedule_block): Make queued sched group
3325 insns return to ready list in the next turn.
3327 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3330 * builtins.def: New __builtin_powi[lf].
3331 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3332 (expand_builtin_powi): New function.
3333 (expand_builtin): Dispatch to expand_builtin_powi.
3334 * libgcc2.h: Add prototypes for __builtin_powi[lf].
3335 * libgcc2.c: Add __builtin_powi[lf] implementation.
3336 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3337 * optabs.h: Add powi_optab.
3338 * optabs.c (init_optabs): Initialize powi_optab.
3339 * doc/extend.texi: Document __builtin_powi[lf].
3341 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
3343 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3346 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3349 * fold-const.c (try_move_mult_to_index): Remove redundant
3350 type argument. Create ADDR_EXPR with correct type.
3351 (fold): Update callers of try_move_mult_to_index. Convert
3352 result to the appropriate type.
3354 2005-02-09 Roger Sayle <roger@eyesopen.com>
3357 * config/avr/avr.c (default_rtx_costs): Delete.
3358 (avr_operand_rtx_cost): New function.
3359 (avr_rtx_costs): Completely rewrite.
3361 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
3364 * config/cris/cris.c (in_code): New variable.
3365 (cris_output_addr_const): Now a static function, a wrapper for
3367 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3368 case from old cris_output_addr_const.
3369 (cris_asm_output_label_ref): Similar for LABEL_REF.
3370 (cris_output_addr_const_extra): Similar for UNSPEC.
3371 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3372 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3373 * config/cris/cris-protos.h (cris_output_addr_const): Remove
3375 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3376 (cris_asm_output_label_ref): Declare.
3378 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
3380 PR preprocessor/19801
3381 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3382 filenames that changed when libcpp was moved to the toplevel.
3384 2005-02-07 Roger Sayle <roger@eyesopen.com>
3386 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3387 zero extensions of BImode operands. Call lowpart_subreg instead
3388 of gen_lowpart_common and gen_lowpart_SUBREG.
3390 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
3393 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3394 * configure.ac: Set cc_for_cross_gnattools.
3395 * configure: Regenerate.
3397 2005-02-08 Alan Modra <amodra@bigpond.net.au>
3400 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3402 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3405 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3406 of nested functions.
3408 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
3410 * doc/extend.texi: Document deprecated extensions allowing
3411 static floating-point members to have initializers and allowing
3412 floating-point literals in integral constant expressions.
3414 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
3416 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3417 config/darwin7.h, config/mips/mips.c,
3418 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3421 * cse.c: Update comments.
3423 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
3426 * builtins.c (fold_builtin_sqrt): Transform
3427 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3430 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
3431 Dorit Naishlos <dorit@il.ibm.com>
3433 * doc/invoke.texi (ftree-vectorizer-verbose): New.
3434 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3435 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3437 * tree.h (vect_set_verbosity_level): New extern function declaration
3439 * tree-vectorizer.h (verbosity_levels): New enum type.
3440 * tree-vectorizer.c (vect_debug_stats): Function removed.
3441 (vect_debug_details): Likewise.
3442 (vect_verbosity_level): Global variable was defined and initialized.
3443 (vect_dump): Global variable definition.
3444 (vect_print_dump_info): New function.
3445 (vect_set_dump_settings): New function.
3446 (vect_set_verbosity_level): New function.
3447 (vectorize_loops): Add call to vect_set_dump_settings.
3449 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3450 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3451 (slpeel_tree_peel_loop_to_edge): Likewise.
3453 (vect_analyze_offset_expr): Call to vect_print_dump_info with
3454 appropriate verbosity level instead of call to vect_debug_details
3455 or vect_debug_stats.
3456 (vect_get_base_and_offset):
3457 (vect_create_addr_base_for_vector_ref):
3458 (get_vectype_for_scalar_type):
3459 (vect_create_data_ref_ptr):
3461 (vect_get_vec_def_for_operand):
3462 (vect_finish_stmt_generation):
3463 (vectorizable_assignment):
3464 (vectorizable_operation):
3465 (vectorizable_store):
3466 (vectorizable_load):
3467 (vect_transform_stmt):
3468 (vect_update_ivs_after_vectorizer):
3469 (vect_do_peeling_for_loop_bound):
3470 (vect_update_inits_of_drs):
3471 (vect_do_peeling_for_alignment):
3472 (vect_transform_loop):
3473 (vect_is_simple_use):
3474 (vect_analyze_operations):
3475 (vect_is_simple_iv_evolution):
3476 (vect_analyze_scalar_cycles):
3477 (vect_analyze_data_ref_dependence):
3478 (vect_analyze_data_ref_dependences):
3479 (vect_compute_data_ref_alignment):
3480 (vect_enhance_data_refs_alignment):
3481 (vect_analyze_data_refs_alignment):
3482 (vect_analyze_data_ref_access):
3483 (vect_analyze_data_ref_accesses):
3484 (vect_analyze_pointer_ref_access):
3485 (vect_get_memtag_and_dr):
3486 (vect_analyze_data_refs):
3487 (vect_mark_relevant):
3488 (vect_stmt_relevant_p):
3489 (vect_mark_stmts_to_be_vectorized):
3490 (vect_can_advance_ivs_p):
3491 (vect_get_loop_niters):
3492 (vect_analyze_loop_form):
3493 (vect_analyze_loop):
3494 (vectorize_loops): Likewise.
3496 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3497 (vect_update_inits_of_drs):
3498 (vect_do_peeling_for_alignment):
3499 (vect_transform_loop):
3500 (vect_analyze_operations):
3501 (vect_analyze_scalar_cycles):
3502 (vect_analyze_data_ref_dependences):
3503 (vect_analyze_data_refs_alignment):
3504 (vect_analyze_data_ref_accesses):
3505 (vect_analyze_data_refs):
3506 (vect_mark_stmts_to_be_vectorized):
3507 (vect_get_loop_niters):
3508 (vect_analyze_loop_form):
3509 (vect_analyze_loop): Likewise.
3510 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3512 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
3516 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3517 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3518 either -ffast-math or -funsafe-math-optimizations is in use.
3520 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3521 * config/mips/irix-csr.c: New file.
3522 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3523 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3524 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3527 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
3529 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3530 redundant, incorrect definitions.
3532 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3534 ("*tls_indirect_call"): New, reference hard regs directly.
3535 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3537 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3539 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3540 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3542 2005-02-06 Roger Sayle <roger@eyesopen.com>
3544 PR rtl-optimization/19800
3545 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3546 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3549 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3551 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3553 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
3556 * doc/invoke.texi: Correct documentation of -freorder-functions.
3558 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3561 * doc/invoke.texi: Don't mention gccbug.
3563 2005-02-06 Roger Sayle <roger@eyesopen.com>
3564 Andrew Pinski <pinskia@physics.uc.edu>
3565 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
3567 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3568 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3569 into just (zero_extract:SI FOO (const_int 1) BAR).
3571 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3573 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
3574 macro locally. Don't give last revision date. Use GCC version
3575 number from gcc-common.texi.
3576 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
3577 revision date. Use GCC version number from gcc-common.texi.
3578 Describe being a library as current state rather than as 3.x
3580 * doc/gcc.texi: Remove last update date.
3581 * doc/gccint.texi: Likewise. Update copyright dates.
3582 * doc/install.texi: Update copyright dates.
3584 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3587 * doc/invoke.texi: Mention for each option included in -Wall that
3588 it is included in -Wall.
3589 * doc/gcc.texi: Update copyright and last modification date.
3591 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3593 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3594 unnecessary cast to original induction variable increments.
3596 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3598 PR tree-optimization/18219
3599 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3600 in distributed form.
3602 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
3604 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3605 Set bitpos and offset later in the function. Do nothing if the
3606 target is a register and if the bitfield lies completely outside
3608 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3609 here. Return an uninitialised register if the source value is stored
3610 in a register and the bitfield lies completely outside that register.
3612 2005-02-06 Steven Bosscher <stevenb@suse.de>
3614 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3617 2005-02-06 Marcin Dalecki <martin@dalecki.de>
3619 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3621 2005-02-06 Geoffrey Keating <geoffk@apple.com>
3623 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3624 * config/darwin8.h: New.
3625 * config/darwin7.h: Update comment.
3627 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3628 Dorit Naishlos <dorit@il.ibm.com>
3630 * tree-vectorizer.h (LOC): New type.
3631 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3632 (loop_line_number): New field in struct _loop_vec_info.
3633 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3635 * tree-vectorizer.c (input.h): Included.
3636 (find_loop_location): New function.
3637 (vect_debug_stats): Argument changed from loop to LOC. Computation of
3638 loop line number removed.
3639 (vect_debug_details): Likewise.
3640 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3642 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3643 call to vect_debug_details/stats changed from loop to loop_loc.
3644 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3645 (slpeel_tree_peel_loop_to_edge): Likewise.
3647 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3648 changed from NULL to UNKNOWN_LOC.
3649 (vect_get_base_and_offset):
3650 (vect_create_addr_base_for_vector_ref):
3651 (get_vectype_for_scalar_type):
3652 (vect_create_data_ref_ptr):
3654 (vect_get_vec_def_for_operand):
3655 (vect_finish_stmt_generation):
3656 (vectorizable_assignment):
3657 (vectorizable_operation):
3658 (vectorizable_store):
3659 (vectorizable_load):
3660 (vect_transform_stmt):
3661 (vect_update_ivs_after_vectorizer):
3662 (vect_do_peeling_for_loop_bound):
3663 (vect_do_peeling_for_alignment):
3664 (vect_transform_loop):
3665 (vect_is_simple_use):
3666 (vect_analyze_operations):
3667 (vect_is_simple_iv_evolution):
3668 (vect_analyze_scalar_cycles):
3669 (vect_analyze_data_ref_dependences):
3670 (vect_compute_data_ref_alignment):
3671 (vect_enhance_data_refs_alignment):
3672 (vect_analyze_data_ref_access):
3673 (vect_analyze_data_ref_accesses):
3674 (vect_analyze_pointer_ref_access):
3675 (vect_get_memtag_and_dr):
3676 (vect_analyze_data_refs):
3677 (vect_mark_relevant):
3678 (vect_stmt_relevant_p):
3679 (vect_mark_stmts_to_be_vectorized):
3680 (vect_can_advance_ivs_p):
3681 (vect_get_loop_niters):
3682 (vect_analyze_loop):
3683 (vectorize_loops): Likewise.
3685 (vectorizable_load): Argument in call to vect_debug_details/stats
3686 changed from loop to LOOP_LOC (loop_vinfo).
3687 (vect_transform_loop):
3688 (vect_analyze_operations):
3689 (vect_analyze_scalar_cycles):
3690 (vect_analyze_data_ref_dependence):
3691 (vect_enhance_data_refs_alignment):
3692 (vect_analyze_data_ref_accesses):
3693 (vect_analyze_pointer_ref_access):
3694 (vect_analyze_data_refs):
3695 (vect_analyze_loop): Likewise.
3697 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3698 changed from loop to loop_loc.
3700 (vect_enhance_data_refs_alignment): Removed unused variable loop.
3702 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3703 Dorit Naishlos <dorit@il.ibm.com>
3705 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3707 (vect_analyze_data_ref_dependences): Likewise.
3709 (vect_is_simple_use): Argument changed from loop structure to
3710 loop_vect_info structure.
3711 (vect_can_advance_ivs_p): Likewise.
3712 (vect_create_index_for_vector_ref): Likewise.
3713 (vect_update_ivs_after_vectorizer): Likewise.
3714 (new_stmt_vec_info): Likewise.
3716 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3717 changed from loop to loop_vinfo.
3718 (vect_create_data_ref_ptr): First argument in call to
3719 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3720 (vectorizable_assignment): Second argument in call to vect_is_simple_use
3721 was changed from loop to loop_vinfo.
3722 (vectorizable_operation): Likewise.
3723 (vectorizable_store): Likewise.
3724 (vect_mark_stmts_to_be_vectorized): Likewise.
3725 (vect_do_peeling_for_loop_bound): First argument in call to
3726 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3727 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3728 was changed from loop to loop_vinfo.
3729 (vect_analyze_data_ref_dependences): Third argument in call to
3730 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3732 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3733 (vect_create_data_ref_ptr): Likewise.
3734 (vect_init_vector): Likewise.
3735 (vect_get_vec_def_for_operand): Likewise.
3736 (vectorizable_assignment): Likewise.
3737 (vectorizable_operation): Likewise.
3738 (vectorizable_store): Likewise.
3739 (vectorizable_load): Likewise.
3740 (vect_update_ivs_after_vectorizer): Likewise.
3741 (vect_is_simple_use): Likewise.
3742 (vect_analyze_data_ref_dependence): Likewise.
