1 2005-12-15 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
5 error_mark_node. Make alignment params unsigned.
6 * config/rs6000/rs6000-protos.h
7 (rs6000_special_round_type_align): Update prototype.
8 (rs6000_machopic_legitimize_pic_address): Remove arg names.
10 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
12 PR rtl-optimization/25310
13 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
14 of the eliminable register when substituting into a PLUS.
16 2005-12-14 Jakub Jelinek <jakub@redhat.com>
19 * config/i386/i386.c (ix86_force_to_memory): Always use
20 SImode push for HImode in -m32.
21 (ix86_free_from_memory): Likewise.
23 2005-12-14 Richard Sandiford <richard@codesourcery.com>
25 * gcc/config/arm/arm.md: Provide a big-endian version of the
26 (zero_extend:SI (subreg:QI ...)) splitter.
28 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
30 * struct-equiv.c (note_local_live): Handle hard regs with different
33 2005-12-14 Jeff Law <law@redhat.com>
35 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
36 to a structure containing state rather than a pointer to bool.
37 (case ARRAY_REF): New code to handle folding some array references.
38 (case ADDR_EXPR): Note when we are processing expressions found
40 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
41 for state variables rather than just a pointer to a boolean.
42 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
43 handling of constant string references.
45 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
47 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
48 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
49 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
50 Move other tst* patterns to retain partial order.
52 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
54 * config/s390/s390.md ("d0", "1"): New mode attributes.
55 ("<shift>di3", "<shift>si3"): Merge.
56 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
57 ("ashrdi3", "ashrsi3"): Merge.
58 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
59 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
60 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
61 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
62 ("*ashrdi3", "*ashrsi3"): Merge.
63 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
65 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
67 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
68 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
69 ("*extendqidi2", "*extendqisi2") Merge.
70 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
71 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
72 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
73 Move some patterns to retain partial ordering.
75 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
77 * config/s390/s390.md ("atype", "length"): Rewrite.
78 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
80 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
82 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
84 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
86 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
87 PARALLELs with a mode.
89 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
91 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
94 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
96 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
98 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
102 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
105 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
107 2005-12-14 Jakub Jelinek <jakub@redhat.com>
111 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
112 DECL_P, call get_section rather than get_named_section. Supply
115 2005-12-14 Ben Elliston <bje@au.ibm.com>
117 * c-common.c (c_common_truthvalue_conversion): Generalise warning
118 for addresses converted to booleans; not just function addresses.
119 * c-typeck.c (build_binary_op): Warn for address comparisons which
120 can never be NULL (eg. func == NULL or &var == NULL).
121 * common.opt (Walways-true): New option.
122 * c-opts.c (c_common_handle_option): Set it with -Wall.
123 * doc/invoke.texi: Document it.
125 2005-12-13 Paul Brook <paul@codesourcery.com>
127 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
128 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
130 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
132 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
133 (EXTRA_MULTILIB_PARTS): Define.
135 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
137 PR rtl-optimization/20070 / part1
138 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
139 count_or_remove_death_notes with kill == -1.
140 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
141 registers if PROP_POST_REGSTACK is set.
142 (mark_used_reg): Likewise.
143 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
144 REG_UNUSED notes for stack regs.
145 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
146 to match rtx_equiv_p machinery. Change caller.
147 (outgoing_edges_match): Likewise.
148 (try_crossjump_to_edge): Use struct_equiv_block_eq
149 instead of flow_find_cross_jump.
150 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
151 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
152 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
153 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
154 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
155 (insns_match_p): Update prototype.
156 (flow_find_cross_jump): Remove prototype.
157 (struct_equiv_block_eq, struct_equiv_init): Declare.
158 (rtx_equiv_p, condjump_equiv_p): Likewise.
159 * struct-equiv.c: Include reload.h.
160 (IMPOSSIBLE_MOVE_FACTOR): Define.
161 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
162 (struct_equiv_improve_checkpoint): Likewise.
163 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
164 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
165 (struct_equiv_merge, find_dying_input): Likewise.
166 (resolve_input_conflict, note_local_live): Likewise.
167 (death_notes_match_p): Change parameters and processing
168 to match rtx_equiv_p machinery. Change caller.
169 (insns_match_p): Likewise.
170 (flow_find_cross_jump): Replace with:
171 (struct_equiv_block_eq).
173 Back out this change:
174 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
175 * recog.c (verify_changes): Make it static.
176 * recog.h: Remove the corresponding prototype.
178 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
180 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
183 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
185 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
186 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
187 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
188 TARGET_MS1_64_001 appropriately.
189 (ms1_machine_reorg): Use TARGET_MS2.
191 2005-12-13 Jakub Jelinek <jakub@redhat.com>
195 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
196 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
197 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
198 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
199 Set mode to SI, adjust constraints.
200 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
201 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
204 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
206 * c-cppbuiltin.c (builtin_define_float_constants): Add
207 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
208 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
209 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
210 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
211 to "((double)%sL)" otherwise "%s".
213 2005-12-13 Paul Brook <paul@codesourcery.com>
215 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
218 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
220 * tree-flow.h: Allow compilation with a C++ compiler.
221 (struct edge_prediction): Prefix all field names with "ep_".
222 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
223 (tree_predict_edge, combine_predictions_for_bb): Likewise.
224 (remove_predictions_associated_with_edge): Likewise.
226 2005-12-12 Jeff Law <law@redhat.com>
228 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
230 * passes.c (init_optimization_passes): Run reassociation again
231 after loop optimizations.
233 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
235 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
237 (optimize_stmt): Ditto.
238 (canonicalize_comparison): New function.
239 * tree-ssa-operands.c (swap_tree_operands): Make external.
240 (get_expr_operands): Stop auto-canonicalization.
241 * tree-ssa-reassoc.c: Rewrite.
242 (init_optimization_passes):
243 * tree-flow.h (swap_tree_operands): Prototype.
244 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
246 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
248 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
249 indicate function epilogue has been output.
250 (pa_asm_output_mi_thunk): Likewise.
251 (output_deferred_plabels): Put plabels in readonly data section when
252 not generating PIC code.
253 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
254 information. Add assert.
255 (som_output_comdat_data_section_asm_op): New function.
256 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
257 instead of output_section_asm_op for COMDAT sections.
259 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
261 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
262 Fix whitespace in vincinity of to-be-installed changes.
263 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
264 (insns_match_p): Likewise.
266 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
268 * config.gcc (ms1): Replace with ...
270 * config/ms1: Rename to ...
271 * config/mt: ... here. Rename ms1 files to mt.
272 * config/mt/mt.c: Adjust gt-mt.h #include.
273 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
274 (crti.o, crtn.o): Adjust file names.
276 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
278 * varray.h: Allow compilation with a C++ compiler.
279 (union varray_data_tag): Prefix all field names with "vdt_".
280 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
281 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
282 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
283 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
284 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
285 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
286 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
287 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
288 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
289 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
290 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
291 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
292 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
293 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
294 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
295 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
296 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
297 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
298 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
299 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
300 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
301 VARRAY_TOP_TREE_PTR): Likewise.
302 * varray.c (varray_grow): Likewise.
303 (varray_clear): Likewise.
305 2005-12-12 Alan Modra <amodra@bigpond.net.au>
308 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
309 alignment to doubleword if the first field is a double array.
310 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
312 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
314 * tree-ssa-structalias.c (process_constraint): Remove code to
315 transform addressofs into scalar.
316 (create_variable_info_for): In whole-program IPA, globals don't
317 point to ANYTHING by default.
319 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
321 * timevar.def (TV_IPA_PTA): New.
322 * tree-pass.h (pass_ipa_pta): New
323 * tree-ssa-structalias.c: Include cgraph.h
325 (predbitmap_obstack): New.
326 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
327 (struct constraint_stats): Add num_edges.
328 (new_var_info): Don't call bitmap_clear.
329 (struct constraint_edge): Update docs.
330 (new_constraint_edge): Remove src param.
331 (struct constraint_graph): Add zero_weight_succs,
332 zero_weight_preds. Update docs.
333 (constraint_expr_equal): Reformat.
334 (constraint_edge_equal): Update for removal of src.
335 (constraint_edge_less): Ditto.
336 (constraint_edge_vec_find): Ditto.
337 (erase_graph_self_edge): Update for removal of src and and zero
339 (clear_edges_for_node): Ditto.
340 (add_graph_edge): Ditto.
341 (get_graph_weights): Ditto.
342 (allocate_graph_weights): Ditto.
343 (merge_graph_nodes): Ditto.
344 (int_add_graph_edge): Ditto.
345 (valid_graph_edge): Ditto.
346 (valid_weighted_graph_edge): Ditto.
347 (build_constraint_graph): Ditto.
349 (collapse_nodes): Ditto.
350 (process_unification_queue): Ditto.
352 (solve_graph): Ditto.
353 (do_structure_copy): Ditto.
354 (perform_var_substitution): Ditto.
355 Init and release obstack.
356 (handle_ptr_arith): Try to resolve directly.
357 (find_func_aliases): Don't call update_alias_info here
358 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
359 (do_sd_constraint): Add code for propagating faster.
361 (do_ds_constraint): Ditto.
362 (count_num_arguments): New function.
363 (create_function_info_for): Ditto.
364 (create_variable_info_for): Handle FUNCTION_DECL.
365 (intra_create_variable_infos): Use make_constraint_to_anything.
366 (init_alias_vars): Init obstacks here.
367 (need_to_solve): Handle zero weight graph changes.
368 (compute_points_to_sets): Call update_alias_info here.
369 (delete_points_to_sets): Free zero weight preds/succs here.
371 (ipa_pta_execute): New
373 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
375 * tree-ssa-structalias.c (var_anyoffset): Removed.
376 (anyoffset_tree): Ditto.
