1 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
4 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
7 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
10 * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
11 temporary variable of pointer type if an lvalues is required.
12 (gimplify_modify_expr_rhs): Request an rvalue from it.
13 (gimplify_expr): Pass fallback on.
15 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
17 * cfgbuild.c: Update comments.
19 2005-03-14 Roger Sayle <roger@eyesopen.com>
21 PR rtl-optimization/17236
22 * optabs.c (expand_doubleword_mult): New helper function split out
23 from expand_binop. Permute the order in which instructions are
24 emitted to minimize the number of simultaneously live registers.
25 (expand_binop): Call expand_doubleword_mult to synthesize a double
28 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
30 * basic-block.h: Update the prototypes of cached_make_edge and
32 * cfg.c (cached_make_edge): Take edge_cache representing one
33 row of the adjacency matrix of edges.
34 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
35 (make_edges): Initialize edge_cache to represent one row of
36 the adjacency matrix of edges.
38 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
40 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
42 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
43 Remove unused removed_phis variable.
44 (conditional_replacement): Use build1/build2.
45 (abs_replacement): Use last_and_only_stmt and build1/build2.
47 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
49 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
50 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
51 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
52 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
53 * c-common.c (handle_novops_attribute): New function.
54 (c_common_attribute_table): Add "no vops" entry.
55 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
56 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
57 * tree-ssa-operands.c (get_call_expr_operands): Do not
58 create virtual operands for calls with ECF_NOVOPS flag.
59 * tree.h (DECL_IS_NOVOPS): New macro.
60 (struct tree_decl): Add novops_flag.
61 (ECF_NOVOPS): New constant.
63 2005-03-14 Uros Bizjak <uros@kss-loka.si>
66 * config/i386/i386.c (x86_use_himode_fiop): New.
67 (x86_use_simode_fiop): Rename from x86_use_fiop.
68 * config/i386/i386.h (x86_use_himode_fiop): Declare.
69 (TARGET_USE_HIMODE_FIOP): New.
70 (x86_use_simode_fiop): Rename from x86_use_fiop.
71 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
73 * config/i386/i386.md (X87MODEI12): New mode macro define.
74 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
75 to implement x87 FP compare with HImode input operands.
76 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
77 Use X87MODEI12 mode macro to handle HImode input operands.
78 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
79 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
80 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
81 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
82 macro to implement x87 operators with HImode input operands.
83 (fop splitters): Use X87MODEI12 mode macro to handle HImode
86 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
88 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
90 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
93 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
95 * basic-block.h (BB_VISITED): Removed.
96 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
98 2005-03-14 Falk Hueffner <falk@debian.org>
101 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
103 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
105 * ggc-zone.c: Fix comment typos.
107 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
108 stringpool.c, config/mips/mips-protos.h: Update copyright.
110 2005-03-14 Alan Modra <amodra@bigpond.net.au>
112 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
113 throughout with its typedef, "rtx".
114 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
115 (rs6000_tls_symbol_ref_1): Remove inline keyword.
116 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
117 regs in comment to match code.
119 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
121 * except.c (check_handled): Make it static.
122 * except.h: Remove the corresponding prototype.
124 * function.c (get_func_frame_size): Make it static.
125 * function.h: Remove the corresponding type.
127 * regclass.c (reg_class_superclasses, reg_class_subclasses):
129 * hard-reg-set.h: Remove the corresponding declarations.
131 * tree-cfg.c (verify_stmts): Check that
132 bb_for_stmt (stmt) == bb for every PHI node and statement.
134 2005-03-14 Alan Modra <amodra@bigpond.net.au>
136 * config.gcc: Remove excess indentation.
137 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
139 2005-03-13 Roger Sayle <roger@eyesopen.com>
142 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
143 * fold-const.c (fold_sign_changed_comparison): Likewise.
144 (fold_binary): Optimize comparisons against widened operands if
145 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
147 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
149 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
150 (sparc_override_options): Initialize it.
151 (sparc_struct_value_rtx): Set it on the MEM to be returned.
153 2005-03-13 David Edelsohn <edelsohn@gnu.org>
155 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
156 (reg_or_none500mem_operand): New predicate.
157 (zero_reg_mem_operand): New predicate.
158 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
159 to reg_or_none500mem_operand.
160 (extendsfdf2_fpr): Add MEM alternative.
161 (extenddftf2_internal): Change operand2 predicate to
162 zero_reg_mem_operand.
164 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
166 * ggc-zone.c: Rewritten.
168 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
170 * configure.ac: Define GGC_ZONE for --with-gc=zone.
171 * config.in: Regenerated.
172 * configure: Regenerated.
173 * gengtype.c (write_types_process_field, write_func_for_structure):
174 Pass new argument to gt_pch_note_object.
175 * ggc-common.c (struct ptr_data): Add TYPE.
176 (gt_pch_note_object): Take TYPE argument and save it.
177 (call_count): Update call to ggc_pch_count_object.
178 (call_alloc): Update call to ggc_pch_alloc_object.
179 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
181 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
182 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
183 (ggc_alloc_zone_stat): Delete.
184 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
185 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
186 (ggc_pch_alloc_object): Update prototypes.
187 (garbage_zone): Delete.
188 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
189 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
191 (tree_id_zone): New variable.
192 (ggc_alloc_cleared_zone): Remove unused.
193 (ggc_alloc_zone): Define.
194 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
195 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
197 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
198 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
199 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
200 (make_node_stat): Likewise. Use tree_id_zone.
202 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
203 Joseph S. Myers <joseph@codesourcery.com>
205 * configure.ac: Check for MIPS TLS.
206 * configure: Regenerated.
207 * config/mips/mips-protos.h (enum mips_symbol_type): Add
208 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
209 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
210 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
211 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
212 (mips_classify_symbol, mips_symbolic_constant_p)
213 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
214 (mips_tls_operand_p, mips_call_tls_get_addr)
215 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
216 (mips_tls_symbol_ref_1): New functions.
217 (mips_legitimize_address, mips_legitimize_const_move): Call
218 mips_legitimize_tls_address.
219 (override_options): Handle V1_REG and TLS symbols. Disable TLS
221 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
222 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
223 (mips_char_to_class): Document V1_REG.
224 (HAVE_AS_TLS): Provide default.
225 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
227 (load_got<mode>): Renamed from *load_got<mode>. Allow when
229 (tls_get_tp_<mode>): New instruction.
231 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
233 * configure.ac: Update checks for target tools.
234 * configure: Regenerated.
236 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
238 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
240 2005-03-13 Roger Sayle <roger@eyesopen.com>
242 * expmed.c (expand_mult): Use synthetic multiplication sequences for
243 more classes of DImode multiplication by constant. Allow both
244 multiplication by small negative constants (by performing a
245 multiplication by a positive constant and negating the result) and
246 multiplications by large powers of two, by using a left shift.
248 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
250 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
251 of basic blocks into work_stack.
253 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
254 config/mips/vr.h: Update copyright.
256 * c-decl.c (c_init_decl_processing): Remove useless calls to
259 * builtins.c (fold_trunc_transparent_mathfn,
260 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
261 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
262 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
263 fold_builtin_strcpy, fold_builtin_strncpy,
264 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
267 * builtins.c (expand_builtin_mathfn_3): Remove local variable
270 * lambda-code.c (lambda_compute_auxillary_space): Remove local
271 variable determinant.
273 * tree-cfg.c (group_case_labels): Remove local variable type.
275 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
278 * tree-ssa-phiopt.c (value_replacement): Remove local variable
281 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
284 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
285 (*movmemqi_insn): Delete.
288 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
290 * builtins.c (fold_builtin_classify): Take decomposed
291 arguments of CALL_EXPR.
292 (fold_builtin_1): Update a call to fold_builtin_classify.
294 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
297 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
298 through into call to parser_xref_tag after parse error.
299 (c_parser_struct_declaration): Consistently return NULL_TREE on
302 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
304 * tree-flow-inline.h (ref_contains_array_ref): New function.
305 (lookup_subvars_for_var): Ditto.
306 (get_subvars_for_var): Ditto.
307 (var_can_have_subvars): Ditto.
309 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
310 (struct subvar): New type.
312 * tree-dfa.c (okay_component_ref_for_subvars): New function.
314 * tree-optimize.c (init_tree_optimization_passes): Call
315 pass_create_structure_vars.
317 * tree-ssa-alias.c: Include vec.h.
318 (init_alias_info): Don't auto-clear call clobbered on struct-field
320 (compute_flow_insensitive_aliasing): Handle subvars.
321 (group_aliases): Handle STRUCT_FIELD aliases.
322 (setup_pointers_and_addressables): Ditto.
323 Don't mark variables non-addressable if they still have
325 Also mark subvars addressable when the real variable is marked
327 (add_pointed_to_var): Try to prune the pointed-to set by only
328 pointing to subvars when possible.
329 Otherwise, make sure we set addresses_needed and pt_vars to
330 properly include subvars.
331 (bitpos_of_field): New function.
332 (push_fields_onto_fieldstack): Ditto.
333 (get_or_create_used_part_for): Ditto.
334 (create_overlap_variables_for): Ditto.
335 (find_used_portions): Ditto.
336 (create_structure_vars): Ditto.
337 (pass_create_structure_vars): New structure.
339 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
340 (get_expr_operands): Handle subvars. Also try to turn
341 COMPONENT_REF accesses into must-defs now that we can accurately
343 (note_addressable): Try to only mark as addressable those subvars
344 we know a COMPONENT_REF touches.
345 (overlap_subvar): New function.
347 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
348 Handle subvar storing.
349 (vect_address_analysis): Update caller of vect_object_analysis.
351 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
353 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
354 (STMT_VINFO_SUBVARS): New macro.
356 * common.opts: add flag_tree_salias.
358 * opts.c (decode_options): flag_tree_salias defaults to on.
360 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
362 * doc/tree-ssa.texi: Document structural alias analysis.
364 2005-03-12 Steven Bosscher <stevenb@suse.de>
366 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
367 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
368 * tree-ssa-operands.c (get_expr_operands): Likewise.
369 (get_expr_operands): Likewise for ERROR_MARK.
371 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
373 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
376 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
379 * tree-ssa-pre.c (compute_avail): Remove local variable val.
380 (mark_operand_necessary): Remove local variable ver.
382 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
385 * value-prof.c (mod_subtract_transform): Remove local variable
388 * builtins.c (fold_builtin_exponent): Take decomposed
389 arguments of CALL_EXPR.
390 (fold_builtin_1): Update a call to fold_builtin_exponent.
392 * builtins.c (fold_builtin_logarithm): Take decomposed
393 arguments of CALL_EXPR.
394 (fold_builtin_1): Update a call to fold_builtin_logarithm.
396 * c-decl.c (c_init_decl_processing): Remove local variables
397 ptr_ftype_void and ptr_ftype_ptr.
399 * gimplify.c (gimplify_expr): Remove local variables r0 and
402 * reg-stack.c (move_for_stack_reg): Remove local variable
404 (compare_for_stack_reg): Remove local variable flags_user.
405 (convert_regs_1): Remove local variable deleted.
407 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
409 (combine_blocks): Remove local variables exits and new_e.
411 * tree-inline.c (expand_call_inline): Remove local variable
414 * tree-ssa-live.c (create_ssa_var_map,
415 calculate_live_on_entry): Remove local variable snn.
417 2005-03-12 Geoffrey Keating <geoffk@apple.com>
419 * c-lex.c (c_lex_with_flags): Add parameter to call to
422 2005-03-11 Per Bothner <per@bothner.com>
424 * c-tree.h (struct c_declarator): New id_loc field.
425 * c-pragma.h (c_lex_with_flags): Take position reference.
426 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
427 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
428 (c_lex): Pass dummy location to c_lex_with_flags.
429 * c-parser.c (c_lex_one_token): Set c_token's location using
430 c_lex_with_flags, instead of input_location, which might be "ahead".
431 (c_parser_direct_declarator): Set declarator's id_loc from
433 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
434 declarator's id_loc, rather than probably-imprecise input_location.
435 (build_id_declarator): Initialize c_declarator's id_loc field.
437 2005-03-11 Roger Sayle <roger@eyesopen.com>
440 * builtins.c (expand_builtin_signbit): Force the signbit's word
441 into an integer register to avoid SUBREGs of floating point modes.
443 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
445 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
446 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
447 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
448 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
450 2005-03-11 David Edelsohn <edelsohn@gnu.org>
452 PR rtl-optimization/20306
453 * expr.c (emit_move_complex): Set try_int false if mode is
454 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
455 emit_block_move if try_int is true.
457 2005-03-11 Richard Henderson <rth@redhat.com>
460 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
461 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
464 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
466 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
467 (TARGET_FIX_VR4130): New macro.
468 (TARGET_OPTIONS): Add -mfix-vr4130.
469 (ISA_HAS_MACCHI): New macro.
470 (ASM_SPEC): Add -mfix-vr4130.
471 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
472 (override_options): Handle mips_fix_vr4130_string.
473 (mips_avoid_hazards): Clear all_noreorder_p
474 if we're working around VR4130 errata and the macc alternatives
476 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
477 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
478 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
479 (MULTILIB_DEFAULTS): Remove leading "march=".
480 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
481 if no architecture option is given.
482 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
484 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
485 * doc/invoke.texi: Document -mfix-vr4130.
487 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
489 * config/mips/mips.c (override_options): Only warn about -mint64
490 deprecation if TARGET_INT64.
492 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
495 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
496 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
497 are non-specific regarding the nonnull parameter positions.
498 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
499 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
500 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
501 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
503 * builtins.def: Use the non-specific "nonnull" attibute lists.
505 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
507 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
508 single_pred_edge, single_succ, single_pred): Improve comments.
510 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
512 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
513 single_pred_edge, single_succ, single_pred): New inline functions.
514 * bb-reorder.c (rotate_loop, find_traces_1_round,
515 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
516 duplicate_computed_gotos): Use the single_succ/pred functions.
517 * cfganal.c (forwarder_block_p): Ditto.
518 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
519 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
520 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
521 merge_seq_blocks): Ditto.
522 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
523 * cfglayout.c (fixup_reorder_chain): Ditto.
524 * cfgloop.c (mark_single_exit_loops, update_latch_info,
525 canonicalize_loop_headers, verify_loop_structure): Ditto.
526 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
527 mfb_update_loops, create_preheader, force_single_succ_latches,
528 create_loop_notes): Ditto.
529 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
530 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
531 commit_one_edge_insertion, purge_dead_edges,
532 cfg_layout_can_merge_blocks_p): Ditto.
533 * except.c (sjlj_emit_function_enter): Ditto.
534 * flow.c (init_propagate_block_info): Ditto.
535 * function.c (thread_prologue_and_epilogue_insns): Ditto.
536 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
537 insert_insn_end_bb): Ditto.
538 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
539 find_if_case_2): Ditto.
540 * lambda-code.c (perfect_nestify): Ditto.
541 * lcm.c (optimize_mode_switching): Ditto.
542 * loop-doloop.c (doloop_modify): Ditto.
543 * loop-init.c (loop_optimizer_init): Ditto.
544 * loop-iv.c (simplify_using_initial_values): Ditto.
545 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
546 * loop-unswitch.c (unswitch_loop): Ditto.
547 * modulo-sched.c (generate_prolog_epilog): Ditto.
548 * predict.c (combine_predictions_for_insn, estimate_probability,
549 tree_estimate_probability, last_basic_block_p,
550 estimate_bb_frequencies): Ditto.
551 * profile.c (branch_prob): Ditto.
552 * regrename.c (copyprop_hardreg_forward): Ditto.
553 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
554 * tracer.c (layout_superblocks): Ditto.
555 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
556 cfg_remove_useless_stmts_bb, cleanup_control_flow,
557 cleanup_control_expr_graph, disband_implicit_edges,
558 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
559 tree_verify_flow_info, tree_make_forwarder_block,
560 tree_forwarder_block_p, remove_forwarder_block,
561 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
562 * tree-if-conv.c (tree_if_conversion): Ditto.
563 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
564 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
565 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
566 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
567 copy_loop_headers): Ditto.
568 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
569 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
570 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
571 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
572 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
573 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
574 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
575 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
576 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
577 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
578 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
579 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
580 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
581 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
582 slpeel_add_loop_guard): Ditto.
584 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
586 PR tree-optimization/15784
587 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
590 * stmt.c (expand_case): Don't change index_type. Convert minval
593 PR tree-optimization/20130
594 * fold-const.c (fold): Fold x * -1 into -x.
596 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
598 PR rtl-optimization/20331
599 * rtlanal.c (modified_between_p): Check its address first for MEM.
600 (modified_in_p): Likewise.
602 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
604 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
606 2005-03-10 Steven Bosscher <stevenb@suse.de>
608 * expr.c (expand_expr_real_1): If possible, use a conditional
609 move for expanding MIN_EXPR and MAX_EXPR.
610 Use temp for moving around rtx-en.
612 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
615 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
618 2005-03-10 Roger Sayle <roger@eyesopen.com>
620 * builtins.c (expand_builtin_signbit): Extend to handle floating
621 point modes wider than the largest integer type, using the
622 operand_subword_force function to obtain the signbit's word.
624 2005-03-10 Jakub Jelinek <jakub@redhat.com>
627 * combine.c (try_combine): If recog_for_combine added CLOBBERs
628 to NEWI2PAT, fail to combine if they are used by NEWPAT.
630 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
632 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
634 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
636 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
638 (perform_edge_inserts): Unconditionally call
641 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
643 2005-03-10 Bob Wilson <bob.wilson@acm.org>
645 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
647 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
649 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
651 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
653 (rtl_register_value_prof_hooks,
654 tree_value_profile_transformations,
655 tree_register_value_prof_hooks): Likewise.
656 * var-tracking.c (stack_adjust_offset_pre_post,
657 variable_htab_free, variable_union, dataflow_set_different_2,
658 count_uses, variable_was_changed, set_frame_base_location,
659 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
660 vt_add_function_parameters): Likewise.
661 * varasm.c (named_section_real, named_section, make_decl_rtl,
662 asm_emit_uninitialised, assemble_integer, decode_addr_const,
663 const_hash_1, compare_constant, copy_constant, force_const_mem,
664 output_constant_pool_2, output_constant_pool_1, output_constant,
665 output_constructor, make_decl_one_only, decl_tls_model,
666 default_no_named_section, default_elf_select_section_1,
667 default_unique_section_1): Likewise.
668 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
669 * vmsdbgout.c (addr_const_to_string): Likewise.
672 * function.c (struct assign_parm_data_one): Remove last_named
674 (assign_parm_find_data_types): Don't determine last_named.
675 Reorder named_parm determination.
676 (assign_parms): Only setup varargs on the last non-varadic
679 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
681 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
682 sda base address on medium model.
684 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
686 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
687 * cfgloop.c (flow_loop_nodes_find): Export.
688 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
690 * cfgloopmanip.c (fix_loop_structure): New function.
691 * predict.c (predict_loops): Clean up the loops information.
692 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
693 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
695 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
696 (rewrite_into_loop_closed_ssa): Declaration changed.
697 * tree-loop-linear.c (linear_transform_loops): Add argument to
698 rewrite_into_loop_closed_ssa call.
699 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
700 * tree-ssa-loop-im.c (move_computations): Ditto.
701 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
702 * tree-vectorizer.c (vectorize_loops): Ditto.
703 * tree-optimize.c: Include cfgloop.h.
704 (execute_todo): Choose whether to call cleanup_tree_cfg or
705 cleanup_tree_cfg_loop.
706 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
707 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
708 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
709 cleanup_tree_cfg_loop call.
710 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
711 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
714 2005-03-10 Jakub Jelinek <jakub@redhat.com>
717 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
718 with multiple alternatives.
720 * stmt.c (parse_output_constraint): Fix a typo.
722 2005-03-09 Bob Wilson <bob.wilson@acm.org>
724 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
725 assembly directive instead of deprecated "no-generics".
727 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
729 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
730 for non-offsettable memory references to cope with outstanding reload
732 * config/s390/s390.md ("reload_outti"): Call find_replacement to
733 avoid losing outstanding address reloads.
734 ("reload_outdi", "reload_outdf"): Likewise.
736 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
739 code. Add more cbrt transformations.
741 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
743 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
745 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
747 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
748 NULL_TREE when a given tree is not simplified.
749 (fold): Return the original tree when any of the functions
750 mentioned above NULL_TREE.
752 * fold-const.c (fold_unary, fold_binary): Take decomposed
753 arguments, code, type, op0, and op1 in case of fold_binary.
754 (fold): Update calls to fold_unary and fold_binary.
756 2005-03-09 Roger Sayle <roger@eyesopen.com>
758 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
759 a fndecl and an arglist instead of a CALL_EXPR, exp.
761 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
763 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
765 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
767 * expr.c (expand_assignment): Remove orig_to_rtx.
769 * fold-const.c (int_const_binop): Remove no_overflow.
771 * ifcvt.c (noce_emit_move_insn): Remove inmode.
773 * loop-iv.c (get_biv_step_1): Remove lhs.
775 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
777 * real.c (real_nan): Remove neg.
779 * function.c (thread_prologue_and_epilogue_insns): Remove i
782 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
785 * tree-eh.c (tree_could_trap_p): Remove idx.
787 * tree-into-ssa.c (ann): Remove ann.
789 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
791 * tree-sra.c (decide_block_copy): Remove inst_count.
793 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
795 * tree-ssa-loop-im.c (lhs): Remove.
797 * cfgbuild.c (state, STATE, SET_STATE,
798 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
800 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
801 (find_basic_blocks): Set the state of each basic block to
804 2005-03-08 Jeff Law <law@redhat.com>
806 * tree-cfg.c (cleanup_control_flow): If removal of a computed
807 goto results in the removal of edges in the CFG, then we need
808 to recompute dominators.
810 2005-03-09 Ben Elliston <bje@au.ibm.com>
812 * c-common.c (c_do_switch_warnings): Comment fix.
814 2005-03-08 Julian Brown <julian@codesourcery.com>
816 * Patch from 2005-03-08 reverted for causing regressions and
817 ppc-darwin bootstrap failure.
819 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
821 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
822 Define the real function for ppc-darwin.
823 * c-typeck.c (convert_arguments): Check for target-specific
824 invalid argument call to unprototyped function.
825 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
827 * target.h (invalid_arg_for_unprototyped_fn): New field
829 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
831 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
834 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
836 * c-typeck.c (constructor_stack, constructor_range_stack,
837 initializer_stack): Make them static.
839 * cfg.c (rbi_pool): Make it static.
841 * gimple-low.c (lower_stmt_body): Make it static.
842 * tree-flow.h: Remove the corresponding prototype. Don't
845 * sched-deps.c (cache_size): Make it static.
847 * stor-layout.c (lang_adjust_rli): Make it static.
849 2005-03-08 Julian Brown <julian@codesourcery.com>
851 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
852 from being used for symbols with vague linkage when
853 HAVE_GAS_COMDAT_GROUP is true.
855 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
857 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
858 nlabel == JUMP_LABEL (jump).
860 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
862 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
863 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
864 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
865 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
867 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
870 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
871 * c-common.c (handle_returns_twice): New function.
872 (c_common_attribute_table): Declare eturns_twice' attribute.
873 * doc/extend.texi: Document eturns_twice' attribute.
874 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
875 (struct tree_decl): Add returns_twice_flag.
877 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
879 * tree-ssa-phiopt.c: Fix a comment typo.
881 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
882 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
883 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
886 2005-03-08 Richard Henderson <rth@redhat.com>
888 * config/alpha/alpha.c (code_for_builtin): Replace special-case
889 builtin codes with ctzdi2, clzdi2, popcountdi2.
890 (struct alpha_builtin_def): Add is_const.
891 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
892 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
893 (alpha_init_builtins): Init them. Set nothrow and const attributes
895 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
896 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
897 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
898 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
899 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
900 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
901 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
902 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
903 (TARGET_FOLD_BUILTIN): New.
904 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
905 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
907 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
909 2005-03-08 Ira Rosen <irar@il.ibm.com>
911 PR tree-optimization/20122
912 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
913 condition of access function instead of base.