3743 (vect_analyze_pointer_ref_access): Likewise.
3744 (vect_can_advance_ivs_p): Likewise.
3746 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3747 before _stmt_vec_info.
3748 (_stmt_vec_info): Loop field replaced by loop_vec_info.
3749 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3750 (new_stmt_vec_info): Argument changed from loop structure to
3751 loop_vect_info structure
3753 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3754 (vect_analyze_offset_expr): Avoid 80 columns overflow.
3755 (vect_create_addr_base_for_vector_ref): Likewise.
3756 (vect_analyze_pointer_ref_access): Likewise.
3758 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3761 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3762 phi flag if the phi is abnormal.
3764 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3767 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3768 information for the new statement.
3770 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3773 * gcc.c (main): Include the target in -v output.
3775 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
3777 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3778 Do not drop the extend if we'd have to add a paradoxical subreg
3779 later. Include optabs.h and insn-codes.h.
3780 * Makefile.in (combine.o): Depend on $(OPTABS_H).
3782 2005-02-02 Roger Sayle <roger@eyesopen.com>
3785 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3786 * fold-const.c (const_binop): Avoid constant folding floating
3787 point operations in modes that use composite representations.
3788 * simplify-rtx.c (simplify_binary_operation): Likewise.
3790 2005-02-02 Geoffrey Keating <geoffk@apple.com>
3792 * config/rs6000/altivec.md (altivec_dst): Make the first operand
3794 (altivec_dstt): Likewise.
3795 (altivec_dstst): Likewise.
3796 (altivec_dststt): Likewise.
3797 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3800 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3802 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3803 EXPR_LOCUS from orig_cond to the new cond_stmt.
3804 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3807 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3809 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3810 standard_iv_increment_position. Remove call to bsi_next
3811 (no need to bump the iterator anymore).
3812 (vect_create_index_for_vector_ref): Call
3813 standard_iv_increment_position. Remove second function argument.
3814 (vect_finish_stmt_generation): Remove call to bsi_next
3815 (no need to bump the iterator anymore).
3816 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3817 to vect_create_index_for_vector_ref.
3819 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3821 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3822 phis are used out of the loop.
3824 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3827 * c-decl.c (undef_nested_function): New variable.
3828 (pop_scope): Diagnose undefined nested functions.
3829 (finish_function): Don't attempt cgraph processing or genericizing
3830 if current top-level function contained an undefined nested
3831 function. Reset undef_nested_function at the end of a top-level
3834 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3836 * tree.c (build_int_cst_type): Take sign of the value into account
3837 when deciding whether sign extend the value.
3839 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3842 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3843 (cpp_options, cc1_options): Change %{std*&ansi} to
3844 %{std*&ansi&trigraphs}.
3846 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3848 * cse.c: Update comments.
3850 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
3852 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3853 arguments go on the stack. Do not put complex doubles in odd/even
3856 2005-02-02 Steven Bosscher <stevenb@suse.de>
3858 * doc/invoke.texi: Update the options enabled at -O1, -O2,
3859 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
3860 -ftree-pre, and -fthread-jumps.
3862 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
3864 PR tree-optimization/19578
3865 * tree-flow.h (modified_noreturn_calls): Declare.
3866 (noreturn_call_p): Declare.
3867 * tree-flow-inline.h (noreturn_call_p): New function.
3868 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3869 * tree-cfg.c (modified_noreturn_calls): New variable.
3870 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
3871 that contain a mid-block noreturn call.
3872 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3874 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3876 * df.c (df_def_record_1, df_uses_record): Don't use
3878 * df.h (DF_FOR_REGALLOC): Remove.
3880 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3883 * c-typeck.c (really_start_incremental_init): Reset
3884 constructor_max_index for arrays of incomplete type.
3886 2005-02-02 Jeff Law <law@redhat.com>
3888 * gcse.c (struct reg_set): Store the block index where the register
3889 was set rather than the setting insn.
3890 (record_one_set, compute_transp): Corresponding changes.
3891 (pre_insert_copy_insn): Do not call replace_one_set.
3892 (replace_one_set): Remove.
3894 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3897 * doc/gcov.texi: Fix typo.
3899 2005-02-01 Richard Henderson <rth@redhat.com
3902 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3903 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3905 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3906 * config/i386/i386-protos.h: Update.
3908 2005-02-01 Steven Bosscher <stevenb@suse.de>
3910 PR tree-optimization/19217
3911 * tree-cfg.c (verify_expr): Use the data field to see if TP was
3912 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
3913 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3914 that it is walking a PHI node.
3916 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
3918 * doc/extend.texi (Nested Functions): Update.
3920 2005-02-01 Richard Henderson <rth@redhat.com>
3923 * optabs.c (expand_copysign_absneg): Export.
3924 * optabs.h (expand_copysign_absneg): Declare.
3925 * config/rs6000/rs6000.md (copysigntf3): New.
3927 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3929 PR tree-optimization/19633
3930 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3931 * tree-ssa-alias.c (init_alias_info): Initialize.
3932 (merge_pointed_to_info): Set.
3933 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3934 (dump_points_to_info_for): Show value of pt_null.
3935 (struct count_ptr_d): Declare.
3936 (find_ptr_dereference): Remove.
3937 (ptr_is_dereferenced_by): Remove.
3938 (count_ptr_derefs): New local function.
3939 (count_uses_and_derefs): New local function.
3940 (compute_points_to_and_addr_escape): Call it. If the number
3941 of dereferences is greater than zero, mark the pointer as
3942 dereferenced. If there are fewer dereferences than uses of
3943 the pointer, the pointer's value escapes.
3945 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3947 PR tree-optimization/19670
3948 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3950 (verify_use): ... set it here, instead.
3952 2005-02-01 Janis Johnson <janis187@us.ibm.com>
3954 * doc/sourcebuild.texi (Test directives): Fix formatting.
3956 * doc/sourcebuild.texi (Test directives): Describe selector
3959 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
3961 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3962 specific 64-bit CPUs.
3964 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
3967 * arm.c (arm_eliminable_register): New function.
3968 (adjacent_mem_locations): Don't allow eliminable registers. Use
3969 HOST_WIDE_INT for address offsets.
3970 * arm-protos.h (arm_eliminable_register): Add prototype.
3972 2005-02-01 Steven Bosscher <stevenb@suse.de>
3974 PR optimization/15242
3975 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3976 * basic-block.h (duplicate_computed_gotos): Add prototype.
3977 * bb-reorder.c (duplicate_computed_gotos): New function to
3978 duplicate sufficiently small blocks ending in a computed jump.
3979 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3980 if not optimizing for size.
3981 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3982 never do tail merging for blocks ending in a computed jump.
3983 * doc/invoke.texi: Document the max-goto-duplication-insns param.
3985 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
3987 Patch from Richard Sandiford <rsandifo@redhat.com>
3988 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3989 from inheriting a subreg equivalence with a non-spill register.
3991 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3993 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
3995 * config/frv/frv.c (movcc_fp_destination_operand): New.
3996 (gpr_or_memory_operand): Fix typo in comment.
3997 (gpr_or_memory_operand_with_scratch): New.
3998 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3999 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4000 movcc_fp_destination_operand.
4001 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4002 Legitimize memory addresses using a scratch register.
4004 2005-01-31 Jeff Law <law@redhat.com>
4006 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4007 bitmap a sparse bitmap instead of a simple bitmap.
4008 (mark_def_sites_initialize_block): Corresponding changes.
4009 (ssa_mark_def_sites_initialize_block): Likewise.
4010 (ssa_mark_phi_uses): Likewise.
4011 (mark_def_site, ssa_mark_def_sites): Likewise.
4012 (mark_def_site_blocks): Likewise.
4013 (rewrite_ssa_into_ssa): Likewise.
4015 * tree-ssa-dom.c (record_cond): Pass correct variable type
4016 for last argument to htab_find_slot_with_hash.
4018 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4019 effects when optimizing 0 % X. Do not try to optimize X % 0.
4021 2005-01-31 James E. Wilson <wilson@specifixinc.com>
4023 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4026 2005-02-01 Eric Christopher <echristo@redhat.com>
4028 * config/mips/mips.c (override_options): Warn if -mint64
4030 * doc/invoke.texi (MIPS Options): Document that -mint64 is
4033 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
4035 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
4037 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4038 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4039 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4040 (cached_regno): Initialize to INVALID_REGNUM.
4041 (cse_reg_info_table_size,
4042 cse_reg_info_table_first_uninitialized,
4043 cse_reg_info_timestamp): New.
4044 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4046 (init_cse_reg_info, get_cse_reg_info_1): New.
4047 (get_cse_reg_info): Cache the last look-up.
4048 (new_basic_block): Update the code to clear mappings from
4049 registers to cse_reg_info entries.
4050 (cse_main): Call init_cse_reg_info.
4052 * cse.c (get_cse_reg_info): Update a comment.
4054 2005-01-31 Steven Bosscher <stevenb@suse.de>
4057 * c-decl.c (start_decl): Do not warn about arrays of elements with
4058 an incomplete type here.
4059 (grokdeclarator): Do it here by making a pedwarn an error.
4060 * c-typeck.c (push_init_level): If there were previous errors with
4061 the constructor type, do not warn about braces for initializers.
4062 (process_init_element): Likewise for excess initializer elements.
4064 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
4066 * cse.c (delete_trivially_dead_insn): Don't iterate.
4068 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4070 * config/rs6000/rs6000.md (copysignsf3): New expand.
4071 (copysigndf3): Likewise.
4073 2005-01-31 Steven Bosscher <stevenb@suse.de>
4075 * recog.c (constrain_operands): Only look for earlyclobber operand
4076 conflicts if an '&' constraint was seen.
4078 2005-01-31 Marc Espie <espie@openbsd.org>
4080 * config.gcc: Don't include embedded systems fragment, switches default
4081 debugging format to ELF.
4082 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4083 longer pick it up there.
4085 2005-01-31 Dale Johannesen <dalej@apple.com>
4087 * doc/extend.texi (nested functions): Fix linkage description.
4088 Clarify that static is not allowed.
4090 2005-01-31 Dale Johannesen <dalej@apple.com>
4092 * config/rs6000/darwin.md (movsf_low_di): Make work.
4093 (movdf_low_di): Make work.
4095 2005-01-31 Dale Johannesen <dalej@apple.com>
4097 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4098 Make work for 64 bit.
4100 2005-01-31 Roger Sayle <roger@eyesopen.com>
4101 Dale Johannesen <dalej@apple.com>
4104 * fold-const.c (fold_binary_op_with_conditional_arg):
4105 Make types match original operands, before STRIP_NOPS.
4107 2005-01-31 Alan Modra <amodra@bigpond.net.au>
4109 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4110 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
4111 (struct gcc_sigcontext): Delete. Merge contents to..
4112 (struct gcc_ucontext): ..here.
4113 (get_sigcontext): Delete.
4114 (get_regs): New function, like get_sigcontext but return regs ptr.
4115 64-bit version finds regs from r1 to support vdso.
4116 (ppc_linux_aux_vector): New function.
4117 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
4120 2005-01-31 Ira Rosen <irar@il.ibm.com>
4122 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4124 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4125 redundant fold. Fix misalignment for MINUS_EXPR.
4126 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4127 (vect_analyze_pointer_ref_access): Likewise.
4128 (vect_get_memtag_and_dr): Likewise.
4130 2005-01-31 Richard Henderson <rth@redhat.com>
4132 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4133 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4134 absnegdf2_i387, absnegxf2_i387): Likewise.
4136 2005-01-31 Richard Henderson <rth@redhat.com>
4139 * optabs.c (expand_copysign_absneg): New.
4140 (expand_copysign_bit): Split out from ...
4141 (expand_copysign): ... here. Use expand_copysign_absneg.
4143 2005-01-30 Roger Sayle <roger@eyesopen.com>
4146 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4147 constant as the second operand and a register as the third.
4149 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
4152 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
4153 that dllimport'd functions do not use all call-clobbered registers
4156 2005-01-30 Richard Henderson <rth@redhat.com>
4159 * optabs.c (expand_absneg_bit): Split out from expand_unop and
4160 expand_abs_nojump and generalize. Use operand_subword and
4161 emit_no_conflict_block. Support large modes.
4162 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
4164 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
4165 negation to subtraction.
4166 (expand_copysign): Check that the format has signed zeros.
4167 Use operand_subword and emit_no_conflict_block. Support large modes.
4169 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
4171 Fix PR tree-optimization/19624
4173 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4174 * tree-ssa-pre.c: Add cfgloop.h.
4176 (pre_stats): New member, constified.
4177 (inserted_exprs): New static variable.
4178 (NECESSARY): New macro.
4179 (create_expression_by_pieces): Fold the expression, and
4180 mark it as defaulting to not necessary. Also put in
4182 (fully_constant_expression): New function.