377 (anyoffset_id): Ditto.
378 (do_deref): Take vector of constraints, no return value.
379 Update to work on vector.
380 (get_constraint_for): Ditto.
381 (get_constraint_for_component_ref): Ditto.
382 (do_structure_copy): Ditto.
383 (handle_ptr_arith): Ditto.
384 (find_func_aliases): Ditto.
385 (set_uids_in_ptset): Remove anyoffset handling.
386 (init_base_vars): Ditto.
388 2005-12-10 Mark Mitchell <mark@codesourcery.com>
391 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
392 DECL_EXTERNAL functions have no bodies. Tidy.
394 2005-12-10 Andreas Schwab <schwab@suse.de>
396 * except.c (switch_to_exception_section): Only define if
397 TARGET_UNWIND_INFO is not defined.
399 2005-12-10 Richard Sandiford <richard@codesourcery.com>
401 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
402 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
404 2005-12-10 Richard Sandiford <richard@codesourcery.com>
406 * output.h (init_section, fini_section): Delete.
407 * varasm.c (init_section, fini_section): Delete.
408 (init_varasm_once): Don't initialize them.
409 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
410 there are no corresponding varasm.c variables.
412 2005-12-10 Richard Sandiford <richard@codesourcery.com>
414 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
415 of EH_FRAME_SECTION_NAME into...
416 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
418 * except.c (default_exception_section): Delete, moving most
420 (switch_to_exception_section): ...this new function. Set
421 exception_section if it is still null, then switch to it.
422 (output_function_exception_table): Use switch_to_exception_section.
423 * varasm.c (exception_section, eh_frame_section): Update comments.
424 (get_section): Hoist use of SECTION_NAMED.
425 (init_varasm_once): Don't set exception_section and eh_frame_section.
426 * output.h (default_exception_section): Delete.
427 (default_eh_frame_section): Delete.
429 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
431 * config/bfin/bfin.c: Include "cgraph.h".
432 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
433 Return the reg that holds the pointer to the GOT.
434 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
435 doing stack checking.
437 2005-12-09 Diego Novillo <dnovillo@redhat.com>
439 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
440 recompute_tree_invarant_for_addr_expr.
441 Update uses everywhere.
443 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
445 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
446 (MULTILIB_DIRNAMES): Define.
448 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
451 * config/s390/s390.c (struct s390_address): New field literal_pool.
452 (s390_decompose_address): Compute literal_pool field. Do not
453 assume register %r13 is always (and solely) used as pool base.
454 (s390_extra_constraint_str): Use literal_pool field.
456 2005-12-09 Thiemo Seufer <ths@networkno.de>
458 * config/mips/mips.c (override_options): Don't allow too small
459 integers in FP registers.
461 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
463 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
464 targetm.binds_local_p to check for local function calls.
466 2005-12-09 Alan Modra <amodra@bigpond.net.au>
469 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
470 call_used_regs can't be used to save reg in another reg.
472 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
473 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
475 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
477 * except.c (output_ttype): Likewise.
478 * tree-object-size.c (collect_object_sizes_for): Likewise.
479 (check_for_plus_in_loops_1): Likewise.
480 (check_for_plus_in_loops): Likewise.
481 (compute_object_sizes): Use gcc_unreachable instead of abort.
483 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
485 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
486 (loop_end, loop_init, doloop_end): New insns.
487 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
488 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
489 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
490 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
491 * config/ms1/ms1.c: #include basic-block.h
492 (struct machine_function): Add has_loops field.
494 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
495 (struct loop_info, struct loop_work): New.
496 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
497 (ms1_reorg_loops): New loop optimization.
498 (ms1_machine_reorg): Call it.
499 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
501 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
503 PR tree-optimization/25248
504 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
505 evolution_of_loop from the failed attempt. Remove handling
508 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
510 * tree.h (DECL_EXTERNAL): Clarify documentation.
512 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
513 Jakub Jelinek <jakub@redhat.com>
516 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
517 argument. Don't drop outer ANDs.
518 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
519 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
521 * config/s390/predicates.md (setmem_operand): Remove.
522 (shift_count_operand): Rename to...
523 (shift_count_or_setmem_operand): ... this. Adjust
524 s390_decompose_shift_count caller.
525 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
526 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
527 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
528 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
529 rotl<mode>3_and, setmem_long_and): New insns.
530 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
531 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
532 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
533 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
534 of shift_count_operand.
535 (setmem_long): Use shift_count_or_setmem_operand instead of
538 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
539 Andreas Tobler <a.tobler@schweiz.ch>
541 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
544 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
546 * expr.c (force_operand): Use convert_to_mode for conversions.
548 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
550 * reload.h (reg_equiv_invariant): Declare.
551 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
552 register also when reg_equiv_invariant[R] is set.
554 2005-12-07 Richard Sandiford <richard@codesourcery.com>
555 Andreas Tobler <a.tobler@schweiz.ch>
557 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
559 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
561 * tree-ssa-pre.c (bitmap_set_and): New function.
562 (bitmap_set_and_compl): New function.
563 (bitmap_set_empty_p): New function.
564 (insert_extra_phis): New function.
565 (compute_avail): Use insert_extra_phis.
567 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
569 * config/s390/s390.c (s390_expand_atomic): New function.
570 Adjust comment of helper functions.
571 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
572 * config/s390/s390.md ("ATOMIC"): New code macro.
573 ("atomic"): Corresponding new code attribute.
574 ("sync_lock_test_and_set[hq]i",
575 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
577 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
579 * config/s390/s390.c (s390_expand_mask_and_shift,
580 struct alignment_context, init_alignment_context,
581 s390_expand_cs_hqi): New.
582 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
583 * config/s390/s390.md ("sync_compare_and_swaphi",
584 "sync_compare_and_swapqi"): New pattern.
586 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
588 Fix PR tree-optimization/25291
589 * tree-ssa-operands.c (add_call_clobber_ops): Remove
590 redundant and crashing check.
592 2005-12-08 Alan Modra <amodra@bigpond.net.au>
595 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
596 tests further when !strict && reload_in_progress.
597 (print_operand): Check that both operands of indexed address are regs.
598 (print_operand_address): Likewise.
599 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
600 (INT_REG_OK_FOR_BASE_P): Correct.
602 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
604 Preparation for PR rtl-optimization/20070 / part1
605 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
606 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
607 outgoing_edges_match.
608 (outgoing_edges_match): Use condjump_equiv_p.
609 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
611 * struct-equiv.c: New file.
612 (death_notes_match_p) New function, broken out of insns_match_p.
613 * Makefile.in (OBJS-common): Add struct-equiv.o.
614 (struct-equiv.o): New target.
616 2005-12-07 Richard Sandiford <richard@codesourcery.com>
618 * coretypes.h: Revert previous change.
619 * config/darwin.h: Revert previous reversion.
620 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
622 2005-12-07 Richard Sandiford <richard@codesourcery.com>
624 * coretypes.h (section): Provide dummy definition for target files.
625 * config/darwin.h: Revert previous change.
627 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
629 * doc/sourcebuild.texi (all.build, install-normal): Remove.
630 * configure.ac: Remove all.build and install-normal from target_list
631 * configure: Regenerate.
632 * Makefile.in (install): Don't depend on install-normal.
634 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
636 * Makefile.in: Document the use of stamps.
638 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
640 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
641 * Makefile.in: Add code to compute some dependencies on s-gtype
642 automatically. Remove the declaration of those dependencies.
644 2005-12-07 Richard Sandiford <richard@codesourcery.com>
646 * gcc/reload.c (push_secondary_reload): Fix typo:
647 s/insn_constraint/scratch_constraint/.
649 2005-12-07 Richard Sandiford <richard@codesourcery.com>
651 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
653 2005-12-07 Richard Sandiford <richard@codesourcery.com>
655 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
656 (alpha_elf_select_rtx_section): Return the selected section rather
657 than emitting assembly code.
658 (alpha_write_linkage): Emit a ".link" directive directly and then
659 set in_section to NULL.
660 (vms_asm_out_constructor): Use switch_to_section.
661 (vms_asm_out_destructor): Likewise.
662 (unicosmk_output_common): Set in_section to NULL instead of calling
663 the dummy common_section function.
664 (unicosmk_text_section): Delete in favor of...
665 (unicosmk_output_text_section_asm_op): ...this new function.
666 (unicosmk_data_section): Delete in favor of...
667 (unicosmk_output_data_section_asm_op): ...this new function.
668 (unicosmk_init_sections): New function.
669 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
670 (unicosmk_output_ssib): Set in_section to NULL instead of calling
671 the dummy ssib_section function.
672 (unicosmk_section_buf): Delete.
673 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
674 (unicosmk_data_section): Delete.
675 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
676 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
677 (SECTION_FUNCTION_TEMPLATE): Delete.
678 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
679 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
680 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
681 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
682 (TARGET_ASM_INIT_SECTIONS): Define.
683 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
684 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
685 (link_section, literals_section): Delete.
686 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
687 set in_section to NULL.
689 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
690 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
691 (COMMON_SECTION): Delete.
692 (TARGET_ASM_INIT_SECTIONS): Define.
693 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
694 the dummy common_section function.
695 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
696 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
697 between readonly_data_section and text_section to check whether
698 read-only data is being put in the text section.
699 (arm_output_function_epilogue): Use switch_to_section.
700 (arm_elf_asm_constructor): Likewise.
701 (thumb_call_via_reg): Replace call to in_text_section with
702 a comparison between in_section and text_section.
703 (arm_file_end): Use switch_to_section.
704 (aof_text_section): Delete in favor of...
705 (aof_output_text_section_asm_op): ...this new function.
706 (aof_data_section): Delete in favor of...
707 (aof_output_data_section_asm_op): ...this new function.
708 (aof_asm_init_sections): New function.