915 2005-03-07 Jeff Law <law@redhat.com>
916 Steven Bosscher <stevenb@suse.de>
918 * tree-cfg.c (find_taken_edge_computed_goto): New function.
919 (find_taken_edge): Call find_taken_edge_computed_goto as
920 appropriate. Allow any gimple invariant rather than just
922 (cleanup_control_flow): Cleanup a computed goto which has turned
924 (tree_merge_blocks): If block B has any forced labels, move
925 them to the start of block A.
926 * tree-ssa-dom.c (thread_across_edge): Allow threading across
927 computed gotos as well.
928 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
929 removal of unnecessary computed gotos too.
930 (lookup_redirection_data): Fix type of INSERT argument. Callers
933 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
935 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
936 Remove trailing spaces.
938 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
939 unshare_all_trees): Make them static.
940 * tree-gimple.h: Remove the corresponding prototypes.
942 * diagnostic.h: Remove unused prototype
944 * modulo-sched.c: Remove unused prototype
945 set_row_column_for_ps.
947 * tree-ssa-phiopt.c (tree_ssa_phiopt,
948 replace_phi_edge_with_variable): Remove unused variable i.
950 2005-03-07 Per Bothner <per@bothner.com>
952 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
954 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
957 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
958 bbs on the COND_EXPR instead of the PHI_NODEs.
959 (candidate_bb_for_phi_optimization): Remove.
960 (replace_phi_with_stmt): Rename to ...
961 (replace_phi_edge_with_variable): this and change so that we
962 replace the phi argument instead of removing the PHI.
963 (conditional_replacement): Change so we deal with PHI with more
965 (value_replacement): Likewise.
966 (abs_replacement): Likewise.
968 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
970 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
971 output_e500_flip_gt_bit.
973 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
975 (rs6000_generate_compare): Fix logic to look at the correct bits.
976 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
978 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
979 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
980 gen_move_from_CR_gt_bit.
982 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
983 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
984 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
986 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
987 (E500_CR_IOR_COMPARE): New constant.
989 2005-03-08 Earl Chew <earl_chew@agilent.com>
990 David Billinghurst <David.Billinghurst@riotinto.com>
992 * config/i386/host-cygwin.c: New file to support precompiled
994 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
995 * config.host: Use above files for cygwin host.
997 2005-03-07 David Edelsohn <edelsohn@gnu.org>
999 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1000 ordering ops from earlier change.
1002 2005-03-07 Per Bothner <per@bothner.com>
1004 Various fixes to allow us to again build if --enable-mapped-location:
1005 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1006 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1007 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1008 local variable loc. Change logic appropriately.
1009 * tree-vect-transform.c (vect_finish_stmt_generation): Use
1010 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1011 * c-parser.c (c_parser_for_statement): Initialize loc variable.
1012 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1013 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1015 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
1017 PR rtl-optimization/19683
1018 * reload1.c (choose_reload_regs): Pass the number of bits, not the
1019 number of bytes, to smallest_int_for_mode. Fix arguments to
1020 REG_CANNOT_CHANGE_MODE_P.
1022 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1024 * reorg.c (relax_delay_slots): Check that the jump is
1025 conditional before trying to invert it.
1027 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1029 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1032 * calls (stack_arg_under_construction): Make it static.
1034 * flow.c (regs_live_at_setjmp): Make it static.
1035 * flow.h: Remove the corresponding prototype.
1037 * reload1.c (reload_startobj, reload_firstobj,
1038 something_needs_operands_changed, reload_inherited,
1039 reload_inheritance_insn, reload_override_in,
1040 reload_spill_index): Make them static.
1042 * recog.c (verify_changes): Make it static.
1043 * recog.h: Remove the corresponding prototype.
1045 * cfgbuild.c (find_sub_basic_blocks): Remove.
1046 * basic-block.h: Remove the corresponding prototype.
1047 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1049 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1051 * tree-ssa-operands.c (check_build_stmt): Remove.
1053 * stor-layout.c (set_alignment): Remove.
1054 * tree.h: Remove the corresponding prototype.
1056 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1058 * tree-ssa-dce.c (control_dependence_map,
1059 visited_control_parents): Make them static.
1061 * cfghooks.c (verify_flow_info): Remove local variable
1064 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1067 * loop-unswitch.c (unswitch_loop): Remove local variable src.
1069 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
1071 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1073 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
1075 * config/ia64/hpux.h (LINK_SPEC): Add -z.
1076 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1077 PARALLEL for an empty structure.
1079 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1081 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1083 * fold-const.c (fold_binary): Unroll the very first "for"
1086 2005-03-06 David Edelsohn <edelsohn@gnu.org>
1088 * config/rs6000/predicates.md (branch_comparison_operator): Remove
1089 redundant match_code test.
1090 (scc_comparison_operator): Swap match_operand and match_code
1092 (branch_positive_comparison_operator): Same.
1093 (trap_comparison_operator): Use comparison_operator and swap with
1096 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
1099 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1100 (out_movhi_r_mr): Read low byte of volatile MEM first.
1101 (out_movhi_mr_r): Write high byte of volatile MEM first.
1103 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1105 * cselib.c (reg_values, reg_values_size): Make them static.
1107 * cse.c (cse_reg_info_table): Make it static.
1109 * fold-const.c (fold_unary): Use build1 instead of copy_node.
1111 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
1113 * cse.c (find_best_addr): Use canon_for_address.
1115 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1117 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1118 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1119 SUBREG and MEM, respectively.
1121 * fold-const.c (fold_binary): Use code instead of t.
1123 * fold-const.c (optimize_minmax_comparison): Take decomposed
1124 arguments code, type, op0, and op1 instead of t.
1125 (fold_binary): Update a call to optimize_minmax_comparison.
1127 * fold-const.c (fold_range_test): Take decomposed arguments
1128 code, type, op0, and op1 instead of t.
1129 (fold_binary): Update a call to fold_range_test.
1131 * fold-const.c (fold_binary_op_with_conditional_arg): Take
1132 decomposed arguments code, type, op0, and op1 instead of t.
1133 (fold_binary): Update a call to fold_range_test.
1135 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1137 * fold-const.c (fold_binary): Avoid directly using the original
1138 expression t as much as possible.
1140 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1142 * c-semantics.c (build_stmt): Use TYPE_P instead of
1143 IS_NON_TYPE_CODE_CLASS.
1144 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1145 (NON_TYPE_CHECK): Use TYPE_P instead of
1146 IS_NON_TYPE_CODE_CLASS.
1148 * fold-const.c (fold): Remove handling of binary expressions.
1150 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
1152 * doc/c-tree.texi: Wrap comments in @r{}.
1153 * doc/cpp.texi: Likewise.
1154 * doc/cppinternals.texi: Likewise.
1155 * doc/extend.texi: Likewise.
1156 * doc/md.texi: Likewise.
1157 * doc/objc.texi: Likewise.
1158 * doc/sourcebuild.texi: Likewise.
1159 * doc/tm.texi: Likewise.
1162 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1164 * predict.c (apply_return_prediction): Standardize PHI chain
1166 * tree-ssa.c (ssa_redirect_edge): Likewise.
1168 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1169 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1172 * tree-phinodes.c (remove_phi_node): Drop the last argument.
1173 * tree-flow.h: Adjust the prototype for remove_phi_node.
1174 * lambda-code.c (perfect_nestify): Adjust a call to
1177 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1178 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1180 * tree-ssa-dce.c (remove_dead_phis): Likewise.
1181 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1182 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1183 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1185 * combine.c (simplify_and_const_int): Use gen_int_mode instead
1186 of GEN_INT (trunc_int_for_mode (...)).
1187 * loop-iv.c (iv_number_of_iterations): Likewise.
1188 * postreload.c (reload_cse_move2add): Likewise.
1189 * simplify-rtx.c (simplify_const_unary_operation,
1190 simplify_const_binary_operation): Likewise.
1191 * stor-layout.c (get_mode_bounds): Likewise.
1193 * fold-const.c (fold_binary): New.
1194 (fold): Call fold_binary on binary expressions.
1196 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
1198 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1199 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1200 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1201 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1202 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1204 2005-03-04 Devang Patel <dpatel@apple.com>
1206 PR tree-optimization/18815
1207 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1208 loops with zero exit edges.
1210 2005-03-04 Devang Patel <dpatel@apple.com>
1212 * doc/invoke.texi: Remove reference to webpage that does not exist.
1214 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
1215 Joseph S. Myers <joseph@codesourcery.com>
1218 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1219 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1220 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1221 * pa.c (get_plabel): Change argument to symbol_ref. Call
1222 maybe_get_identifier instead of get_identifier.
1223 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1224 (struct deferred_plabel): Replace name field with symbol field.
1225 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1226 ASM_OUTPUT_EXTERNAL_REAL is defined.
1227 (output_global_address): Use output_addr_const for output of all
1229 (output_deferred_plabels): Use symbol_ref instead of name for address
1231 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1232 ASM_OUTPUT_SYMBOL_REF): New macros.
1233 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
1235 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1238 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
1240 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1241 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1243 2005-03-04 Jeff Law <law@redhat.com>
1245 * basic-block.h (rediscover_loops_after_threading): Declare.
1246 * tree-ssa-dom.c: Include cfgloop.h.
1247 (tree_ssa_dominator_optimize): Discover loops and some basic
1248 properties. Remove forwarder blocks recreated by loop header
1249 canonicalization. Also mark backedges in the CFG.
1250 * tree-ssa-threadupdate.c: Include cfgloop.h
1251 (rediscover_loops_after_threading): Define.
1252 (struct local_info): New field, JUMP_THREADED.
1253 (prune_undesirable_thread_requests): New function.
1254 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
1255 then record that fact for the callers of redirct_edges.
1256 (thread_block): If BB has incoming backedges, then call
1257 prune_undesirable_thraed_requests. Note when we are
1258 going to have to rediscover loop information. Return a
1259 boolean indicating if any jumps were threaded.
1260 (thread_through_all_blocks): Bubble up boolean indicating
1261 if any jumps were threaded.
1262 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1263 (tree-ssa-threadupdate.o): Similarly.
1265 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1267 * fold-const.c (fold_ternary): Unroll the "for" loop to
1270 2005-03-04 Andrew Haley <aph@redhat.com>
1272 * unwind-dw2-fde-glibc.c (struct
1273 unw_eh_callback_data.check_cache): New field.
1274 (frame_hdr_cache): New.
1275 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1276 Cache frame header info.
1278 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
1280 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1281 (print_c_condition): Declare.
1282 * read-rtl.c (ptr_loc): New structure.
1283 (ptr_locs, ptr_loc_obstack, joined_conditions)
1284 (joined_conditions_obstack): New variables.
1285 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1286 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1287 (join_c_conditions, print_c_condition): New functions.
1288 (apply_macro_to_string): Associate the new string with the same
1289 source location as the old one.
1290 (add_condition_to_string): Use join_c_conditions.
1291 (read_string): Use set_rtx_ptr_loc to record a filename and line
1292 number for the string.
1293 (read_rtx): Initialize the new variables above.
1294 * genattrtab.c (write_test_expr, write_attr_value): Use
1296 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
1297 comment above the GCC_VERSION check.
1298 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1299 Inline the definition of MAYBE_EVAL.
1300 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1301 * genoutput.c (process_template): Likewise.
1302 * genpreds.c (write_predicate_subfunction): Likewise.
1303 (write_predicate_expr): Use print_c_condition.
1304 * genrecog.c (write_cond): Likewise.
1305 * gensupport.c (process_rtx): Use join_c_conditions to join the
1306 conditions of a define_insn_and_split. Record a source location
1307 for the string after the "&&".
1308 (alter_test_for_insn): Use join_c_conditions.
1310 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
1313 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1314 PR tree-optimization/15784
1315 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1318 2005-03-04 Ben Elliston <bje@au.ibm.com>
1320 * gcc.c (option_map): Add --coverage.
1321 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1322 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1323 * config/darwin.h: Pass -lgcov for `coverage'.
1324 * doc/invoke.texi (Debugging Options): Document --coverage.
1326 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1328 * gcse.c (bypass_block): Use find_edge wherever possible.
1330 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
1334 * c-opts.c (c_common_parse_file): Call start_source_file
1335 and end_source_file at the approriate times.
1337 * dwarf2out.c (dwarf2out_finish): Don't auto-end
1338 the main file, it will be done for us now.
1340 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1342 * fold-const.c (fold_ternary): New.
1343 (fold): Call fold_ternary on ternary expressions. Remove
1344 handling of ternary expressions.
1346 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1348 PR tree-optimization/15784
1349 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1352 2005-03-03 David Edelsohn <edelsohn@gnu.org>
1354 * config/rs6000/predicates.md (branch_comparison_operator):
1355 Convert from C block to conditional format.
1357 2005-03-03 Jan Hubicka <jh@suse.cz>
1359 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1360 and non-constant public variables.
1362 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
1364 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1367 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1370 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1371 calls to release_ssa_name and release_phi_node.
1373 * fold-const.c (fold): Remove handling of unary expressions.
1375 * fold-const.c (fold_unary): Avoid directly using the original
1376 expression t as much as possible.
1378 2005-03-03 Roger Sayle <roger@eyesopen.com>
1379 Andrew Pinski <pinskia@physics.uc.edu>
1381 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1382 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1384 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
1386 Describe special registers SRP and MOF as allocatable registers.
1387 * config/cris/cris.c (cris_md_asm_clobbers): New function.
1388 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1389 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1390 TARGET_HAS_MUL_INSNS.
1391 (cris_print_operand) <case 'd'>: New case.
1392 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1393 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1395 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1396 (REG_ALLOC_ORDER): Update for MOF.
1397 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1399 (GENERAL_REGS): No longer a define of ALL_REGS.
1400 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1401 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1403 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1404 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1405 (SECONDARY_RELOAD_CLASS): Define.
1406 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1407 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1408 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1409 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1410 (REGISTER_MOVE_COST): Define.
1411 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1412 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1413 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1414 (CRIS_MOF_REGNUM): New define_constants.
1415 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1417 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1419 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1420 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1421 Adjust for MOF being properly described as a register.
1422 (indir_to_reg_split): Name this split. Conditionalize on the
1423 destination register being a general register.
1424 (movei): Conditionalize on on operands 0 and 1 having the same
1427 2005-03-03 Alan Modra <amodra@bigpond.net.au>
1430 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1431 -mcpu to override any other explicitly given flags.
1433 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
1435 * recog.c (verify_changes, confirm_change_group): New functions,
1436 broken out of apply_change_group.
1437 (apply_change_group): Use them.
1438 * recog.h (verify_change, confirm_change_group): Declare.
1439 * rtl.h (redirect_jump_2): Declare.
1440 * jump.c (redirect_exp, invert_exp): Delete.
1441 (invert_exp_1): Take second parameter. Return value. Changed caller.
1442 (redirect_jump_2): New function, broken out of redirect_jump.
1443 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1444 (invert_jump): Use invert_jump_1 and redirect_jump_2.
1445 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1447 2005-03-02 Geoffrey Keating <geoffk@apple.com>
1449 * varasm.c (named_section): Use xstrdup rather than doing it by
1452 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1454 2005-03-02 Devang Patel <dpatel@apple.com>
1456 Undo PR tree-optimization/18815 fix.
1458 2005-03-02 Devang Patel <dpatel@apple.com>
1460 PR tree-optimization/18815
1461 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1462 loops with zero exit edges.
1464 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1466 * cfg.c (connect_src, connect_dest, disconnect_src,
1467 disconnct_dest): New.
1468 (unchecked_make_edge, remove_edge, redirect_edge_succ,
1469 redirect_edge_pred): Use the new functions.
1471 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1472 free_dominance_info only when needed.
1474 2005-03-02 David Edelsohn <edelsohn@gnu.org>
1477 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1478 (reg_or_sub_cint64_operand): Same.
1480 2005-03-02 Jeff Law <law@redhat.com>
1482 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1483 CFG_ALTERED in the main DOM iteration loop.
1485 2005-03-02 Mark Mitchell <mark@codesourcery.com>
1488 * varasm.c (initializer_constant_valid_p): Allow conversions
1489 between OFFSET_TYPEs. Tidy.
1491 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
1493 * config/cris/cris.md ("return"): Remove epilogue delay list
1496 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
1498 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1500 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1502 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1504 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1505 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1506 config/m68k/m68k.c, config/mips/mips.h,
1507 config/rs6000/rs6000-protos.h, doc/contrib.texi,
1508 doc/include/gcc-common.texi: Update copyright.
1510 PR middle-end/18029 and PR middle-end/18030
1511 * expr.c (optimize_bitfield_assignment_op): Add a special case
1512 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1514 * fold-const.c (fold_unary): New.
1515 (fold): Call fold_unary on unary expressions.
1517 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
1519 * cgraph.h (struct cgraph_edge): Add prev_caller and
1521 (cgraph_node_remove_callees): Export.
1522 * cgraph.c (cgraph_create_edge): Initialize prev_caller
1524 (cgraph_edge_remove_callee): New function.
1525 (cgraph_edge_remove_caller): Likewise.
1526 (cgraph_remove_edge): Use.
1527 (cgraph_redirect_edge_callee): Likewise.
1528 (cgraph_node_remove_callees): New function.
1529 (cgraph_node_remove_callers): Likewise.
1530 (cgraph_remove_node): Use.
1531 * tree-optimize.c (tree_rest_of_compilation): Use
1532 cgraph_node_remove_callees instead of manual loop.
1533 * cgraphunit.c (cgraph_finalize_function): Likewise.
1534 (cgraph_expand_function): Likewise.
1535 (cgraph_remove_unreachable_nodes): Likewise.
1537 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
1540 * c-tree.h (undeclared_variable, build_external_ref): Add extra
1542 * c-decl.c (undeclared_variable): Take location as argument.
1543 * c-typeck.c (build_external_ref): Likewise.
1544 * c-parser.c (c_parser_postfix_expression): Pass location of
1545 identifier to build_external_ref.
1547 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1549 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1550 CCEQ mode for branch_positive_comparison_operator test.
1551 * config/rs6000/predicates (branch_comparison_operator): Revert to
1553 (scc_comparison_operator): Same.
1554 (branch_positive_comparison_operator): Same.
1556 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
1558 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1559 (cris_delay_slots_for_epilogue): Remove.
1560 (save_last): Move into cris_target_asm_function_epilogue.
1561 (cris_target_asm_function_epilogue): Remove tests for file being
1563 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1564 (cris_delay_slots_for_epilogue): Remove prototypes.
1565 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1566 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1568 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1570 * config/rs6000/predicates.md (branch_comparison_operator): Change
1571 to define_special_predicate.
1572 (scc_comparison_operator): Same.
1573 (branch_positive_comparison_operator): Same.
1575 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
1577 * Makefile.in (tree-ssa-sink.o): New.
1578 (OBJS-common): Add tree-ssa-sink.o.
1579 * common.opt: Add -ftree-sink
1580 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1581 * timevar.def (TV_TREE_SINK): new timevar.
1582 * tree-flow.h (is_hidden_global_store): Prototype.
1583 * tree-optimize.c (init_tree_optimization_passes): Add
1585 * tree-pass.h (pass_sink_code): New.
1586 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1587 for non-obvious global store store to is_hidden_global_store, and
1588 call that new function.
1589 * tree-ssa-sink.c: New file.
1590 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1591 * doc/passes.texi: Document forward store motion.
1592 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1593 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1594 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1595 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1597 2005-03-01 Per Bothner <per@bothner.com>
1599 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1600 and we have a non-zero column-number, add it to the message.
1601 Also factor out the diagnostic_kind_text.
1603 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1605 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1606 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1607 flow_loop_scan): Removed.
1608 (flow_loop_dump): Do not dump removed fields.
1609 (flow_loop_free): Do not free removed fields.
1610 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
1611 (loop_exit_edge_p): New function.
1612 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1613 num_pre_header_edges, entry_edges, num_entries, exit_edges,
1614 num_exits, exits_doms.
1615 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1616 LOOP_EDGES, LOOP_ALL): Removed.
1617 (flow_loop_scan): Declaration removed.
1618 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1619 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1621 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1622 (if_convert): Call flow_loops_find and flow_loops_free
1623 when calling mark_loop_exit_edges.
1624 * cfgloopanal.c (mark_loop_exit_edges): Moved from
1625 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
1626 free_dominance_info calls.
1627 * loop-init.c (flow_loops_find): Ditto.
1628 * passes.c (rest_of_handle_branch_prob): Ditto.
1629 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1630 * loop-unroll.c (analyze_insns_in_loop): Do not use
1632 * predict.c (predict_loops): Do not call flow_loop_scan.
1633 Use get_loop_exit_edges.
1634 (tree_estimate_probability): Do not pass flags to flow_loops_find.
1635 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1636 Do not use EDGE_LOOP_EXIT.
1637 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1638 to bb_with_exit_edge_p.
1639 (if_convertible_loop_p): Do not call flow_loop_scan. Use
1640 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
1641 to bb_with_exit_edge_p.
1642 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
1644 * tree-loop-linear.c (linear_transform_loops): Do not call
1645 flow_loop_scan. Use loop->single_exit.
1646 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1647 (vect_analyze_loop_form): Do not call flow_loop_scan.
1648 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1650 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1652 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1653 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1654 slpeel_tree_duplicate_loop_to_edge_cfg,
1655 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1656 Use loop_preheader_edge and loop->single_exit. Do not call
1659 2005-03-01 Nick Clifton <nickc@redhat.com>
1661 * config/arm/arm.c (thumb_find_work_register): Check all of the
1662 argument registers to see if they are free, and a couple of
1663 special cases where the last argument register but can be proved
1664 to be available during the function's prologue.
1665 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1666 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1667 thumb_unexpanded_epilogue): Use unsigned long as the type for the
1669 (thumb_compute_save_reg_mask): Likewise. Also use
1670 thumb_find_work_register() to ensure that there is agreement about
1671 which work register is going to be used in the prologue.
1672 (thumb_output_function_prologue): Use unsigned long as the type
1673 for the register bit-mask. Also delay pushing the link register if
1674 other high registers are going to be pushed.
1675 (thumb_compute_save_reg_mask, emit_multi_reg_push,
1676 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1677 redundant prototypes.
1679 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
1682 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1683 and after reload in REG+REG indexed addresses without REG_POINTER
1684 set in the base and not set in the index.
1686 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1688 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1689 Don't undefine here.
1690 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1691 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1692 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1693 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1694 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1696 * config.gcc (sh*-*-linux*): Use config/linux.h.
1698 2005-02-28 Dale Johannesen <dalej@apple.com>
1699 Stan Shebs <shebs@apple.com>
1701 Rewrite of 64-bit Darwin structure-by-value pass/return.
1702 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1703 intoffset, use_stack, named.
1704 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
1705 (rs6000_darwin64_record_arg_advance_flush): New.
1706 (rs6000_darwin64_record_arg_advance_recurse): New.
1707 (rs6000_darwin64_record_arg_flush): New.
1708 (rs6000_darwin64_record_arg_recurse): New.
1709 (rs6000_darwin64_record_arg): New.
1710 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
1711 (function_arg_boundary): Handle 128-bit aligned structs.
1712 (function_arg_advance): Rewrite darwin64 struct handling.
1713 (function_arg): Call rs6000_darwin64_record_arg.
1714 (function_arg_partial_nregs): Handle darwin64 structs.
1715 (rs6000_darwin64_function_value): Remove.
1716 (rs6000_function_value): Call rs6000_darwin64_record_arg.
1718 2005-02-28 Roger Sayle <roger@eyesopen.com>
1720 PR tree-optimization/20216
1721 * tree-chrec.c (tree_fold_factorial): Delete.
1722 (tree_fold_binomial): Change argument list to take a return type
1723 and change the type of K to unsigned int. Rewrite to avoid explicit
1724 evaluation of factorials, and (recursively) calling fold to perform
1725 compile-time arithmetic. Return NULL on (internal) overflow.
1726 (chrec_evaluate): Change type of K to an unsigned int. Avoid
1727 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
1728 if any intermediate calculation overflows.
1729 (chrec_apply): Update call to chrec_evaluate.