4183 (insert_into_preds_of_block): Modify to not insert phis when we
4184 are playing with induction variables.
4185 Push phis onto the inserted_exprs vector, and mark them as not
4186 necessary by default.
4187 (insert_aux): Call fully_constant_expression on eprime.
4188 If all edges produce the same value, mark it constant.
4189 (mark_operand_necessary): New function.
4190 (remove_dead_inserted_code): New function.
4191 (init_pre): Init loop optimizer to get loop info.
4192 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4193 (execute_pre): Commit edge inserts, then remove dead code.
4195 2005-01-30 Richard Henderson <rth@redhat.com>
4197 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4198 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4200 2005-01-30 Richard Henderson <rth@redhat.com>
4203 * config/i386/i386.c (ix86_expand_copysign): New.
4204 (ix86_split_copysign_const): New.
4205 (ix86_split_copysign_var): Rename from ix86_split_copysign,
4206 rearrange op1/nmask operands.
4207 * config/i386/i386-protos.h: Update.
4208 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4209 (copysigndf3): Likewise.
4210 (copysignsf3_const, copysigndf3_const): New.
4211 (copysignsf3_var): Rename from copysignsf3, split out splitter
4212 and fix split predicate for X constraint.
4213 (copysigndf3_var): Similarly.
4215 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
4217 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4218 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4219 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4221 2005-01-29 Richard Henderson <rth@redhat.com>
4224 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4225 of # and * in constraints.
4227 2005-01-29 Richard Henderson <rth@redhat.com>
4230 * expr.c (store_field): Don't strip sub-mode cast when the input
4231 data is even smaller.
4233 2005-01-29 Richard Henderson <rth@redhat.com>
4236 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4239 2005-01-29 Richard Henderson <rth@redhat.com>
4241 * combine.c (make_field_assignment): Fix argument order
4244 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
4246 PR tree-optimization/15791
4247 * fold-const.c (extract_array_ref): New function.
4248 (fold): Fold comparisons between &a[i] and &a[j] or
4249 semantically equivalent trees.
4251 2005-01-29 Jeff Law <law@redhat.com>
4253 * gcse.c (insert_expr_in_table): Revamp handling of available
4254 and anticipatable occurrence lists to avoid unnecessary list
4256 (insert_set_in_table): Similarly.
4258 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
4260 * c-common.c (fix_string_type): Just use c_build_qualified_type to
4262 (c_build_qualified_type): Build qualified array types with
4263 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4264 * c-decl.c (c_make_fname_decl): Build unqualified array type
4265 before qualified type.
4266 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4267 type is qualified, not just if type itself is. Don't apply
4268 qualifiers to array type when declarator is processed. Apply
4269 qualifiers to field type whether or not it is an array type.
4270 Don't handle array types specially for applying qualifiers to
4272 * c-typeck.c (composite_type): Build unqualified element type and
4273 array type when forming composite of array types.
4274 (common_pointer_type, comptypes, comp_target_types,
4275 type_lists_compatible_p, build_indirect_ref, build_array_ref,
4276 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4278 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4279 (args2) in variables a1 and a2.
4281 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
4283 * cse.c (n_elements_made, max_elements_made): Remove.
4284 (insert): Don't touch n_elements_made.
4285 (cse_main): Don't touch n_elements_made or max_elements_made.
4287 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
4290 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4291 configuration part of dp-bit.c to be lost.
4293 2005-01-28 Roger Sayle <roger@eyesopen.com>
4295 * expmed.c (expand_mult_highpart_optab): When attempting to use
4296 a non-widening multiplication in a wider mode, the operands need
4297 to be converted (zero or sign extended) to that mode.
4299 2005-01-28 Ian Lance Taylor <ian@airs.com>
4303 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4304 through if both operands fall through.
4306 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4308 * cse.c (fold_rtx) <PC>: Don't optimize.
4310 2005-01-28 Jeff Law <law@redhat.com>
4312 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4313 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4315 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4317 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4318 cse_reg_info_used_list_end): Remove.
4319 (cse_reg_info_list, cse_reg_info_list_free): New.
4320 (get_cse_reg_info): When allocating an instance of
4321 cse_reg_info, add it to the beginning of the cse_reg_info_list
4322 list. Remove code to maintain cse_reg_info_used_list.
4323 (new_basic_block): Reset the free list to the beginning of
4326 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
4328 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4329 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4330 (frv_expand_mdpackh_builtin): New function.
4331 (frv_expand_builtin): Use it to expand __MDPACKH.
4332 * doc/extend.texi (__MDPACKH): Update documentation.
4334 2005-01-28 Uros Bizjak <uros@kss-loka.si>
4336 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4337 SSE_FLOAT_MODE_P for use_sse computation.
4339 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
4342 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4344 2005-01-27 Richard Henderson <rth@redhat.com>
4346 * builtins.c (expand_builtin_copysign): New.
4347 (expand_builtin): Call it.
4348 * genopinit.c (optabs): Add copysign_optab.
4349 * optabs.c (init_optabs): Initialize it.
4350 (expand_copysign): New.
4351 * optabs.h (OTI_copysign, copysign_optab): New.
4352 (expand_copysign): Declare.
4354 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4355 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4357 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4358 (ix86_expand_fp_absneg_operator): ... here.
4359 (ix86_split_copysign): New.
4360 * config/i386/i386-protos.h: Update.
4361 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4362 (copysignsf3, copysigndf3): New.
4364 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4365 (copysignsf3, ncopysignsf3): New.
4366 (copysigndf3, ncopysigndf3): New.
4367 (copysignxf3, ncopysignxf3): New.
4368 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4370 2005-01-27 Arend Bayer <arend.bayer@web.de>
4371 Kazu Hirata <kazu@cs.umass.edu>
4373 * cse.c: (find_best_addr): Don't call copy_rtx before calling
4374 fold_rtx. Save cost recomputation if fold_rtx did nothing.
4375 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4378 2005-01-27 Jeff Law <law@redhat.com>
4380 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4381 definitions of SSA_NAMEs which are not being rewritten.
4382 (rewrite_ssa_into_ssa): Only initialize the current definition
4383 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4384 If checking is enabled, assert that SSA_NAME_AUX is clear for all
4385 SSA_NAMEs before returning.
4387 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
4389 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4390 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4391 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4392 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4393 config/mips/iris6.h, config/sh/sh.c: Update copyright.
4395 2005-01-27 Steven Bosscher <stevenb@suse.de>
4398 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4399 higher to -O2 and higher. Likewise for tree PRE.
4400 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4403 2005-01-27 Ian Lance Taylor <ian@airs.com>
4406 * gimple-low.c (try_catch_may_fallthru): New static function.
4407 (block_may_fallthru): Handle TRY_CATCH_EXPR.
4408 * tree-inline.c (expand_call_inline): Don't warn about reaching
4409 the end of a non-void function being inlined if the function uses
4412 2005-01-27 Jakub Jelinek <jakub@redhat.com>
4414 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4417 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4418 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4419 (implicitly_declare): Handle error_mark_node.
4421 2005-01-27 Richard Henderson <rth@redhat.com>
4424 * tree.h (struct tree_decl): Add debug_expr_is_from.
4425 (DECL_DEBUG_EXPR_IS_FROM): New.
4426 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4427 * dwarf2out.c (dwarf2out_var_location): Update to match.
4428 * tree-outof-ssa.c (create_temp): Likewise.
4429 * var-tracking.c (track_expr_p): Likewise.
4430 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4431 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4432 * toplev.c (default_tree_printer): Likewise.
4434 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
4436 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4437 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4439 2005-01-27 Steven Bosscher <stevenb@suse.de>
4441 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4442 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4443 ASM_CLOBBERS): Add tree checks.
4445 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4446 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4447 * c-common.def (SWITCH_STMT): Update to match.
4448 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4449 macros instead of SWITCH_EXPR ones.
4450 * c-dump.c (c_dump_tree): Likewise.
4451 * c-gimplify.c (gimplify_switch_stmt): Likewise.
4452 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4454 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4456 2005-01-27 Alan Modra <amodra@bigpond.net.au>
4458 * unwind-dw2.c (execute_stack_op): Add missing cases for
4459 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4461 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
4463 * config.gcc (Obsolete configurations): Remove 'dummy', add
4464 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4467 2005-01-26 Diego Novillo <dnovillo@redhat.com>
4469 PR tree-optimization/19633
4470 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4472 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4473 are no call-clobbered variables.
4474 * tree-outof-ssa.c (check_replaceable): Return false for calls
4477 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
4479 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4480 even for variables with NULL DECL_INITIAL.
4482 2005-01-26 Stuart Hastings <stuart@apple.com>
4484 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4486 2005-01-26 Richard Henderson <rth@redhat.com>
4489 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4491 * expr.c (store_field): Strip conversions to odd-bit-sized types
4492 if the destination field width matches.
4494 2005-01-26 Richard Henderson <rth@redhat.com>
4496 * c-decl.c, expmed.c, expr.c: Revert last change.
4498 2005-01-26 Richard Henderson <rth@redhat.com>
4501 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4503 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4504 if we don't need the bits above those present in the current mode.
4505 * expr.c (store_field): Strip conversions to odd-bit-sized types
4506 if the destination field width matches.
4508 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
4510 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4511 either -ffast-math or -funsafe-math-optimizations is in use.
4513 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
4517 * config/avr/avr.c (notice_update_cc): Only set condition code for
4518 ashrqi3 if shift count > 0.
4519 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4520 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4521 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4522 count <= 0 as a no-op, and shift count >= width by copying zero
4523 or sign bit to all bits of the result.
4524 * config/avr/avr.md (all shifts): Add alternatives for zero shift
4525 count, with attribute "length" set to 0 and "cc" set to "none".
4527 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4529 * doc/invoke.texi: Document -mTLS.
4531 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4532 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4533 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4534 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4535 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4536 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4537 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4538 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4540 * configure.ac: Check for a TLS capable gas.
4542 * configure: Regenerate.
4544 2005-01-26 Richard Henderson <rth@redhat.com>
4547 * combine.c (make_field_assignment): Simplify store to zero_extract
4548 from a source with an overlapping mask.
4550 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4552 2004-11-11 Eric Christopher <echristo@redhat.com>
4554 * config/frv/frv.md: Add fr400_integer automaton. Don't
4555 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4558 2005-01-26 Steven Bosscher <stevenb@suse.de>
4561 * cfgbuild.c (make_edges): Do not clear or set
4562 current_function_has_computed_jump.
4563 * function.h (struct function): Remove the has_computed_jump field.
4564 (current_function_has_computed_jump): Do not define.
4565 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4566 in a computed jump. Ignore current_function_has_computed_jump.
4568 2005-01-26 Richard Henderson <rth@redhat.com>
4571 * expr.c (categorize_ctor_elements): New argument p_must_clear.
4572 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
4574 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4575 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
4576 objects into static storage if they have more than one non-zero value.
4577 * tree.h (categorize_ctor_elements): Update decl.
4579 2005-01-26 Steven Bosscher <stevenb@suse.de>
4582 * tree.h (CALL_EXPR_TAILCALL): Add comment.
4583 * calls.c (check_sibcall_argument_overlap_1): Revert the change
4584 to this function from 2004-07-10.
4585 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4586 the current function for tail call optimizations if the address
4587 of one of it its arguments is taken.
4589 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
4591 * cse.c (fold_rtx): Call equiv_constant only when necessary.
4593 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
4595 * function.c (expand_function_end): If current_function_calls_alloca,
4596 emit stack restore in a place that is reached when the function falls
4599 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
4601 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4602 rule to avoid matching inappropriate suffix rule.
4604 2005-01-26 Jan Hubicka <jh@suse.cz>
4606 PR tree-optimization/19241
4607 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4609 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4611 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4612 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
4614 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4615 <sim*>: Always use crt1.o, regardless of N in simN.
4616 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4617 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4618 (CRT_CALL_STATIC_FUNCTION): Remove.
4619 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4620 use crt1.o, regardless of N in simN.
4621 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4622 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4623 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4624 case isystem setting.
4625 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4627 2005-01-25 Ian Lance Taylor <ian@airs.com>
4629 * gimple-low.c (block_may_fallthru): Correct handling of
4630 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4632 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4634 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4635 handlers to match indentation; nested under the mtune=* handler.
4636 Similar for mcpu= and march=.
4638 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
4640 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4641 * config/mips/linux64.h (LIB_SPEC): Likewise.
4642 * config/mn10300/linux.h (LIB_SPEC): Likewise.
4643 * config/sh/linux.h (LIB_SPEC): Likewise.
4645 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
4647 * config/frv/frv.c (frv_legitimize_tls_address): New.
4648 (TARGET_HAVE_TLS): Define.