709 (zero_init_section): Moved from config/arm/aof.h.
710 (aof_dump_imports, aof_file_start): Use switch_to_section.
711 * config/arm/arm.h (thumb_call_via_label): Update comment.
712 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
713 (common_section): Delete.
714 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
715 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
716 global switch_to_section function instead of the old port-local one.
717 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
718 (SWITCH_TO_SECTION_FUNCTION): Delete.
719 (drectve_section): Redefine as a macro.
720 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
721 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
724 * config/avr/avr.c (progmem_section): New variable.
725 (avr_output_progmem_section_asm_op): New function.
726 (avr_asm_init_sections): New function.
727 (avr_output_addr_vec_elt): Use switch_to_section.
728 * config/avr/avr.h (progmem_section): Declare.
729 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
730 (READONLY_DATA_SECTION): Delete.
731 (TARGET_ASM_INIT_SECTIONS): Define.
732 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
733 * config/avr/avr-protos.h (progmem_section): Delete.
735 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
737 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
738 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
740 * config/darwin-sections.def: New file.
741 * config/darwin.c: Define all sections in darwin-sections.def.
742 (output_objc_section_asm_op, darwin_init_sections): New functions.
743 (machopic_output_indirection): Use switch_to_section.
744 (machopic_select_section): Return the selected section rather than
745 emitting assembly code. Replace the static function table with
746 inline conditional expressions. Update the tests of last_text_section
747 and move them into the FUNCTION_DECL block.
748 (machopic_select_rtx_section): Return the selected section rather than
749 emitting assembly code.
750 (machopic_asm_out_constructor, machopic_asm_out_destructor)
751 (darwin_file_end): Use switch_to_section.
752 * config/darwin.h: Use darwin-sections.def to declare sections.
753 (INIT_SECTION_ASM_OP): Remove empty definition.
754 (HAS_INIT_SECTION): Define this instead.
755 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
756 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
757 (TARGET_ASM_EH_FRAME_SECTION): Delete.
758 (TARGET_ASM_INIT_SECTIONS): Define.
759 * config/darwin-protos.h (darwin_init_sections): Declare.
760 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
761 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
762 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
763 (constructor_section, destructor_section, mod_init_section): Delete.
764 (mod_term_section): Delete.
765 (darwin_exception_section, darwin_eh_frame_section): Delete.
766 (machopic_select_section): Return a section.
767 (machopic_select_rtx_section): Likewise.
768 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
769 (const_section, const_coal_section, const_data_section): Delete.
770 (const_data_coal_section, data_coal_section, cstring_section): Delete.
771 (literal4_section, literal8_section, constructor_section): Delete.
772 (mod_init_section, mod_term_section, destructor_section): Delete.
773 (objc_class_section, objc_meta_class_section, objc_category_section)
774 (objc_class_vars_section, objc_instance_vars_section): Delete.
775 (objc_cls_meth_section, objc_inst_meth_section): Delete.
776 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
777 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
778 (objc_symbols_section, objc_module_info_section): Delete.
779 (objc_image_info_section, objc_protocol_section): Delete.
780 (objc_string_object_section, objc_constant_string_object_section)
781 (objc_class_names_section, objc_meth_var_names_section): Delete.
782 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
783 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
784 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
785 (darwin_exception_section, darwin_eh_frame_section): Delete.
786 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
788 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
789 (frv_asm_out_destructor): Likewise.
790 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
791 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
792 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
794 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
795 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
796 (data_section): Delete.
798 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
799 (DRECTVE_SECTION_FUNCTION): Delete.
800 (drectve_section): Redefine as a macro that sets in_section after
801 emitting the directive.
802 (SWITCH_TO_SECTION_FUNCTION): Delete.
803 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
804 in_text_section with comparison between in_section and text_section.
805 * config/i386/i386.c (x86_64_elf_select_section): Return the section
806 rather than emitting assembly code. Use get_named_section.
807 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
809 (machopic_output_stub): Use switch_to_section.
810 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
811 (nwld_named_section_asm_out_destructor): Use get_section and
814 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
815 rather than emitting assembly code.
816 (ia64_rwreloc_select_section): Likewise.
817 (ia64_rwreloc_select_rtx_section): Likewise.
818 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
819 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
821 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
822 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
824 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
825 section rather than emitting assembly code.
826 (iq2000_select_section): Likewise.
827 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
828 (sbss_section): Delete.
830 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
831 and get_named_section.
832 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
834 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
835 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
836 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
837 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
839 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
840 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
841 global switch_to_section function instead of the old port-local one.
842 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
843 (SWITCH_SECTION_FUNCTION): Delete.
844 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
845 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
846 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
847 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
849 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
850 global switch_to_section function instead of the old port-local one.
851 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
853 * config/mips/mips.c (mips_file_start): Update comment.
854 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
855 (mips_output_aligned_decl_common): Use switch_to_section.
856 (mips_select_rtx_section): Return the section rather than emitting
857 assembly code. Use get_named_section.
858 (mips_function_rodata_section: Likewise get_section.
859 (build_mips16_function_stub): Use switch_to_section.
860 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
861 (SDATA_SECTION_ASM_OP): Delete.
862 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
863 (EXTRA_SECTION_FUNCTIONS): Delete.
865 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
866 (mmix_asm_output_aligned_local): Use switch_to_section.
868 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
869 (som_one_only_readonly_data_section): New variables.
870 (pa_output_function_epilogue): Set in_section to NULL instead of
871 calling forget_section.
872 (output_deferred_plabels): Use select_section.
873 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
874 of calling forget_section.
875 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
876 (pa_asm_output_aligned_local): Use select_section.
877 (som_text_section_asm_op): Delete in favor of...
878 (som_output_text_section_asm_op): ...this new function.
879 (pa_som_asm_init_sections): New function.
880 (pa_select_section): Return the section rather than emitting
882 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
883 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
884 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
885 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
886 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
887 (som_readonly_data_section, som_one_only_readonly_data_section)
888 (som_one_only_data_section, forget_section): Delete.
889 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
890 (TARGET_ASM_INIT_SECTIONS): Define.
891 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
893 * config/rs6000/rs6000.c (read_only_data_section): New variable.
894 (private_data_section, read_only_private_data_section): New variables.
895 (sdata2_section, toc_section): New variables.
896 (rs6000_file_start): Use switch_to_section.
897 (rs6000_assemble_integer): Use comparisons against in_section
898 instead of calling in_toc_section and in_text_section. Use
899 unlikely_text_section_p.
900 (rs6000_elf_output_toc_section_asm_op): New function, derived
901 from the old rs6000/sysv4.h toc_section function.
902 (rs6000_elf_asm_init_sections): New function.
903 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
904 the section rather than emitting assembly code.
905 (machopic_output_stub): Use switch_to_section.
906 (toc_section): Delete dummy function.
907 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
908 switch_to_section and get_section.
909 (rs6000_xcoff_output_readonly_section_asm_op): New function.
910 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
911 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
912 the old rs6000/xcoff.h toc_section function.
913 (rs6000_xcoff_asm_init_sections): New function.
914 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
915 the section rather than emitting assembly code.
916 (rs6000_xcoff_file_start): Use switch_to_section.
917 (rs6000_xcoff_file_end): Likewise.
918 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
919 (sdata2_section, sbss_section, private_data_section): Delete.
920 (read_only_data_section, read_only_private_data_section): Delete.
921 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
922 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
923 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
924 (FINI_SECTION_FUNCTION): Delete.
925 (TARGET_ASM_INIT_SECTIONS): Define.
926 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
927 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
928 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
929 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
930 (READONLY_DATA_SECTION): Delete.
931 (TARGET_ASM_INIT_SECTIONS): Define.
932 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
933 to NULL rather than no_section.
934 (TARGET_ASM_EXCEPTION_SECTION): Delete.
936 * config/sh/sh.c (sh_file_start): Use switch_to_section.
938 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
939 (sparc_output_deferred_case_vectors): Likewise. Remove argument
940 from call to current_function_section.
942 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
943 (bss100_section): New variable.
944 (xstormy16_asm_output_aligned_common): Use switch_to_section.
945 (xstormy16_asm_init_sections): New function.
946 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
947 switch_to_section and get_section.
948 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
949 from calls to current_function_section.
950 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
951 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
952 (TARGET_ASM_INIT_SECTIONS): Define.
953 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
955 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
956 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
957 (FINI_SECTION_FUNCTION): Delete.
959 * config/v850/v850.c: Include gt-v850.h.
960 (rosdata_section, rozdata_section, tdata_section, zdata_section)
961 (zbss_section): New variables.
962 (v850_output_aligned_bss): Use switch_to_section.
963 (v850_asm_init_sections): New function.
964 (v850_select_section): Return the section rather than emitting
966 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
967 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
968 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
969 (TARGET_ASM_INIT_SECTIONS): Define.
970 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
971 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
972 (zbss_section): Delete.
974 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
976 * config/vx-common.h (vxworks_exception_section): Delete.
977 (TARGET_ASM_EXCEPTION_SECTION): Delete.
979 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
980 section rather than emitting assembly code.
981 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
984 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
985 * coretypes.h (section): New union and typedef.
986 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
987 from call to current_function_section.
988 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
989 (dbxout_symbol_location): Use switch_to_section.
990 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
991 most of the code into...
992 (default_eh_frame_section): ...here. Return a section.
993 (collect2_eh_frame_section): Delete, moving most of the code into..
994 (switch_to_eh_frame_section): ...this new function.
995 (debug_info_section, debug_abbrev_section, debug_aranges_section)
996 (debug_macinfo_section, debug_line_section, debug_loc_section)
997 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
999 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1000 eh_frame_section. Use switch_to_section and get_section.
1001 (dwarf2out_begin_prologue): Use switch_to_section.