1731 2005-02-28 James E Wilson <wilson@specifixinc.com>
1733 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1735 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
1738 * c-parser.c (c_parser_compound_statement): Return error_mark_node
1739 instead of NULL_TREE on error.
1741 2005-02-28 David Edelsohn <edelsohn@gnu.org>
1743 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1744 (EASY_VECTOR_15_ADD_SELF): Remove.
1745 (num_insns_constant_wide): Not static.
1746 (validate_condition_mode): Not static.
1747 (toc_relative_expr_p): Not static.
1748 (legitimate_indirect_address_p): Not static.
1749 (macho_lo_sum_memory_operand): Not static.
1750 (invalid_e500_subreg): Not static.
1751 (easy_vector_same): Not static.
1752 (easy_vector_splat_const): Not static.
1753 (RS6000_SYMBOL_REF_TLS_P): Remove.
1754 (any_operand): Delete.
1755 (any_parallel_operand): Delete.
1756 (count_register_operand): Delete.
1757 (altivec_register_operand): Delete.
1758 (xer_operand): Delete.
1759 (s8bit_cint_operand): Delete.
1760 (short_cint_operand): Delete.
1761 (u_short_cint_operand): Delete.
1762 (non_short_cint_operand): Delete.
1763 (exact_log2_cint_operand): Delete.
1764 (gpc_reg_operand): Delete.
1765 (cc_reg_operand): Delete.
1766 (cc_reg_not_cr0_operand): Delete.
1767 (reg_or_short_operand): Delete.
1768 (reg_or_neg_short_operand): Delete.
1769 (reg_or_aligned_short_operand): Delete.
1770 (reg_or_u_short_operand): Delete.
1771 (reg_or_cint_operand): Delete.
1772 (reg_or_arith_cint_operand): Delete.
1773 (reg_or_add_cint64_operand): Delete.
1774 (reg_or_sub_cint64_operand): Delete.
1775 (reg_or_logical_cint_operand): Delete.
1776 (got_operand): Delete.
1777 (got_no_const_operand): Delete.
1778 (easy_fp_constant): Delete.
1779 (easy_vector_constant): Delete.
1780 (easy_vector_constant_add_self): Delete.
1781 (zero_constant): Delete.
1782 (zero_fp_constant): Delete.
1783 (volatile_mem_operand): Delete.
1784 (offsettable_mem_operand): Delete.
1785 (mem_or_easy_const_operand): Delete.
1786 (add_operand): Delete.
1787 (non_add_cint_operand): Delete.
1788 (logical_operand): Delete.
1789 (non_logical_cint_operand): Delete.
1790 (mask_operand): Delete.
1791 (mask_operand_wrap): Delete.
1792 (mask64_operand): Delete.
1793 (mask64_2_operand): Delete.
1794 (and64_operand): Delete.
1795 (and64_2_operand): Delete.
1796 (and_operand): Delete.
1797 (reg_or_mem_operand): Delete.
1798 (lwa_operand): Delete.
1799 (symbol_ref_operand): Delete.
1800 (call_operand): Delete.
1801 (current_file_function_operand): Delete.
1802 (input_operand): Delete.
1803 (rs6000_nonimmediate_operand): Delete.
1804 (rs6000_tls_symbol_ref): Delete.
1805 (save_world_operation): Delete.
1806 (restore_world_operation): Delete.
1807 (load_multiple_operation): Delete.
1808 (store_multiple_operation): Delete.
1809 (vrsave_operation): Delete.
1810 (mfcr_operation): Delete.
1811 (mtcrf_operation): Delete.
1812 (lmw_operation): Delete.
1813 (stmw_operation): Delete.
1814 (branch_comparison_operator): Delete.
1815 (branch_positive_comparison_operator): Delete.
1816 (scc_comparison_operator): Delete.
1817 (trap_comparison_operator): Delete.
1818 (boolean_operator): Delete.
1819 (boolean_or_operator): Delete.
1820 (min_max_operator): Delete.
1821 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1822 (EASY_VECTOR_15): Moved to here.
1823 (EASY_VECTOR_15_ADD_SELF): Move to here.
1824 (PREDICATE_CODES): Delete.
1825 * config/rs6000/rs6000-protos.h: Delete predicate functions.
1826 Declare functions no longer static.
1827 * config/rs6000/predicates.md: New.
1828 * config/rs6000/rs6000.md: Include predicates.md
1830 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
1832 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
1833 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1835 * cfgrtl.c (need_fake_edge_p): Likewise.
1836 * combine.c (distribute_notes): Likewise.
1837 * emit-rtl.c (try_split): Likewise.
1838 * recog.c (peephole2_opimize): Likewise.
1839 * reg-notes.def (ALWAYS_RETURN): Remove.
1840 * rtl.h (LCT_ALWAYS_RETURN): Remove.
1841 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1842 * tree.h (ECF_ALWAYS_RETURN): Remove.
1844 2005-02-28 Roger Sayle <roger@eyesopen.com>
1847 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1848 between different machine modes is never a "useless" conversion.
1850 2005-02-28 Geert Bosch <bosch@gnat.com>
1853 * doc/contrib.texi: List contributors for Ada front end
1855 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1857 * simplify-rtx.c (simplify_unary_operation_1,
1858 simplify_const_unary_operation): New, extracted from...
1859 (simplify_unary_operation): ... this one.
1860 (simplify_binary_operation_1,
1861 simplify_const_binary_operation): New, extracted from...
1862 (simplify_binary_operation): ... this one.
1863 * rtl.h (simplify_const_unary_operation,
1864 simplify_const_binary_operation): Add prototypes.
1866 2005-02-28 Julian Brown <julian@codesourcery.com>
1868 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1869 building libjava and caused PR regression/20228.
1871 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1874 * Makefile.in (host_subdir): New.
1875 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
1876 * configure: Regenerate.
1878 2005-02-27 Zack Weinberg <zack@codesourcery.com>
1880 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1881 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1882 installation directory first.
1884 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
1887 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1888 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1889 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1890 * config/cris/cris.md: Tweak comments referring to Q.
1891 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1892 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1893 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1894 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1895 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1896 Insert spaces in constraints to align alternatives vertically for
1898 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
1901 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1903 PR rtl-optimization/17728
1904 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1905 operand 0 from general_operand to move_dest_operand.
1907 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1909 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1910 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1911 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1912 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1914 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
1916 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1917 * configure: Regenerate.
1918 * libada-mk.in: Remove CC; rename
1919 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1921 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
1924 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1925 for the lhs, also walk over the tree. Likewise for rhs.
1927 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1929 * tree-ssa-dom.c (simple_iv_increment_p): New function.
1930 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1931 Do not propagate value of iv before increment over the increment.
1933 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
1935 * c-parser.c: New file.
1936 * c-parse.in: Remove.
1937 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1939 (c-parser.o): Add dependencies.
1940 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1941 maintainer-clean, TAGS): Update.
1942 * c-config-lang.in (gtfiles): Update.
1943 * gengtype-lex.l: Don't handle "@@".
1944 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1945 objc_build_synchronized, objc_begin_try_stmt,
1946 objc_begin_catch_clause, objc_finish_catch_clause,
1947 objc_build_finally_clause, objc_finish_try_stmt): New.
1948 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1950 (c_parse_init): Update comment.
1951 * c-decl.c (c_init_decl_processing): Update comment.
1952 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1953 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1954 new c_declspecs members.
1956 2005-02-25 Julian Brown <julian@codesourcery.com>
1958 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1959 from being used for symbols with vague linkage when
1960 HAVE_GAS_COMDAT_GROUP is true.
1962 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1964 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1966 2005-02-25 Steve Ellcey <sje@cup.hp.com>
1969 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1970 (LIBGCC2_HAS_DF_MODE): New.
1971 (LIBGCC2_HAS_XF_MODE): New.
1972 (LIBGCC2_HAS_TF_MODE): New.
1973 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1974 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1975 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1976 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1977 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1978 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1979 and add _fixtfdi, _fixunstfdi, _floatditf
1980 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1981 L_fixunstfdi, L_floatditf.
1982 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1983 (LIBGCC2_HAS_TF_MODE): Define.
1985 2005-02-25 Diego Novillo <dnovillo@redhat.com>
1987 PR tree-optimization/20204
1988 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1989 REWRITE_THIS_STMT markers on PHI nodes.
1990 (rewrite_initialize_block): Likewise.
1992 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1994 * version.c (version_string): Update to 4.1.
1996 2005-02-25 Paolo Carlini <pcarlini@suse.de>
1998 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1999 Clarify that the alternative way doesn't work in GNU C++.
2001 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2003 PR tree-optimization/19937
2004 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2005 to the type of the induction variable.
2007 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
2009 PR rtl-optimization/20117
2010 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2011 the block including noncopyable insn.
2013 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
2015 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2016 calls to find_reg_note.
2018 2005-02-24 Richard Henderson <rth@redhat.com>
2021 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2024 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
2026 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2027 vector types if to use base reg for misaligned non-word ld/std.
2029 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2032 * config/cris/cris.c (cris_target_asm_function_prologue): Create
2033 dwarf2 label manually and put it after, not before the prologue.
2035 2005-02-24 David Edelsohn <edelsohn@gnu.org>
2038 * reload.c (operands_match_p): Only increment register number for
2039 SCALAR_INT_MODE_P modes in multiple hard registers.
2041 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2044 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2046 * ChangeLog.5: Fix log message typo(s).
2047 * ChangeLog.7: Likewise.
2048 * ChangeLog.tree-ssa: Likewise.
2049 * cfgexpand.c: Fix comment typo(s).
2050 * conflict.c: Likewise.
2051 * defaults.h: Likewise.
2052 * dwarf2out.c: Likewise.
2054 * ggc-page.c: Likewise.
2055 * tree-eh.c: Likewise.
2056 * tree-ssa-dom.c: Likewise.
2058 2005-02-24 Jakub Jelinek <jakub@redhat.com>
2061 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2062 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2063 if SHARED is defined.
2066 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2067 allow splitting only if operands 0 and 3 don't overlap.
2069 2005-02-24 Richard Henderson <rth@redhat.com>
2072 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2073 (fold_builtin_1): Call them.
2074 * fold-const.c (fold_complex_mult_parts): Split out from ...
2075 (fold_complex_mult): ... here. Fix typo in both imaginary case.
2076 (fold_complex_div_parts, fold_complex_div): New.
2078 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2080 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2082 * tree-ssa-ccp.c (visit_assignment): Verify that result of
2083 VIEW_CONVERT_EXPR is_gimple_min_invariant.
2085 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2086 (print_node): Likewise.
2087 Print TYPE_SIZES_GIMPLIFIED.
2089 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2091 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2092 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2093 operands as commutative in constraints.
2095 2005-02-24 Diego Novillo <dnovillo@redhat.com>
2097 * tree-into-ssa.c: Re-organize internal functions.
2099 2005-02-24 Richard Henderson <rth@redhat.com>
2102 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2104 * common.opt (fcx-limited-range): New.
2105 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2106 * toplev.c (flag_complex_method): Initialize to 1.
2107 (process_options): Set flag_complex_method to 0 if
2108 flag_cx_limited_range.
2109 * doc/invoke.texi (-fcx-limited-range): New.
2111 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
2113 * cse.c (delete_trivially_dead_insns): Speed up by using
2114 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2117 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
2119 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2120 functions when -mid-shared-library is being used.
2122 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2124 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2125 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2126 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2127 * system.h: Poison LINK_LIBGCC_SPECIAL.
2129 2005-02-23 James E Wilson <wilson@specifixinc.com>
2131 * gengtype.c (note_insn_name): Make 1 element larger.
2133 2005-02-23 Roger Sayle <roger@eyesopen.com>
2136 PR rtl-optimization/20097
2137 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2138 BImode SUBREGs of SImode registers which confuse the ia64 backend.
2140 2005-02-23 David Edelsohn <edelsohn@gnu.org>
2142 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2143 * t-aix52 (SHLIB_INSTALL): Same.
2145 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
2147 * genpreds.c: Update copyright.
2149 2005-02-23 Michael Beach <michaelb@ieee.org>
2152 * config/sparc/t-elf (startup files): Assemble with CPP.
2154 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
2156 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2157 (write_predicate_expr): Likewise.
2159 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2161 PR tree-optimization/20100
2162 PR tree-optimization/20115
2163 * tree-optimize.c (init_tree_optimization_passes): Remove
2164 pass_maybe_create_global_var.
2165 * tree-pass.h (pass_maybe_create_global_var): Remove.
2166 * tree-ssa-alias.c (aliases_computed_p): Declare.
2167 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2168 (count_calls_and_maybe_create_global_var): Remove.
2169 (pass_maybe_create_global_var): Remove.
2170 (init_alias_info): Do not declare aliases_computed_p.
2171 (maybe_create_global_var): If the function contains no
2172 call-clobbered variables and a mix of pure/const and regular
2173 function calls, create .GLOBAL_VAR.
2174 Mark all call-clobbered variables for renaming.
2175 (merge_pointed_to_info): Update comment.
2176 (add_pointed_to_var): Likewise.
2177 (is_escape_site): Likewise.
2178 Accept struct alias_info * instead of size_t *.
2180 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2182 * tree-ssa-operands.c (get_call_expr_operands): If
2183 ALIASES_COMPUTED_P is false, do not add call-clobbering
2185 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2186 (delete_tree_ssa): Likewise.
2188 2005-02-22 James E Wilson <wilson@specifixinc.com>
2190 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2191 (do_compile): Do call it here.
2193 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2195 PR rtl-optimization/20017.
2196 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2197 rest_of_handle_cse2, rest_of_handle_gcse): Call
2198 delete_dead_jumptables immediately before calling cleanup_cfg.
2200 2005-02-22 Devang Patel <dpatel@apple.com>
2203 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2206 2005-02-22 David Edelsohn <edelsohn@gnu.org>
2208 * config/rs6000/aix.h (WINT_TYPE): Define.
2210 2005-02-22 Stan Shebs <shebs@apple.com>
2212 * config/rs6000/rs6000.c (rs6000_override_options): Default to
2213 natural alignment for 64-bit Darwin.
2214 (rs6000_parse_alignment_option): Warn about uses of -malign-power
2216 * doc/invoke.texi: Document this.
2218 2005-02-22 DJ Delorie <dj@redhat.com>
2220 * c-common.c (c_common_type_for_mode): Pass the mode's precision
2221 to make_[un]signed_type, not the mode itself.
2223 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2225 * cfg.c (cached_make_edge): Call make_edge if edge cache is
2226 not available. Use tail calls wherever possible.
2227 (make_edge): Call unchecked_make_edge to create an edge.
2229 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2230 (coalesce_ssa_name): Don't check for
2231 SSANORM_USE_COALESCE_LIST.
2232 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2234 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2236 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2237 (rewrite_into_ssa): ... here.
2239 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
2241 PR tree-optimization/19786
2242 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2243 tag to another's may-alias bitmap when adding to the other's list.
2245 2005-02-21 DJ Delorie <dj@redhat.com>
2247 * tree-ssa-loop-ivopts.c (computation_cost): Start register
2248 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2249 registers in unsupported ways.
2250 * expmed.c (init_expmed): Likewise.
2252 2005-02-21 Stan Cox <scox@redhat.com>
2254 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2256 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2258 * tree-cfg.c (fold_cond_expr_cond): New.
2259 (make_edges): Call fold_cond_expr_cond.
2260 (find_taken_edge): Accept nothing but INTEGER_CST.
2261 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2263 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2265 * flow.c (delete_dead_jumptables): Speed up by scanning insns
2266 that do not belong to any basic block.
2268 2005-02-21 Jeff Law <law@redhat.com>
2270 * cfganal.c (find_unreachable_blocks): Manually CSE load of
2273 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2275 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2276 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2277 Adjust their definitions.
2278 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2279 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2281 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2282 genautomata.c, langhooks.c, langhooks.h, system.h,
2283 config/arm/lib1funcs.asm: Update copyright.
2285 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2287 * dbxout.c (dbxout_function_end): Emit Lscope label always.
2289 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
2292 * doc/install.texi: Document --with-gc.
2294 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
2296 * simplify-rtx.c (simplify_unary_operation): Add a missing
2299 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2301 PR tree-optimization/18663
2302 * tree-ssa-dom.c (extract_range_from_cond): Return 0
2303 if the type has variable bounds.
2305 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
2307 * gcse.c: Remove an obsolete comment.
2309 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2311 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
2313 * doc/extend.texi (Function Attributes) <Attribute const>: The
2314 attribute "pure" is below this text, not above.
2316 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2318 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2319 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2320 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2322 2005-02-20 Zack Weinberg <zack@codesourcery.com>
2325 * langhooks.h (struct lang_hooks): Add to_target_charset.
2326 * langhooks.c (lhd_to_target_charset): New function.
2327 * langhooks-def.h: Declare lhd_to_target_charset.
2328 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2329 (LANG_HOOKS_INITIALIZER): Update.
2330 * c-common.c (c_common_to_target_charset): New function.
2331 * c-common.h: Declare it.
2332 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2333 c_common_to_target_charset.
2335 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2336 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2338 * system.h: Poison them.
2339 * doc/tm.texi: Don't discuss them.
2340 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2341 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2342 (pp_c_char): Do not attempt to generate letter escapes for
2344 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2345 * config/mips/mips.c (mips_output_ascii): Likewise.
2347 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
2349 PR tree-optimization/19951
2350 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2353 2005-02-19 Steven Bosscher <stevenb@suse.de>
2356 * function.h (struct function): New field `max_loop_depth'.
2357 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2358 (flow_loops_find): Reset the max loop depth count before finding loops.
2359 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2360 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2361 (calculate_global_regs_live): Make sure the loop will terminate
2362 when the initial sets are not empty.
2364 2005-02-19 Zack Weinberg <zack@codesourcery.com>
2366 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2368 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2370 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
2373 * doc/invoke.texi: Remove documentation of %M spec.
2375 (init_spec): Remove %M suffix from -lgcc_s.
2376 (do_spec_1): Remove 'M' case.
2377 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
2378 to put shared libraries in the multilib directory. Remove the
2379 shlib_so_soname substitution variable. Don't add a multilib encoding
2380 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
2381 reported by -print-multi-os-directory. Pass @multilib_dir@ to
2382 SHLIB_INSTALL as well as SHLIB_LINK.
2383 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2384 (SHLIB_NAME): Delete.
2385 (SHLIB_DIR): New macro.
2386 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2387 (SHLIB_INSTALL): Adjust accordingly.
2388 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2389 * config/t-slibgcc-sld: Likewise.
2390 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2391 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2392 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2394 (SHLIBUNWIND_INSTALL): Adjust accordingly.
2395 * config/i386/t-nwld (SHLIB_SONAME): Delete.
2396 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2397 Use @shlib_base_name@ instead of @shlib_so_name@.
2398 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2399 and @shlib_base_name@.so in @multilib_dir@.
2400 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
2401 to the install path.
2402 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2403 (SHLIB_LINK): Remove previous workaround.
2404 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2405 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2406 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
2408 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2409 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
2410 (SHLIB_INSTALL): Adjust accordingly.
2411 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2412 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2413 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2414 config/t-slibgcc-elf-ver.
2416 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
2417 Jakub Jelinek <jakub@redhat.com>
2419 PR tree-optimization/19828
2420 * tree-ssa-loop-im.c: Add a TODO comment.
2421 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2422 without side-effects.
2424 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2426 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2429 2005-02-18 James E. Wilson <wilson@specifixinc.com>
2431 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2432 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2433 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2435 (ia64_reorg): Delete fixup_errata call.
2436 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2437 (TARGET_SWITCHES): Delete -mb-step entry.
2439 2005-02-19 Jakub Jelinek <jakub@redhat.com>
2442 * c-typeck.c (composite_type): Handle quals in transparent unions.
2443 (type_lists_compatible_p): Likewise.
2445 2005-02-18 Stan Shebs <shebs@apple.com>
2447 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2448 expressions in the .literal8 section.
2450 2005-02-18 Geoffrey Keating <geoffk@apple.com>
2452 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2454 2005-02-18 Roger Sayle <roger@eyesopen.com>
2456 * fold-const.c (constant_boolean_node): Always create values of the
2457 specified type, don't bother calling truthvalue_conversion.
2459 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2461 * except.c (output_function_exception_table): Call
2462 assemble_external_libcall (eh_personality_libfunc).
2464 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2467 * config/ia64/ia64.h (struct machine_function): Add state_num.
2468 * config/ia64/ia64.c (process_epilogue,
2469 process_for_unwind_directive): Use new unwind state numbers each
2470 time rather than state 1.
2472 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
2475 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2476 before the "*llgt_didi" pattern.
2478 2005-02-18 Jason Merrill <jason@redhat.com>
2480 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2482 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
2484 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2485 (div0): Use it in place of ARM_FUNC_ALIAS.
2486 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2488 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2491 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2492 access, the lower bound of the array type if it exists.
2494 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
2497 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2498 cases that are out-of-range for the index type.
2500 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2502 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2503 (estimate_case_costs): Don't call convert.
2504 * expmed.c (expand_shift): Likewise.
2505 (make_tree): Call fold_convert instead of convert.
2507 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2510 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2511 that ref to be marked MEM_READONLY_P doesn't have base that needs
2514 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2516 * genautomata.c (output_get_cpu_unit_code_func,
2517 output_cpu_unit_reservation_p): Don't generate old-style function
2520 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2523 PR tree-optimization/20009
2524 * convert.c (convert_to_integer): Revert 2005-02-16 change.
2526 PR tree-optimization/18947
2527 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2528 inline, remove all nodes that are inlined into the extern inline
2531 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2533 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2534 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2535 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2536 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2539 2005-02-17 Roger Sayle <roger@eyesopen.com>
2541 PR tree-optimization/19917
2542 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2543 to be potentially trapping.
2545 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2547 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2549 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
2551 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2552 tem becomes a local variable which is set to the value of the
2553 back end defined INITIAL_FRAME_ADDRESS macro.
2554 (expand_builtin_frame_address): Omit the base parameter to
2555 expand_builtin_return_addr.
2556 (expand_builtin_profile_func): Likewise.
2557 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2558 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2559 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2561 2005-02-17 Jakub Jelinek <jakub@redhat.com>
2563 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2564 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2565 * config/frv/frv.c (frv_function_epilogue): Likewise.
2567 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
2569 * lambda-code (perfect_nestify): Remove mark/unmark
2571 * tree-loop-linear.c (linear_transform_loops): Add
2572 rewrite_into_ssa call so that ssa is correct for
2573 rewriting into loop closed.
2575 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
2577 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2578 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2580 * bt-load.c (btr_def_live_range, combine_btr_defs,
2581 migrate_btr_def, migrate_btr_defs): Likewise.
2582 * cfgcleanup.c (thread_jump): Likewise.
2583 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2584 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2585 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2586 df_rd_local_compute, df_reg_info_compute): Likewise.
2587 * dominance.c (init_dom_info, free_dom_info): Likewise.
2588 * flow.c (init_propagate_block_info,
2589 free_propagate_block_info): Likewise.
2590 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2591 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2592 modify_reg_pav): Likewise.
2593 * loop-invariant.c (find_defs, find_invariant_insn,
2594 find_invariants, free_inv_motion_data): Likewise.
2595 * predict.c (tree_predict_by_opcode,
2596 estimate_bb_frequencies): Likewise.
2597 * stmt.c (expand_case): Likewise.
2598 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2599 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2600 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2601 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2602 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2603 rewrite_ssa_into_ssa): Likewise.
2604 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2605 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2606 analyze_edges_for_bb, perform_edge_inserts): Likewise.
2607 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2608 * tree-sra.c (tree_sra): Likewise.
2609 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2610 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2611 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2612 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2613 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2614 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2616 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2617 calculate_live_on_entry, calculate_live_on_exit,
2618 build_tree_conflict_graph): Likewise.
2619 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2620 record_important_candidates, set_use_iv_cost, find_depends,
2621 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2622 tree_ssa_iv_optimize_finalize): Likewise.
2623 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2624 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2625 tree_duplicate_loop_to_header_edge): Likewise.