4649 (FRV_SYMBOL_REF_TLS_P): Define.
4650 (frv_override_options): Handle new register classes.
4651 (frv_legitimate_address_p): Reject tls addresses.
4652 (frv_legitimize_address): Handle TLS addresses.
4653 (gen_inlined_tls_plt): New.
4655 (frv_legitimize_tls_address): New.
4656 (unspec_got_name): Add TLS entries.
4657 (got12_operand): Add R_FRV_TLSMOFF12 case.
4658 (frv_emit_move): Fixup TLS addresses.
4659 (frv_emit_movsi): Legitimize TLS addresses.
4661 * config/frv/frv.h (MASK_BIG_TLS): New.
4662 (TARGET_BIG_TLS): New.
4663 (HAVE_AS_TLS): Define.
4664 (TARGET_SWITCHES): Add -mTLS and -mtls options.
4665 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4666 (REG_CLASS_NAMES): Same.
4667 (REG_CLASS_CONTENTS): Same.
4668 (CONSTRAINT_LEN): New.
4669 (REG_CLASS_FROM_CONSTRAINT): New.
4670 (PREDICATE_CODES): Add symbolic_operand.
4672 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4673 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4674 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4675 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4676 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4677 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4678 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4679 GR9_REG, GR14_REG, LRREG.
4680 (type): Add load_or_call attribute.
4681 ("load_or_call"): New reservation.
4682 ("call_gettlsoff"): New.
4683 ("tls_indirect_call"): New.
4684 ("tls_load_gottlsoff12"): New.
4685 ("tlsoff_hilo"): New.
4686 ("tls_tlsdesc_ldd"): New.
4687 ("tls_tlsoff_ld"): New.
4690 * config/frv/frv-protos.h (symbolic_operand): Protoize.
4692 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
4694 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4695 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4696 * config/frv/frv.c (TLS_BIAS): Define.
4697 (frv_output_dwarf_dtprel): New.
4699 2005-01-26 Jakub Jelinek <jakub@redhat.com>
4701 PR rtl-optimization/19579
4702 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4703 both A and B, see if they don't clobber registers the other expr uses.
4705 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
4707 * real.c (do_add): Initialize signalling and canonical members.
4709 * real.c (real_from_integer): Zero out destination.
4711 2005-01-18 Jan Hubicka <jh@suse.cz>
4713 PR tree-optimize/19337
4714 * tree-inline.c (initialize_inlined_parameters): Copy
4715 saved_static_chain_decl only.
4717 2005-01-25 Richard Henderson <rth@redhat.com>
4721 * config/i386/i386.c (x86_inter_unit_moves): Zero.
4722 (ix86_preferred_reload_class): Rewrite fp-constant section, with
4723 80387 enabled, to return a proper subclass. Return the subset that
4724 overlaps with GENERAL_REGS for PLUS.
4725 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4727 2005-01-25 Richard Henderson <rth@redhat.com>
4730 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4732 2005-01-25 Roger Sayle <roger@eyesopen.com>
4734 * expmed.c (choose_multiplier): Change interface to return the
4735 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4736 (expand_divmod): Update calls to choose_multiplier.
4738 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4741 * expmed.c (extract_bit_field): Use adjust_address instead of
4742 gen_lowpart when op0 is a MEM.
4744 2005-01-24 Steven Bosscher <stevenb@suse.de>
4746 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4748 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
4750 * config/mips/irix-csr.c: New file.
4751 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4752 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4753 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4756 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
4759 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4760 sparc/elf.h, add sparc/sp-elf.h.
4761 (sparc-*-rtems*): Likewise.
4762 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4763 tm-dwarf2.h, add sparc/sp-elf.h.
4764 (sparc86x-*-elf): Likewise.
4765 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4766 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4767 TARGET_OS_CPP_BUILTINS.
4768 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4769 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4771 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4772 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4773 (SWITCH_TAKES_ARG): Likewise.
4774 (LOCAL_LABEL_PREFIX): Likewise.
4775 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4776 (TARGET_N_FORMAT_TYPES): Delete.
4777 (TARGET_FORMAT_TYPES): Likewise.
4778 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4779 * config/sparc/elf.h: Delete.
4780 * config/sparc/sp-elf.h: New file.
4782 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4784 * tree-flow-inline.h (phi_arg_from_edge): Remove.
4785 * tree-flow.h: Remove the corresponding prototype.
4786 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4787 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4789 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4792 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4793 for AIX ABI or ELF -fPIC.
4794 (rs6000_emit_load_toc_table): Don't create toc_section here.
4795 (rs6000_xcoff_file_start): Nor here.
4797 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
4799 * sh.c (ra.h): Don't #include.
4800 (hard_regs_intersect_p): New function, resurrected from ra.c.
4802 * sh.c: Fix 1996 Copyright.
4804 2005-01-24 Richard Henderson <rth@redhat.com>
4805 Aldy Hernandez <aldyh@redhat.com>
4807 * regrename.c (note_sets): Handle subregs.
4809 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
4812 * genconditions.c (write_header, write_conditions): Elide file if
4815 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4817 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4818 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4821 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4823 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4824 expand_builtin_printf, expand_builtin_fprintf,
4825 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4826 checking against POINTER_TYPE.
4827 (validate_arglist): Handle POINTER_TYPE code by checking
4830 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
4832 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4834 (for_each_rtx): Call for_each_rtx_1.
4835 * rtl.h (init_rtlanal): Declare.
4836 * toplev.c (backend_init): Call init_rtlanal.
4838 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4840 * flow.c (propagate_one_insn): Formatting.
4843 * flow.c (libcall_dead_p): Be more conservative if unsure.
4844 If there are any instructions between insn and call, see if they are
4845 all dead before saying the libcall is dead.
4847 2005-01-24 Uros Bizjak <uros@kss-loka.si>
4849 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4850 operand constraint for operand 0.
4852 2005-01-23 Richard Henderson <rth@redhat.com>
4855 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4856 edges leading to join block.
4858 2005-01-23 Roger Sayle <roger@eyesopen.com>
4860 * expmed.c (expand_mult_highpart): Make static. Change type of
4861 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4862 (expand_divmod): Updates calls to expand_mult_highpart by using
4863 gen_int_mode to pass a CONST_INT rtx.
4864 * rtl.h (expand_mult_highpart): Remove prototype.
4866 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4868 * flow.c (regset_bytes, regset_size): Remove.
4870 * cfganal.c: Fix a reference to Harvey's paper.
4872 2005-01-23 Steven Bosscher <stevenb@suse.de>
4874 PR rtl-optimization/19464
4875 * tree-optimize.c (init_tree_optimization_passes): Add one more
4876 copyrename pass just before out-of-ssa.
4878 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
4881 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4882 * ggc-none.c (ggc_free): Define.
4884 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4886 * cse.c (max_reg, max_insn_uid): Remove.
4887 (cse_main): Don't access max_reg or max_insn_uid.
4889 * c-common.c (explicit_flag_signed_bitfields,
4890 lang_statement_code_p, lang_expand_function_end): Remove.
4891 * c-common.h: Remove the corresponding declarations.
4892 * c-opts.c (c_common_handle_option): Remove all write access
4893 to explicit_flag_signed_bitfields.
4895 * cgraph.c (cgraph_varpool_n_nodes): Remove.
4896 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4897 * cgraph.h: Remove the corresponding declaration.
4899 * gcse.c (null_pointer_info): Remove.
4901 2005-01-23 Roger Sayle <roger@eyesopen.com>
4902 Eric Botcazou <ebotcazou@libertysurf.fr>
4904 * combine.c (simplify_logical): Only simplify logical expressions
4905 of the form ior(and(x,y),z) by the inverse distributive law if the
4906 result is cheaper than the original.
4908 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4910 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4911 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4912 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4913 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4914 config/freebsd-spec.h, config/arm/arm.h,
4915 config/h8300/h8300.md, config/i386/i386.md,
4916 config/i386/predicates.md, config/i386/sse.md,
4917 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4918 config/vax/vax.md: Fix comment typos. Follow spelling
4921 2005-01-23 Steven Bosscher <stevenb@suse.de>
4923 * gengtype.c (walk_type): Produce `not equal to' compares for loop
4924 tests, instead of `less than'.
4926 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
4928 * function.c (assign_parm_setup_block): When creating a new stack slot
4929 for a parameter, get its alignment from the parameter's DECL_ALIGN
4930 rather than the type's TYPE_ALIGN. Make sure that the parameter
4931 is at least word aligned.
4933 2005-01-22 Roger Sayle <roger@eyesopen.com>
4936 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4938 2005-01-22 Richard Henderson <rth@redhat.com>
4941 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4942 in both compare operands.
4943 (movdfcc_1_sse_max): Likewise.
4944 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
4945 (movdfcc_1_sse): Likewise.
4946 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4947 scratch register as needed.
4949 2005-01-22 Richard Henderson <rth@redhat.com>
4951 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4953 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4955 2005-01-22 Richard Henderson <rth@redhat.com>
4957 * genopinit.c (optabs): Use smin/smax for floating point too.
4958 * doc/md.texi: Update to match. Clarify that floating point
4959 results are undefined for +0/-0 and NaN.
4960 * doc/rtl.texi: Likewise.
4961 * rtl.def (SMIN, SMAX): Likewise
4962 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4964 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4965 leading 's' to the name.
4966 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4967 smaxxf3, sminxf3): Likewise.
4968 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4971 2005-01-22 Paul Brook <paul@codesourcery.com>
4973 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4975 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
4977 * config/s390/s390.c (struct processor_costs): New fields
4978 dlgr, dlr, dr, dsgfr, dsgr.
4979 (z900_cost, z990_cost): Values for new fields.
4980 (s390_rtx_costs): New cases MEM und COMPARE in switch
4981 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4982 DIV, MOD, UDIV, UMOD.
4984 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4986 * config/s390/s390.md ("doloop_si64"): Reload input value directly
4987 into the register being decremented.
4988 ("doloop_si31", "doloop_di"): Likewise.
4989 ("*doloop_si_long"): Adapt pattern.
4991 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4993 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4995 (CLASS_MAX_NREGS): Likewise.
4997 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
4999 * doc/tree-ssa.texi (Statement Operands): Add example for new
5000 must-def macro. Note deprecation of old operands interface.
5002 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
5004 PR tree-optimization/19484
5005 * tree-cfg.c (remove_fallthru_edge): New function.
5006 (cleanup_control_flow): Remove fallthru edges from calls that are
5007 now known not to return.
5009 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5011 Fix PR tree-optimization/19038
5012 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5013 copies with loop variant ones.
5015 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
5017 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5018 config/alpha/alpha-protos.h, config/alpha/alpha.h,
5019 config/alpha/alpha.md, config/alpha/predicates.md,
5020 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5021 config/sparc/sol2.h: Update copyright.
5023 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5024 first label to see if it is a nonlocal label.
5026 2005-01-22 David Edelsohn <edelsohn@gnu.org>
5027 Andrew Pinski <pinskia@physics.uc.edu>
5030 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5031 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
5033 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5035 * config/rs6000/rtems.h: Update copyright.
5037 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5040 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5041 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5042 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5044 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5047 * c-typeck.c (convert_arguments): Check for error_mark_node.
5049 2005-01-21 Ian Lance Taylor <ian@airs.com>
5051 PR tree-optimization/13000
5052 * tree-inline.c: Include "tree-flow.h".
5053 (expand_call_inline): If warn_return_type, warn if non-void inline
5054 function falls through.
5055 * tree-cfg.c (execute_warn_function_return): Don't warn about
5056 control reaching end if TREE_NO_WARNING is set. Set
5058 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5060 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5061 branch if we don't need one.
5062 * c-typeck.c: Include "tree-flow.h"
5063 (c_finish_bc_stmt): Don't add a goto if the current statement
5064 list doesn't fall through to the current point.
5066 2005-01-21 Roger Sayle <roger@eyesopen.com>
5068 PR rtl-optimization/576
5069 * real.c (real_arithmetic): Change return type from void to bool
5070 to return an indication that the result may be inexact.
5071 * real.h (real_arithmeric): Update prototype.
5072 * fold-const.c (const_binop): Don't constant fold floating
5073 point expressions when the user specifies -frounding-math and
5074 the result may depend upon the run-time rounding mode.
5075 (fold_convert_const_real_from_real): Clean-up.
5076 (fold_initializer): Ignore flag_rounding_math for initializers.
5077 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5078 constant fold FP operations with flag_rounding_math if the
5079 result may depend upon the run-time rounding mode.
5081 2005-01-21 Tom Tromey <tromey@redhat.com>
5083 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5085 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
5087 * tree-cfg.c: Fix comment typos.
5089 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
5091 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5092 around the call to rest_of_handle_branch_target_load_optimize.