1002 (AT_string_form): Check the flags in debug_str_section instead of
1003 DEBUG_STR_SECTION_FLAGS.
1004 (output_comp_unit): Use switch_to_section, get_section, and
1006 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1007 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1008 from call to current_function_section.
1009 (dwarf2out_var_location): Use unlikely_text_section_p.
1010 (dwarf2out_source_line): Use switch_to_section. Remove argument
1011 from call to current_function_section.
1012 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1013 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1014 debug_macinfo_section.
1015 (dwarf2out_init): Initialize the new section variables. Use them
1016 instead of calls to named_section_flags. Use switch_to_section.
1017 (output_indirect_string): Use switch_to_section and debug_str_section.
1018 (dwarf2out_finish): Use switch_to_section and the new section
1020 * except.c (default_exception_section): Return the section instead
1021 of emitting assembly code.
1022 (output_function_exception_table): Use the global exception_section
1023 variable instead of the target hook. Use switch_to_section. Remove
1024 argument from call to current_function_section.
1025 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1026 (shorten_branches): Use pointer comparisons to detect whether the
1027 text section is the same as readonly_data_section.
1028 (profile_function): Use switch_to_section. Remove argument from
1029 call to current_function_section.
1030 (final_scan_insn): Likewise. Update use of last_text_section.
1031 * gengtype.c (open_base_files): Add an include of output.h.
1032 * output.h (text_section, data_section, readonly_data_section)
1033 (ctors_section, dtors_section, bss_section, init_section)
1034 (fini_section, sdata_section): Turn into section pointers.
1035 (in_text_section, in_unlikely_text_section, exports_section)
1036 (drectve_section, named_section, mergeable_string_section)
1037 (last_text_section_name): Delete.
1038 (default_exception_section, default_eh_frame_section): Return sections.
1039 (SECTION_DECLARED, SECTION_NAMED): New macros.
1040 (SECTION_MACH_DEP): Bump value.
1041 (section_common, named_section, unnamed_section): New structures.
1042 (unnamed_section_callback): New typedef.
1043 (section): New union.
1044 (sbss_section, exception_section, eh_frame_section): New variables.
1045 (in_section, last_text_section): Turn into section pointers.
1046 (get_unnamed_section, get_section, get_named_section): New functions.
1047 (mergeable_constant_section, function_section): Return a section.
1048 (unlikely_text_section): Likewise.
1049 (current_function_section): Likewise. Remove the decl argument.
1050 (unlikely_text_section_p, switch_to_section): New functions.
1051 (output_section_asm_op): New function.
1052 (set_named_section_flags, named_section_flags, named_section_real)
1053 (named_section_first_declaration): Delete.
1054 (default_select_section, default_elf_select_section): Return a section.
1055 (default_elf_select_section_1, default_function_rodata_section)
1056 (default_no_function_rodata_section, default_select_rtx_section)
1057 (default_elf_select_rtx_section): Likewise.
1058 * rtl.h (in_data_section): Delete.
1059 * sdbout.c (sdbout_one_type): Use switch_to_section.
1060 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1061 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1062 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1063 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1064 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1065 (TARGET_ASM_OUT): Update after above changes.
1066 * target.h (init_sections): New hook.
1067 (exception_section, eh_frame_section): Delete.
1068 (select_section, select_rtx_section, function_rodata_section): Return
1069 a section rather than emitting assembly code.
1070 * varasm.c (text_section, data_section, readonly_data_section)
1071 (ctors_section, dtors_section, bss_section, init_section)
1072 (fini_section): Turn into section pointers.
1073 (sdata_section, sbss_section, exception_section): New variables.
1074 (eh_frame_section): New variable.
1075 (in_section): Make global and turn into a section pointer.
1076 (last_text_section): Turn into a section pointer.
1077 (unnamed_sections): New variable.
1078 (in_named_name, last_text_section_name): Delete.
1079 (EXTRA_SECTION_FUNCTIONS): Delete.
1080 (in_named_entry): Delete.
1081 (section_htab): New variable, replacing...
1082 (in_named_htab): ...this deleted variable.
1083 (section_entry_eq, section_entry_hash): New functions, based on...
1084 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1085 (get_unnamed_section, get_section): New functions.
1086 (unlikely_text_section): Return a section instead of emitting
1088 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1089 (get_named_section_flags, named_section_first_declaration): Delete.
1090 (unlikely_text_section_p): New function.
1091 (named_section_real, named_section): Delete.
1092 (get_named_section): New function.
1093 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1094 (function_section): Return a section rather than emitting
1096 (current_function_section): Likewise. Remove argument. Use
1097 last_text_section if nonnull, otherwise use function_section.
1098 (default_function_rodata_section): Return a section rather than
1099 emitting assembly code. Use get_section.
1100 (default_no_function_rodata_section): Return a section rather than
1101 emitting assembly code.
1102 (variable_section): Use switch_to_section and get_named_section.
1103 (mergeable_string_section): Return a section rather than emitting
1104 assembly code. Use get_section. Make static. Don't take special
1105 countermeasures for empty strings.
1106 (mergeable_constant_section): Return a section rather than emitting
1107 assembly code. Use get_section.
1108 (default_named_section_asm_out_destructor): Use switch_to_section
1110 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1111 (default_named_section_asm_out_constructor): Use switch_to_section
1113 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1114 (assemble_start_function): Likewise. Set last_text_section to
1115 NULL rather than no_section. Change the type of save_section.
1116 (assemble_zeros, assemble_variable): Use the section flags to detect
1117 whether or not a section is text.
1118 (assemble_static_space): Use switch_to_section.
1119 (assemble_trampoline_template): Likewise.
1120 (output_constant_def_contents): Use switch_to_section and
1122 (output_constant_pool_1): Use switch_to_section. Use the section
1123 flags to see whether sections contain mergeable data.
1124 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1125 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1126 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1127 whether a section has already been declared.
1128 (default_select_section, default_elf_select_section): Return a
1129 section rather than emitting assembly code.
1130 (default_elf_select_section_1): Likewise. Use bss_section for
1131 SECCAT_BSS if nonnull. Use get_named_section.
1132 (default_select_rtx_section): Return a section rather than
1133 emitting assembly code.
1134 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1135 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1136 (output_section_asm_op, switch_to_section): New functions.
1137 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1140 * doc/tm.texi: Expand the introduction to the sections documentation.
1141 (TRAMPOLINE_SECTION): Document new interface.
1142 (SDATA_SECTION_ASM_OP): Document new macro.
1143 (READONLY_DATA_SECTION): Delete.
1144 (SDATA_SECTION_ASM_OP): Document new macro.
1145 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1146 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1147 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1148 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1149 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1151 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1153 * gcc.c (init_gcc_specs): Match braces inside conditionally
1156 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1158 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1160 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1163 * tree.c (integer_all_onesp): Always return true if all bits on.
1165 * testsuite/g++.dg/init/array0.C: New.
1167 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1169 * doc/md.texi: Adapt to implementation.
1171 2005-12-06 Andreas Schwab <schwab@suse.de>
1173 * opts.c (decode_options): Fix typo in message.
1175 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1178 * longlong.h: Merge PPC tests from upstream.
1180 2005-12-06 Richard Guenther <rguenther@suse.de>
1182 * fold-const.c (fold_convert): Do not build and fold
1183 CONVERT_EXPR, but always use NOP_EXPR.
1185 2005-12-06 Jan Beulich <jbeulich@novell.com>
1187 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1188 __builtin_ia32_paddq and __builtin_ia32_subq.
1189 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1190 __builtin_ia32_pshufw.
1191 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1193 2005-12-05 James E Wilson <wilson@specifix.com>
1196 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1199 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1201 * print-tree.c (print_node): Ditto.
1202 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1203 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1204 before accessing DECL_ARTIFICIAL.
1205 Handle new tag tree codes.
1206 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1208 (unmodifiable_var_p): Ditto.
1209 * tree-flow.h (mem_tag_kind): Remove.
1210 (struct var_ann_d): Remove mem_tag_kind member.
1211 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1212 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1213 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1214 (group_aliases): Ditto.
1215 (setup_pointers_and_addressables): Ditto.
1216 (is_escape_site): Ditto.
1217 (may_alias_p): Ditto.
1218 (create_tag_raw): New function.
1219 (create_memory_tag): Use it.
1220 (dump_alias_info): Update for tags.
1221 (may_be_aliased): Ditto.
1222 (add_type_alias): Ditto.
1223 (new_type_alias): Ditto.
1224 (create_sft): Ditto.
1225 (create_structure_vars): Ditto.
1226 * tree-ssa-ccp.c (get_default_value): Ditto.
1227 * tree-ssa-operands.c (get_expr_operands): Ditto.
1228 (add_stmt_operand): Ditto.
1229 (add_call_clobber_ops): Remove duplicated condition.
1230 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1232 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1233 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1234 * tree.c (init_ttree): Update structures for new tree codes.
1235 (tree_code_size): Update sizes for new tree codes.
1236 (make_node_stat): Don't try to set common things on minimal
1238 (tree_node_structure): Update for tags.
1239 (is_global_var): Ditto.
1240 * tree.def: Add new tree codes.
1241 * tree.h (MTAG_P): New macro.
1242 (TREE_MEMORY_TAG_CHECK): Ditto.
1243 (SSA_VAR_P): Update for tags.
1244 (struct tree_memory_tag): New structure.
1245 (MTAG_GLOBAL): New macro.
1246 (union tree_node): Add memory tag member.
1247 * treestruct.def (TS_MEMORY_TAG): New.
1249 2005-12-05 Dale Johannesen <dalej@apple.com>
1251 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1252 what was approved (PR 24323).
1254 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1256 * doc/c-tree.texi (Function Bodies): Remove description of
1259 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1261 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1262 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1263 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1264 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1265 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1266 __divxc3): Document.