2626 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2627 * tree-ssa.c (verify_flow_insensitive_alias_info,
2628 verify_name_tags, verify_ssa, init_tree_ssa,
2629 delete_tree_ssa): Likewise.
2630 * tree-ssanames.c (marked_ssa_names, init_ssanames,
2631 fini_ssanames): Likewise.
2632 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2634 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
2636 * config/rs6000/t-rtems: Completely reworked.
2638 2005-02-17 Ira Rosen <irar@il.ibm.com>
2640 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2642 2005-02-17 Ira Rosen <irar@il.ibm.com>
2644 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2645 POINTER_TYPE_P when checking that type is a pointer.
2646 (vect_get_memtag): Remove.
2647 (vect_address_analysis): Use POINTER_TYPE_P. Call
2648 vect_object_analysis with dummy parameter for memtag.
2649 (vect_object_analysis): Extract memtag (functionality that
2650 used to be in vect_get_memtag and moved here). Fix printings.
2651 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2652 with correct parameters. Remove call to vect_get_memtag.
2654 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
2656 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2657 (tree-vectorizer.o): Added missing dependencies.
2659 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2661 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2662 declaration in tree-vectorizer.c, now has an extern declaration in
2664 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2665 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2666 get_vectype_for_scalar_type, vect_is_simple_use,
2667 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2668 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2669 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2670 vectorizable_store, vectorizable_operation, vectorizable_assignment,
2671 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2672 find_loop_location): Likewise.
2674 * tree-vectorizer.c (langhooks.h): #include removed.
2675 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2676 moved to tree-vectorized.h.
2677 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2678 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2679 get_vectype_for_scalar_type, vect_is_simple_use,
2680 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2681 vect_supportable_dr_alignment, new_loop_vec_info,
2682 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2683 vect_set_verbosity_level, find_loop_location): Likewise.
2685 (vect_analyze_loop): Function externalized. Declaration moved to
2686 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2687 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2688 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2689 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2690 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2691 vect_enhance_data_refs_alignment, vect_analyze_operations,
2692 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2693 vect_stmt_relevant_p, vect_get_loop_niters,
2694 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2695 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2696 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2697 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2698 vect_get_memtag): Likewise.
2700 (vectorizable_load): Function externalized. Declaration moved to
2701 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2702 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2703 vect_transform_loop): Likewise.
2704 (vect_transform_stmt): Moved to tree-vect-transform.c.
2705 (vect_align_data_ref, vect_create_destination_var,
2706 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2707 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2708 vect_get_vec_def_for_operand, vect_init_vector,
2709 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2710 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2711 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2712 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2713 vect_do_peeling_for_loop_bound): Likewise.
2715 * tree-vect-analyze.c: New file.
2716 * tree-vect-transform.c: New file.
2718 2005-02-17 Jason Merrill <jason@redhat.com>
2720 PR mudflap/19319, c++/19317
2721 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2724 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
2726 * doc/install.texi (Specific): Update link for Darwin-specific
2729 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
2731 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2732 constant_boolean_node.
2734 2005-02-16 David Edelsohn <edelsohn@gnu.org>
2737 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2738 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2740 2005-02-16 Richard Henderson <rth@redhat.com>
2743 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2745 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2746 replace uses with Wtype_MAXp1_F.
2747 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2748 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2749 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2750 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2751 and HAVE_TFMODE as appropriate.
2752 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2753 (__floatdisf): Likewise.
2754 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2755 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2756 (Wtype_MAXp1_F): New.
2757 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2758 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2760 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
2763 * arm.c (arm_apply_result_size): New function.
2764 * arm.h (APPLY_RESULT_SIZE): Define.
2765 * arm-protos.h (arm_apply_result_size): Add prototype.
2766 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2767 (movxf): New expand.
2768 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2769 (call_value_symbol): Remove predicate for operand 0.
2770 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2771 (untyped_call): Rework to correclty return values for any type.
2772 (untyped_return): New expand.
2773 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2775 2005-02-16 Stan Shebs <shebs@apple.com>
2777 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2778 * config/rs6000/t-darwin8: New, for 64-bit multilib.
2780 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2782 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2783 configure settings on Solaris 7 and later.
2785 2005-02-16 Diego Novillo <dnovillo@redhat.com>
2787 PR tree-optimization/19865
2788 * tree-optimize.c (init_tree_optimization_passes): Run
2789 pass_may_alias after pass_sra.
2791 2005-02-16 Richard Henderson <rth@redhat.com>
2792 Stuart Hastings <stuart@apple.com>
2795 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2796 Do nothing if debug info suppressed for this function.
2797 (dbxout_begin_function): Early exit if debug info suppressed for
2800 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
2803 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2805 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2807 PR tree-optimization/19967
2808 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2809 expand_builtin_strchr, expand_builtin_strrchr): Take a new
2810 argument TYPE. Adjust calls to fold_builtin_XXX.
2811 (expand_builtin, fold_builtin_1): Adjust calls to
2813 (fold_builtin_strchr, fold_builtin_strpbrk,
2814 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2815 result to a requested type TYPE.
2817 2005-02-16 Jakub Jelinek <jakub@redhat.com>
2820 * fold-const.c (fold): Don't optimize (T)(x & cst) to
2821 (T)x & (T)cst if (T)cst overflows.
2822 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2823 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2825 2005-02-15 Jeff Law <law@redhat.com>
2827 * gcse.c (blocks_with_calls): New bitmap.
2828 (alloc_gcse_mem): Allocate it.
2829 (free_gcse_mem): Free it.
2830 (clear_modifY_mem_tables): Clear it.
2831 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2832 when we encounter CALL_INSNs.
2833 (compute_transp, case MEM): Handle blocks with calls separate
2834 from blocks without calls. Use bitmap iterators rather than
2837 2005-02-15 Peter O'Gorman <peter@pogma.com>
2840 * mklibgcc.in (vis_hide): Use a temporary object file, not
2843 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
2846 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2847 access optimization.
2849 2005-02-15 David Edelsohn <edelsohn@gnu.org>
2850 Alan Modra <amodra@bigpond.net.au>
2853 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2854 (_xlqsub): Rename to __gcc_qsub.
2855 (_xlqmul): Rename to __gcc_qmul.
2856 (_xlqdiv): Rename to __gcc_qdiv.
2857 Provide versioned symbol aliases with old names.
2858 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2859 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2860 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2861 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2862 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2864 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2866 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
2867 Fold ~(A - 1) and ~(A + -1) to -A.
2869 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2873 * config/host-linux.c (linux_gt_pch_use_address): Copy from
2874 config/pa/pa-host.c:pa_gt_pch_use_address.
2876 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
2878 * tree-vn.c (get_value_handle): Make sure that given an
2879 is_gimple_min_invariant expression, we always return it.
2881 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2883 * passes.c (rest_of_handle_gcse): Fix a comment.
2885 2005-02-15 Jeff Law <law@redhat.com>
2887 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2889 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2890 (canon_list_insert, record_last_mem_set_info): Similarly.
2891 (clear_modify_mem_tables): Similarly.
2893 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2895 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2896 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2897 config/mips/mips.md, config/rs6000/aix.h,
2898 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2900 2005-02-15 Richard Henderson <rth@redhat.com>
2902 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2903 call to be best_edge.
2905 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2907 * basic-block.h: Adjust the prototype for find_basic_blocks.
2908 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2909 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2912 * flow.c (recompute_reg_usage): Remove all arguments.
2913 * passes.c (rest_of_compilation): Adjust the call to
2914 recompute_reg_usage.
2915 * rtl.h: Adjust the prototype for recompute_reg_usage.
2917 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
2919 * tree-dump.c (dump_files): Update to reflect new member
2921 (dump_register): Add new argument.
2923 (dump_switch_p_1): Check against glob name if doglob was passed.
2924 (dump_switch_p): Check against regular first, then glob if
2925 we didn't have any hits on the dump name.
2926 * tree-optimize.c (register_one_dump_file):
2927 Pass in glob name as well.
2928 * tree-pass.h (struct dump_file_info): Add glob
2931 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
2933 PR preprocessor/16323
2934 * doc/invoke.texi: Document that -Wendif-labels is on by default.
2936 2005-02-14 David Edelsohn <edelsohn@gnu.org>
2939 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2940 (trunctfdf2_internal1): New.
2941 (trunctfdf2_internal2): Renamed from trunctfdf2.
2943 2005-02-14 Diego Novillo <dnovillo@redhat.com>
2945 PR tree-optimization/19853
2946 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2948 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2950 * passes.c (rest_of_handle_loop_optimize): Remove calls to
2951 delete_dead_jumptables and cleanup_cfg.
2953 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
2955 * reload.c (find_reloads): Swap address_reloaded flags when
2956 swapping commutative operands.
2958 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
2960 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2961 Use standard_iv_increment_position for computing the bsi position
2963 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2966 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2969 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2970 life range of hard registers.
2971 * value-prof.c (insn_prefetch_values_to_profile): Only
2974 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2975 profile in libcalls.
2977 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
2979 * bitmap.h (bitmap_and_compl_into): Return bool.
2980 * bitmap.c (bitmap_and_compl_into): Return changed flag.
2982 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2984 PR tree-optimization/19944
2985 * fold-const.c (fold): Re-add ABS_EXPR folding.
2987 2005-02-13 David Edelsohn <edelsohn@gnu.org>
2990 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2991 {TARGET,MASK}_XL_COMPAT.
2992 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
2994 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2995 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2997 (rs6000_arg_partial_bytes): Same.
2998 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2999 and XL compatibility enabled.
3000 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3001 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3002 test to final condition.
3003 (cmptf_internal2): New.
3004 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3005 xl-compat. Add TFmode information to description.
3007 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
3009 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3011 2005-02-13 Jason Merrill <jason@redhat.com>
3014 * fold-const.c (fold_indirect_ref_1): Split out from...
3015 (build_fold_indirect_ref): Here.
3016 (fold_indirect_ref): New fn.
3017 * tree.h: Declare it.
3018 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3019 (gimplify_modify_expr_rhs): Likewise.
3020 (gimplify_expr): Likewise.
3022 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
3024 PR tree-optimization/14303
3025 PR tree-optimization/15784
3026 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3027 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
3028 ABS_EXPR<x> != 0 to x != 0.
3030 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
3032 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3033 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
3034 spelling conventions.
3036 * passes.c (rest_of_handle_gcse): Don't run cse_main and
3037 delete_trivially_dead_insns too many times.
3039 * passes.c (rest_of_handle_gcse): Remove dead assignments to
3042 2005-02-12 Ira Rosen <irar@il.ibm.com>
3044 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3045 (vect_is_simple_iv_evolution): Remove redundant parameter
3047 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3048 without last parameter.
3049 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3050 Return pointer step. Call vect_is_simple_iv_evolution without
3051 last parameter. Check only that the step is multiple of size
3052 type. Remove stmt_vinfo updates.
3053 (vect_get_memtag_and_dr): Remove.
3054 (vect_get_memtag): New function.
3055 (vect_address_analysis): New function.
3056 (vect_object_analysis): New function.
3057 (vect_analyze_data_refs): Call vect_object_analysis and
3058 vect_get_memtag. Update stmt_vinfo fields.
3060 2005-02-12 Ira Rosen <irar@il.ibm.com>
3062 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3063 exist and are objects. Remove checks for pointer.
3064 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3065 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3066 (vect_create_data_ref_ptr): Likewise.
3067 (vect_base_addr_differ_p): New function.
3068 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3069 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3070 Don't set the DR_BASE_NAME field of data-ref.
3071 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3073 2005-02-12 Uros Bizjak <uros@kss-loka.si>
3075 * optabs.h (enum optab_index): Add new OTI_ldexp.
3076 (ldexp_optab): Define corresponding macro.
3077 * optabs.c (init_optabs): Initialize ldexp_optab.
3078 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3080 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3082 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3083 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3085 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3086 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3089 2005-02-12 Ira Rosen <irar@il.ibm.com>
3091 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3093 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3095 (vect_get_base_and_offset): Always return an address.
3096 (vect_create_addr_base_for_vector_ref): Remove treatment for
3097 different data reference types.
3098 (vect_compute_data_ref_alignment): Rename base to base_address in
3099 stmt_vec_info. Get the object in order to force its alignment.
3100 (vect_get_memtag_and_dr): Rename base to base_address in
3101 stmt_vec_info. Extract the object for memtag analysis.
3103 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
3105 PR regression/19898.
3106 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3107 changes cc_status, use apply modified_in_p to part of cc_status
3108 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3111 2005-02-11 Richard Henderson <rth@redhat.com>
3113 * tree-complex.c (expand_complex_libcall): New.
3114 (expand_complex_multiplication): Use it for c99 compliance.
3115 (expand_complex_division): Likewise.
3116 * fold-const.c (fold_complex_add, fold_complex_mult): New.
3118 * builtins.c (built_in_names): Remove const.
3119 * tree.c (build_common_builtin_nodes): Build complex arithmetic
3121 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3122 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3123 (built_in_names): Remove const.
3124 * c-common.c (c_common_type_for_mode): Handle complex modes.
3125 * flags.h, toplev.c (flag_complex_method): Rename from
3126 flag_complex_divide_method.
3127 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3128 __mulsc3, __muldc3, __mulxc3, __multc3): New.
3129 * libgcc2.h: Declare them.
3130 * libgcc-std.ver: Export them.
3131 * mklibgcc.in (lib2funcs): Build them.
3133 2005-02-11 Steven Bosscher <stevenb@suse.de>
3135 PR tree-optimization/19876
3136 Partially revert my change from 2005-01-14
3137 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3138 (compute_antic): ...and remove the loop here.
3140 2005-02-11 Jakub Jelinek <jakub@redhat.com>
3143 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3144 is number of inner's bits, avoid creating a BIT_FIELD_REF.
3146 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3147 crtend.o if -pie. Use %{x:a;:b} spec syntax.
3149 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
3151 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3152 offsets for the big-endian 32-bit case.
3154 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
3156 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3158 2005-02-11 Dale Johannesen <dalej@apple.com>
3160 * cselib.c (cselib_process_insn): Clear out regs where
3161 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3162 * reload.c (find_equiv_reg): Ditto.
3164 2005-02-11 Ian Lance Taylor <ian@airs.com>
3166 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3169 * tree.c (build_function_type_list): Work correctly if there are
3172 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
3174 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3175 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3176 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3177 TARGET_ZARCH instead of TARGET_64BIT.
3179 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
3181 * config/rs6000/t-rtems:
3182 (MULTILIB_OPTIONS): Remove mcpu=602.
3183 (MUTLILIB_DIRNAMES): Remove m602.
3184 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3185 Let mcpu=602 match mcpu=603.
3186 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3188 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3190 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3193 2005-02-10 David Daney <ddaney@avtrex.com>
3195 * config/alpha/linux-unwind.h: Add exception clause to copyright.
3196 * config/i386/linux-unwind.h: Likewise.
3197 * config/ia64/linux-unwind.h: Likewise.
3198 * config/mips/linux-unwind.h: Likewise.
3199 * config/pa/linux-unwind.h: Likewise.
3200 * config/rs6000/linux-unwind.h: Likewise.
3201 * config/s390/linux-unwind.h: Likewise.
3202 * config/sh/linux-unwind.h: Likewise.
3203 * config/sparc/linux-unwind.h: Likewise.
3205 2005-02-10 Steven Bosscher <stevenb@suse.de>
3207 PR tree-optimization/17549
3208 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3209 TER to replace a DEF with its expression if the DEF and the
3210 rhs of the expression we replace into have the same root
3213 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
3215 * config/mips/mips.md: Fix the placement of the match_scratch in the
3218 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3220 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3223 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3225 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3226 (strip_offset): Handle addresses.
3227 (add_address_candidates): Use strip_offset.
3228 (difference_cost): Reflect strip_offset change.
3229 (force_var_cost, difference_cost): Strip nops.
3231 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3233 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3235 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3236 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3237 config/cris/cris-protos.h, config/cris/cris.c: Update
3240 2005-02-10 Jeff Law <law@redhat.com>
3242 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3243 (lookup_avail_expr): Similarly.
3245 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
3247 * builtins.c (fold_builtin_powi): New function.
3248 (fold_builtin_1): Call it.
3250 2005-02-10 Steven Bosscher <stevenb@suse.de>
3252 PR documentation/19309
3253 * doc/cpp.texi: The __GNUC__ and related predefined macros
3254 are also defined for the "standalone" cpp.
3255 Some non-GCC compilers may also define __GNUC__.
3257 2005-02-10 Jakub Jelinek <jakub@redhat.com>
3260 * c-typeck.c (common_type): New routine. Old common_type renamed
3262 (c_common_type): ...this.
3263 (build_conditional_expr, build_binary_op): Use c_common_type instead
3266 2005-02-10 Steven Bosscher <stevenb@suse.de>
3268 * doc/md.texi: Replace @samp{length} with @code{length}.
3270 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3272 PR tree-optimization/18687
3273 * tree-flow.h (find_loop_niter): Declare.
3274 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3275 Try using scev even for loops with more than one exit.
3276 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3277 (struct ivopts_data): Added niters field.
3278 (struct nfe_cache_elt): New.
3279 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3281 (tree_ssa_iv_optimize_init): Initialize niters cache.
3282 (determine_number_of_iterations): Removed.
3283 (find_induction_variables): Do not call determine_number_of_iterations.
3284 Access niters for single exit through niter_for_single_dom_exit.
3285 (add_iv_outer_candidates): Access niters for single exit through
3286 niter_for_single_dom_exit.
3287 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
3288 number_of_iterations_cond.
3289 (iv_period): New function.
3290 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3291 (may_replace_final_value): Take data argument. Use
3292 niter_for_single_dom_exit.
3293 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3294 (rewrite_use_compare): Pass data to may_eliminate_iv.
3295 (rewrite_use_outer): Pass data to may_replace_final_value.
3296 (free_loop_data): Clean up the niters cache.
3297 (tree_ssa_iv_optimize_finalize): Free the niters cache.
3298 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3299 * tree-ssa-loop-niter.c (find_loop_niter): New function.
3300 (find_loop_niter_by_eval): Use tree_int_cst_lt.
3301 (num_ending_zeros): Moved to tree.c.
3302 * tree.h (num_ending_zeros): Declare.
3303 * tree.c (num_ending_zeros): Moved from tree.c.
3305 2005-02-09 Richard Henderson <rth@redhat.com>
3307 * builtins.c (DEF_BUILTIN): Add COND argument.
3308 * tree.h (DEF_BUILTIN): Likewise.
3309 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3310 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3312 (DEF_BUILTIN_STUB): New.
3313 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3314 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3315 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3316 * c-common.c (DEF_BUILTIN): Add COND argument.
3317 * tree.c (local_define_builtin): New.
3318 (build_common_builtin_nodes): New.
3320 2005-02-09 Roger Sayle <roger@eyesopen.com>
3322 * fold-const.c (fold_strip_sign_ops): New function to simplify a
3323 floating point expression ignoring the sign of the result.
3324 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3325 (fold) <MULT_EXPR>: Use it to simplify x*x.
3326 * tree.h (fold_strip_sign_ops): Prototype here.
3327 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3328 argument. Use fold_strip_sign_ops to simplify the first argument.
3329 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
3330 first argument when the second argument is an even integer
3331 constant, but only with -funsafe_math_optimizations.
3332 (fold_builtin_1): Update call to fold_builtin_copysign.
3334 2005-02-09 Ian Lance Taylor <ian@airs.com>
3337 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3338 just check whether EH_FILTER_FAILURE falls through.
3340 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
3342 * gcc/haifa-sched.c (schedule_block): Make queued sched group
3343 insns return to ready list in the next turn.
3345 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3348 * builtins.def: New __builtin_powi[lf].
3349 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3350 (expand_builtin_powi): New function.
3351 (expand_builtin): Dispatch to expand_builtin_powi.
3352 * libgcc2.h: Add prototypes for __builtin_powi[lf].
3353 * libgcc2.c: Add __builtin_powi[lf] implementation.
3354 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3355 * optabs.h: Add powi_optab.
3356 * optabs.c (init_optabs): Initialize powi_optab.
3357 * doc/extend.texi: Document __builtin_powi[lf].
3359 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
3361 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3364 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3367 * fold-const.c (try_move_mult_to_index): Remove redundant
3368 type argument. Create ADDR_EXPR with correct type.
3369 (fold): Update callers of try_move_mult_to_index. Convert
3370 result to the appropriate type.
3372 2005-02-09 Roger Sayle <roger@eyesopen.com>
3375 * config/avr/avr.c (default_rtx_costs): Delete.
3376 (avr_operand_rtx_cost): New function.
3377 (avr_rtx_costs): Completely rewrite.
3379 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
3382 * config/cris/cris.c (in_code): New variable.
3383 (cris_output_addr_const): Now a static function, a wrapper for
3385 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3386 case from old cris_output_addr_const.
3387 (cris_asm_output_label_ref): Similar for LABEL_REF.
3388 (cris_output_addr_const_extra): Similar for UNSPEC.
3389 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3390 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3391 * config/cris/cris-protos.h (cris_output_addr_const): Remove
3393 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3394 (cris_asm_output_label_ref): Declare.
3396 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
3398 PR preprocessor/19801
3399 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3400 filenames that changed when libcpp was moved to the toplevel.
3402 2005-02-07 Roger Sayle <roger@eyesopen.com>
3404 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3405 zero extensions of BImode operands. Call lowpart_subreg instead
3406 of gen_lowpart_common and gen_lowpart_SUBREG.
3408 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
3411 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3412 * configure.ac: Set cc_for_cross_gnattools.
3413 * configure: Regenerate.
3415 2005-02-08 Alan Modra <amodra@bigpond.net.au>
3418 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3420 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3423 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3424 of nested functions.
3426 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
3428 * doc/extend.texi: Document deprecated extensions allowing
3429 static floating-point members to have initializers and allowing
3430 floating-point literals in integral constant expressions.
3432 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
3434 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3435 config/darwin7.h, config/mips/mips.c,
3436 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3439 * cse.c: Update comments.
3441 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
3444 * builtins.c (fold_builtin_sqrt): Transform
3445 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3448 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
3449 Dorit Naishlos <dorit@il.ibm.com>
3451 * doc/invoke.texi (ftree-vectorizer-verbose): New.
3452 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3453 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3455 * tree.h (vect_set_verbosity_level): New extern function declaration
3457 * tree-vectorizer.h (verbosity_levels): New enum type.
3458 * tree-vectorizer.c (vect_debug_stats): Function removed.
3459 (vect_debug_details): Likewise.
3460 (vect_verbosity_level): Global variable was defined and initialized.
3461 (vect_dump): Global variable definition.
3462 (vect_print_dump_info): New function.
3463 (vect_set_dump_settings): New function.
3464 (vect_set_verbosity_level): New function.
3465 (vectorize_loops): Add call to vect_set_dump_settings.
3467 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3468 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3469 (slpeel_tree_peel_loop_to_edge): Likewise.
3471 (vect_analyze_offset_expr): Call to vect_print_dump_info with
3472 appropriate verbosity level instead of call to vect_debug_details
3473 or vect_debug_stats.
3474 (vect_get_base_and_offset):
3475 (vect_create_addr_base_for_vector_ref):
3476 (get_vectype_for_scalar_type):
3477 (vect_create_data_ref_ptr):
3479 (vect_get_vec_def_for_operand):
3480 (vect_finish_stmt_generation):
3481 (vectorizable_assignment):
3482 (vectorizable_operation):
3483 (vectorizable_store):
3484 (vectorizable_load):
3485 (vect_transform_stmt):
3486 (vect_update_ivs_after_vectorizer):
3487 (vect_do_peeling_for_loop_bound):
3488 (vect_update_inits_of_drs):
3489 (vect_do_peeling_for_alignment):
3490 (vect_transform_loop):
3491 (vect_is_simple_use):
3492 (vect_analyze_operations):
3493 (vect_is_simple_iv_evolution):
3494 (vect_analyze_scalar_cycles):
3495 (vect_analyze_data_ref_dependence):
3496 (vect_analyze_data_ref_dependences):
3497 (vect_compute_data_ref_alignment):
3498 (vect_enhance_data_refs_alignment):
3499 (vect_analyze_data_refs_alignment):
3500 (vect_analyze_data_ref_access):
3501 (vect_analyze_data_ref_accesses):
3502 (vect_analyze_pointer_ref_access):
3503 (vect_get_memtag_and_dr):
3504 (vect_analyze_data_refs):
3505 (vect_mark_relevant):
3506 (vect_stmt_relevant_p):
3507 (vect_mark_stmts_to_be_vectorized):
3508 (vect_can_advance_ivs_p):
3509 (vect_get_loop_niters):
3510 (vect_analyze_loop_form):
3511 (vect_analyze_loop):
3512 (vectorize_loops): Likewise.