5094 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5096 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5097 (sparc64-*-openbsd*): Likewise.
5098 (sparclite-*-elf*): Include tm-dwarf2.h.
5099 (sparc86x-*-elf*): Likewise.
5100 (sparc64-*-elf*): Likewise.
5101 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5102 (DBX_DEBUGGING_INFO): Likewise.
5103 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5104 (PREFERRED_DEBUGGING_TYPE): Likewise.
5105 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5106 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5107 (PREFERRED_DEBUGGING_TYPE): Likewise.
5108 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5109 (PREFERRED_DEBUGGING_TYPE): Likewise.
5110 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5112 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
5115 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5117 2005-01-20 Paul Brook <paul@codesourcery.com>
5119 * doc/rtl.texi: Document value extension requirements for CONST_INT.
5121 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5123 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5124 label is first in a sequence of labels.
5126 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5128 2005-01-20 Janis Johnson <janis187@us.ibm.com>
5129 Giovanni Bajo <giovannibajo@gcc.gnu.org>
5131 * doc/sourcebuild.texi (Test Directives): New.
5133 2005-01-20 Roger Sayle <roger@eyesopen.com>
5135 * real.c (real_floor): Don't leave the result uninitialized when
5136 mode is VOIDMode, but return the unrounded intermediate value.
5137 (real_ceil): Likewise.
5139 2005-01-20 Paul Brook <paul@codesourcery.com>
5141 * config/arm/arm.md (insv): Use gen_int_mode.
5143 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5145 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5146 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5147 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5148 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5149 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5151 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5154 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5155 fbreg, so we have to assume we can't.
5156 (loc_descriptor_from_tree_1): Ditto.
5157 (containing_function_has_frame_base): New function.
5158 (add_location_or_const_value_attribute): Use it.
5159 Also try to generate a frame_base from a single element location
5162 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5164 PR tree-optimization/15349
5165 * timevar.def (TV_TREE_MERGE_PHI): New.
5166 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5168 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5169 calls to tree_forwarder_block_p.
5170 (remove_forwarder_block_with_phi, merge_phi_nodes,
5171 gate_merge_phi, pass_merge_phi): New.
5172 * tree-optimize.c (init_tree_optimization_passes): Add
5174 * tree-pass.h: Add an extern for pass_merge_phi;
5176 2005-01-20 Richard Henderson <rth@redhat.com>
5179 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5180 (_mm_castps_pd, _mm_castps_si128): New.
5181 (_mm_castsi128_ps, _mm_castsi128_pd): New.
5183 2005-01-20 Richard Henderson <rth@redhat.com>
5186 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5187 __builtin_ia32_vec_init_v2si.
5188 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5189 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5190 (ix86_init_mmx_sse_builtins): Create it.
5191 (ix86_expand_builtin): Expand it.
5192 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5193 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5194 (vec_extractv2si_0, vec_extractv2si_1): New.
5196 2005-01-20 Richard Henderson <rth@redhat.com>
5199 * config/i386/i386.c (ix86_expand_push): New.
5200 * config/i386/mmx.md (push<MMXMODE>1): New.
5201 * config/i386/sse.md (push<SSEMODE>1): New.
5202 * config/i386/i386-protos.h: Update.
5204 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5206 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5209 2005-01-20 Richard Henderson <rth@redhat.com>
5211 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5212 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5214 2005-01-19 Richard Henderson <rth@redhat.com>
5217 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5218 to V4SFmode in SSE1 fallback load path.
5220 2005-01-19 Richard Henderson <rth@redhat.com>
5222 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5223 in QImode expansion to ix86_expand_vector_set.
5224 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5226 2005-01-19 Richard Henderson <rth@redhat.com>
5229 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5230 subclass of the input class.
5231 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5232 Always true for cross-SSE1 classes. Rationalize conditionals.
5233 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5234 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
5235 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
5236 (movdi_2): Add MMX/SSE zeros.
5237 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
5238 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5239 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5240 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5241 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5242 (zero_extendsidi2_rex64_1): Remove.
5243 (MOV0 peephole): Check GENERAL_REG_P.
5245 2005-01-19 Richard Henderson <rth@redhat.com>
5248 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5250 (ix86_expand_vector_extract): Likewise.
5252 2005-01-19 Richard Henderson <rth@redhat.com>
5255 * expr.c (emit_move_change_mode): New argument force; use
5256 simplify_gen_subreg if true.
5257 (emit_move_via_alt_mode): Merge into ...
5258 (emit_move_via_integer): ... here.
5259 (emit_move_ccmode): Use emit_move_change_mode directly.
5261 2005-01-19 Richard Henderson <rth@redhat.com>
5264 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5265 (alpha_preferred_reload_class): Handle CONST_VECTOR.
5266 (alpha_emit_set_const_1): Add no_output parameter; don't emit
5268 (alpha_emit_set_const): Likewise. Make static.
5269 (alpha_emit_set_long_const): Make static.
5270 (alpha_extract_integer): Split out from alpha_expand_mov.
5271 (alpha_split_const_mov): Likewise.
5272 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
5273 (alpha_legitimate_constant_p): New.
5274 * config/alpha/alpha-protos.h: Update.
5275 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5276 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5277 * config/alpha/alpha.md (movsi): Add n alternative.
5278 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5279 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5280 (splitters for all of the above): Use alpha_split_const_mov.
5281 * config/alpha/predicates.md (non_add_const_operand): New.
5282 (non_zero_const_operand): New.
5283 (input_operand): Use alpha_legitimate_constant_p after reload.
5285 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5287 PR tree-optimization/19038
5288 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5289 (add_candidate): Add ivs with increment in latch only if
5290 allow_ip_end_pos_p is true.
5291 (determine_iv_cost): Use empty_block_p.
5293 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
5295 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5296 (compute_dominance_frontiers): Ditto.
5298 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
5301 * config/sh/t-rtems: New.
5302 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5304 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5306 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5307 the offset of the selected field.
5309 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
5311 * tree-cfg.c (remove_forwarder_block): Fix the check to
5312 prevent a nonlocal label from appearing in the middle of a
5315 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
5317 PR rtl-optimization/19462
5318 * reorg.c (find_end_label): Create return insn only if
5319 current_function_epilogue_delay_list is empty.
5321 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
5323 * doc/passes.texi: Remove paragraph mentioning new-ra.
5325 2005-01-19 Jakub Jelinek <jakub@redhat.com>
5327 PR rtl-optimization/15139
5328 * combine.c: Include params.h.
5329 (count_rtxs): New function.
5330 (record_value_for_reg): If replace_rtx would replace at least
5331 2 occurrences of REG in VALUE and TEM is really large, replace REG with
5332 (clobber (const_int 0)) instead of TEM.
5333 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5334 * params.h (MAX_LAST_VALUE_RTL): New.
5335 * Makefile.in (combine.o): Depend on $(PARAMS_H).
5336 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5339 * c-typeck.c (digest_init): Only call build_vector if all constructor
5340 elements are *_CST nodes.
5341 * gimplify.c (gimplify_init_constructor): Likewise.
5344 * c-typeck.c (digest_init): Only call build_vector if inside_init
5347 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5349 * toplev.c (init_asm_output): Remove dead #ifdef.
5351 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
5353 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5355 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5357 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5358 accessing DECL_FUNCTION_CODE.
5359 * dojump.c (do_jump): Likewise.
5360 * gimplify.c (gimplify_call_expr): Likewise.
5361 * predict.c (expr_expected_value): Likewise.
5362 (strip_builtin_expect): Likewise.
5363 * tree-inline.c (estimate_num_insns_1): Likewise.
5364 * tree-ssa-loop-im.c (stmt_cost): Likewise
5365 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5366 (tree_expr_nonnegative_p): Likewise.
5368 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5370 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5371 variant of the load_pcrel_sym pattern.
5372 * config/sparc/sparc.md (P macro): Move to the top.
5373 (load_pcrel_sym): Macroize using P.
5374 (save_register_window): Likewise.
5376 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
5378 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5381 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5384 * c-typeck.c (build_asm_expr): Strip nops off
5385 input memory operands.
5387 2005-01-18 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5390 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5391 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5392 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5394 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
5397 * config/i386/i386.c (override_options): If the 80387 is disabled,
5398 then do not return FP values using FP registers.
5400 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
5402 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5403 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5404 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5405 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5406 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5407 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5408 output.h, postreload-gcse.c, postreload.c, recog.c,
5409 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5410 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5411 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5412 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5413 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5414 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5415 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5416 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5418 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5419 config/alpha/alpha.c, config/arm/vfp.md,
5420 config/i386/emmintrin.h, config/i386/i386-modes.def,
5421 config/i386/i386-protos.h, config/i386/i386.h,
5422 config/i386/pmmintrin.h, config/i386/ppro.md,
5423 config/i386/predicates.md, config/i386/xmmintrin.h,
5424 config/i860/i860.c, config/ia64/ia64-modes.def,
5425 config/ia64/ia64-protos.h, config/ia64/ia64.h,
5426 config/ia64/ia64.md, config/ia64/itanium1.md,
5427 config/ia64/itanium2.md, config/ia64/predicates.md,
5428 config/iq2000/iq2000.h, config/mips/linux64.h,
5429 config/rs6000/aix41.h, config/rs6000/aix43.h,
5430 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5431 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5432 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5433 config/sparc/linux64.h, config/sparc/litecoff.h,
5434 config/sparc/sp64-elf.h, config/sparc/sparc.c,
5435 config/sparc/sparc.h, config/sparc/sparc.md,
5436 config/sparc/sysv4-only.h: Update copyright.
5438 2005-01-18 Richard Henderson <rth@redhat.com>
5441 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5443 2005-01-18 Marc Espie <espie@openbsd.org>
5444 * config/i386/openbsdelf.h: Typo.
5446 2005-01-18 Richard Henderson <rth@redhat.com>
5448 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5449 special case for sse.
5450 * config/i386/predicates.md (sse_comparison_operator): Likewise.
5452 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
5454 * tree-inline.c (estimate_num_insns_1): Added cases for
5455 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5457 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5459 PR rtl-optimization/19296
5460 * combine.c (simplify_comparison): Rewrite the condition under
5461 which a non-paradoxical SUBREG of a PLUS can be lifted when
5462 compared against a constant.
5464 2005-01-18 Andi Kleen <ak@muc.de>
5466 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5467 * c.opt (-Wpointer-sign): Add.
5468 * doc/invoke.texi: (-Wpointer-sign): Add.
5470 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5472 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5473 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5474 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5475 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5476 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5477 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
5478 for TARGET_MIX_SSE_I387.
5479 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5480 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5481 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5482 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5483 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5484 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
5485 TARGET_MIX_SSE_I387.
5486 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5489 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5492 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5493 Add movaps alternative for xmm reg->reg move.
5495 2005-01-17 Jeff Law <law@redhat.com>
5497 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5498 at the end of the main DOM loop rather than just before DOM exits.
5500 2005-01-17 Diego Novillo <dnovillo@redhat.com>
5502 PR tree-optimization/19121
5503 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5504 adding aliases to a name tag, also add them to the pointer's
5506 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5507 sensitive alias info at all. Only check that the two pointers
5508 have compatible pointed-to sets.
5509 * tree-ssa.c (verify_name_tags): Verify that the alias set of
5510 a pointer's type tag is a superset of the alias set of the
5513 2005-01-17 James E Wilson <wilson@specifixinc.com>
5516 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
5517 comment to document why.
5519 2005-01-17 Richard Henderson <rth@redhat.com>
5521 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5522 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5523 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5524 sse2_vmsminv2df3_finite): New.
5525 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5526 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5527 Force op1 into register.
5529 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
5531 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5532 bubblestrap from always rebuilding build directory.
5534 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
5536 * config/s390/s390.md ("*clc"): Remove incorrect '='.
5537 ("*cmpmem_short"): Likewise.
5539 2005-01-17 Steven Bosscher <stevenb@suse.de>
5541 * basic-block.h: Document BB_* flags.
5542 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5543 use an sbitmap instead.
5544 * sched-rgn.c (compute_trg_info): Likewise.
5546 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
5548 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
5549 redundant target_cpu_default and extra_parts lines. Use the default
5551 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5552 (SUBTARGET_EXTRA_SPECS): Delete.
5553 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
5554 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5555 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5556 and "n32" for -mabi=n32.
5558 2005-01-17 Ian Lance Taylor <ian@airs.com>
5561 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5562 fold constant variables into initial values.
5564 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5566 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5568 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5569 through the statements backward.
5571 2005-01-17 Ian Lance Taylor <ian@airs.com>
5573 PR middle-end/13127:
5574 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5575 a variable set to the return value of the inlined function.
5577 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
5579 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5580 when modes are tieable.
5582 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
5584 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5585 of pthread_create to find out if threads are enabled.