1268 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1270 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1272 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1273 hook_bool_void_false.
1274 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1275 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1277 * config/darwin.c (machopic_select_section): It's not defined
1278 as weak if it's only marked as weak_import.
1280 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1283 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1284 A hidden weak object does bind locally. Strong linkonce data
1285 counts like any other strong symbol for binding.
1286 (weak_finish_1): Don't specially handle weakrefs, they no longer
1288 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1289 * c-common.c (handle_alias_attribute): Allow static aliases
1291 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1292 * gthr-dce.h: Make weakrefs static.
1293 * gthr-tpf.h: Likewise.
1294 * gthr-solaris.h: Likewise.
1295 * gthr-posix.h: Likewise.
1296 * gthr-posix95.h: Likewise.
1297 * config/darwin.c (darwin_encode_section_info): static weakref
1298 variables are not necessarily defined in this translation unit.
1299 * doc/extend.texi (Function Attributes): Mention that an alias
1300 attribute creates a definition for the thing it's attached to.
1301 Change the documentation for weakref to say that the thing
1302 it's attached to must be static.
1304 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1305 we don't go into an infinite loop.
1307 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1309 * config/rs6000/predicates.md (logical_const_operand): Split
1310 out of logical_operand.
1311 (logical_operand): Use it.
1312 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1313 logical_const_operand.
1315 2005-12-05 Jan Beulich <jbeulich@novell.com>
1317 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1318 and IX86_BUILTIN_CMPNESS.
1319 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1320 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1321 * config/i386/i386.md (movti_internal): Correct type attribute.
1322 Simplify mode attribute.
1323 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1324 Correct type attribute.
1325 (absxf2): Correct operator.
1326 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1327 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1328 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1330 (sse2_vmsqrtv2df2): Correct mode attribute.
1332 2005-12-05 Jan Beulich <jbeulich@novell.com>
1334 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1335 16 bits. Provide insn pattern for this case.
1337 2005-12-05 Jan Beulich <jbeulich@novell.com>
1339 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1341 (__popcountDI2): Likewise.
1343 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1346 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1347 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1348 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1351 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1353 * c-typeck.c (null_pointer_constant_p): New function.
1354 (build_conditional_expr, build_c_cast, convert_for_assignment,
1355 build_binary_op): Use it.
1357 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1359 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1360 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1362 (check_function_arguments_recurse): Allow both NOP_EXPR and
1363 CONVERT_EXPR but check conversions preserve precision.
1364 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1365 but check conversions preserve precision.
1366 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1369 2005-12-04 Roger Sayle <roger@eyesopen.com>
1372 * common.opt (Wstring-literal-comparison): New command line option.
1373 * c-opts.c (c_common_handle_option): Set it with -Wall.
1374 * c-typeck.c (parser_build_binary_op): Issue warning if either
1375 operand of a comparison operator is a string literal, except for
1376 testing equality or inequality against NULL.
1378 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1380 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1382 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1383 of building a NOP_EXPR.
1384 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1386 * c-convert.c (convert): Use fold_convert instead of building
1387 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1388 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1390 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1391 NOP_EXPR the same as CONVERT_EXPR.
1392 * c-typeck.c (build_function_call): Use fold_convert instead of
1393 building a NOP_EXPR directly.
1394 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1396 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1398 PR rtl-optimization/25197
1399 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1402 2005-12-02 Stuart Hastings <stuart@apple.com>
1404 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1407 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1409 * c-typeck.c (default_function_array_conversion,
1410 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1411 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1412 orig_op2. Don't check them for NOP_EXPR.
1413 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1414 around integer zero.
1416 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1418 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1419 toc_save_offset, toc_size, lr_size.
1420 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1421 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1422 Adjust for removal of unused rs6000_stack_t fields.
1423 (debug_stack_info): Adjust.
1424 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1425 first, and don't bother checking for set/inc of lr on sibcalls.
1426 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1428 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1431 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1432 5 if operand 1 is not aligned. Undo previous constraint change.
1433 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1435 2005-12-02 Richard Guenther <rguenther@suse.de>
1437 * tree.h (build): Remove prototype.
1438 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1439 * tree.c (build): Remove.
1440 (build0_stat): Update comment.
1442 2005-12-02 Richard Guenther <rguenther@suse.de>
1444 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1445 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1447 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1448 maybe_fold_offset_to_component_ref): Likewise.
1449 * tree-ssa-dom.c (thread_across_edge,
1450 simplify_rhs_and_lookup_avail_expr,
1451 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1453 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1454 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1455 lower_try_finally_switch): Likewise.
1456 * tree-if-conv.c (add_to_dst_predicate_list,
1457 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1458 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1459 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1460 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1461 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1462 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1463 gimplify_init_ctor_eval, gimplify_init_constructor,
1464 gimplify_variable_sized_compare, gimplify_boolean_expr,
1465 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1466 gimplify_expr, gimplify_body, gimplify_function_tree,
1467 force_gimple_operand): Likewise.
1468 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1469 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1470 mx_register_decls): Likewise.
1471 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1472 get_frame_field, finalize_nesting_tree_1): Likewise.
1473 * tree-inline.c (setup_one_parameter): Likewise.
1474 * tree-vect-transform.c (vectorizable_condition): Likewise.
1475 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1477 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1478 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1479 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1480 * tree-chrec.h (build_polynomial_chrec): Likewise.
1482 2005-12-02 Richard Guenther <rguenther@suse.de>
1484 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1485 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1486 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1487 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1488 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1489 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1490 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1492 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1493 sh_adjust_unroll_max): Likewise.
1494 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1495 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1496 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1498 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1500 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1503 2005-12-02 Richard Guenther <rguenther@suse.de>
1505 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1506 simplify_cond_using_ranges): Use buildN instead of build.
1507 * tree-tailcall.c (adjust_accumulator_values,
1508 adjust_return_value): Likewise.
1509 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1510 generate_element_copy, generate_element_zero,
1511 generate_one_element_init): Likewise.
1512 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1513 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1514 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1515 perfect_nestify): Likewise.
1517 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1519 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1521 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1523 * ggc.h (GGC_RESIZEVEC): New.
1525 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1527 * gcc.c (execute): Improve readability.
1529 2005-12-02 Richard Guenther <rguenther@suse.de>
1531 * tree-cfg.c (mark_used_vars): New function.
1532 (dump_function_to_file): Dump only used VAR_DECLs.
1534 2005-12-02 Richard Guenther <rguenther@suse.de>
1536 * convert.c (convert_to_integer): Fix compare for nonpositive
1537 constant to use tree_int_cst_sgn <= 0.
1539 2005-12-02 Richard Guenther <rguenther@suse.de>
1541 * convert.c (convert_to_integer): Use fold_convert instead
1542 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1543 instead of comparing against 0. Use build_int_cst instead
1544 of converting integer_zero_node.
1546 2005-12-02 Richard Guenther <rguenther@suse.de>
1548 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1551 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1554 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1557 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1560 * function.c (expand_function_end): Emit blockage for unwinder
1563 2005-12-01 Roger Sayle <roger@eyesopen.com>
1565 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1566 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1567 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1568 integer constant comparisons.
1570 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1571 Janis Johnson <janis187@us.ibm.com>
1572 David Edelsohn <dje@watson.ibm.com>
1573 Ben Elliston <bje@au.ibm.com>
1575 * dfp.h, dfp.c: New files.
1576 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1577 (DECNUM_H): Likewise.
1578 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1579 (INCLUDES): Append $(DECNUMINC).
1580 (OBJS-common): Add dfp.o.
1582 * real.h (EXP_BITS): Pinch one bit to ..
1583 (struct real_value): Add decimal field.
1584 (real_format): Change table size, update documentation.
1585 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1586 (real_from_string3): Declare.
1587 (decimal_single_format): Declare.
1588 (decimal_double_format): Declare.
1589 (decimal_quad_format): Declare.
1590 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1591 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1592 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1593 * real.c: Include dfp.h.
1594 (normalize): Early return for decimal floats.
1595 (do_add): Zero decimal field.
1596 (do_compare): Call do_decimal_compare for decimal floats.
1597 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1598 (real_arithmetic): Call decimal_real_arithmetic for decimal
1599 floating point operands.
1600 (real_identical): If a and b are of differing radix, return false.
1601 (real_to_integer): Call decimal_real_to_integer if the value is a
1603 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1604 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1605 (real_to_hexadecimal): Place "N/A" in the return string for
1607 (real_from_string3): New variant, given a mode.
1608 (real_maxval): Use decimal_real_maxval for decimal floats.
1609 (round_for_format): Use decimal_round_for_format for decimals.
1610 (real_convert): Use decimal_real_convert where appropriate.
1611 (significand_size): Handle base 10.
1612 (encode_decimal_single, decode_decimal_single,
1613 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1614 decode_decimal_quad): New functions.
1615 (decimal_single_format): New.
1616 (decimal_double_format): New.
1617 (decimal_quad_format): New.
1618 * machmode.def: Add SD, DD and TD decimal floating point modes.
1619 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1620 Include MODE_DECIMAL_FLOAT.
1621 (DECIMAL_FLOAT_MODE_P): New.
1622 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1623 * genmodes.c (struct mode_data): Add counter field.
1624 (struct mode_data): Update comment for format.
1625 (blank_mode): Initialise counter field.
1626 (new_mode): Increment counter field for each mode defined.
1627 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1629 (make_complex_modes): Handle modes containing `D'.
1630 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1631 (make_decimal_float_mode): New.
1632 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1633 (cmp_modes): Compare counter field if other characteristics
1635 (emit_real_format_for_mode): Support formats for decimal floats.
1636 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1637 Document MODE_DECIMAL_FLOAT.