3514 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3515 (vect_update_inits_of_drs):
3516 (vect_do_peeling_for_alignment):
3517 (vect_transform_loop):
3518 (vect_analyze_operations):
3519 (vect_analyze_scalar_cycles):
3520 (vect_analyze_data_ref_dependences):
3521 (vect_analyze_data_refs_alignment):
3522 (vect_analyze_data_ref_accesses):
3523 (vect_analyze_data_refs):
3524 (vect_mark_stmts_to_be_vectorized):
3525 (vect_get_loop_niters):
3526 (vect_analyze_loop_form):
3527 (vect_analyze_loop): Likewise.
3528 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3530 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
3534 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3535 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3536 either -ffast-math or -funsafe-math-optimizations is in use.
3538 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3539 * config/mips/irix-csr.c: New file.
3540 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3541 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3542 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3545 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
3547 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3548 redundant, incorrect definitions.
3550 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3552 ("*tls_indirect_call"): New, reference hard regs directly.
3553 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3555 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3557 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3558 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3560 2005-02-06 Roger Sayle <roger@eyesopen.com>
3562 PR rtl-optimization/19800
3563 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3564 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3567 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3569 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3571 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
3574 * doc/invoke.texi: Correct documentation of -freorder-functions.
3576 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3579 * doc/invoke.texi: Don't mention gccbug.
3581 2005-02-06 Roger Sayle <roger@eyesopen.com>
3582 Andrew Pinski <pinskia@physics.uc.edu>
3583 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
3585 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3586 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3587 into just (zero_extract:SI FOO (const_int 1) BAR).
3589 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3591 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
3592 macro locally. Don't give last revision date. Use GCC version
3593 number from gcc-common.texi.
3594 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
3595 revision date. Use GCC version number from gcc-common.texi.
3596 Describe being a library as current state rather than as 3.x
3598 * doc/gcc.texi: Remove last update date.
3599 * doc/gccint.texi: Likewise. Update copyright dates.
3600 * doc/install.texi: Update copyright dates.
3602 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3605 * doc/invoke.texi: Mention for each option included in -Wall that
3606 it is included in -Wall.
3607 * doc/gcc.texi: Update copyright and last modification date.
3609 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3611 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3612 unnecessary cast to original induction variable increments.
3614 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3616 PR tree-optimization/18219
3617 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3618 in distributed form.
3620 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
3622 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3623 Set bitpos and offset later in the function. Do nothing if the
3624 target is a register and if the bitfield lies completely outside
3626 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3627 here. Return an uninitialised register if the source value is stored
3628 in a register and the bitfield lies completely outside that register.
3630 2005-02-06 Steven Bosscher <stevenb@suse.de>
3632 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3635 2005-02-06 Marcin Dalecki <martin@dalecki.de>
3637 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3639 2005-02-06 Geoffrey Keating <geoffk@apple.com>
3641 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3642 * config/darwin8.h: New.
3643 * config/darwin7.h: Update comment.
3645 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3646 Dorit Naishlos <dorit@il.ibm.com>
3648 * tree-vectorizer.h (LOC): New type.
3649 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3650 (loop_line_number): New field in struct _loop_vec_info.
3651 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3653 * tree-vectorizer.c (input.h): Included.
3654 (find_loop_location): New function.
3655 (vect_debug_stats): Argument changed from loop to LOC. Computation of
3656 loop line number removed.
3657 (vect_debug_details): Likewise.
3658 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3660 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3661 call to vect_debug_details/stats changed from loop to loop_loc.
3662 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3663 (slpeel_tree_peel_loop_to_edge): Likewise.
3665 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3666 changed from NULL to UNKNOWN_LOC.
3667 (vect_get_base_and_offset):
3668 (vect_create_addr_base_for_vector_ref):
3669 (get_vectype_for_scalar_type):
3670 (vect_create_data_ref_ptr):
3672 (vect_get_vec_def_for_operand):
3673 (vect_finish_stmt_generation):
3674 (vectorizable_assignment):
3675 (vectorizable_operation):
3676 (vectorizable_store):
3677 (vectorizable_load):
3678 (vect_transform_stmt):
3679 (vect_update_ivs_after_vectorizer):
3680 (vect_do_peeling_for_loop_bound):
3681 (vect_do_peeling_for_alignment):
3682 (vect_transform_loop):
3683 (vect_is_simple_use):
3684 (vect_analyze_operations):
3685 (vect_is_simple_iv_evolution):
3686 (vect_analyze_scalar_cycles):
3687 (vect_analyze_data_ref_dependences):
3688 (vect_compute_data_ref_alignment):
3689 (vect_enhance_data_refs_alignment):
3690 (vect_analyze_data_ref_access):
3691 (vect_analyze_data_ref_accesses):
3692 (vect_analyze_pointer_ref_access):
3693 (vect_get_memtag_and_dr):
3694 (vect_analyze_data_refs):
3695 (vect_mark_relevant):
3696 (vect_stmt_relevant_p):
3697 (vect_mark_stmts_to_be_vectorized):
3698 (vect_can_advance_ivs_p):
3699 (vect_get_loop_niters):
3700 (vect_analyze_loop):
3701 (vectorize_loops): Likewise.
3703 (vectorizable_load): Argument in call to vect_debug_details/stats
3704 changed from loop to LOOP_LOC (loop_vinfo).
3705 (vect_transform_loop):
3706 (vect_analyze_operations):
3707 (vect_analyze_scalar_cycles):
3708 (vect_analyze_data_ref_dependence):
3709 (vect_enhance_data_refs_alignment):
3710 (vect_analyze_data_ref_accesses):
3711 (vect_analyze_pointer_ref_access):
3712 (vect_analyze_data_refs):
3713 (vect_analyze_loop): Likewise.
3715 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3716 changed from loop to loop_loc.
3718 (vect_enhance_data_refs_alignment): Removed unused variable loop.
3720 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3721 Dorit Naishlos <dorit@il.ibm.com>
3723 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3725 (vect_analyze_data_ref_dependences): Likewise.
3727 (vect_is_simple_use): Argument changed from loop structure to
3728 loop_vect_info structure.
3729 (vect_can_advance_ivs_p): Likewise.
3730 (vect_create_index_for_vector_ref): Likewise.
3731 (vect_update_ivs_after_vectorizer): Likewise.
3732 (new_stmt_vec_info): Likewise.
3734 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3735 changed from loop to loop_vinfo.
3736 (vect_create_data_ref_ptr): First argument in call to
3737 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3738 (vectorizable_assignment): Second argument in call to vect_is_simple_use
3739 was changed from loop to loop_vinfo.
3740 (vectorizable_operation): Likewise.
3741 (vectorizable_store): Likewise.
3742 (vect_mark_stmts_to_be_vectorized): Likewise.
3743 (vect_do_peeling_for_loop_bound): First argument in call to
3744 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3745 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3746 was changed from loop to loop_vinfo.
3747 (vect_analyze_data_ref_dependences): Third argument in call to
3748 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3750 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3751 (vect_create_data_ref_ptr): Likewise.
3752 (vect_init_vector): Likewise.
3753 (vect_get_vec_def_for_operand): Likewise.
3754 (vectorizable_assignment): Likewise.
3755 (vectorizable_operation): Likewise.
3756 (vectorizable_store): Likewise.
3757 (vectorizable_load): Likewise.
3758 (vect_update_ivs_after_vectorizer): Likewise.
3759 (vect_is_simple_use): Likewise.
3760 (vect_analyze_data_ref_dependence): Likewise.
3761 (vect_analyze_pointer_ref_access): Likewise.
3762 (vect_can_advance_ivs_p): Likewise.
3764 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3765 before _stmt_vec_info.
3766 (_stmt_vec_info): Loop field replaced by loop_vec_info.
3767 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3768 (new_stmt_vec_info): Argument changed from loop structure to
3769 loop_vect_info structure
3771 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3772 (vect_analyze_offset_expr): Avoid 80 columns overflow.
3773 (vect_create_addr_base_for_vector_ref): Likewise.
3774 (vect_analyze_pointer_ref_access): Likewise.
3776 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3779 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3780 phi flag if the phi is abnormal.
3782 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3785 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3786 information for the new statement.
3788 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3791 * gcc.c (main): Include the target in -v output.
3793 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
3795 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3796 Do not drop the extend if we'd have to add a paradoxical subreg
3797 later. Include optabs.h and insn-codes.h.
3798 * Makefile.in (combine.o): Depend on $(OPTABS_H).
3800 2005-02-02 Roger Sayle <roger@eyesopen.com>
3803 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3804 * fold-const.c (const_binop): Avoid constant folding floating
3805 point operations in modes that use composite representations.
3806 * simplify-rtx.c (simplify_binary_operation): Likewise.
3808 2005-02-02 Geoffrey Keating <geoffk@apple.com>
3810 * config/rs6000/altivec.md (altivec_dst): Make the first operand
3812 (altivec_dstt): Likewise.
3813 (altivec_dstst): Likewise.
3814 (altivec_dststt): Likewise.
3815 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3818 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3820 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3821 EXPR_LOCUS from orig_cond to the new cond_stmt.
3822 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3825 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3827 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3828 standard_iv_increment_position. Remove call to bsi_next
3829 (no need to bump the iterator anymore).
3830 (vect_create_index_for_vector_ref): Call
3831 standard_iv_increment_position. Remove second function argument.
3832 (vect_finish_stmt_generation): Remove call to bsi_next
3833 (no need to bump the iterator anymore).
3834 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3835 to vect_create_index_for_vector_ref.
3837 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3839 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3840 phis are used out of the loop.
3842 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3845 * c-decl.c (undef_nested_function): New variable.
3846 (pop_scope): Diagnose undefined nested functions.
3847 (finish_function): Don't attempt cgraph processing or genericizing
3848 if current top-level function contained an undefined nested
3849 function. Reset undef_nested_function at the end of a top-level
3852 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3854 * tree.c (build_int_cst_type): Take sign of the value into account
3855 when deciding whether sign extend the value.
3857 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3860 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3861 (cpp_options, cc1_options): Change %{std*&ansi} to
3862 %{std*&ansi&trigraphs}.
3864 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3866 * cse.c: Update comments.
3868 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
3870 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3871 arguments go on the stack. Do not put complex doubles in odd/even
3874 2005-02-02 Steven Bosscher <stevenb@suse.de>
3876 * doc/invoke.texi: Update the options enabled at -O1, -O2,
3877 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
3878 -ftree-pre, and -fthread-jumps.
3880 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
3882 PR tree-optimization/19578
3883 * tree-flow.h (modified_noreturn_calls): Declare.
3884 (noreturn_call_p): Declare.
3885 * tree-flow-inline.h (noreturn_call_p): New function.
3886 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3887 * tree-cfg.c (modified_noreturn_calls): New variable.
3888 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
3889 that contain a mid-block noreturn call.
3890 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3892 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3894 * df.c (df_def_record_1, df_uses_record): Don't use
3896 * df.h (DF_FOR_REGALLOC): Remove.
3898 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3901 * c-typeck.c (really_start_incremental_init): Reset
3902 constructor_max_index for arrays of incomplete type.
3904 2005-02-02 Jeff Law <law@redhat.com>
3906 * gcse.c (struct reg_set): Store the block index where the register
3907 was set rather than the setting insn.
3908 (record_one_set, compute_transp): Corresponding changes.
3909 (pre_insert_copy_insn): Do not call replace_one_set.
3910 (replace_one_set): Remove.
3912 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3915 * doc/gcov.texi: Fix typo.
3917 2005-02-01 Richard Henderson <rth@redhat.com
3920 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3921 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3923 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3924 * config/i386/i386-protos.h: Update.
3926 2005-02-01 Steven Bosscher <stevenb@suse.de>
3928 PR tree-optimization/19217
3929 * tree-cfg.c (verify_expr): Use the data field to see if TP was
3930 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
3931 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3932 that it is walking a PHI node.
3934 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
3936 * doc/extend.texi (Nested Functions): Update.
3938 2005-02-01 Richard Henderson <rth@redhat.com>
3941 * optabs.c (expand_copysign_absneg): Export.
3942 * optabs.h (expand_copysign_absneg): Declare.
3943 * config/rs6000/rs6000.md (copysigntf3): New.
3945 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3947 PR tree-optimization/19633
3948 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3949 * tree-ssa-alias.c (init_alias_info): Initialize.
3950 (merge_pointed_to_info): Set.
3951 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3952 (dump_points_to_info_for): Show value of pt_null.
3953 (struct count_ptr_d): Declare.
3954 (find_ptr_dereference): Remove.
3955 (ptr_is_dereferenced_by): Remove.
3956 (count_ptr_derefs): New local function.
3957 (count_uses_and_derefs): New local function.
3958 (compute_points_to_and_addr_escape): Call it. If the number
3959 of dereferences is greater than zero, mark the pointer as
3960 dereferenced. If there are fewer dereferences than uses of
3961 the pointer, the pointer's value escapes.
3963 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3965 PR tree-optimization/19670
3966 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3968 (verify_use): ... set it here, instead.
3970 2005-02-01 Janis Johnson <janis187@us.ibm.com>
3972 * doc/sourcebuild.texi (Test directives): Fix formatting.
3974 * doc/sourcebuild.texi (Test directives): Describe selector
3977 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
3979 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3980 specific 64-bit CPUs.
3982 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
3985 * arm.c (arm_eliminable_register): New function.
3986 (adjacent_mem_locations): Don't allow eliminable registers. Use
3987 HOST_WIDE_INT for address offsets.
3988 * arm-protos.h (arm_eliminable_register): Add prototype.
3990 2005-02-01 Steven Bosscher <stevenb@suse.de>
3992 PR optimization/15242
3993 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3994 * basic-block.h (duplicate_computed_gotos): Add prototype.
3995 * bb-reorder.c (duplicate_computed_gotos): New function to
3996 duplicate sufficiently small blocks ending in a computed jump.
3997 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3998 if not optimizing for size.
3999 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4000 never do tail merging for blocks ending in a computed jump.
4001 * doc/invoke.texi: Document the max-goto-duplication-insns param.
4003 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
4005 Patch from Richard Sandiford <rsandifo@redhat.com>
4006 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4007 from inheriting a subreg equivalence with a non-spill register.
4009 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4011 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
4013 * config/frv/frv.c (movcc_fp_destination_operand): New.
4014 (gpr_or_memory_operand): Fix typo in comment.
4015 (gpr_or_memory_operand_with_scratch): New.
4016 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4017 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4018 movcc_fp_destination_operand.
4019 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4020 Legitimize memory addresses using a scratch register.
4022 2005-01-31 Jeff Law <law@redhat.com>
4024 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4025 bitmap a sparse bitmap instead of a simple bitmap.
4026 (mark_def_sites_initialize_block): Corresponding changes.
4027 (ssa_mark_def_sites_initialize_block): Likewise.
4028 (ssa_mark_phi_uses): Likewise.
4029 (mark_def_site, ssa_mark_def_sites): Likewise.
4030 (mark_def_site_blocks): Likewise.
4031 (rewrite_ssa_into_ssa): Likewise.
4033 * tree-ssa-dom.c (record_cond): Pass correct variable type
4034 for last argument to htab_find_slot_with_hash.
4036 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4037 effects when optimizing 0 % X. Do not try to optimize X % 0.
4039 2005-01-31 James E. Wilson <wilson@specifixinc.com>
4041 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4044 2005-02-01 Eric Christopher <echristo@redhat.com>
4046 * config/mips/mips.c (override_options): Warn if -mint64
4048 * doc/invoke.texi (MIPS Options): Document that -mint64 is
4051 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
4053 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
4055 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4056 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4057 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4058 (cached_regno): Initialize to INVALID_REGNUM.
4059 (cse_reg_info_table_size,
4060 cse_reg_info_table_first_uninitialized,
4061 cse_reg_info_timestamp): New.
4062 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4064 (init_cse_reg_info, get_cse_reg_info_1): New.
4065 (get_cse_reg_info): Cache the last look-up.
4066 (new_basic_block): Update the code to clear mappings from
4067 registers to cse_reg_info entries.
4068 (cse_main): Call init_cse_reg_info.
4070 * cse.c (get_cse_reg_info): Update a comment.
4072 2005-01-31 Steven Bosscher <stevenb@suse.de>
4075 * c-decl.c (start_decl): Do not warn about arrays of elements with
4076 an incomplete type here.
4077 (grokdeclarator): Do it here by making a pedwarn an error.
4078 * c-typeck.c (push_init_level): If there were previous errors with
4079 the constructor type, do not warn about braces for initializers.
4080 (process_init_element): Likewise for excess initializer elements.
4082 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
4084 * cse.c (delete_trivially_dead_insn): Don't iterate.
4086 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4088 * config/rs6000/rs6000.md (copysignsf3): New expand.
4089 (copysigndf3): Likewise.
4091 2005-01-31 Steven Bosscher <stevenb@suse.de>
4093 * recog.c (constrain_operands): Only look for earlyclobber operand
4094 conflicts if an '&' constraint was seen.
4096 2005-01-31 Marc Espie <espie@openbsd.org>
4098 * config.gcc: Don't include embedded systems fragment, switches default
4099 debugging format to ELF.
4100 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4101 longer pick it up there.
4103 2005-01-31 Dale Johannesen <dalej@apple.com>
4105 * doc/extend.texi (nested functions): Fix linkage description.
4106 Clarify that static is not allowed.
4108 2005-01-31 Dale Johannesen <dalej@apple.com>
4110 * config/rs6000/darwin.md (movsf_low_di): Make work.
4111 (movdf_low_di): Make work.
4113 2005-01-31 Dale Johannesen <dalej@apple.com>
4115 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4116 Make work for 64 bit.
4118 2005-01-31 Roger Sayle <roger@eyesopen.com>
4119 Dale Johannesen <dalej@apple.com>
4122 * fold-const.c (fold_binary_op_with_conditional_arg):
4123 Make types match original operands, before STRIP_NOPS.
4125 2005-01-31 Alan Modra <amodra@bigpond.net.au>
4127 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4128 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
4129 (struct gcc_sigcontext): Delete. Merge contents to..
4130 (struct gcc_ucontext): ..here.
4131 (get_sigcontext): Delete.
4132 (get_regs): New function, like get_sigcontext but return regs ptr.
4133 64-bit version finds regs from r1 to support vdso.
4134 (ppc_linux_aux_vector): New function.
4135 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
4138 2005-01-31 Ira Rosen <irar@il.ibm.com>
4140 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4142 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4143 redundant fold. Fix misalignment for MINUS_EXPR.
4144 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4145 (vect_analyze_pointer_ref_access): Likewise.
4146 (vect_get_memtag_and_dr): Likewise.
4148 2005-01-31 Richard Henderson <rth@redhat.com>
4150 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4151 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4152 absnegdf2_i387, absnegxf2_i387): Likewise.
4154 2005-01-31 Richard Henderson <rth@redhat.com>
4157 * optabs.c (expand_copysign_absneg): New.
4158 (expand_copysign_bit): Split out from ...
4159 (expand_copysign): ... here. Use expand_copysign_absneg.
4161 2005-01-30 Roger Sayle <roger@eyesopen.com>
4164 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4165 constant as the second operand and a register as the third.
4167 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
4170 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
4171 that dllimport'd functions do not use all call-clobbered registers
4174 2005-01-30 Richard Henderson <rth@redhat.com>
4177 * optabs.c (expand_absneg_bit): Split out from expand_unop and
4178 expand_abs_nojump and generalize. Use operand_subword and
4179 emit_no_conflict_block. Support large modes.
4180 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
4182 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
4183 negation to subtraction.
4184 (expand_copysign): Check that the format has signed zeros.
4185 Use operand_subword and emit_no_conflict_block. Support large modes.
4187 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
4189 Fix PR tree-optimization/19624
4191 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4192 * tree-ssa-pre.c: Add cfgloop.h.
4194 (pre_stats): New member, constified.
4195 (inserted_exprs): New static variable.
4196 (NECESSARY): New macro.
4197 (create_expression_by_pieces): Fold the expression, and
4198 mark it as defaulting to not necessary. Also put in
4200 (fully_constant_expression): New function.
4201 (insert_into_preds_of_block): Modify to not insert phis when we
4202 are playing with induction variables.
4203 Push phis onto the inserted_exprs vector, and mark them as not
4204 necessary by default.
4205 (insert_aux): Call fully_constant_expression on eprime.
4206 If all edges produce the same value, mark it constant.
4207 (mark_operand_necessary): New function.
4208 (remove_dead_inserted_code): New function.
4209 (init_pre): Init loop optimizer to get loop info.
4210 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4211 (execute_pre): Commit edge inserts, then remove dead code.
4213 2005-01-30 Richard Henderson <rth@redhat.com>
4215 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4216 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4218 2005-01-30 Richard Henderson <rth@redhat.com>
4221 * config/i386/i386.c (ix86_expand_copysign): New.
4222 (ix86_split_copysign_const): New.
4223 (ix86_split_copysign_var): Rename from ix86_split_copysign,
4224 rearrange op1/nmask operands.
4225 * config/i386/i386-protos.h: Update.
4226 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4227 (copysigndf3): Likewise.
4228 (copysignsf3_const, copysigndf3_const): New.
4229 (copysignsf3_var): Rename from copysignsf3, split out splitter
4230 and fix split predicate for X constraint.
4231 (copysigndf3_var): Similarly.
4233 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
4235 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4236 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4237 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4239 2005-01-29 Richard Henderson <rth@redhat.com>
4242 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4243 of # and * in constraints.
4245 2005-01-29 Richard Henderson <rth@redhat.com>
4248 * expr.c (store_field): Don't strip sub-mode cast when the input
4249 data is even smaller.
4251 2005-01-29 Richard Henderson <rth@redhat.com>
4254 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4257 2005-01-29 Richard Henderson <rth@redhat.com>
4259 * combine.c (make_field_assignment): Fix argument order
4262 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
4264 PR tree-optimization/15791
4265 * fold-const.c (extract_array_ref): New function.
4266 (fold): Fold comparisons between &a[i] and &a[j] or
4267 semantically equivalent trees.
4269 2005-01-29 Jeff Law <law@redhat.com>
4271 * gcse.c (insert_expr_in_table): Revamp handling of available
4272 and anticipatable occurrence lists to avoid unnecessary list
4274 (insert_set_in_table): Similarly.
4276 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
4278 * c-common.c (fix_string_type): Just use c_build_qualified_type to
4280 (c_build_qualified_type): Build qualified array types with
4281 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4282 * c-decl.c (c_make_fname_decl): Build unqualified array type
4283 before qualified type.
4284 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4285 type is qualified, not just if type itself is. Don't apply
4286 qualifiers to array type when declarator is processed. Apply
4287 qualifiers to field type whether or not it is an array type.
4288 Don't handle array types specially for applying qualifiers to
4290 * c-typeck.c (composite_type): Build unqualified element type and
4291 array type when forming composite of array types.
4292 (common_pointer_type, comptypes, comp_target_types,
4293 type_lists_compatible_p, build_indirect_ref, build_array_ref,
4294 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4296 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4297 (args2) in variables a1 and a2.
4299 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
4301 * cse.c (n_elements_made, max_elements_made): Remove.
4302 (insert): Don't touch n_elements_made.
4303 (cse_main): Don't touch n_elements_made or max_elements_made.
4305 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
4308 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4309 configuration part of dp-bit.c to be lost.
4311 2005-01-28 Roger Sayle <roger@eyesopen.com>
4313 * expmed.c (expand_mult_highpart_optab): When attempting to use
4314 a non-widening multiplication in a wider mode, the operands need
4315 to be converted (zero or sign extended) to that mode.