5586 * gthr-posix95.h (__gthread_active_p): Likewise.
5588 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5590 * common.opt (-fnew-ra): Remove.
5592 * toplev.h (flag_new_regalloc): Remove.
5593 * Makefile.in (ra*.*): Don't mention.
5594 * passes.c (rest_of_handle_new_regalloc): Remove.
5595 (rest_of_handle_combine, rest_of_compilation): Always consider
5596 flag_new_regalloc as false.
5597 * doc/invoke.texi: Don't document -fnew-ra.
5599 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5601 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5602 last parameter to reg_scan.
5603 * loop.c (loop_optimize): Likewise.
5604 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5605 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5606 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5607 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5608 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5609 * regclass.c (reg_scan): Likewise, for the declaration.
5610 * rtl.h (reg_scan): Likewise, for the prototype.
5612 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5614 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5615 mark_dfs_back_edges.
5617 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
5619 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5620 (compute_avail): Uses don't go in tmp_gen.
5622 2005-01-16 Steven Bosscher <stevenb@suse.de>
5624 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5625 loop to look for a free slot in a page entry.
5627 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5630 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5631 * toplev.c (compile_file): Call process_pending_assemble_output_defs
5632 just before targetm.asm_out.file_end.
5633 * tree.h (process_pending_assemble_output_defs): Declare.
5634 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5636 (assemble_alias): Defer generation of assembly code for defines when
5637 TARGET_DEFERRED_OUTPUT_DEFS is true.
5638 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5639 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5640 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5642 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5645 * pa.c (pa_scalar_mode_supported_p): New function.
5646 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5647 * pa.h (MIN_UNITS_PER_WORD): Add comment.
5649 * pa-protos.h (prefetch_operand): Delete.
5650 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5651 * pa.c (prefetch_operand): Delete.
5652 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5653 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5654 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
5655 and prefetch_nocc_operand.
5656 * pa.md (prefetch): Rework to avoid reload problems handling short
5657 displacements when a cache control completer needs to be provided.
5658 (prefetch_32, prefetch_64): Delete.
5659 (prefetch_cc, prefetch_nocc): New patterns.
5661 2005-01-15 David Edelsohn <edelsohn@gnu.org>
5663 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5665 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5668 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5669 exceeds maximum alignment for global common data.
5670 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5671 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5673 2004-01-15 Roger Sayle <roger@eyesopen.com>
5675 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5677 2004-01-15 Roger Sayle <roger@eyesopen.com>
5679 * harg-reg-set.h (reg_class_names): Prototype global array.
5680 * regclass.c (reg_class_names): Declare here and initialize to
5682 (dump_regclass): Remove local declaration of reg_class_names.
5683 (regclass): Likewise.
5684 * cfg.c (dump_flow_info): Likewise.
5685 * ra-debug.c (reg_class_names): Likewise.
5686 * regrename.c (reg_class_names): Likewise.
5687 * reload.c (reg_class_names): Likewise.
5688 * reload1.c (spill_failure): Likewise.
5689 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5691 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
5693 * config/s390/s390.md ("reload_outti"): Remove predicate for
5694 output operand. Abort if operand is not a MEM.
5695 ("reload_outdi", "reload_outdf"): Likewise.
5697 2005-01-15 Marc Espie <espie@openbsd.org>
5699 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5700 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5701 * config/openbsd.h: Fix C++ includes for native configurations.
5702 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
5703 Add trampoline support.
5704 * config/i386/openbsdelf.h: New.
5706 2005-01-15 Marc Espie <espie@openbsd.org>
5708 * collect2.c (main): Explicitly parse -dynamic-linker option.
5710 2005-01-15 Jakub Jelinek <jakub@redhat.com>
5712 PR tree-optimization/19060
5713 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5714 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5715 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5716 and handle extract_range_from_cond returning false.
5717 * fold-const.c (fold): Optimize comparisons with min/max even for
5718 width > HOST_BITS_PER_WIDE_INT.
5720 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
5722 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5723 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5724 Remove little endian multilib variants.
5725 Add mips32 multilib variant.
5727 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
5729 * explow.c (copy_all_reg, stabilize): Remove.
5730 * expr.h: Remove the corresponding prototypes.
5732 * rtlanal.c (regs_set_between_p): Remove.
5733 * rtl.h: Remove the corresponding prototype.
5735 2005-01-14 David Edelsohn <edelsohn@gnu.org>
5737 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5738 to rs6000_nonimmediate_operand.
5739 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5740 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5741 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5742 rs6000_nonimmediate_operand.
5743 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5744 rs6000_nonimmediate_operand.
5746 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
5748 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5750 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5752 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5754 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5755 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5757 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5758 (rs6k_nonimmediate_operand): New.
5759 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5761 (legitimate_lo_sum_address_p): Same.
5762 (rs6000_legitimize_address): Same.
5763 (rs6000_legitimize_reload_address): Same.
5764 (rs6000_legitimate_address): Same.
5765 (spe_build_register_parallel): Pass DF and DC modes in a DI
5768 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5769 to rs6k_nonimmediate_operand.
5771 * config/rs6000/spe.md ("*frob_df_di"): New.
5772 ("*frob_di_df"): New.
5773 ("*frob_di_df_2"): New.
5774 ("*mov_sidf_e500_subreg0"): New.
5775 ("*mov_sidf_e500_subreg4"): New.
5776 ("*movdf_e500_double"): Change predicate to
5777 rs6k_nonimmediate_operand.
5779 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5781 * postreload.c (move2add_note_store): Only call
5782 trunc_int_for_mode on scalar integers.
5784 2005-01-14 Steven Bosscher <stevenb@suse.de>
5786 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5787 replace BB_VISITED uses.
5788 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5789 (propagate_necessity): Check the bitmap instead of BB_VISITED.
5790 (tree_dce_done): Free visited_control_parents.
5791 (perform_tree_ssa_dce): Allocate and clear it.
5792 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5793 (compute_antic): Iterate from here using a DFS. Use an sbitmap
5794 instead of BB_VISITED.
5796 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
5798 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5799 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5800 Remove unused prototypes.
5802 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5804 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5805 64-bit register usage.
5806 (spe_func_has_64bit_regs_p): Add FIXME note.
5808 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5810 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5811 flag_finite_math_only with flag_unsafe_math_optimizations.
5813 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
5815 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5817 (__tpf_eh_return): Copy TPF private stack area from the module
5818 boundary stack frame. Add check for when module addresses are
5819 equal, but no stub address is found.
5821 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
5824 * arm.h (struct machine_function): Add call_via field.
5825 (thumb_call_via_label): Declare.
5826 * arm.c (thumb_call_via_label): New variable.
5827 (thumb_call_reg_needed): New variable.
5828 (arm_output_function_epilogue): For Thumb code, output any per-function
5829 call-indirect trampolines.
5830 (thumb_call_via_reg): New function.
5831 (arm_file_end): New function.
5832 (TARGET_ASM_FILE_END): Call arm_file_end.
5833 (aof_file_end): Likewise.
5834 * arm-protos.h (thumb_call_via_reg): Declare.
5835 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5836 thumb_call_via_reg in normal case.
5838 2005-01-14 Jakub Jelinek <jakub@redhat.com>
5841 PR rtl-optimization/19348
5842 * recog.c (peephole2_optimize): Do global life update if some peephole
5843 decides it doesn't need at least one of its inputs and that change
5844 influences liveness at the start of the basic block.
5846 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5847 arguments instead of 1.
5849 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
5852 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5853 zero for nested functions needing a static chain or functions
5854 with a non-constant address.
5856 2005-01-13 Roger Sayle <roger@eyesopen.com>
5858 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5859 (and (sign_extend X) C) into (zero_extend (and X C)).
5861 2005-01-13 David O'Brien <obrien@FreeBSD.org>
5863 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
5865 2005-01-13 Richard Henderson <rth@redhat.com>
5870 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5871 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5872 not just TARGET_SSE.
5873 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
5874 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5875 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5876 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5877 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5878 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5879 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5880 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5881 (movdicc_c_rex64): Rename with '*'.
5882 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5883 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5884 (movsfcc_1_387): Rename from movsfcc_1.
5885 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5886 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5887 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5888 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5889 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5890 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5891 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5892 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5893 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5894 sse_movdfcc_const0_4): Remove.
5895 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5896 recognize min/max early. Update for changed sse cmove patterns.
5897 (ix86_split_sse_movcc): New.
5898 * config/i386/i386-protos.h: Update.
5900 2005-01-13 Steven Bosscher <stevenb@suse.de>
5902 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5903 (fix_stmt_v_may_defs): Likewise.
5905 2005-01-13 Richard Henderson <rth@redhat.com>
5907 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5908 for converting the mask.
5910 2005-01-13 David Edelsohn <edelsohn@gnu.org>
5912 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5915 2005-01-13 Richard Henderson <rth@redhat.com>
5917 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5918 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5919 IX86_BUILTIN_MOVDQ2Q): Remove.
5920 (IX86_BUILTIN_VEC_EXT_V4SI): New.
5921 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5922 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5924 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5925 (sse2_pextrw): Fix immediate constraint.
5926 (sse2_loadq, sse2_loadq_rex64): Remove.
5927 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5928 Use __builtin_ia32_vec_ext_<size>.
5929 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5931 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
5933 * function.c (assign_parm_setup_block): Look inside original
5934 entry_parm when inspecting PARALLEL.
5936 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5937 Joel Sherrill <joel@oarcorp.com>
5940 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5941 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5942 rtems_gxx_recursive_mutex_init.
5943 (__gthread_recursive_mutex_lock): New function.
5944 (__gthread_recursive_mutex_trylock): Likewise.
5945 (__gthread_recursive_mutex_unlock): Likewise.
5947 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5949 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5951 2005-01-13 Jan Beulich <jbeulich@novell.com>
5953 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5954 (ashrti3_internal): Indicate output is early clobber. Generate result
5955 into output rather than first input. Use move for low word of output
5956 if shift count is exactly 64.
5957 (lshrti3_internal): Likewise.
5959 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
5963 * reload1.c (delete_output_reload): Don't delete an output reload
5964 if the pseudo lives longer than a single basic block. Adjust and
5965 improve wording of comment.
5967 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
5970 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5971 of TYPE_SIZE where we mean the number of bytes.
5973 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
5975 * function.c (assign_parm_setup_block): Relax condition on
5976 multi-register optimization.
5978 2005-01-12 Nick Clifton <nickc@redhat.com>
5980 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5981 an "in_delay_slot" attribute of "no" to prevent them being used in
5982 delay slots. This is forbidden because they might generate
5985 2005-01-12 Alan Modra <amodra@bigpond.net.au>
5988 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5991 2005-01-12 Nick Clifton <nickc@redhat.com>
5993 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5994 passed on to GAS) but do not define, as GAS no longer supports or
5995 needs the -m2000 option.
5997 2005-01-11 Roger Sayle <roger@eyesopen.com>
5999 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6000 type as args of unprototyped builtins aren't automatically promoted.
6001 (fold_builtin_abs): Likewise.
6003 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6005 * Makefile.in: Set a `build-warn' variable.
6007 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6009 PR tree-optimization/17949
6010 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6011 (find_interesting_uses_address): Use it.
6013 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
6015 * regrename.c (kill_value): Handle subreg's that won't simplify.
6017 2005-01-11 Richard Henderson <rth@redhat.com>
6020 * config/i386/i386.h (enum ix86_builtins): Move ...
6021 * config/i386/i386.c: ... here.
6022 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6023 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6024 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6025 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6026 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
6027 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6028 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6029 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6030 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6031 IX86_BUILTIN_LOADDDUP): Remove.
6032 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6033 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6034 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6035 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6036 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6037 (ix86_init_builtins): Make static.
6038 (ix86_init_mmx_sse_builtins): Update for changed builtins.
6039 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6040 if all the modes match. Otherwise, fake it.
6041 (get_element_number, ix86_expand_vec_init_builtin,
6042 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6043 (ix86_expand_builtin): Make static. Update for changed builtins.
6044 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6045 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
6046 (ix86_expand_vector_init_duplicate): New.
6047 (ix86_expand_vector_init_low_nonzero): New.
6048 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6049 Split out from ix86_expand_vector_init; handle integer modes.
6050 (ix86_expand_vector_init): Use them.
6051 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6052 * config/i386/i386-protos.h: Update.
6053 * config/i386/predicates.md (reg_or_0_operand): New.
6054 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6055 (movv2sf_internal): Likewise. And a splitter to match them all.
6056 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6057 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6058 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6059 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6060 (mmx_pinsrw): Fix operand ordering.
6061 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6062 rather than sse_loadss expander.
6063 (movv2df splitter): Similarly.
6064 (sse_loadss, sse_loadlss): Remove.