1639 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1641 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1644 2005-12-01 Richard Henderson <rth@redhat.com>
1646 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1648 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1650 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1652 * config/pa/pa.c (pa_init_builtins): If we detect
1653 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1656 2005-12-01 Richard Guenther <rguenther@suse.de>
1658 * fold-const.c (fold_binary): Use fold_build2, not
1661 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1663 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1665 * vec.h (VEC_block_remove): New.
1667 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1670 * c-common.c (lvalue_error): Fix wording.
1672 2005-12-01 Richard Guenther <rguenther@suse.de>
1674 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1675 thinko in last patch.
1677 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1679 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1680 than -flat_namespace.
1682 2005-12-01 Ben Elliston <bje@au.ibm.com>
1684 * mklibgcc.in: Parameterise the script to build soft float
1685 functions by iterating over each type, rather than cloning the
1688 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1691 * builtins.c (fold_builtin_fputs): Defer check for missing
1692 replacement functions.
1694 2005-11-30 Kean Johnston <jkj@sco.com>
1696 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1697 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1699 2005-11-30 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/22501
1702 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1703 function split out from ...
1704 (forward_propagate_addr_expr): ... here. Use it to propagate
1705 ADDR_EXPRs to all uses.
1707 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1709 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1710 * builtins.c (expand_builtin_mathfn): Use them.
1711 (expand_builtin_mathfn_2): Likewise.
1712 (expand_builtin_mathfn_3): Likewise.
1713 (expand_builtin_int_roundingfn): Likewise.
1714 (expand_builtin): Likewise.
1715 (integer_valued_real_p): Likewise.
1716 (fold_builtin_int_roundingfn): Likewise.
1717 (fold_builtin_bitop): Likewise.
1718 (fold_builtin_logarithm): Likewise.
1719 (fold_builtin_1): Likewise.
1720 * convert.c (convert_to_integer): Likewise.
1721 * fold-const.c (negate_mathfn_p): Likewise.
1722 (tree_expr_nonnegative_p): Likewise.
1724 2005-11-30 Dale Johannesen <dalej@apple.com>
1725 Andrew Pinski <pinskia@physics.uc.edu>
1727 * combine.c (find_split_point): Sign extend bitmask
1728 when changing bitfield assignment to IOR of AND.
1730 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1732 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1733 clobber to scratch reg.
1734 (*decrement_and_branch_until_zero_no_clobber): Remove.
1735 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1736 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1737 * config/ms1/ms1.opt (mmul): Remove.
1738 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1739 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1741 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1742 Bernd Schmidt <bernd.schmidt@analog.com>
1744 * pa/predicates.md (symbolic_operand): Add comment.
1745 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1746 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1747 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1748 (pa_secondary_reload_class): Delete.
1749 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1750 and pa_secondary_reload_class. Reorder some checks. Update inline
1751 copy of symbolic operand.
1752 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1754 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1756 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1759 2005-11-30 Jeff Law <law@redhat.com>
1761 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1762 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1764 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1766 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1767 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1768 (ia64_expand_move): Adjust caller.
1770 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1771 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1774 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1776 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1777 Always produce an output if we can remove NEGs or canonicalize
1778 (minus (minus ...)) expressions. Provide a fast path for the
1780 (simplify_gen_binary): Do not call simplify_plus_minus.
1781 (simplify_binary_operation_1): Reassociate at the end of the
1784 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1786 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1787 moves and unpack to speed up.
1789 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1791 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1792 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1793 (gen_v9_scc): Update callers.
1794 * config/sparc/sparc.md: Likewise.
1795 * config/sparc/sparc-protos.h: Update extern declaration.
1797 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1799 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1801 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1804 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1806 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1807 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1808 (negate_expr): Here.
1810 2005-11-29 Ben Elliston <bje@au.ibm.com>
1812 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1813 Fix typo in comment.
1815 2005-11-29 Ben Elliston <bje@au.ibm.com>
1817 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1818 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1820 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1824 * builtins.c (init_target_chars): New.
1825 (expand_builtin_printf, expand_builtin_fprintf,
1826 expand_builtin_sprintf, fold_builtin_sprintf,
1827 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1828 fold_builtin_snprintf_chk, fold_builtin_printf,
1829 fold_builtin_fprintf): Check for matching format strings using
1832 2005-11-29 Paul Brook <paul@codesourcery.com>
1834 * config.gcc: Do not use fixproto on m68k-elf.
1836 2005-11-28 Roger Sayle <roger@eyesopen.com>
1838 * expmed.c (div_cost): Replace with...
1839 (sdiv_cost, udiv_cost): New.
1840 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1841 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1842 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1843 (expand_divmod): Replace use of div_cost with either sdiv_cost
1844 or udiv_cost depending upon the signedness of the operation.
1846 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1849 * config/darwin.c (machopic_indirection_name,
1850 machopic_output_indirection): Follow transparent alias chain.
1852 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1854 * varasm.c (ultimate_transparent_alias_target): Add comment.
1856 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1858 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1859 SET_SRC instead of XEXP where appropriate.
1861 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1863 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1866 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1868 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1869 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1872 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1874 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1875 secondary_input_reload_class, made static. Adapt to new
1877 (secondary_output_reload_class): Delete.
1878 (TARGET_SECONDARY_RELOAD): New macro.
1879 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1880 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1882 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1885 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1886 when its natural alignment is > BITS_PER_UNIT.
1887 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1888 * c-common.c (handle_packed_attribute): Ignore packing on a field
1889 whose type is naturally char aligned.
1891 2005-11-28 Richard Guenther <rguenther@suse.de>
1893 * c-common.c (strict_aliasing_warning): Handle all
1894 component-ref like accesses.
1896 2005-11-28 Roger Sayle <roger@eyesopen.com>
1897 Uros Bizjak <uros@kss-loka.si>
1900 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1901 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1902 when flag_unsafe_math_optimizations is set and
1903 we don't care about NaNs or Infinities.
1905 Move x/expN(y) and x/pow(y,z) transformation into common
1906 flag_unsafe_math_optimizations section.
1908 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1910 * gcc.c (main): Change type of argv to "char **".
1912 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1914 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1915 small data sections.
1916 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1917 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1918 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1919 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1920 output locals to sbss if !rs6000_elf_in_small_data_p.
1921 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1923 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1926 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1927 generated by reload.
1928 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1929 indexed_or_indirect_address.
1930 (indexed_or_indirect_address): Don't test for base reg. Call
1931 address_operand last. Make it a special predicate.
1933 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1935 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1937 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1940 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1942 (negate_expr): Likewise.
1944 2005-11-27 Andreas Schwab <schwab@suse.de>
1946 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1949 2005-11-27 Steven Bosscher <stevenb@suse.de>
1951 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1952 has EH predecessor edges.
1954 2005-11-26 Eric Christopher <echristo@apple.com>
1956 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1957 register stalls by zero extending to the full register.
1959 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1961 * config/floatunsisf.c, config/floatunsidf.c,
1962 config/floatunsixf.c, config/floatunsitf.c: New files.
1963 * config/ia64/t-hpux: Add floatunsitf.c.
1964 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1965 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1967 2005-11-26 Richard Henderson <rth@redhat.com>
1969 * c-lex.c (pragma_lex): Rename from c_lex.
1970 * c-pch.c: Update for pragma_lex rename.
1971 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1972 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1973 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1974 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1975 * doc/tm.texi: Likewise.
1977 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1980 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1981 when overflow is undefined.
1983 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1985 * doc/md.texi (Insn Canonicalizations): Refer to the
1986 function commutative_operand_precedence for further rules.
1988 2005-11-25 Roger Sayle <roger@eyesopen.com>
1991 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1992 is less than zero. Limit mult_cost to a reasonable upper bound for
1993 the synthetic multiplication sequence.
1995 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1999 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2000 Lookup the explicit replacement functions for any unlocked
2001 stdio builtin transformations.
2003 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2005 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2007 * targhooks.c (default_secondary_reload): Don't require operand 2
2008 for an input reload to be earlyclobber.
2010 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2012 * fold-const.c (negate_mathfn_p): Fix comment and add support
2013 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2016 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2019 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2020 _Q_ulltoq for unsigned conversions from SImode and DImode to
2023 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2025 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2026 (__floatundidf, __floatundisf): Likewise.
2028 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2030 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2031 (rs6000_override_options): Remove initialization of
2032 rs6000_sr_alias_set.
2033 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2034 (rs6000_emit_stack_tie): Same.
2035 (emit_frame_save): Same.
2036 (gen_frame_mem_offset): Same.
2037 (rs6000_emit_prologue): Same.
2038 (rs6000_emit_epilogue): Same.
2040 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2043 * fold-const.c (fold_build): Convert bool_var != 1 and
2044 bool_var == 0 to !bool_var.
2046 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2049 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2050 for C being INTEGER_CST. Likewise for !=.
2052 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2055 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2056 unsigned conversions from SImode to TFmode.
2058 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2060 * expr.c (expand_expr_real_1): Fix error in last change.
2062 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2064 * caller-save.c: (this_insn_sets): Move into:
2065 (save_call_clobbered_regs).
2066 (mark_set_regs): Get this_insn_sets from data.
2068 (save_call_clobbered_regs): Take sets of the return value by
2069 sibcalls into account.
2071 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2074 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2075 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2076 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2077 (memory_move_secondary_cost, init_reg_autoinc): Remove
2078 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2079 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2080 secondary_reload_class call.
2081 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2083 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2084 (push_secondary_reload): Use secondary_reload target hook.
2085 (secondary_reload_class, scratch_reload_class): New functions.
2086 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2087 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2088 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2089 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2090 (secondary_reload_class, scratch_reload_class): Declare.
2091 * reload1.c: Include target.h.
2092 (reload_adjust_reg_for_temp): New function.
2093 (reload_adjust_reg_for_icode): Likewise.