4317 2005-01-28 Ian Lance Taylor <ian@airs.com>
4321 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4322 through if both operands fall through.
4324 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4326 * cse.c (fold_rtx) <PC>: Don't optimize.
4328 2005-01-28 Jeff Law <law@redhat.com>
4330 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4331 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4333 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4335 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4336 cse_reg_info_used_list_end): Remove.
4337 (cse_reg_info_list, cse_reg_info_list_free): New.
4338 (get_cse_reg_info): When allocating an instance of
4339 cse_reg_info, add it to the beginning of the cse_reg_info_list
4340 list. Remove code to maintain cse_reg_info_used_list.
4341 (new_basic_block): Reset the free list to the beginning of
4344 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
4346 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4347 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4348 (frv_expand_mdpackh_builtin): New function.
4349 (frv_expand_builtin): Use it to expand __MDPACKH.
4350 * doc/extend.texi (__MDPACKH): Update documentation.
4352 2005-01-28 Uros Bizjak <uros@kss-loka.si>
4354 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4355 SSE_FLOAT_MODE_P for use_sse computation.
4357 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
4360 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4362 2005-01-27 Richard Henderson <rth@redhat.com>
4364 * builtins.c (expand_builtin_copysign): New.
4365 (expand_builtin): Call it.
4366 * genopinit.c (optabs): Add copysign_optab.
4367 * optabs.c (init_optabs): Initialize it.
4368 (expand_copysign): New.
4369 * optabs.h (OTI_copysign, copysign_optab): New.
4370 (expand_copysign): Declare.
4372 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4373 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4375 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4376 (ix86_expand_fp_absneg_operator): ... here.
4377 (ix86_split_copysign): New.
4378 * config/i386/i386-protos.h: Update.
4379 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4380 (copysignsf3, copysigndf3): New.
4382 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4383 (copysignsf3, ncopysignsf3): New.
4384 (copysigndf3, ncopysigndf3): New.
4385 (copysignxf3, ncopysignxf3): New.
4386 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4388 2005-01-27 Arend Bayer <arend.bayer@web.de>
4389 Kazu Hirata <kazu@cs.umass.edu>
4391 * cse.c: (find_best_addr): Don't call copy_rtx before calling
4392 fold_rtx. Save cost recomputation if fold_rtx did nothing.
4393 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4396 2005-01-27 Jeff Law <law@redhat.com>
4398 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4399 definitions of SSA_NAMEs which are not being rewritten.
4400 (rewrite_ssa_into_ssa): Only initialize the current definition
4401 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4402 If checking is enabled, assert that SSA_NAME_AUX is clear for all
4403 SSA_NAMEs before returning.
4405 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
4407 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4408 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4409 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4410 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4411 config/mips/iris6.h, config/sh/sh.c: Update copyright.
4413 2005-01-27 Steven Bosscher <stevenb@suse.de>
4416 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4417 higher to -O2 and higher. Likewise for tree PRE.
4418 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4421 2005-01-27 Ian Lance Taylor <ian@airs.com>
4424 * gimple-low.c (try_catch_may_fallthru): New static function.
4425 (block_may_fallthru): Handle TRY_CATCH_EXPR.
4426 * tree-inline.c (expand_call_inline): Don't warn about reaching
4427 the end of a non-void function being inlined if the function uses
4430 2005-01-27 Jakub Jelinek <jakub@redhat.com>
4432 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4435 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4436 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4437 (implicitly_declare): Handle error_mark_node.
4439 2005-01-27 Richard Henderson <rth@redhat.com>
4442 * tree.h (struct tree_decl): Add debug_expr_is_from.
4443 (DECL_DEBUG_EXPR_IS_FROM): New.
4444 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4445 * dwarf2out.c (dwarf2out_var_location): Update to match.
4446 * tree-outof-ssa.c (create_temp): Likewise.
4447 * var-tracking.c (track_expr_p): Likewise.
4448 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4449 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4450 * toplev.c (default_tree_printer): Likewise.
4452 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
4454 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4455 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4457 2005-01-27 Steven Bosscher <stevenb@suse.de>
4459 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4460 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4461 ASM_CLOBBERS): Add tree checks.
4463 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4464 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4465 * c-common.def (SWITCH_STMT): Update to match.
4466 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4467 macros instead of SWITCH_EXPR ones.
4468 * c-dump.c (c_dump_tree): Likewise.
4469 * c-gimplify.c (gimplify_switch_stmt): Likewise.
4470 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4472 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4474 2005-01-27 Alan Modra <amodra@bigpond.net.au>
4476 * unwind-dw2.c (execute_stack_op): Add missing cases for
4477 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4479 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
4481 * config.gcc (Obsolete configurations): Remove 'dummy', add
4482 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4485 2005-01-26 Diego Novillo <dnovillo@redhat.com>
4487 PR tree-optimization/19633
4488 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4490 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4491 are no call-clobbered variables.
4492 * tree-outof-ssa.c (check_replaceable): Return false for calls
4495 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
4497 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4498 even for variables with NULL DECL_INITIAL.
4500 2005-01-26 Stuart Hastings <stuart@apple.com>
4502 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4504 2005-01-26 Richard Henderson <rth@redhat.com>
4507 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4509 * expr.c (store_field): Strip conversions to odd-bit-sized types
4510 if the destination field width matches.
4512 2005-01-26 Richard Henderson <rth@redhat.com>
4514 * c-decl.c, expmed.c, expr.c: Revert last change.
4516 2005-01-26 Richard Henderson <rth@redhat.com>
4519 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4521 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4522 if we don't need the bits above those present in the current mode.
4523 * expr.c (store_field): Strip conversions to odd-bit-sized types
4524 if the destination field width matches.
4526 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
4528 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4529 either -ffast-math or -funsafe-math-optimizations is in use.
4531 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
4535 * config/avr/avr.c (notice_update_cc): Only set condition code for
4536 ashrqi3 if shift count > 0.
4537 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4538 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4539 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4540 count <= 0 as a no-op, and shift count >= width by copying zero
4541 or sign bit to all bits of the result.
4542 * config/avr/avr.md (all shifts): Add alternatives for zero shift
4543 count, with attribute "length" set to 0 and "cc" set to "none".
4545 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4547 * doc/invoke.texi: Document -mTLS.
4549 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4550 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4551 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4552 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4553 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4554 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4555 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4556 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4558 * configure.ac: Check for a TLS capable gas.
4560 * configure: Regenerate.
4562 2005-01-26 Richard Henderson <rth@redhat.com>
4565 * combine.c (make_field_assignment): Simplify store to zero_extract
4566 from a source with an overlapping mask.
4568 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4570 2004-11-11 Eric Christopher <echristo@redhat.com>
4572 * config/frv/frv.md: Add fr400_integer automaton. Don't
4573 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4576 2005-01-26 Steven Bosscher <stevenb@suse.de>
4579 * cfgbuild.c (make_edges): Do not clear or set
4580 current_function_has_computed_jump.
4581 * function.h (struct function): Remove the has_computed_jump field.
4582 (current_function_has_computed_jump): Do not define.
4583 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4584 in a computed jump. Ignore current_function_has_computed_jump.
4586 2005-01-26 Richard Henderson <rth@redhat.com>
4589 * expr.c (categorize_ctor_elements): New argument p_must_clear.
4590 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
4592 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4593 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
4594 objects into static storage if they have more than one non-zero value.
4595 * tree.h (categorize_ctor_elements): Update decl.
4597 2005-01-26 Steven Bosscher <stevenb@suse.de>
4600 * tree.h (CALL_EXPR_TAILCALL): Add comment.
4601 * calls.c (check_sibcall_argument_overlap_1): Revert the change
4602 to this function from 2004-07-10.
4603 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4604 the current function for tail call optimizations if the address
4605 of one of it its arguments is taken.
4607 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
4609 * cse.c (fold_rtx): Call equiv_constant only when necessary.
4611 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
4613 * function.c (expand_function_end): If current_function_calls_alloca,
4614 emit stack restore in a place that is reached when the function falls
4617 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
4619 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4620 rule to avoid matching inappropriate suffix rule.
4622 2005-01-26 Jan Hubicka <jh@suse.cz>
4624 PR tree-optimization/19241
4625 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4627 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4629 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4630 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
4632 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4633 <sim*>: Always use crt1.o, regardless of N in simN.
4634 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4635 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4636 (CRT_CALL_STATIC_FUNCTION): Remove.
4637 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4638 use crt1.o, regardless of N in simN.
4639 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4640 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4641 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4642 case isystem setting.
4643 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4645 2005-01-25 Ian Lance Taylor <ian@airs.com>
4647 * gimple-low.c (block_may_fallthru): Correct handling of
4648 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4650 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4652 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4653 handlers to match indentation; nested under the mtune=* handler.
4654 Similar for mcpu= and march=.
4656 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
4658 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4659 * config/mips/linux64.h (LIB_SPEC): Likewise.
4660 * config/mn10300/linux.h (LIB_SPEC): Likewise.
4661 * config/sh/linux.h (LIB_SPEC): Likewise.
4663 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
4665 * config/frv/frv.c (frv_legitimize_tls_address): New.
4666 (TARGET_HAVE_TLS): Define.
4667 (FRV_SYMBOL_REF_TLS_P): Define.
4668 (frv_override_options): Handle new register classes.
4669 (frv_legitimate_address_p): Reject tls addresses.
4670 (frv_legitimize_address): Handle TLS addresses.
4671 (gen_inlined_tls_plt): New.
4673 (frv_legitimize_tls_address): New.
4674 (unspec_got_name): Add TLS entries.
4675 (got12_operand): Add R_FRV_TLSMOFF12 case.
4676 (frv_emit_move): Fixup TLS addresses.
4677 (frv_emit_movsi): Legitimize TLS addresses.
4679 * config/frv/frv.h (MASK_BIG_TLS): New.
4680 (TARGET_BIG_TLS): New.
4681 (HAVE_AS_TLS): Define.
4682 (TARGET_SWITCHES): Add -mTLS and -mtls options.
4683 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4684 (REG_CLASS_NAMES): Same.
4685 (REG_CLASS_CONTENTS): Same.
4686 (CONSTRAINT_LEN): New.
4687 (REG_CLASS_FROM_CONSTRAINT): New.
4688 (PREDICATE_CODES): Add symbolic_operand.
4690 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4691 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4692 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4693 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4694 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4695 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4696 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4697 GR9_REG, GR14_REG, LRREG.
4698 (type): Add load_or_call attribute.
4699 ("load_or_call"): New reservation.
4700 ("call_gettlsoff"): New.
4701 ("tls_indirect_call"): New.
4702 ("tls_load_gottlsoff12"): New.
4703 ("tlsoff_hilo"): New.
4704 ("tls_tlsdesc_ldd"): New.
4705 ("tls_tlsoff_ld"): New.
4708 * config/frv/frv-protos.h (symbolic_operand): Protoize.
4710 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
4712 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4713 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4714 * config/frv/frv.c (TLS_BIAS): Define.
4715 (frv_output_dwarf_dtprel): New.
4717 2005-01-26 Jakub Jelinek <jakub@redhat.com>
4719 PR rtl-optimization/19579
4720 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4721 both A and B, see if they don't clobber registers the other expr uses.
4723 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
4725 * real.c (do_add): Initialize signalling and canonical members.
4727 * real.c (real_from_integer): Zero out destination.
4729 2005-01-18 Jan Hubicka <jh@suse.cz>
4731 PR tree-optimize/19337
4732 * tree-inline.c (initialize_inlined_parameters): Copy
4733 saved_static_chain_decl only.
4735 2005-01-25 Richard Henderson <rth@redhat.com>
4739 * config/i386/i386.c (x86_inter_unit_moves): Zero.
4740 (ix86_preferred_reload_class): Rewrite fp-constant section, with
4741 80387 enabled, to return a proper subclass. Return the subset that
4742 overlaps with GENERAL_REGS for PLUS.
4743 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4745 2005-01-25 Richard Henderson <rth@redhat.com>
4748 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4750 2005-01-25 Roger Sayle <roger@eyesopen.com>
4752 * expmed.c (choose_multiplier): Change interface to return the
4753 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4754 (expand_divmod): Update calls to choose_multiplier.
4756 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4759 * expmed.c (extract_bit_field): Use adjust_address instead of
4760 gen_lowpart when op0 is a MEM.
4762 2005-01-24 Steven Bosscher <stevenb@suse.de>
4764 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4766 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
4768 * config/mips/irix-csr.c: New file.
4769 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4770 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4771 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4774 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
4777 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4778 sparc/elf.h, add sparc/sp-elf.h.
4779 (sparc-*-rtems*): Likewise.
4780 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4781 tm-dwarf2.h, add sparc/sp-elf.h.
4782 (sparc86x-*-elf): Likewise.
4783 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4784 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4785 TARGET_OS_CPP_BUILTINS.
4786 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4787 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4789 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4790 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4791 (SWITCH_TAKES_ARG): Likewise.
4792 (LOCAL_LABEL_PREFIX): Likewise.
4793 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4794 (TARGET_N_FORMAT_TYPES): Delete.
4795 (TARGET_FORMAT_TYPES): Likewise.
4796 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4797 * config/sparc/elf.h: Delete.
4798 * config/sparc/sp-elf.h: New file.
4800 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4802 * tree-flow-inline.h (phi_arg_from_edge): Remove.
4803 * tree-flow.h: Remove the corresponding prototype.
4804 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4805 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4807 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4810 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4811 for AIX ABI or ELF -fPIC.
4812 (rs6000_emit_load_toc_table): Don't create toc_section here.
4813 (rs6000_xcoff_file_start): Nor here.
4815 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
4817 * sh.c (ra.h): Don't #include.
4818 (hard_regs_intersect_p): New function, resurrected from ra.c.
4820 * sh.c: Fix 1996 Copyright.
4822 2005-01-24 Richard Henderson <rth@redhat.com>
4823 Aldy Hernandez <aldyh@redhat.com>
4825 * regrename.c (note_sets): Handle subregs.
4827 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
4830 * genconditions.c (write_header, write_conditions): Elide file if
4833 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4835 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4836 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4839 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4841 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4842 expand_builtin_printf, expand_builtin_fprintf,
4843 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4844 checking against POINTER_TYPE.
4845 (validate_arglist): Handle POINTER_TYPE code by checking
4848 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
4850 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4852 (for_each_rtx): Call for_each_rtx_1.
4853 * rtl.h (init_rtlanal): Declare.
4854 * toplev.c (backend_init): Call init_rtlanal.
4856 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4858 * flow.c (propagate_one_insn): Formatting.
4861 * flow.c (libcall_dead_p): Be more conservative if unsure.
4862 If there are any instructions between insn and call, see if they are
4863 all dead before saying the libcall is dead.
4865 2005-01-24 Uros Bizjak <uros@kss-loka.si>
4867 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4868 operand constraint for operand 0.
4870 2005-01-23 Richard Henderson <rth@redhat.com>
4873 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4874 edges leading to join block.
4876 2005-01-23 Roger Sayle <roger@eyesopen.com>
4878 * expmed.c (expand_mult_highpart): Make static. Change type of
4879 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4880 (expand_divmod): Updates calls to expand_mult_highpart by using
4881 gen_int_mode to pass a CONST_INT rtx.
4882 * rtl.h (expand_mult_highpart): Remove prototype.
4884 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4886 * flow.c (regset_bytes, regset_size): Remove.
4888 * cfganal.c: Fix a reference to Harvey's paper.
4890 2005-01-23 Steven Bosscher <stevenb@suse.de>
4892 PR rtl-optimization/19464
4893 * tree-optimize.c (init_tree_optimization_passes): Add one more
4894 copyrename pass just before out-of-ssa.
4896 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
4899 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4900 * ggc-none.c (ggc_free): Define.
4902 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4904 * cse.c (max_reg, max_insn_uid): Remove.
4905 (cse_main): Don't access max_reg or max_insn_uid.
4907 * c-common.c (explicit_flag_signed_bitfields,
4908 lang_statement_code_p, lang_expand_function_end): Remove.
4909 * c-common.h: Remove the corresponding declarations.
4910 * c-opts.c (c_common_handle_option): Remove all write access
4911 to explicit_flag_signed_bitfields.
4913 * cgraph.c (cgraph_varpool_n_nodes): Remove.
4914 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4915 * cgraph.h: Remove the corresponding declaration.
4917 * gcse.c (null_pointer_info): Remove.
4919 2005-01-23 Roger Sayle <roger@eyesopen.com>
4920 Eric Botcazou <ebotcazou@libertysurf.fr>
4922 * combine.c (simplify_logical): Only simplify logical expressions
4923 of the form ior(and(x,y),z) by the inverse distributive law if the
4924 result is cheaper than the original.
4926 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4928 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4929 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4930 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4931 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4932 config/freebsd-spec.h, config/arm/arm.h,
4933 config/h8300/h8300.md, config/i386/i386.md,
4934 config/i386/predicates.md, config/i386/sse.md,
4935 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4936 config/vax/vax.md: Fix comment typos. Follow spelling
4939 2005-01-23 Steven Bosscher <stevenb@suse.de>
4941 * gengtype.c (walk_type): Produce `not equal to' compares for loop
4942 tests, instead of `less than'.
4944 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
4946 * function.c (assign_parm_setup_block): When creating a new stack slot
4947 for a parameter, get its alignment from the parameter's DECL_ALIGN
4948 rather than the type's TYPE_ALIGN. Make sure that the parameter
4949 is at least word aligned.
4951 2005-01-22 Roger Sayle <roger@eyesopen.com>
4954 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4956 2005-01-22 Richard Henderson <rth@redhat.com>
4959 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4960 in both compare operands.
4961 (movdfcc_1_sse_max): Likewise.
4962 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
4963 (movdfcc_1_sse): Likewise.
4964 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4965 scratch register as needed.
4967 2005-01-22 Richard Henderson <rth@redhat.com>
4969 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4971 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4973 2005-01-22 Richard Henderson <rth@redhat.com>
4975 * genopinit.c (optabs): Use smin/smax for floating point too.
4976 * doc/md.texi: Update to match. Clarify that floating point
4977 results are undefined for +0/-0 and NaN.
4978 * doc/rtl.texi: Likewise.
4979 * rtl.def (SMIN, SMAX): Likewise
4980 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4982 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4983 leading 's' to the name.
4984 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4985 smaxxf3, sminxf3): Likewise.
4986 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4989 2005-01-22 Paul Brook <paul@codesourcery.com>
4991 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4993 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
4995 * config/s390/s390.c (struct processor_costs): New fields
4996 dlgr, dlr, dr, dsgfr, dsgr.
4997 (z900_cost, z990_cost): Values for new fields.
4998 (s390_rtx_costs): New cases MEM und COMPARE in switch
4999 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5000 DIV, MOD, UDIV, UMOD.
5002 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
5004 * config/s390/s390.md ("doloop_si64"): Reload input value directly
5005 into the register being decremented.
5006 ("doloop_si31", "doloop_di"): Likewise.
5007 ("*doloop_si_long"): Adapt pattern.
5009 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
5011 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5013 (CLASS_MAX_NREGS): Likewise.
5015 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
5017 * doc/tree-ssa.texi (Statement Operands): Add example for new
5018 must-def macro. Note deprecation of old operands interface.
5020 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
5022 PR tree-optimization/19484
5023 * tree-cfg.c (remove_fallthru_edge): New function.
5024 (cleanup_control_flow): Remove fallthru edges from calls that are
5025 now known not to return.
5027 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5029 Fix PR tree-optimization/19038
5030 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5031 copies with loop variant ones.
5033 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
5035 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5036 config/alpha/alpha-protos.h, config/alpha/alpha.h,
5037 config/alpha/alpha.md, config/alpha/predicates.md,
5038 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5039 config/sparc/sol2.h: Update copyright.
5041 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5042 first label to see if it is a nonlocal label.
5044 2005-01-22 David Edelsohn <edelsohn@gnu.org>
5045 Andrew Pinski <pinskia@physics.uc.edu>
5048 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5049 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
5051 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5053 * config/rs6000/rtems.h: Update copyright.
5055 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5058 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5059 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5060 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5062 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5065 * c-typeck.c (convert_arguments): Check for error_mark_node.
5067 2005-01-21 Ian Lance Taylor <ian@airs.com>
5069 PR tree-optimization/13000
5070 * tree-inline.c: Include "tree-flow.h".
5071 (expand_call_inline): If warn_return_type, warn if non-void inline
5072 function falls through.
5073 * tree-cfg.c (execute_warn_function_return): Don't warn about
5074 control reaching end if TREE_NO_WARNING is set. Set
5076 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5078 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5079 branch if we don't need one.
5080 * c-typeck.c: Include "tree-flow.h"
5081 (c_finish_bc_stmt): Don't add a goto if the current statement
5082 list doesn't fall through to the current point.
5084 2005-01-21 Roger Sayle <roger@eyesopen.com>
5086 PR rtl-optimization/576
5087 * real.c (real_arithmetic): Change return type from void to bool
5088 to return an indication that the result may be inexact.
5089 * real.h (real_arithmeric): Update prototype.
5090 * fold-const.c (const_binop): Don't constant fold floating
5091 point expressions when the user specifies -frounding-math and
5092 the result may depend upon the run-time rounding mode.
5093 (fold_convert_const_real_from_real): Clean-up.
5094 (fold_initializer): Ignore flag_rounding_math for initializers.
5095 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5096 constant fold FP operations with flag_rounding_math if the
5097 result may depend upon the run-time rounding mode.
5099 2005-01-21 Tom Tromey <tromey@redhat.com>
5101 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5103 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
5105 * tree-cfg.c: Fix comment typos.
5107 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
5109 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5110 around the call to rest_of_handle_branch_target_load_optimize.
5112 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5114 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5115 (sparc64-*-openbsd*): Likewise.
5116 (sparclite-*-elf*): Include tm-dwarf2.h.
5117 (sparc86x-*-elf*): Likewise.
5118 (sparc64-*-elf*): Likewise.
5119 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5120 (DBX_DEBUGGING_INFO): Likewise.
5121 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5122 (PREFERRED_DEBUGGING_TYPE): Likewise.
5123 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5124 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5125 (PREFERRED_DEBUGGING_TYPE): Likewise.
5126 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5127 (PREFERRED_DEBUGGING_TYPE): Likewise.
5128 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5130 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
5133 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5135 2005-01-20 Paul Brook <paul@codesourcery.com>
5137 * doc/rtl.texi: Document value extension requirements for CONST_INT.
5139 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5141 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5142 label is first in a sequence of labels.
5144 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5146 2005-01-20 Janis Johnson <janis187@us.ibm.com>
5147 Giovanni Bajo <giovannibajo@gcc.gnu.org>
5149 * doc/sourcebuild.texi (Test Directives): New.
5151 2005-01-20 Roger Sayle <roger@eyesopen.com>
5153 * real.c (real_floor): Don't leave the result uninitialized when
5154 mode is VOIDMode, but return the unrounded intermediate value.
5155 (real_ceil): Likewise.
5157 2005-01-20 Paul Brook <paul@codesourcery.com>
5159 * config/arm/arm.md (insv): Use gen_int_mode.
5161 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5163 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5164 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5165 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5166 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5167 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5169 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5172 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5173 fbreg, so we have to assume we can't.
5174 (loc_descriptor_from_tree_1): Ditto.
5175 (containing_function_has_frame_base): New function.
5176 (add_location_or_const_value_attribute): Use it.
5177 Also try to generate a frame_base from a single element location
5180 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5182 PR tree-optimization/15349
5183 * timevar.def (TV_TREE_MERGE_PHI): New.
5184 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5186 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5187 calls to tree_forwarder_block_p.
5188 (remove_forwarder_block_with_phi, merge_phi_nodes,
5189 gate_merge_phi, pass_merge_phi): New.
5190 * tree-optimize.c (init_tree_optimization_passes): Add
5192 * tree-pass.h: Add an extern for pass_merge_phi;
5194 2005-01-20 Richard Henderson <rth@redhat.com>
5197 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5198 (_mm_castps_pd, _mm_castps_si128): New.