6065 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6066 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6067 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6068 (sse3_movddup): Rename with '*'.
6069 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6070 (sse2_loadsd): Remove.
6071 (vec_dupv2df_sse3): Rename from sse3_loadddup.
6072 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6073 (sse2_pinsrw): Fix argument ordering.
6074 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6075 (sse2_stored): Remove 'r' destination.
6076 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6077 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6078 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6079 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6080 vec_extractv16qi, vec_initv16qi): New.
6082 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6083 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6084 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6086 (_mm_load_pd, _mm_store_pd): Use plain dereference.
6087 (_mm_load_si128, _mm_store_si128): Likewise.
6088 (_mm_load1_pd): Use _mm_set1_pd.
6089 (_mm_load_sd): Use _mm_set_sd.
6090 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6091 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6092 (_mm_set_epi64): Use _mm_set_epi64x.
6093 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6094 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6095 _mm_setr_epi8): Use _mm_set_foo form.
6096 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6097 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6098 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6099 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6100 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6101 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6102 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6103 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6104 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6105 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6106 (_mm_movedup_pd): Use _mm_shuffle_pd.
6107 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6108 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6109 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6110 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6112 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6113 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6114 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6115 (_mm_store_ps): Use raw dereference.
6116 (_mm_store1_ps): Use _mm_storeu_ps.
6117 (_mm_storer_ps): Use _mm_store_ps.
6118 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6119 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6121 2005-01-11 Stan Shebs <shebs@apple.com>
6123 * config/rs6000/rs6000.c (machopic_output_stub): Issue
6124 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6126 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6129 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6130 Skip all DECLs except for FIELD_DECLs.
6132 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6134 * config/s390/s390.c (override_options): Return error if
6135 -mbackchain, -mpacked-stack and -mhard-float are used together.
6136 (s390_va_start): Remove the backchain && packed-stack special case.
6137 (s390_gimplify_va_arg): Likewise.
6138 * doc/invoke.texi: Remove the ABI incompatibility note.
6140 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6142 * config/s390/s390.c (struct s390_frame_layout): Remove
6144 (s390_frame_info, s390_emit_prologue): Replace occurrences of
6145 save_backchain_p with TARGET_BACKCHAIN.
6147 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6150 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6151 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6152 * function.c (locate_and_pad_parm): Set new field.
6153 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6154 Tweak where_pad test to include "none". Always set mem align for
6156 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6157 not sufficient for type.
6158 (assign_parm_setup_block): If stack_parm is zero on entry, always
6159 make a new stack local. Block move old stack parm if necessary
6160 to new aligned stack local.
6161 (assign_parm_setup_stack): Use a block move to handle
6162 potentially misaligned entry_parm.
6163 (assign_parms_unsplit_complex): Specify required alignment when
6164 creating stack local.
6165 * calls.c (compute_argument_addresses): Override alignment of stack
6166 arg calculated from its type with the alignment given by
6167 FUNCTION_ARG_BOUNDARY.
6168 (store_one_arg): Likewise.
6170 2005-01-11 Jan Beulich <jbeulich@novell.com>
6172 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6173 Change respective itanium_class attribute to ialu.
6174 (shladdp4_internal): New.
6175 * config/ia64/predicates.md (shladd_log2_operand): New.
6177 2005-01-11 Richard Henderson <rth@redhat.com>
6179 * expr.c (store_constructor): Use rtvec_alloc instead of
6180 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6182 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
6184 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6186 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6188 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6189 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6190 (TARGET_RWRELOC): Define.
6191 (ia64_rwreloc_section_type_flags): Delete.
6192 (ia64_section_type_flags): New function.
6193 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6194 (TARGET_RWRELOC): Define.
6196 2005-01-10 David Mosberger <davidm@hpl.hp.com>
6199 * config/ia64/ia64.c (process_set): For alloc insn, only call
6200 process_epilogue is !frame_pointer_needed.
6202 2005-01-10 Roger Sayle <roger@eyesopen.com>
6205 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6206 unary operator and can't be treated as a binary/comparison operator.
6208 2005-01-10 Richard Henderson <rth@redhat.com>
6210 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6211 (ix86_return_in_memory): Likewise.
6212 (function_arg_advance): Likewise. Mirror structure in function_arg
6213 for choosing register to advance.
6215 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
6217 * tree-vectorizer.c, tree.def: Fix comment typos.
6219 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
6221 * config/s390/s390.c (struct processor_costs): 4 new fields:
6222 ddbr, ddr, debr, der.
6223 (s390_rtx_costs): More precise handling of divide instructions.
6225 2005-01-10 David Edelsohn <edelsohn@gnu.org>
6227 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6229 2005-01-10 Jan Beulich <jbeulich@novell.com>
6231 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6232 names resulting from -ffunction-sections/-fdata-sections and linkonce
6234 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6235 based on the section name. Rearrange the section name comparison logic
6236 slightly so that each section name is compared against at most once.
6238 2005-01-10 Ben Elliston <bje@au.ibm.com>
6240 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6241 targets for which -fPIC reduces limitations on the GOT size.
6243 2005-01-09 Falk Hueffner <falk@debian.org>
6245 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6248 2005-01-09 David Edelsohn <edelsohn@gnu.org>
6251 * collect2.c (main): Set aixrtl_flag for -brtl option.
6252 (resolve_lib_name): Search for .so file extension before .a
6255 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
6257 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6258 (vect_analyze_data_refs_alignment): Add dump prints.
6260 2005-01-09 Ira Rosen <irar@il.ibm.com>
6262 * tree-vectorizer.c (vect_analyze_offset_expr): Use
6263 expr_invariant_in_loop_p.
6264 Initialize outputs first thing in the function.
6265 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6266 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6267 (vect_analyze_pointer_ref_access): Check that the initial condition of
6268 the access function is loop invariant.
6270 2005-01-09 Richard Henderson <rth@redhat.com>
6272 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6273 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
6274 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
6275 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6276 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6277 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6278 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6279 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6280 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6281 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6282 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6283 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6284 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6285 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6286 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6287 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6288 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6289 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6290 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6291 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6292 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6293 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6294 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6296 (mmx_clrdi, pavgusb): Remove.
6297 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6298 with leading sse_ prefix.
6299 * config/i386/sse.md: Receive them.
6300 * config/i386/mmx.md: New file.
6301 (MMXMODE12, MMXMODE24, mmxvecsize): New.
6302 (subrv2sf3): Turn into expander for normal subtraction.
6303 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6304 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6305 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6306 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6307 commutative; use ix86_binary_operator_ok.
6308 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6309 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6310 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6311 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6312 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6313 Macroize from existing patterns; use ix86_binary_operator_ok.
6314 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6315 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6316 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
6317 with vec_select+vec_concat.
6318 (mmx_pshufw, mmx_pshufw_1): Likewise.
6319 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
6320 (mmx_uavgv4hi3): Model correctly.
6321 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6322 _mm_xor_si64): Remove casts.
6324 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
6326 PR tree-optimization/19224
6327 * tree-scalar-evolution.c (get_instantiated_value,
6328 set_instantiated_value): New functions.
6329 (instantiate_parameters_1): Cache the results.
6330 (instantiate_parameters, resolve_mixers): Initialize and free
6333 2005-01-08 David Edelsohn <edelsohn@gnu.org>
6335 * config/i386/i386.md (addhi_4): Correct reference in comment.
6338 2005-01-08 Richard Henderson <rth@redhat.com>
6340 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6341 (_mm_cvtsi128_si64x): Likewise.
6342 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6343 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6344 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6345 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6346 * config/i386/i386-protos.h: Update.
6347 * config/i386/i386.c (print_operand): Add 'H'.
6348 (ix86_fixup_binary_operands): Split out from ...
6349 (ix86_expand_binary_operator): ... here.
6350 (ix86_fixup_binary_operands_no_copy): New.
6351 (ix86_expand_fp_absneg_operator): Handle vector mode results.
6352 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6353 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6354 (safe_vector_operand): Use CONST0_RTX.
6355 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6356 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6357 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
6358 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
6360 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6361 (IX86_BUILTIN_CMPNGESS): New.
6362 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6363 (attr type): Add sselog1.
6364 (attr unit, attr memory): Handle it.
6365 (movti, movti_internal, movti_rex64): Move near other integer moves.
6366 (movtf, movtf_internal): Move near other fp moves.
6367 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6368 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6369 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6370 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6371 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6372 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6373 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6374 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6375 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6376 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6377 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6378 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6379 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6380 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6381 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6382 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6383 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6384 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6385 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6386 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6387 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6388 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6389 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6390 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6391 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6392 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6393 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6394 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6395 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6396 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6397 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6398 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6399 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6400 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6401 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6402 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6403 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6404 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6405 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6406 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6407 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6408 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6409 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
6410 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6412 (SSEPUSH, push<SSEPUSH>): Remove.
6413 (MMXPUSH, push<MMXPUSH>): Remove.
6414 (sse_movaps, sse_movaps_1, sse_movups): Remove.
6415 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6416 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6417 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6418 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6419 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6420 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6421 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6422 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6423 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6424 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6425 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
6426 (ppro_sse_log_V4SF): Handle sselog1.
6427 * config/i386/predicates.md (const_0_to_1_operand): New.
6428 (const_0_to_255_mul_8_operand): New.
6429 (const_1_to_31_operand): Rename from const_int_1_31_operand.
6430 (const_2_to_3_operand, const_4_to_7_operand): New.
6431 * config/i386/sse.md: New file.
6432 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6433 (sse_movups): Rename from sse_movups_1.
6434 (sse_loadlss): Rename from sse_loadss_1.
6435 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6437 (negv4sf2): Use ix86_expand_fp_absneg_operator.
6438 (absv4sf2, negv2df, absv2df): New.
6439 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6440 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6441 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6442 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6443 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6444 (sse3_addsubv4sf3): Model correctly.
6445 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6446 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6447 (sse_movhlps): Model with vec_select+vec_concat.
6448 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6449 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6450 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6451 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6452 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6453 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6454 sse2_pshufhw_1): Likewise.
6455 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6456 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6457 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6458 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6459 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6460 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6461 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6462 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6463 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6464 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6465 sminv8hi3): Mark commutative
6466 operands. Use ix86_binary_operator_ok.
6467 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6468 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6469 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6470 sse2_punpcklqdq): Allow operand2 in memory.
6471 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6472 sse2_movsd): Add memory alternatives.
6473 (sse_storelps): Turn expander into an insn; split after reload.
6474 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6475 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6477 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6479 * configure.ac (DWARF-2 debug_line): Use objdump.
6480 * configure: Regenerate.
6482 2005-01-08 Jeff Law <law@redhat.com>
6483 Diego Novillo <dnovillo@redhat.com>
6485 PR tree-optimization/18241
6486 * tree-nrv.c (tree_nrv): Ignore volatile return values.
6487 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6488 statements with volatile operands.
6489 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6490 operands after marking a statement with has_volatile_ops.
6492 2005-01-08 Roger Sayle <roger@eyesopen.com>
6494 * tree.c (int_fits_type_p): Always honor integer constant
6495 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6497 2005-01-08 Roger Sayle <roger@eyesopen.com>
6499 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6500 the latent bug in rtl_delete_block has been resolved.
6502 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6504 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6505 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6507 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6509 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6510 library as @multilib_dir@/$(SHLIB_SONAME).
6512 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6514 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6515 * configure: Regenerate.
6517 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6519 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6522 2005-01-07 David Edelsohn <edelsohn@gnu.org>
6525 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6526 Convert non-word aligned offset address using ld/std into
6529 2005-01-07 Richard Henderson <rth@redhat.com>
6531 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6533 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
6535 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6537 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6539 PR tree-optimization/19283
6540 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6541 is not shorter than the original type.
6543 PR rtl-optimization/19012
6544 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6546 PR rtl-optimization/18861
6547 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6548 (FULL_STATE): Define.
6549 (mark_tablejump_edge): New function.
6550 (purge_dead_tablejump_edges): New function.
6551 (find_bb_boundaries): Use it.
6553 PR tree-optimization/18828
6554 * builtins.c (expand_builtin_next_arg): Remove argument and all
6555 the argument checking.
6556 (expand_builtin): Adjust caller.
6557 (expand_builtin_va_start): Likewise. Remove error for too many
6559 (fold_builtin_next_arg): Issue error for too many arguments.
6560 After checking arguments, replace them with magic arguments that
6561 prevent further checking of the args.
6563 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6565 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6567 2005-01-06 Roger Sayle <roger@eyesopen.com>
6570 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6571 and %{.S:...} (and their negative variants) to test whether the
6572 input file is assembler or pre-processed-assembler independent of
6573 the actual filename extension.
6575 2005-01-06 Roger Sayle <roger@eyesopen.com>
6577 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6578 of sign or zero extended values.