2094 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2095 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2097 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2098 for inheritance. Support case when both secondary & tertiary reloads
2099 are for intermediate registers.
2100 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2101 with secondary_reload_class call. Support case when both secondary
2102 & tertiary reloads are for intermediate registers.
2103 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2104 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2105 * target.h (secondary_reload_info): New struct / typedef.
2106 (struct gcc_target): New member secondary_reload.
2107 * targhooks.c Include reload.h, optabs.h and recog.h.
2108 (default_secondary_reload): New function.
2109 * targhooks.h (default_secondary_reload): Declare.
2110 * doc/tm.texi: Document secondary_reload target hook. Update
2111 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2112 * doc/md.texi: Likewise.
2114 * sh-protos.h (sh_secondary_reload): Declare.
2115 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2116 (sh_secondary_reload): New function.
2117 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2118 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2119 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2120 (HAVE_SECONDARY_RELOADS): Define.
2121 * sh.md (reload_indf): Rename to:
2123 (reload_outdf): Rename to:
2124 (reload_outdf__RnFRm).
2125 (reload_insf): Rename to:
2127 (reload_insi): Rename to:
2128 (reload_insi__i_fpul).
2130 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2132 * configure.ac: Require at least texinfo 4.4.
2133 * configure: Regenerate.
2135 * doc/install.texi (Tools/packages necessary for building GCC):
2136 Update required version of texinfo to at least 4.4.
2137 (Installing GCC: Building): Update required version of texinfo
2139 (Installing GCC: Final installation): Update required version
2140 of texi2dvi to at least 4.4.
2141 (Host/target specific installation notes for GCC): Update required
2142 version of texinfo to at least 4.4.
2144 2005-11-24 Richard Guenther <rguenther@suse.de>
2145 Dirk Mueller <dmueller@suse.de>
2148 * c-common.h (strict_aliasing_warning): Declare.
2149 * c-common.c (strict_aliasing_warning): New function,
2151 * c-typeck.c (build_c_cast): ... here.
2153 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2155 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2157 (swap_commutative_operands_with_target): New.
2159 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2161 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2162 also when doing PRE, rather than only for global CPROP.
2164 2005-11-24 Ben Elliston <bje@au.ibm.com>
2166 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2167 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2169 (expand_twoval_unop): Likewise.
2170 (widen_clz): Likewise.
2171 (expand_parity): Likewise.
2172 (expand_unop): Likewise.
2173 (emit_cmp_and_jmp_insn_1): Likewise.
2174 (prepare_float_lib_cmp): Likewise.
2176 2005-11-24 Ben Elliston <bje@au.ibm.com>
2178 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2179 Remove unused `class' variable.
2181 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2184 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2185 C/C++ diagnostic function warn_array_subscript_with_type_char.
2186 * c-common.h (warn_array_subscript_with_type_char): Declare.
2187 * c-common.c (warn_array_subscript_with_type_char): Define.
2189 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2192 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2193 compiling at the intersection of C and C++.
2195 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2197 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2198 List @file in the option summary. Include the libiberty
2199 documentation for @file.
2200 * gcc.c (main): Call expandargv.
2201 * Makefile.in (gcc-vers.texi): Define srcdir.
2203 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2205 * passes.c (init_optimization_passes): Document
2206 sequencing of passes.
2208 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2210 * config/m68k/predicates.md (pcrel_address, extend_operator,
2211 post_inc_operand, pre_dec_operand): Remove redundant
2213 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2215 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2217 2005-11-23 Ben Elliston <bje@au.ibm.com>
2219 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2221 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2223 Preparatory work for PR target/21623:
2224 * alpha.c (secondary_reload_class): Rename to:
2225 (alpha_secondary_reload_class).
2226 * alpha.h, alpha-protos.h: Likewise.
2227 * mn10300.c (secondary_reload_class): Rename to:
2228 (mn10300_secondary_reload_class).
2229 * mn10300.h, mn10300-protos.h: Likewise.
2230 * pa.c (secondary_reload_class): Rename to:
2231 (pa_secondary_reload_class).
2232 * pa.h, pa-protos.h: Likewise.
2233 * rs6000.c (secondary_reload_class): Rename to:
2234 rs6000_secondary_reload_class.
2235 * rs6000.h, rs6000-protos.h: Likewise.
2237 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2240 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2242 2005-11-22 Ian Lance Taylor <ian@airs.com>
2244 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2246 (prepare_cmp_insn): Likewise.
2248 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2251 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2252 if both operands[0] and operands[1] are memory.
2254 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2257 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2258 COMPARISON_CLASS_P and an integral types create create a new
2259 expression with the new type and fold that.
2261 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2264 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2265 to SUBTARGET_OS_CPP_BUILTINS.
2267 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2269 * arm.c (emit_set_insn): New function.
2270 (arm_split_constant): Call it.
2271 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2272 (arm_legitimize_address): Likewise. Use plus_constant.
2273 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2274 (thumb_expand_prologue): Likewise.
2275 (arm_gen_load_multiple): Use VOIDmode in SET.
2276 (arm_gen_store_multiple): Likewise.
2277 (vfp_emit_fstmx): Likewise. Use plus_constant.
2278 (emit_multi_reg_push): Likewise.
2279 (emit_sfm): Use plus_constant.
2281 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2284 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2287 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2290 * expmed.c (store_bit_field): Don't attempt to insv a field
2291 larger than the reg.
2293 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2296 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2297 explicit sign extension, not a (char) cast.
2299 2005-11-22 Ben Elliston <bje@au.ibm.com>
2301 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2302 GET_MODE_CLASS (x) == MODE_FLOAT.
2303 * config/i386/i386.c: Likewise.
2304 * config/rs6000/xcoff.h: Likewise.
2305 * config/rs6000/linux64.h: Likewise.
2306 * config/rs6000/rs6000.c: Likewise.
2307 * config/rs6000/rs6000.h: Likewise.
2308 * config/rs6000/predicates.md: Likewise.
2309 * config/rs6000/sysv4.h: Likewise.
2311 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2313 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2316 * config/alpha/freebsd.h, config/alpha/linux.h,
2317 config/arm/linux-elf.h, config/bfin/bfin.h,
2318 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2319 config/i386/beos-elf.h, config/i386/gnu.h,
2320 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2321 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2322 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2323 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2324 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2325 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2326 config/sparc/linux.h, config/sparc/linux64.h,
2327 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2329 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2330 are both defined when either flag -fpic or -fPIC are used.
2332 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2334 * config/fp-bit.c (clzusi): New function.
2335 (si_to_float, usi_to_float): Use it to compute proper shift.
2336 (usi_to_float): Preserve guard bits when shifting right.
2337 * libgcc-std.ver (GCC_4.2.0): New version.
2338 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2339 __floatundisf): New functions.
2340 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2341 __floatundisf): Declare.
2342 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2343 _floatundixf, and _floatunditf.
2344 * optabs.c (expand_float): If target does not define a pattern for
2345 signed or unsigned conversion, use an unsigned libcall instead of
2347 (init_optabs): Initialize ufloat_optab.
2349 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2351 * config/rs6000/rs6000.opt (mmulhw): New option.
2352 * doc/invoke.texi (-mmulhw): Document.
2353 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2355 * config/rs6000/rs6000.md: Add half-word multiply and
2356 multiply-accumulate instructions for 405 and 440.
2358 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2360 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2361 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2362 default now includes a linker group which makes the RTEMS one nest.
2364 2005-11-22 Ben Elliston <bje@au.ibm.com>
2366 * cse.c (fold_rtx): Typo fix.
2367 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2369 2005-11-21 Richard Henderson <rth@redhat.com>
2371 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2372 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2374 * c-tree.h (lookup_name): Move declaration ...
2375 * c-common.h (lookup_name): ... here.
2376 * config/darwin-c.c: Include c-common.h.
2377 * config/t-darwin: Update dependencies.
2379 2005-11-22 Ben Elliston <bje@au.ibm.com>
2381 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2382 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2383 * genopinit.c (gen_insn): Likewise.
2384 * reload.c (find_equiv_reg): Likewise.
2385 * loop.c (load_mems): Likewise.
2386 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2387 * cse.c (find_comparison_args, fold_rtx): Likewise.
2388 * dwarf2out.c (add_const_value_attribute): Likewise.
2389 * expr.c (convert_move): Likewise.
2390 * recog.c (general_operand, register_operand): Likewise.
2391 * reg-stack.c (replace_reg): Likewise.
2392 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2393 * c-common.c (handle_vector_size_attribute): Likewise.
2394 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2395 (simplify_binary_operation_1): Likewise.
2396 (simplify_const_binary_operation): Likewise.
2397 (simplify_relational_operation): Likewise.
2398 (simplify_const_relational_operation): Likewise.
2399 (simplify_immed_subreg): Likewise.
2400 * emit-rtl.c (gen_lowpart_common): Likewise.
2401 * expmed.c (expand_mult): Likewise.
2402 * stor-layout.c (layout_type): Likewise.
2404 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2407 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2408 cst2 only for SPE vectors.
2410 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2413 * config/rs6000/predicates.md (vrsave_operation): Check
2414 UNSPEC_VOLATILE value.
2416 2005-11-21 Jan Hubicka <jh@suse.cz>
2418 PR tree-optimization/24653
2419 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2421 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2423 * config/i386/predicates.md (ax_reg_operand): New predicate.
2424 (memory_displacement_only_operand): New predicate.
2425 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2426 operand is AX register and the other operand is memory operand
2427 with displacement only.
2429 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2431 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2432 if we don't care about NaNs or Infinities.
2434 2005-11-20 Ian Lance Taylor <ian@airs.com>
2436 PR rtl-optimization/24883
2437 * combine.c (combinable_i3pat): When checking whether the
2438 destination of i3 is used in i3, consider paradoxical subregs.