5199 (_mm_castsi128_ps, _mm_castsi128_pd): New.
5201 2005-01-20 Richard Henderson <rth@redhat.com>
5204 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5205 __builtin_ia32_vec_init_v2si.
5206 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5207 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5208 (ix86_init_mmx_sse_builtins): Create it.
5209 (ix86_expand_builtin): Expand it.
5210 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5211 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5212 (vec_extractv2si_0, vec_extractv2si_1): New.
5214 2005-01-20 Richard Henderson <rth@redhat.com>
5217 * config/i386/i386.c (ix86_expand_push): New.
5218 * config/i386/mmx.md (push<MMXMODE>1): New.
5219 * config/i386/sse.md (push<SSEMODE>1): New.
5220 * config/i386/i386-protos.h: Update.
5222 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5224 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5227 2005-01-20 Richard Henderson <rth@redhat.com>
5229 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5230 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5232 2005-01-19 Richard Henderson <rth@redhat.com>
5235 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5236 to V4SFmode in SSE1 fallback load path.
5238 2005-01-19 Richard Henderson <rth@redhat.com>
5240 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5241 in QImode expansion to ix86_expand_vector_set.
5242 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5244 2005-01-19 Richard Henderson <rth@redhat.com>
5247 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5248 subclass of the input class.
5249 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5250 Always true for cross-SSE1 classes. Rationalize conditionals.
5251 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5252 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
5253 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
5254 (movdi_2): Add MMX/SSE zeros.
5255 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
5256 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5257 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5258 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5259 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5260 (zero_extendsidi2_rex64_1): Remove.
5261 (MOV0 peephole): Check GENERAL_REG_P.
5263 2005-01-19 Richard Henderson <rth@redhat.com>
5266 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5268 (ix86_expand_vector_extract): Likewise.
5270 2005-01-19 Richard Henderson <rth@redhat.com>
5273 * expr.c (emit_move_change_mode): New argument force; use
5274 simplify_gen_subreg if true.
5275 (emit_move_via_alt_mode): Merge into ...
5276 (emit_move_via_integer): ... here.
5277 (emit_move_ccmode): Use emit_move_change_mode directly.
5279 2005-01-19 Richard Henderson <rth@redhat.com>
5282 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5283 (alpha_preferred_reload_class): Handle CONST_VECTOR.
5284 (alpha_emit_set_const_1): Add no_output parameter; don't emit
5286 (alpha_emit_set_const): Likewise. Make static.
5287 (alpha_emit_set_long_const): Make static.
5288 (alpha_extract_integer): Split out from alpha_expand_mov.
5289 (alpha_split_const_mov): Likewise.
5290 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
5291 (alpha_legitimate_constant_p): New.
5292 * config/alpha/alpha-protos.h: Update.
5293 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5294 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5295 * config/alpha/alpha.md (movsi): Add n alternative.
5296 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5297 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5298 (splitters for all of the above): Use alpha_split_const_mov.
5299 * config/alpha/predicates.md (non_add_const_operand): New.
5300 (non_zero_const_operand): New.
5301 (input_operand): Use alpha_legitimate_constant_p after reload.
5303 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5305 PR tree-optimization/19038
5306 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5307 (add_candidate): Add ivs with increment in latch only if
5308 allow_ip_end_pos_p is true.
5309 (determine_iv_cost): Use empty_block_p.
5311 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
5313 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5314 (compute_dominance_frontiers): Ditto.
5316 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
5319 * config/sh/t-rtems: New.
5320 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5322 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5324 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5325 the offset of the selected field.
5327 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
5329 * tree-cfg.c (remove_forwarder_block): Fix the check to
5330 prevent a nonlocal label from appearing in the middle of a
5333 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
5335 PR rtl-optimization/19462
5336 * reorg.c (find_end_label): Create return insn only if
5337 current_function_epilogue_delay_list is empty.
5339 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
5341 * doc/passes.texi: Remove paragraph mentioning new-ra.
5343 2005-01-19 Jakub Jelinek <jakub@redhat.com>
5345 PR rtl-optimization/15139
5346 * combine.c: Include params.h.
5347 (count_rtxs): New function.
5348 (record_value_for_reg): If replace_rtx would replace at least
5349 2 occurrences of REG in VALUE and TEM is really large, replace REG with
5350 (clobber (const_int 0)) instead of TEM.
5351 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5352 * params.h (MAX_LAST_VALUE_RTL): New.
5353 * Makefile.in (combine.o): Depend on $(PARAMS_H).
5354 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5357 * c-typeck.c (digest_init): Only call build_vector if all constructor
5358 elements are *_CST nodes.
5359 * gimplify.c (gimplify_init_constructor): Likewise.
5362 * c-typeck.c (digest_init): Only call build_vector if inside_init
5365 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5367 * toplev.c (init_asm_output): Remove dead #ifdef.
5369 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
5371 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5373 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5375 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5376 accessing DECL_FUNCTION_CODE.
5377 * dojump.c (do_jump): Likewise.
5378 * gimplify.c (gimplify_call_expr): Likewise.
5379 * predict.c (expr_expected_value): Likewise.
5380 (strip_builtin_expect): Likewise.
5381 * tree-inline.c (estimate_num_insns_1): Likewise.
5382 * tree-ssa-loop-im.c (stmt_cost): Likewise
5383 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5384 (tree_expr_nonnegative_p): Likewise.
5386 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5388 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5389 variant of the load_pcrel_sym pattern.
5390 * config/sparc/sparc.md (P macro): Move to the top.
5391 (load_pcrel_sym): Macroize using P.
5392 (save_register_window): Likewise.
5394 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
5396 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5399 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5402 * c-typeck.c (build_asm_expr): Strip nops off
5403 input memory operands.
5405 2005-01-18 David Edelsohn <edelsohn@gnu.org>
5407 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5408 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5409 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5410 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5412 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
5415 * config/i386/i386.c (override_options): If the 80387 is disabled,
5416 then do not return FP values using FP registers.
5418 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
5420 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5421 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5422 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5423 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5424 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5425 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5426 output.h, postreload-gcse.c, postreload.c, recog.c,
5427 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5428 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5429 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5430 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5431 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5432 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5433 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5434 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5436 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5437 config/alpha/alpha.c, config/arm/vfp.md,
5438 config/i386/emmintrin.h, config/i386/i386-modes.def,
5439 config/i386/i386-protos.h, config/i386/i386.h,
5440 config/i386/pmmintrin.h, config/i386/ppro.md,
5441 config/i386/predicates.md, config/i386/xmmintrin.h,
5442 config/i860/i860.c, config/ia64/ia64-modes.def,
5443 config/ia64/ia64-protos.h, config/ia64/ia64.h,
5444 config/ia64/ia64.md, config/ia64/itanium1.md,
5445 config/ia64/itanium2.md, config/ia64/predicates.md,
5446 config/iq2000/iq2000.h, config/mips/linux64.h,
5447 config/rs6000/aix41.h, config/rs6000/aix43.h,
5448 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5449 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5450 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5451 config/sparc/linux64.h, config/sparc/litecoff.h,
5452 config/sparc/sp64-elf.h, config/sparc/sparc.c,
5453 config/sparc/sparc.h, config/sparc/sparc.md,
5454 config/sparc/sysv4-only.h: Update copyright.
5456 2005-01-18 Richard Henderson <rth@redhat.com>
5459 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5461 2005-01-18 Marc Espie <espie@openbsd.org>
5462 * config/i386/openbsdelf.h: Typo.
5464 2005-01-18 Richard Henderson <rth@redhat.com>
5466 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5467 special case for sse.
5468 * config/i386/predicates.md (sse_comparison_operator): Likewise.
5470 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
5472 * tree-inline.c (estimate_num_insns_1): Added cases for
5473 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5475 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5477 PR rtl-optimization/19296
5478 * combine.c (simplify_comparison): Rewrite the condition under
5479 which a non-paradoxical SUBREG of a PLUS can be lifted when
5480 compared against a constant.
5482 2005-01-18 Andi Kleen <ak@muc.de>
5484 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5485 * c.opt (-Wpointer-sign): Add.
5486 * doc/invoke.texi: (-Wpointer-sign): Add.
5488 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5490 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5491 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5492 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5493 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5494 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5495 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
5496 for TARGET_MIX_SSE_I387.
5497 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5498 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5499 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5500 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5501 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5502 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
5503 TARGET_MIX_SSE_I387.
5504 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5507 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5510 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5511 Add movaps alternative for xmm reg->reg move.
5513 2005-01-17 Jeff Law <law@redhat.com>
5515 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5516 at the end of the main DOM loop rather than just before DOM exits.
5518 2005-01-17 Diego Novillo <dnovillo@redhat.com>
5520 PR tree-optimization/19121
5521 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5522 adding aliases to a name tag, also add them to the pointer's
5524 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5525 sensitive alias info at all. Only check that the two pointers
5526 have compatible pointed-to sets.
5527 * tree-ssa.c (verify_name_tags): Verify that the alias set of
5528 a pointer's type tag is a superset of the alias set of the
5531 2005-01-17 James E Wilson <wilson@specifixinc.com>
5534 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
5535 comment to document why.
5537 2005-01-17 Richard Henderson <rth@redhat.com>
5539 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5540 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5541 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5542 sse2_vmsminv2df3_finite): New.
5543 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5544 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5545 Force op1 into register.
5547 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
5549 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5550 bubblestrap from always rebuilding build directory.
5552 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
5554 * config/s390/s390.md ("*clc"): Remove incorrect '='.
5555 ("*cmpmem_short"): Likewise.
5557 2005-01-17 Steven Bosscher <stevenb@suse.de>
5559 * basic-block.h: Document BB_* flags.
5560 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5561 use an sbitmap instead.
5562 * sched-rgn.c (compute_trg_info): Likewise.
5564 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
5566 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
5567 redundant target_cpu_default and extra_parts lines. Use the default
5569 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5570 (SUBTARGET_EXTRA_SPECS): Delete.
5571 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
5572 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5573 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5574 and "n32" for -mabi=n32.
5576 2005-01-17 Ian Lance Taylor <ian@airs.com>
5579 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5580 fold constant variables into initial values.
5582 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5584 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5586 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5587 through the statements backward.
5589 2005-01-17 Ian Lance Taylor <ian@airs.com>
5591 PR middle-end/13127:
5592 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5593 a variable set to the return value of the inlined function.
5595 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
5597 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5598 when modes are tieable.
5600 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
5602 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5603 of pthread_create to find out if threads are enabled.
5604 * gthr-posix95.h (__gthread_active_p): Likewise.
5606 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5608 * common.opt (-fnew-ra): Remove.
5610 * toplev.h (flag_new_regalloc): Remove.
5611 * Makefile.in (ra*.*): Don't mention.
5612 * passes.c (rest_of_handle_new_regalloc): Remove.
5613 (rest_of_handle_combine, rest_of_compilation): Always consider
5614 flag_new_regalloc as false.
5615 * doc/invoke.texi: Don't document -fnew-ra.
5617 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5619 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5620 last parameter to reg_scan.
5621 * loop.c (loop_optimize): Likewise.
5622 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5623 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5624 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5625 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5626 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5627 * regclass.c (reg_scan): Likewise, for the declaration.
5628 * rtl.h (reg_scan): Likewise, for the prototype.
5630 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5632 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5633 mark_dfs_back_edges.
5635 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
5637 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5638 (compute_avail): Uses don't go in tmp_gen.
5640 2005-01-16 Steven Bosscher <stevenb@suse.de>
5642 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5643 loop to look for a free slot in a page entry.
5645 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5648 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5649 * toplev.c (compile_file): Call process_pending_assemble_output_defs
5650 just before targetm.asm_out.file_end.
5651 * tree.h (process_pending_assemble_output_defs): Declare.
5652 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5654 (assemble_alias): Defer generation of assembly code for defines when
5655 TARGET_DEFERRED_OUTPUT_DEFS is true.
5656 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5657 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5658 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5660 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5663 * pa.c (pa_scalar_mode_supported_p): New function.
5664 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5665 * pa.h (MIN_UNITS_PER_WORD): Add comment.
5667 * pa-protos.h (prefetch_operand): Delete.
5668 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5669 * pa.c (prefetch_operand): Delete.
5670 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5671 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5672 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
5673 and prefetch_nocc_operand.
5674 * pa.md (prefetch): Rework to avoid reload problems handling short
5675 displacements when a cache control completer needs to be provided.
5676 (prefetch_32, prefetch_64): Delete.
5677 (prefetch_cc, prefetch_nocc): New patterns.
5679 2005-01-15 David Edelsohn <edelsohn@gnu.org>
5681 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5683 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5686 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5687 exceeds maximum alignment for global common data.
5688 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5689 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5691 2004-01-15 Roger Sayle <roger@eyesopen.com>
5693 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5695 2004-01-15 Roger Sayle <roger@eyesopen.com>
5697 * harg-reg-set.h (reg_class_names): Prototype global array.
5698 * regclass.c (reg_class_names): Declare here and initialize to
5700 (dump_regclass): Remove local declaration of reg_class_names.
5701 (regclass): Likewise.
5702 * cfg.c (dump_flow_info): Likewise.
5703 * ra-debug.c (reg_class_names): Likewise.
5704 * regrename.c (reg_class_names): Likewise.
5705 * reload.c (reg_class_names): Likewise.
5706 * reload1.c (spill_failure): Likewise.
5707 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5709 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
5711 * config/s390/s390.md ("reload_outti"): Remove predicate for
5712 output operand. Abort if operand is not a MEM.
5713 ("reload_outdi", "reload_outdf"): Likewise.
5715 2005-01-15 Marc Espie <espie@openbsd.org>
5717 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5718 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5719 * config/openbsd.h: Fix C++ includes for native configurations.
5720 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
5721 Add trampoline support.
5722 * config/i386/openbsdelf.h: New.
5724 2005-01-15 Marc Espie <espie@openbsd.org>
5726 * collect2.c (main): Explicitly parse -dynamic-linker option.
5728 2005-01-15 Jakub Jelinek <jakub@redhat.com>
5730 PR tree-optimization/19060
5731 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5732 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5733 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5734 and handle extract_range_from_cond returning false.
5735 * fold-const.c (fold): Optimize comparisons with min/max even for
5736 width > HOST_BITS_PER_WIDE_INT.
5738 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
5740 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5741 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5742 Remove little endian multilib variants.
5743 Add mips32 multilib variant.
5745 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
5747 * explow.c (copy_all_reg, stabilize): Remove.
5748 * expr.h: Remove the corresponding prototypes.
5750 * rtlanal.c (regs_set_between_p): Remove.
5751 * rtl.h: Remove the corresponding prototype.
5753 2005-01-14 David Edelsohn <edelsohn@gnu.org>
5755 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5756 to rs6000_nonimmediate_operand.
5757 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5758 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5759 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5760 rs6000_nonimmediate_operand.
5761 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5762 rs6000_nonimmediate_operand.
5764 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
5766 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5768 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5770 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5772 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5773 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5775 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5776 (rs6k_nonimmediate_operand): New.
5777 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5779 (legitimate_lo_sum_address_p): Same.
5780 (rs6000_legitimize_address): Same.
5781 (rs6000_legitimize_reload_address): Same.
5782 (rs6000_legitimate_address): Same.
5783 (spe_build_register_parallel): Pass DF and DC modes in a DI
5786 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5787 to rs6k_nonimmediate_operand.
5789 * config/rs6000/spe.md ("*frob_df_di"): New.
5790 ("*frob_di_df"): New.
5791 ("*frob_di_df_2"): New.
5792 ("*mov_sidf_e500_subreg0"): New.
5793 ("*mov_sidf_e500_subreg4"): New.
5794 ("*movdf_e500_double"): Change predicate to
5795 rs6k_nonimmediate_operand.
5797 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5799 * postreload.c (move2add_note_store): Only call
5800 trunc_int_for_mode on scalar integers.
5802 2005-01-14 Steven Bosscher <stevenb@suse.de>
5804 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5805 replace BB_VISITED uses.
5806 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5807 (propagate_necessity): Check the bitmap instead of BB_VISITED.
5808 (tree_dce_done): Free visited_control_parents.
5809 (perform_tree_ssa_dce): Allocate and clear it.
5810 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5811 (compute_antic): Iterate from here using a DFS. Use an sbitmap
5812 instead of BB_VISITED.
5814 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
5816 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5817 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5818 Remove unused prototypes.
5820 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5822 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5823 64-bit register usage.
5824 (spe_func_has_64bit_regs_p): Add FIXME note.
5826 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5828 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5829 flag_finite_math_only with flag_unsafe_math_optimizations.
5831 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
5833 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5835 (__tpf_eh_return): Copy TPF private stack area from the module
5836 boundary stack frame. Add check for when module addresses are
5837 equal, but no stub address is found.
5839 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
5842 * arm.h (struct machine_function): Add call_via field.
5843 (thumb_call_via_label): Declare.
5844 * arm.c (thumb_call_via_label): New variable.
5845 (thumb_call_reg_needed): New variable.
5846 (arm_output_function_epilogue): For Thumb code, output any per-function
5847 call-indirect trampolines.
5848 (thumb_call_via_reg): New function.
5849 (arm_file_end): New function.
5850 (TARGET_ASM_FILE_END): Call arm_file_end.
5851 (aof_file_end): Likewise.
5852 * arm-protos.h (thumb_call_via_reg): Declare.
5853 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5854 thumb_call_via_reg in normal case.
5856 2005-01-14 Jakub Jelinek <jakub@redhat.com>
5859 PR rtl-optimization/19348
5860 * recog.c (peephole2_optimize): Do global life update if some peephole
5861 decides it doesn't need at least one of its inputs and that change
5862 influences liveness at the start of the basic block.
5864 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5865 arguments instead of 1.
5867 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
5870 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5871 zero for nested functions needing a static chain or functions
5872 with a non-constant address.
5874 2005-01-13 Roger Sayle <roger@eyesopen.com>
5876 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5877 (and (sign_extend X) C) into (zero_extend (and X C)).
5879 2005-01-13 David O'Brien <obrien@FreeBSD.org>
5881 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
5883 2005-01-13 Richard Henderson <rth@redhat.com>
5888 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5889 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5890 not just TARGET_SSE.
5891 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
5892 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5893 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5894 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5895 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5896 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5897 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5898 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5899 (movdicc_c_rex64): Rename with '*'.
5900 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5901 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5902 (movsfcc_1_387): Rename from movsfcc_1.
5903 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5904 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5905 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5906 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5907 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5908 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5909 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5910 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5911 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5912 sse_movdfcc_const0_4): Remove.
5913 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5914 recognize min/max early. Update for changed sse cmove patterns.
5915 (ix86_split_sse_movcc): New.
5916 * config/i386/i386-protos.h: Update.
5918 2005-01-13 Steven Bosscher <stevenb@suse.de>
5920 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5921 (fix_stmt_v_may_defs): Likewise.
5923 2005-01-13 Richard Henderson <rth@redhat.com>
5925 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5926 for converting the mask.
5928 2005-01-13 David Edelsohn <edelsohn@gnu.org>
5930 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5933 2005-01-13 Richard Henderson <rth@redhat.com>
5935 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5936 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5937 IX86_BUILTIN_MOVDQ2Q): Remove.
5938 (IX86_BUILTIN_VEC_EXT_V4SI): New.
5939 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5940 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5942 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5943 (sse2_pextrw): Fix immediate constraint.
5944 (sse2_loadq, sse2_loadq_rex64): Remove.
5945 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5946 Use __builtin_ia32_vec_ext_<size>.
5947 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5949 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
5951 * function.c (assign_parm_setup_block): Look inside original
5952 entry_parm when inspecting PARALLEL.
5954 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5955 Joel Sherrill <joel@oarcorp.com>
5958 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5959 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5960 rtems_gxx_recursive_mutex_init.
5961 (__gthread_recursive_mutex_lock): New function.
5962 (__gthread_recursive_mutex_trylock): Likewise.
5963 (__gthread_recursive_mutex_unlock): Likewise.
5965 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5967 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5969 2005-01-13 Jan Beulich <jbeulich@novell.com>
5971 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5972 (ashrti3_internal): Indicate output is early clobber. Generate result
5973 into output rather than first input. Use move for low word of output
5974 if shift count is exactly 64.
5975 (lshrti3_internal): Likewise.
5977 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
5981 * reload1.c (delete_output_reload): Don't delete an output reload
5982 if the pseudo lives longer than a single basic block. Adjust and
5983 improve wording of comment.
5985 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
5988 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5989 of TYPE_SIZE where we mean the number of bytes.
5991 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
5993 * function.c (assign_parm_setup_block): Relax condition on
5994 multi-register optimization.
5996 2005-01-12 Nick Clifton <nickc@redhat.com>
5998 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5999 an "in_delay_slot" attribute of "no" to prevent them being used in
6000 delay slots. This is forbidden because they might generate
6003 2005-01-12 Alan Modra <amodra@bigpond.net.au>
6006 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6009 2005-01-12 Nick Clifton <nickc@redhat.com>
6011 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6012 passed on to GAS) but do not define, as GAS no longer supports or
6013 needs the -m2000 option.
6015 2005-01-11 Roger Sayle <roger@eyesopen.com>
6017 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6018 type as args of unprototyped builtins aren't automatically promoted.
6019 (fold_builtin_abs): Likewise.
6021 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6023 * Makefile.in: Set a `build-warn' variable.
6025 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6027 PR tree-optimization/17949
6028 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6029 (find_interesting_uses_address): Use it.
6031 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
6033 * regrename.c (kill_value): Handle subreg's that won't simplify.
6035 2005-01-11 Richard Henderson <rth@redhat.com>
6038 * config/i386/i386.h (enum ix86_builtins): Move ...
6039 * config/i386/i386.c: ... here.
6040 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6041 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6042 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6043 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6044 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
6045 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6046 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6047 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6048 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6049 IX86_BUILTIN_LOADDDUP): Remove.
6050 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6051 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6052 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6053 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6054 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6055 (ix86_init_builtins): Make static.
6056 (ix86_init_mmx_sse_builtins): Update for changed builtins.
6057 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6058 if all the modes match. Otherwise, fake it.
6059 (get_element_number, ix86_expand_vec_init_builtin,
6060 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6061 (ix86_expand_builtin): Make static. Update for changed builtins.
6062 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6063 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
6064 (ix86_expand_vector_init_duplicate): New.
6065 (ix86_expand_vector_init_low_nonzero): New.
6066 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6067 Split out from ix86_expand_vector_init; handle integer modes.
6068 (ix86_expand_vector_init): Use them.
6069 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6070 * config/i386/i386-protos.h: Update.
6071 * config/i386/predicates.md (reg_or_0_operand): New.
6072 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6073 (movv2sf_internal): Likewise. And a splitter to match them all.
6074 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6075 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6076 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6077 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6078 (mmx_pinsrw): Fix operand ordering.
6079 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6080 rather than sse_loadss expander.
6081 (movv2df splitter): Similarly.
6082 (sse_loadss, sse_loadlss): Remove.
6083 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6084 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6085 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6086 (sse3_movddup): Rename with '*'.
6087 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6088 (sse2_loadsd): Remove.
6089 (vec_dupv2df_sse3): Rename from sse3_loadddup.
6090 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6091 (sse2_pinsrw): Fix argument ordering.
6092 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6093 (sse2_stored): Remove 'r' destination.
6094 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6095 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6096 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6097 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6098 vec_extractv16qi, vec_initv16qi): New.
6100 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6101 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6102 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6104 (_mm_load_pd, _mm_store_pd): Use plain dereference.
6105 (_mm_load_si128, _mm_store_si128): Likewise.
6106 (_mm_load1_pd): Use _mm_set1_pd.
6107 (_mm_load_sd): Use _mm_set_sd.
6108 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6109 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6110 (_mm_set_epi64): Use _mm_set_epi64x.
6111 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6112 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6113 _mm_setr_epi8): Use _mm_set_foo form.
6114 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6115 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6116 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6117 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6118 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6119 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6120 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6121 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6122 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6123 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6124 (_mm_movedup_pd): Use _mm_shuffle_pd.
6125 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6126 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6127 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6128 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6130 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6131 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6132 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6133 (_mm_store_ps): Use raw dereference.