6580 2005-01-06 Geoffrey Keating <geoffk@apple.com>
6582 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6583 for IBM long double format correctly.
6585 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
6587 Fix PR tree-optimization/18792
6589 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6590 to first_loop_depth, and use loop depth instead of loop number.
6591 (build_classic_dir_vector): Ditto.
6592 (compute_data_dependences_for_loop): Use depth, not loop number.
6593 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6594 number. Pass in loops, instead of loop numbers.
6595 (gather_interchange_stats): Ditto.
6596 (linear_transform_loops): Ditto.
6598 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
6601 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6602 biv_fits_mode_p, extension_within_bounds_p): New functions.
6603 (check_ext_dependent_givs): Use them.
6605 2005-01-06 Roger Sayle <roger@eyesopen.com>
6607 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6608 more than one barrier, in which case we should delete them all.
6610 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
6612 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6614 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
6616 Fix PR middle-end/19286
6618 * dwarf2out.c (gen_subprogram_die): If we've already tried to
6619 output this subprogram, simply ignore this attempt to do it again.
6620 (add_abstract_origin_attribute): Don't abort trying to add the abstract
6621 origin attribute if it's not possible.
6622 (gen_block_die): Don't ignore subblocks of "unused" blocks.
6623 (decls_for_scope): Ditto.
6624 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6625 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6627 2005-01-05 Richard Henderson <rth@redhat.com>
6630 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6631 (bdesc_2arg): Use it.
6632 (ix86_expand_binop_builtin): Force operands into registers
6634 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6635 ix86_expand_sse_compare, ix86_expand_sse_comi,
6636 ix86_expand_builtin): Likewise.
6638 2005-01-05 Richard Henderson <rth@redhat.com>
6640 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6642 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6643 (mulv4hi3): Set itanium_class mmmul.
6644 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6645 (fpack): Rename from fpack_sfsf.
6647 2005-01-05 Richard Henderson <rth@redhat.com>
6650 * reload1.c (do_input_reload): Restrict the optimization deleteing
6651 a previous output reload to RELOAD_FOR_INPUT.
6653 2005-01-05 Steven Bosscher <stevenb@suse.de>
6655 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
6656 comment that we fall through after case.
6657 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6658 (distribute_links): Likewise.
6659 * cse.c (cse_insn): Likewise.
6660 * cselib.c (cselib_invalidate_mem): Likewise.
6661 * df.c: Update comments at the top of the file.
6662 (read_modify_subreg_p): Update comments here too.
6663 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6664 * flow.c (mark_set_1): Likewise.
6665 (mark_used_regs): Likewise.
6666 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6667 (canon_list_insert): Likewise.
6668 (mark_set): Likewise.
6669 (try_replace_reg): Likewise.
6670 (store_killed_in_insn): Likewise.
6671 * loop.c (count_one_set): Likewise.
6672 (basic_induction_var): Likewise.
6673 * postreload-gcse.c (find_mem_conflicts): Likewise.
6674 * postreload.c (reload_combine_note_store): Likewise.
6675 (move2add_note_store): Likewise.
6676 * reload.c (find_equiv_reg): Likewise.
6677 (mark_referenced_resources): Likewise.
6678 * rtlanal.c (set_noop_p): Likewise.
6679 (note_stores): Likewise.
6680 (note_uses): Likewise.
6681 * sched-deps.c (sched_analyze_1): Likewise.
6682 * sched-rgn.c (check_live_1): Likewise.
6683 (update_live_1): Likewise.
6684 * config/i860/i860.c: Likewise.
6686 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6688 (ZERO_EXTRACT): Mention that this one can be an lvalue.
6690 * doc/rtl.texi: Update documentation for bit-fields and SET.
6692 2005-01-05 Roger Sayle <roger@eyesopen.com>
6694 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6696 2005-01-05 Jan Hubicka <jh@suse.cz>
6697 Richard Henderson <rth@redhat.com>
6700 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6703 2005-01-05 Richard Henderson <rth@redhat.com>
6706 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6707 (sse_shufps): Change operand 3 to const_int_operand.
6708 (sse2_storelps): Fix typo in template.
6709 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6710 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6711 (ix86_expand_builtin): Likewise.
6713 2005-01-05 Julian Brown <julian@codesourcery.com>
6715 * config/arm/arm.c (arm_return_in_memory): Treat complex types
6716 as aggregates for AAPCS ABIs.
6718 2005-01-05 Stan Shebs <shebs@apple.com>
6720 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6721 Mach-O getters if ppc64.
6722 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6724 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6725 signed four-byte field for global code case.
6726 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6728 2005-01-05 Roger Sayle <roger@eyesopen.com>
6731 * c-common.c: Include real.h.
6732 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6733 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6734 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6735 * Makefile.in (c-common.o): Update dependencies.
6737 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6739 * c-parse.in (asm_string): Add trailing semicolon.
6741 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6743 * c-parse.in (asm_string): New. Don't allow wide strings in
6745 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6746 asm_string instead of STRING.
6748 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6750 * c-typeck.c (constructor_no_implicit): Remove.
6751 (set_designator, process_init_element): Don't check
6752 constructor_no_implicit.
6754 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
6755 Kaz Kojima <kkojima@gcc.gnu.org>
6758 * lcm.c (create_pre_exit): New.
6759 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6760 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
6762 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6764 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6765 -msoft-float in target_float_switch.
6766 * arm.c (arm_override_options): Fix processing of target_float_switch.
6768 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6770 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6773 2004-01-05 Uros Bizjak <uros@kss-loka.si>
6775 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6776 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6778 2005-01-04 Roger Sayle <roger@eyesopen.com>
6780 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6781 if deleting the then-block allows the test-block to fallthru to the
6784 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
6787 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6788 after the full declaration if the are in two different TUs.
6790 2005-01-04 Richard Henderson <rth@redhat.com>
6793 * tree-sra.c (generate_one_element_init): Just
6794 call gimplify_and_add.
6795 (generate_element_init): Record the
6796 new referenced variables and mark them for renaming
6797 and split out to ...
6798 (generate_element_init_1): This.
6799 (scalarize_init): Don't call push_gimplify_context/
6800 pop_gimplify_context.
6802 2005-01-04 Geoffrey Keating <geoffk@apple.com>
6804 * toplev.c (get_src_pwd): Handle failure of getpwd().
6806 2005-01-04 Roger Sayle <roger@eyesopen.com>
6808 * fold-const.c (fold_single_bit_test): Delete unreachable handling
6810 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6811 all the cases handled by it are inverted by invert_truthvalue.
6813 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6815 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6816 (save_register_windowsi): Likewise.
6818 2005-01-04 Richard Henderson <rth@redhat.com>
6820 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6822 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6825 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6826 any simplifications of vector mode comparison operators.
6827 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6829 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
6830 Devang Patel <dpatel@apple.com>
6832 PR tree-optimization/18308
6833 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6834 the operands before creating a new expression.
6835 * dojump.c (do_jump): Make drop_through_label available
6836 for all cases. Add expansion of COND_EXPR.
6838 2005-01-04 Ira Rosen <irar@il.ibm.com>
6840 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6841 INTEGER_CST instead of TREE_CONSTANT.
6842 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6843 instead of TREE_CONSTANT.
6844 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6845 instead of TREE_CONSTANT.
6847 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6849 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6851 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6854 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6855 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6857 2005-01-03 Richard Henderson <rth@redhat.com>
6859 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6860 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6861 fold_convert_const_real_from_real): Split out from ...
6862 (fold_convert_const): ... here.
6864 2005-01-03 Richard Henderson <rth@redhat.com>
6867 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6868 (mov<MMXMODEI>_internal): Likewise.
6869 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6870 Add V2SF case; use it for SSE1; don't use TI.
6871 (movdf_integer): Likewise.
6872 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6874 2005-01-03 Ira Rosen <irar@il.ibm.com>
6876 * tree-vectorizer.c (vect_strip_conversions): New function.
6877 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6878 check for binary class.
6880 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
6884 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6886 * gimple-low.c (mark_blocks_with_used_vars): New function.
6887 (mark_blocks_with_used_subblocks): Ditto.
6888 (mark_used_blocks): Ditto.
6889 (pass_mark_used_blocks): New pass.
6890 * tree-inline.c: Include debug.h.
6891 (expand_call_inline): Call outlining_inline_function here.
6892 * tree-optimize.c (init_tree_optimization_passes): Add
6893 pass_mark_used_blocks.
6894 * tree-pass.h (pass_mark_used_blocks): New.
6895 * Makefile.in (tree-inline.o): Add debug.h dependency.
6897 2005-01-03 Geoffrey Keating <geoffk@apple.com>
6899 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6900 VAR_DECLs to have weak_import attribute.
6902 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6905 2004-01-03 Steven Bosscher <stevenb@suse.de>
6907 * passes.c (rest_of_compilation): Don't run regmove if only
6908 flag_expensive_optimizations, require flag_regmove instead.
6910 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6912 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6914 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6915 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6916 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6917 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6919 2005-01-03 Richard Henderson <rth@redhat.com>
6921 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6922 (ia64_const_ok_for_letter_p): New.
6923 (ia64_const_double_ok_for_letter_p): New.
6924 (ia64_extra_constraint): New.
6925 (ia64_expand_vecint_compare): New.
6926 (ia64_expand_vcondu_v2si): New.
6927 (ia64_expand_vecint_cmov): New.
6928 (ia64_expand_vecint_minmax): New.
6929 (ia64_print_operand): Add 'v'.
6930 (ia64_preferred_reload_class): New.
6931 (ia64_vector_mode_supported_p): New.
6932 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6933 (PREFERRED_RELOAD_CLASS): Move to function.
6934 (CONST_OK_FOR_LETTER_P): Move to function.
6935 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6936 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6937 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6938 (EXTRA_CONSTRAINT): Move to function.
6939 * config/ia64/ia64.md: Include vect.md.
6940 (itanium_class): Add mmalua.
6942 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
6944 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6945 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6947 (const_int_2bit_operand): New.
6948 (fr_reg_or_0_operand): New.
6949 * config/ia64/ia64-modes.def: Add vector modes.
6950 * config/ia64/ia64-protos.h: Update.
6951 * config/ia64/vect.md: New file.
6953 2005-01-03 Richard Henderson <rth@redhat.com>
6955 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6957 2005-01-03 Uros Bizjak <uros@kss-loka.si>
6960 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6962 (log1pdf2): Change mode of operands[0,1] to DFmode.
6964 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6966 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6967 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6968 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6969 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6970 SPARC_RELAXED_ORDERING.
6972 2005-01-03 Richard Henderson <rth@redhat.com>
6973 Uros Bizjak <uros@kss-loka.si>
6976 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6977 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6978 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6980 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6981 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6982 const_pow2_1_to_128_operand): New predicates.
6984 2005-01-02 Greg McGary <greg@mcgary.org>
6986 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6988 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6989 object. [ptr_type]: Remove unused variable.
6990 Remember nearest addressable array-element or record-component
6991 when checking bitfield components. Tolerate empty BIND_EXPR.
6993 2005-01-01 Richard Henderson <rth@redhat.com>
6995 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6996 that don't narrow the value. Fail for other conversions.
6998 2005-01-01 Richard Henderson <rth@redhat.com>
7001 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7002 * c-lang.c (finish_file): Don't do it here.
7003 * objc/objc-act.c (objc_finish_file): Likewise.
7005 * cgraph.c (decl_assembler_name_equal): New.
7006 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7007 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7008 * cgraph.h (struct cgraph_varpool_node): Add next.
7009 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7010 * varasm.c (assemble_alias): Mark the target as needed.
7012 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
7015 * function.c (get_arg_pointer_save_area): Use entry_of_function
7016 instead of get_insns.
7018 2005-01-01 Roger Sayle <roger@eyesopen.com>
7019 Andrew Pinski <pinskia@physics.uc.edu>
7020 James E. Wilson <wilson@specifixinc.com>
7022 PR rtl-optimization/12092
7023 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7026 2005-01-01 Roger Sayle <roger@eyesopen.com>
7027 Olivier Hainque <hainque@act-europe.fr>
7029 * tree.c (int_fits_type_p): A narrower type always fits in a
7030 wider one, except for negative values into unsigned types.
7032 2005-01-01 Roger Sayle <roger@eyesopen.com>
7034 * tree.c (int_fits_type_p): Compare the result of force_fit_type
7035 with the original constant rather than require TREE_OVERFLOW.
7037 2005-01-01 Steven Bosscher <stevenb@suse.de>
7040 * c-decl.c (finish_function): If compiling C99, annotate the
7041 compiler generated return with the current file name and line 0.
7042 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7043 the source line is greater than 0.
7044 (remove_bb): Likewise.
7046 See ChangeLog.12 for earlier changes.