6134 (_mm_store1_ps): Use _mm_storeu_ps.
6135 (_mm_storer_ps): Use _mm_store_ps.
6136 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6137 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6139 2005-01-11 Stan Shebs <shebs@apple.com>
6141 * config/rs6000/rs6000.c (machopic_output_stub): Issue
6142 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6144 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6147 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6148 Skip all DECLs except for FIELD_DECLs.
6150 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6152 * config/s390/s390.c (override_options): Return error if
6153 -mbackchain, -mpacked-stack and -mhard-float are used together.
6154 (s390_va_start): Remove the backchain && packed-stack special case.
6155 (s390_gimplify_va_arg): Likewise.
6156 * doc/invoke.texi: Remove the ABI incompatibility note.
6158 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6160 * config/s390/s390.c (struct s390_frame_layout): Remove
6162 (s390_frame_info, s390_emit_prologue): Replace occurrences of
6163 save_backchain_p with TARGET_BACKCHAIN.
6165 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6168 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6169 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6170 * function.c (locate_and_pad_parm): Set new field.
6171 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6172 Tweak where_pad test to include "none". Always set mem align for
6174 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6175 not sufficient for type.
6176 (assign_parm_setup_block): If stack_parm is zero on entry, always
6177 make a new stack local. Block move old stack parm if necessary
6178 to new aligned stack local.
6179 (assign_parm_setup_stack): Use a block move to handle
6180 potentially misaligned entry_parm.
6181 (assign_parms_unsplit_complex): Specify required alignment when
6182 creating stack local.
6183 * calls.c (compute_argument_addresses): Override alignment of stack
6184 arg calculated from its type with the alignment given by
6185 FUNCTION_ARG_BOUNDARY.
6186 (store_one_arg): Likewise.
6188 2005-01-11 Jan Beulich <jbeulich@novell.com>
6190 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6191 Change respective itanium_class attribute to ialu.
6192 (shladdp4_internal): New.
6193 * config/ia64/predicates.md (shladd_log2_operand): New.
6195 2005-01-11 Richard Henderson <rth@redhat.com>
6197 * expr.c (store_constructor): Use rtvec_alloc instead of
6198 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6200 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
6202 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6204 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6206 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6207 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6208 (TARGET_RWRELOC): Define.
6209 (ia64_rwreloc_section_type_flags): Delete.
6210 (ia64_section_type_flags): New function.
6211 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6212 (TARGET_RWRELOC): Define.
6214 2005-01-10 David Mosberger <davidm@hpl.hp.com>
6217 * config/ia64/ia64.c (process_set): For alloc insn, only call
6218 process_epilogue is !frame_pointer_needed.
6220 2005-01-10 Roger Sayle <roger@eyesopen.com>
6223 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6224 unary operator and can't be treated as a binary/comparison operator.
6226 2005-01-10 Richard Henderson <rth@redhat.com>
6228 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6229 (ix86_return_in_memory): Likewise.
6230 (function_arg_advance): Likewise. Mirror structure in function_arg
6231 for choosing register to advance.
6233 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
6235 * tree-vectorizer.c, tree.def: Fix comment typos.
6237 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
6239 * config/s390/s390.c (struct processor_costs): 4 new fields:
6240 ddbr, ddr, debr, der.
6241 (s390_rtx_costs): More precise handling of divide instructions.
6243 2005-01-10 David Edelsohn <edelsohn@gnu.org>
6245 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6247 2005-01-10 Jan Beulich <jbeulich@novell.com>
6249 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6250 names resulting from -ffunction-sections/-fdata-sections and linkonce
6252 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6253 based on the section name. Rearrange the section name comparison logic
6254 slightly so that each section name is compared against at most once.
6256 2005-01-10 Ben Elliston <bje@au.ibm.com>
6258 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6259 targets for which -fPIC reduces limitations on the GOT size.
6261 2005-01-09 Falk Hueffner <falk@debian.org>
6263 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6266 2005-01-09 David Edelsohn <edelsohn@gnu.org>
6269 * collect2.c (main): Set aixrtl_flag for -brtl option.
6270 (resolve_lib_name): Search for .so file extension before .a
6273 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
6275 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6276 (vect_analyze_data_refs_alignment): Add dump prints.
6278 2005-01-09 Ira Rosen <irar@il.ibm.com>
6280 * tree-vectorizer.c (vect_analyze_offset_expr): Use
6281 expr_invariant_in_loop_p.
6282 Initialize outputs first thing in the function.
6283 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6284 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6285 (vect_analyze_pointer_ref_access): Check that the initial condition of
6286 the access function is loop invariant.
6288 2005-01-09 Richard Henderson <rth@redhat.com>
6290 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6291 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
6292 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
6293 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6294 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6295 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6296 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6297 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6298 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6299 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6300 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6301 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6302 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6303 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6304 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6305 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6306 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6307 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6308 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6309 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6310 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6311 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6312 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6314 (mmx_clrdi, pavgusb): Remove.
6315 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6316 with leading sse_ prefix.
6317 * config/i386/sse.md: Receive them.
6318 * config/i386/mmx.md: New file.
6319 (MMXMODE12, MMXMODE24, mmxvecsize): New.
6320 (subrv2sf3): Turn into expander for normal subtraction.
6321 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6322 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6323 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6324 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6325 commutative; use ix86_binary_operator_ok.
6326 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6327 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6328 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6329 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6330 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6331 Macroize from existing patterns; use ix86_binary_operator_ok.
6332 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6333 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6334 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
6335 with vec_select+vec_concat.
6336 (mmx_pshufw, mmx_pshufw_1): Likewise.
6337 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
6338 (mmx_uavgv4hi3): Model correctly.
6339 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6340 _mm_xor_si64): Remove casts.
6342 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
6344 PR tree-optimization/19224
6345 * tree-scalar-evolution.c (get_instantiated_value,
6346 set_instantiated_value): New functions.
6347 (instantiate_parameters_1): Cache the results.
6348 (instantiate_parameters, resolve_mixers): Initialize and free
6351 2005-01-08 David Edelsohn <edelsohn@gnu.org>
6353 * config/i386/i386.md (addhi_4): Correct reference in comment.
6356 2005-01-08 Richard Henderson <rth@redhat.com>
6358 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6359 (_mm_cvtsi128_si64x): Likewise.
6360 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6361 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6362 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6363 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6364 * config/i386/i386-protos.h: Update.
6365 * config/i386/i386.c (print_operand): Add 'H'.
6366 (ix86_fixup_binary_operands): Split out from ...
6367 (ix86_expand_binary_operator): ... here.
6368 (ix86_fixup_binary_operands_no_copy): New.
6369 (ix86_expand_fp_absneg_operator): Handle vector mode results.
6370 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6371 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6372 (safe_vector_operand): Use CONST0_RTX.
6373 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6374 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6375 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
6376 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
6378 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6379 (IX86_BUILTIN_CMPNGESS): New.
6380 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6381 (attr type): Add sselog1.
6382 (attr unit, attr memory): Handle it.
6383 (movti, movti_internal, movti_rex64): Move near other integer moves.
6384 (movtf, movtf_internal): Move near other fp moves.
6385 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6386 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6387 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6388 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6389 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6390 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6391 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6392 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6393 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6394 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6395 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6396 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6397 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6398 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6399 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6400 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6401 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6402 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6403 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6404 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6405 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6406 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6407 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6408 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6409 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6410 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6411 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6412 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6413 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6414 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6415 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6416 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6417 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6418 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6419 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6420 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6421 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6422 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6423 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6424 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6425 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6426 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6427 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
6428 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6430 (SSEPUSH, push<SSEPUSH>): Remove.
6431 (MMXPUSH, push<MMXPUSH>): Remove.
6432 (sse_movaps, sse_movaps_1, sse_movups): Remove.
6433 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6434 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6435 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6436 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6437 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6438 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6439 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6440 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6441 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6442 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6443 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
6444 (ppro_sse_log_V4SF): Handle sselog1.
6445 * config/i386/predicates.md (const_0_to_1_operand): New.
6446 (const_0_to_255_mul_8_operand): New.
6447 (const_1_to_31_operand): Rename from const_int_1_31_operand.
6448 (const_2_to_3_operand, const_4_to_7_operand): New.
6449 * config/i386/sse.md: New file.
6450 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6451 (sse_movups): Rename from sse_movups_1.
6452 (sse_loadlss): Rename from sse_loadss_1.
6453 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6455 (negv4sf2): Use ix86_expand_fp_absneg_operator.
6456 (absv4sf2, negv2df, absv2df): New.
6457 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6458 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6459 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6460 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6461 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6462 (sse3_addsubv4sf3): Model correctly.
6463 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6464 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6465 (sse_movhlps): Model with vec_select+vec_concat.
6466 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6467 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6468 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6469 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6470 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6471 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6472 sse2_pshufhw_1): Likewise.
6473 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6474 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6475 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6476 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6477 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6478 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6479 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6480 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6481 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6482 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6483 sminv8hi3): Mark commutative
6484 operands. Use ix86_binary_operator_ok.
6485 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6486 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6487 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6488 sse2_punpcklqdq): Allow operand2 in memory.
6489 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6490 sse2_movsd): Add memory alternatives.
6491 (sse_storelps): Turn expander into an insn; split after reload.
6492 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6493 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6495 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6497 * configure.ac (DWARF-2 debug_line): Use objdump.
6498 * configure: Regenerate.
6500 2005-01-08 Jeff Law <law@redhat.com>
6501 Diego Novillo <dnovillo@redhat.com>
6503 PR tree-optimization/18241
6504 * tree-nrv.c (tree_nrv): Ignore volatile return values.
6505 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6506 statements with volatile operands.
6507 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6508 operands after marking a statement with has_volatile_ops.
6510 2005-01-08 Roger Sayle <roger@eyesopen.com>
6512 * tree.c (int_fits_type_p): Always honor integer constant
6513 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6515 2005-01-08 Roger Sayle <roger@eyesopen.com>
6517 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6518 the latent bug in rtl_delete_block has been resolved.
6520 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6522 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6523 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6525 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6527 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6528 library as @multilib_dir@/$(SHLIB_SONAME).
6530 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6532 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6533 * configure: Regenerate.
6535 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6537 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6540 2005-01-07 David Edelsohn <edelsohn@gnu.org>
6543 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6544 Convert non-word aligned offset address using ld/std into
6547 2005-01-07 Richard Henderson <rth@redhat.com>
6549 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6551 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
6553 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6555 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6557 PR tree-optimization/19283
6558 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6559 is not shorter than the original type.
6561 PR rtl-optimization/19012
6562 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6564 PR rtl-optimization/18861
6565 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6566 (FULL_STATE): Define.
6567 (mark_tablejump_edge): New function.
6568 (purge_dead_tablejump_edges): New function.
6569 (find_bb_boundaries): Use it.
6571 PR tree-optimization/18828
6572 * builtins.c (expand_builtin_next_arg): Remove argument and all
6573 the argument checking.
6574 (expand_builtin): Adjust caller.
6575 (expand_builtin_va_start): Likewise. Remove error for too many
6577 (fold_builtin_next_arg): Issue error for too many arguments.
6578 After checking arguments, replace them with magic arguments that
6579 prevent further checking of the args.
6581 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6583 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6585 2005-01-06 Roger Sayle <roger@eyesopen.com>
6588 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6589 and %{.S:...} (and their negative variants) to test whether the
6590 input file is assembler or pre-processed-assembler independent of
6591 the actual filename extension.
6593 2005-01-06 Roger Sayle <roger@eyesopen.com>
6595 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6596 of sign or zero extended values.
6598 2005-01-06 Geoffrey Keating <geoffk@apple.com>
6600 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6601 for IBM long double format correctly.
6603 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
6605 Fix PR tree-optimization/18792
6607 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6608 to first_loop_depth, and use loop depth instead of loop number.
6609 (build_classic_dir_vector): Ditto.
6610 (compute_data_dependences_for_loop): Use depth, not loop number.
6611 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6612 number. Pass in loops, instead of loop numbers.
6613 (gather_interchange_stats): Ditto.
6614 (linear_transform_loops): Ditto.
6616 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
6619 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6620 biv_fits_mode_p, extension_within_bounds_p): New functions.
6621 (check_ext_dependent_givs): Use them.
6623 2005-01-06 Roger Sayle <roger@eyesopen.com>
6625 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6626 more than one barrier, in which case we should delete them all.
6628 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
6630 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6632 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
6634 Fix PR middle-end/19286
6636 * dwarf2out.c (gen_subprogram_die): If we've already tried to
6637 output this subprogram, simply ignore this attempt to do it again.
6638 (add_abstract_origin_attribute): Don't abort trying to add the abstract
6639 origin attribute if it's not possible.
6640 (gen_block_die): Don't ignore subblocks of "unused" blocks.
6641 (decls_for_scope): Ditto.
6642 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6643 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6645 2005-01-05 Richard Henderson <rth@redhat.com>
6648 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6649 (bdesc_2arg): Use it.
6650 (ix86_expand_binop_builtin): Force operands into registers
6652 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6653 ix86_expand_sse_compare, ix86_expand_sse_comi,
6654 ix86_expand_builtin): Likewise.
6656 2005-01-05 Richard Henderson <rth@redhat.com>
6658 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6660 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6661 (mulv4hi3): Set itanium_class mmmul.
6662 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6663 (fpack): Rename from fpack_sfsf.
6665 2005-01-05 Richard Henderson <rth@redhat.com>
6668 * reload1.c (do_input_reload): Restrict the optimization deleteing
6669 a previous output reload to RELOAD_FOR_INPUT.
6671 2005-01-05 Steven Bosscher <stevenb@suse.de>
6673 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
6674 comment that we fall through after case.
6675 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6676 (distribute_links): Likewise.
6677 * cse.c (cse_insn): Likewise.
6678 * cselib.c (cselib_invalidate_mem): Likewise.
6679 * df.c: Update comments at the top of the file.
6680 (read_modify_subreg_p): Update comments here too.
6681 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6682 * flow.c (mark_set_1): Likewise.
6683 (mark_used_regs): Likewise.
6684 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6685 (canon_list_insert): Likewise.
6686 (mark_set): Likewise.
6687 (try_replace_reg): Likewise.
6688 (store_killed_in_insn): Likewise.
6689 * loop.c (count_one_set): Likewise.
6690 (basic_induction_var): Likewise.
6691 * postreload-gcse.c (find_mem_conflicts): Likewise.
6692 * postreload.c (reload_combine_note_store): Likewise.
6693 (move2add_note_store): Likewise.
6694 * reload.c (find_equiv_reg): Likewise.
6695 (mark_referenced_resources): Likewise.
6696 * rtlanal.c (set_noop_p): Likewise.
6697 (note_stores): Likewise.
6698 (note_uses): Likewise.
6699 * sched-deps.c (sched_analyze_1): Likewise.
6700 * sched-rgn.c (check_live_1): Likewise.
6701 (update_live_1): Likewise.
6702 * config/i860/i860.c: Likewise.
6704 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6706 (ZERO_EXTRACT): Mention that this one can be an lvalue.
6708 * doc/rtl.texi: Update documentation for bit-fields and SET.
6710 2005-01-05 Roger Sayle <roger@eyesopen.com>
6712 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6714 2005-01-05 Jan Hubicka <jh@suse.cz>
6715 Richard Henderson <rth@redhat.com>
6718 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6721 2005-01-05 Richard Henderson <rth@redhat.com>
6724 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6725 (sse_shufps): Change operand 3 to const_int_operand.
6726 (sse2_storelps): Fix typo in template.
6727 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6728 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6729 (ix86_expand_builtin): Likewise.
6731 2005-01-05 Julian Brown <julian@codesourcery.com>
6733 * config/arm/arm.c (arm_return_in_memory): Treat complex types
6734 as aggregates for AAPCS ABIs.
6736 2005-01-05 Stan Shebs <shebs@apple.com>
6738 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6739 Mach-O getters if ppc64.
6740 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6742 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6743 signed four-byte field for global code case.
6744 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6746 2005-01-05 Roger Sayle <roger@eyesopen.com>
6749 * c-common.c: Include real.h.
6750 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6751 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6752 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6753 * Makefile.in (c-common.o): Update dependencies.
6755 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6757 * c-parse.in (asm_string): Add trailing semicolon.
6759 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6761 * c-parse.in (asm_string): New. Don't allow wide strings in
6763 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6764 asm_string instead of STRING.
6766 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6768 * c-typeck.c (constructor_no_implicit): Remove.
6769 (set_designator, process_init_element): Don't check
6770 constructor_no_implicit.
6772 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
6773 Kaz Kojima <kkojima@gcc.gnu.org>
6776 * lcm.c (create_pre_exit): New.
6777 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6778 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
6780 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6782 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6783 -msoft-float in target_float_switch.
6784 * arm.c (arm_override_options): Fix processing of target_float_switch.
6786 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6788 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6791 2004-01-05 Uros Bizjak <uros@kss-loka.si>
6793 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6794 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6796 2005-01-04 Roger Sayle <roger@eyesopen.com>
6798 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6799 if deleting the then-block allows the test-block to fallthru to the
6802 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
6805 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6806 after the full declaration if the are in two different TUs.
6808 2005-01-04 Richard Henderson <rth@redhat.com>
6811 * tree-sra.c (generate_one_element_init): Just
6812 call gimplify_and_add.
6813 (generate_element_init): Record the
6814 new referenced variables and mark them for renaming
6815 and split out to ...
6816 (generate_element_init_1): This.
6817 (scalarize_init): Don't call push_gimplify_context/
6818 pop_gimplify_context.
6820 2005-01-04 Geoffrey Keating <geoffk@apple.com>
6822 * toplev.c (get_src_pwd): Handle failure of getpwd().
6824 2005-01-04 Roger Sayle <roger@eyesopen.com>
6826 * fold-const.c (fold_single_bit_test): Delete unreachable handling
6828 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6829 all the cases handled by it are inverted by invert_truthvalue.
6831 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6833 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6834 (save_register_windowsi): Likewise.
6836 2005-01-04 Richard Henderson <rth@redhat.com>
6838 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6840 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6843 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6844 any simplifications of vector mode comparison operators.
6845 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6847 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
6848 Devang Patel <dpatel@apple.com>
6850 PR tree-optimization/18308
6851 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6852 the operands before creating a new expression.
6853 * dojump.c (do_jump): Make drop_through_label available
6854 for all cases. Add expansion of COND_EXPR.
6856 2005-01-04 Ira Rosen <irar@il.ibm.com>
6858 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6859 INTEGER_CST instead of TREE_CONSTANT.
6860 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6861 instead of TREE_CONSTANT.
6862 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6863 instead of TREE_CONSTANT.
6865 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6867 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6869 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6872 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6873 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6875 2005-01-03 Richard Henderson <rth@redhat.com>
6877 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6878 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6879 fold_convert_const_real_from_real): Split out from ...
6880 (fold_convert_const): ... here.
6882 2005-01-03 Richard Henderson <rth@redhat.com>
6885 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6886 (mov<MMXMODEI>_internal): Likewise.
6887 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6888 Add V2SF case; use it for SSE1; don't use TI.
6889 (movdf_integer): Likewise.
6890 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6892 2005-01-03 Ira Rosen <irar@il.ibm.com>
6894 * tree-vectorizer.c (vect_strip_conversions): New function.
6895 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6896 check for binary class.
6898 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
6902 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6904 * gimple-low.c (mark_blocks_with_used_vars): New function.
6905 (mark_blocks_with_used_subblocks): Ditto.
6906 (mark_used_blocks): Ditto.
6907 (pass_mark_used_blocks): New pass.
6908 * tree-inline.c: Include debug.h.
6909 (expand_call_inline): Call outlining_inline_function here.
6910 * tree-optimize.c (init_tree_optimization_passes): Add
6911 pass_mark_used_blocks.
6912 * tree-pass.h (pass_mark_used_blocks): New.
6913 * Makefile.in (tree-inline.o): Add debug.h dependency.
6915 2005-01-03 Geoffrey Keating <geoffk@apple.com>
6917 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6918 VAR_DECLs to have weak_import attribute.
6920 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6923 2004-01-03 Steven Bosscher <stevenb@suse.de>
6925 * passes.c (rest_of_compilation): Don't run regmove if only
6926 flag_expensive_optimizations, require flag_regmove instead.
6928 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6930 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6932 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6933 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6934 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6935 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6937 2005-01-03 Richard Henderson <rth@redhat.com>
6939 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6940 (ia64_const_ok_for_letter_p): New.
6941 (ia64_const_double_ok_for_letter_p): New.
6942 (ia64_extra_constraint): New.
6943 (ia64_expand_vecint_compare): New.
6944 (ia64_expand_vcondu_v2si): New.
6945 (ia64_expand_vecint_cmov): New.
6946 (ia64_expand_vecint_minmax): New.
6947 (ia64_print_operand): Add 'v'.
6948 (ia64_preferred_reload_class): New.
6949 (ia64_vector_mode_supported_p): New.
6950 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6951 (PREFERRED_RELOAD_CLASS): Move to function.
6952 (CONST_OK_FOR_LETTER_P): Move to function.
6953 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6954 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6955 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6956 (EXTRA_CONSTRAINT): Move to function.
6957 * config/ia64/ia64.md: Include vect.md.
6958 (itanium_class): Add mmalua.
6960 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
6962 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6963 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6965 (const_int_2bit_operand): New.
6966 (fr_reg_or_0_operand): New.
6967 * config/ia64/ia64-modes.def: Add vector modes.
6968 * config/ia64/ia64-protos.h: Update.
6969 * config/ia64/vect.md: New file.
6971 2005-01-03 Richard Henderson <rth@redhat.com>
6973 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6975 2005-01-03 Uros Bizjak <uros@kss-loka.si>
6978 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6980 (log1pdf2): Change mode of operands[0,1] to DFmode.
6982 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6984 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6985 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6986 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6987 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6988 SPARC_RELAXED_ORDERING.
6990 2005-01-03 Richard Henderson <rth@redhat.com>
6991 Uros Bizjak <uros@kss-loka.si>
6994 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6995 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6996 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6998 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6999 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7000 const_pow2_1_to_128_operand): New predicates.
7002 2005-01-02 Greg McGary <greg@mcgary.org>
7004 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7006 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7007 object. [ptr_type]: Remove unused variable.
7008 Remember nearest addressable array-element or record-component
7009 when checking bitfield components. Tolerate empty BIND_EXPR.
7011 2005-01-01 Richard Henderson <rth@redhat.com>
7013 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7014 that don't narrow the value. Fail for other conversions.
7016 2005-01-01 Richard Henderson <rth@redhat.com>
7019 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7020 * c-lang.c (finish_file): Don't do it here.
7021 * objc/objc-act.c (objc_finish_file): Likewise.
7023 * cgraph.c (decl_assembler_name_equal): New.
7024 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7025 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7026 * cgraph.h (struct cgraph_varpool_node): Add next.
7027 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7028 * varasm.c (assemble_alias): Mark the target as needed.
7030 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
7033 * function.c (get_arg_pointer_save_area): Use entry_of_function
7034 instead of get_insns.
7036 2005-01-01 Roger Sayle <roger@eyesopen.com>
7037 Andrew Pinski <pinskia@physics.uc.edu>
7038 James E. Wilson <wilson@specifixinc.com>
7040 PR rtl-optimization/12092
7041 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7044 2005-01-01 Roger Sayle <roger@eyesopen.com>
7045 Olivier Hainque <hainque@act-europe.fr>
7047 * tree.c (int_fits_type_p): A narrower type always fits in a
7048 wider one, except for negative values into unsigned types.
7050 2005-01-01 Roger Sayle <roger@eyesopen.com>
7052 * tree.c (int_fits_type_p): Compare the result of force_fit_type
7053 with the original constant rather than require TREE_OVERFLOW.
7055 2005-01-01 Steven Bosscher <stevenb@suse.de>
7058 * c-decl.c (finish_function): If compiling C99, annotate the
7059 compiler generated return with the current file name and line 0.
7060 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7061 the source line is greater than 0.
7062 (remove_bb): Likewise.
7064 See ChangeLog.12 for earlier changes.
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