2440 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2443 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2445 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2447 * combine.c (try_combine): Do not run subst on i1src and i2src in
2448 the case of generating a PARALLEL for a comparison.
2450 2005-11-20 Richard Henderson <rth@redhat.com>
2453 * tree-sra.c (struct sra_elt): Add all_no_warning.
2454 (struct sra_walk_fns) <use>: Add use_all argument.
2455 (sra_walk_expr): Pass it.
2456 (sra_walk_modify_expr): Likewise.
2457 (scalarize_ldst): Likewise.
2458 (scan_use): Update for new argument.
2459 (mark_no_warning): New.
2460 (scalarize_use): Use it.
2462 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2464 * expr.c (expand_expr_real): Use usmul_optab for widening
2465 signed * unsigned multiplies.
2466 * genopinit.c (optabs): Add usmul_widen_optab.
2467 * optabs.c (init_optabs): Likewise.
2468 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2469 (usmul_widen_optab): Define.
2470 * config/bfin/bfin.md (usmulhisi3): New pattern.
2472 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2474 2005-11-20 Graham Stott <btinternet.com>
2476 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2478 2005-11-20 Andreas Schwab <schwab@suse.de>
2481 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2484 2005-11-19 Richard Henderson <rth@redhat.com>
2487 * tree-gimple.c (is_gimple_id): Export.
2488 * tree-gimple.h (is_gimple_id): Declare.
2489 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2490 (get_default_value): Use it.
2491 (maybe_fold_stmt_indirect): Likewise.
2493 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2495 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2496 than VR1 or vice-versa.
2498 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2502 * reload.c (find_reloads_address_1): Mention dependency on
2504 * reload1.c (gen_reload): For IN with an unary operation, try
2505 moving inner expression to OUT if trivial SET is not valid.
2506 Confirm that the result is valid. Move common code block into...
2507 (emit_insn_if_valid_for_reload): New function.
2509 2005-11-19 Richard Guenther <rguenther@suse.de>
2511 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2512 ARRAY_REFs of constant strings.
2514 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2516 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2517 fatal format string.
2519 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2521 * combine.c (make_compound_operation): Swap operands of
2522 commutative operation if necessary before returning.
2524 2005-11-19 Richard Guenther <rguenther@suse.de>
2527 * fold-const.c (fold_plusminus_mult_expr): New function.
2528 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2529 cases, remove now unnecessary code.
2531 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2533 * gensupport.c (old_preds): Rename to std_preds, add special field.
2534 (struct old_pred_table): Rename to struct std_pred_table, add special
2536 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2537 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2538 (init_predicate_table): Adjust, and set along the way whether a
2539 predicate is special.
2541 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2543 * BASE-VER: Change to 4.2.0.
2545 2005-11-18 James E Wilson <wilson@specifix.com>
2547 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2550 2005-11-18 Mike Stump <mrs@apple.com>
2552 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2553 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2554 * c-decl.c (lookup_name_two) Remove.
2555 * c-tree.h (lookup_name_two): Remove.
2556 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2557 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2558 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2559 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2561 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2564 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2565 when not generating code to use that co-processor.
2567 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2569 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2570 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2571 these functions are now in tree-phinodes.c.
2573 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2575 * config/bfin/bfin.md (trap): New pattern.
2577 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2579 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2582 * expr.c (expand_expr_real): Don't call record_block_change unless
2583 ib_boundaries_block is non-null
2585 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2587 * fold-const.c (build_range_check): Use proper type for subtraction
2588 when merging lower bound.
2590 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2592 PR rtl-optimization/24497
2593 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2596 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2598 * tree-scalar-evolution.c (expression_expensive_p): New function.
2599 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2601 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2603 * config/bfin/crtlibid.s: New file.
2605 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2608 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2609 when not using sjlj exceptions.
2610 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2611 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2612 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2613 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2614 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2615 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2616 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2617 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2618 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2619 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2620 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2621 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2622 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2624 * config/pa/hpux-unwind.h: New file.
2626 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2628 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2629 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2630 * varasm.c (do_assemble_alias): Adjust call.
2631 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2633 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2635 2005-11-17 James E Wilson <wilson@specifix.com>
2637 * tree.def (FUNCTION_DECL): Correct typo in comment.
2639 2005-11-17 Richard Henderson <rth@redhat.com>
2641 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2642 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2643 and DW_CFA_def_cfa_sf.
2644 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2645 (dbx_reg_number): Don't assert particular registers here.
2646 (based_loc_descr): ... do it here instead. Fold in ...
2647 (eliminate_reg_to_offset): ... this function.
2648 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2649 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2650 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2651 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2652 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2653 (instantiate_virtual_regs): Likewise.
2654 * var-tracking.c (adjust_stack_reference): Likewise.
2655 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2657 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2659 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2660 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2661 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2663 ($(T)crtlibid.o): New rule.
2665 2005-11-16 Richard Guenther <rguenther@suse.de>
2668 * fold-const.c (extract_array_ref): Return byte offset
2670 (fold_binary): Fold &x[a] CMP &x[b] to
2671 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2674 2005-11-16 Richard Henderson <rth@redhat.com>
2677 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2678 parts of an SSA_NAME.
2680 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2683 * arm.md (split for movsf with immediate): Restrict split to insns
2684 that set a general register.
2686 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2688 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2690 * unwind-dw2.c (uw_advance_context): Likewise.
2691 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2692 _Unwind_SjLj_Unregister.
2693 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2695 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2697 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2699 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2701 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2702 langhook to get a DImode integer type.
2704 2005-11-16 Richard Henderson <rth@redhat.com>
2705 J"orn Rennecke <joern.rennecke@st.com>
2706 Ulrich Weigand <uweigand@de.ibm.com>
2710 * reload1.c (reg_equiv_invariant): New.
2711 (reload): Allocate, initialize, and free it.
2712 (calculate_needs_all_insns): Check it when skipping equivalence
2714 (alter_reg): Likewise.
2715 (eliminate_regs_1): Rename from eliminate_regs. Add new
2716 may_use_invariant argument; only use reg_equiv_invariant when true.
2717 (eliminate_regs): New.
2718 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2719 a context for which may_use_invariant may be true.
2721 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2723 * fold-const.c (const_binop): Don't constant fold the operation
2724 if the result has overflowed and flag_trapping_math.
2725 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2727 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2729 * config/arm/unwind-arm.c (abort): Add prototype here.
2730 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2731 (struct phase1_vrs): Add prev_sp.
2732 (unwind_phase2_forced): Save the original core registers instead of
2733 modifying entry_vrs. Take a new flag argument for resuming unwinding
2734 and set action flags accordingly. Always set _US_END_OF_STACK when
2735 get_eit_entry fails. Unwind before calling the stop function.
2736 (_Unwind_GetCFA): New function.
2737 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2738 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2739 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2740 just call unwind_phase2_forced.
2741 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2742 * config/arm/unwind-arm.h (abort): Remove prototype.
2743 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2745 (_Unwind_GetCFA): New prototype.
2746 * config/arm/pr-support.c (abort): Add prototype here.
2747 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2749 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2750 not schedule the prologue with non-call exceptions and EABI.
2752 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2754 * config/arm/unwind-arm.h: Reorder interface function declarations.
2755 (_URC_END_OF_STACK): New enumeration value.
2756 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2757 (struct _Unwind_Control_Block): Document reserved field use.
2758 (_Unwind_Stop_Fn): New typedef.
2759 (_Unwind_ForcedUnwind): Declare.
2760 (_Unwind_Resume_or_Rethrow): Declare.
2761 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2763 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2764 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2765 (UCB_FORCED_STOP_ARG): New.
2766 (search_EIT_table): Update boundary condition checks.
2767 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2768 (unwind_phase2): Replace for with do..while.
2769 (unwind_phase2_forced): New.
2770 (__gnu_Unwind_RaiseException): Replace for with do..while.
2771 (__gnu_Unwind_ForcedUnwind): New.
2772 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2773 Use appropriate phase2 unwinder.
2774 (__gnu_Unwind_Resume_or_Rethrow): New.
2775 (__gnu_unwind_pr_common): Cope with forced unwinding.
2777 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2780 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2782 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2783 roundsf2): Remove "s" from mnemonic.
2785 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2787 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2789 * config/bfin/crtn.s: Change epilogues to match.
2790 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2791 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2792 __PIC__ and __pic__.
2794 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2797 * doc/invoke.texi: Distinguish between free and fixed form instead of
2798 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2800 * gcc.c (default_compilers): Remove double entries, add entries for
2801 suffixes '.F90' and '.F95'.
2803 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2805 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2806 in the stack probing loop.
2808 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2810 * configure.ac: Use .machine power5 not power5x.
2811 * configure: Regenerate.
2813 2005-11-15 Mike Stump <mrs@apple.com>
2815 * c-decl.c (lookup_name_two): Add.
2816 * c-tree.h (lookup_name_two): Likewise.
2817 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2818 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2820 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2822 PR rtl-optimization/23392
2823 * regrename.c (enum scan_actions) Add mark_access.
2824 (scan_actions_name): Ditto.
2825 (scan_rtx_reg): Handle mark_access.
2826 (scan_rtx_address): Do nothing for mark_access.
2827 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2828 and regs in REG_INC notes before closing chains for dead regs.
2829 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2830 opening chains for new writes.
2832 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2834 * c.opt (ffixed-line-length-none): New.
2836 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2838 * mklibgcc.in: Change contents of eh_dummy.c.
2840 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2842 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2844 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2846 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2848 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2850 2005-11-15 Jan Hubicka <jh@suse.cz>
2852 * invoke.texi (large-unit-insns): Document.
2853 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2854 * params.def (large-unit-insns): New param.
2856 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2859 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2860 special register for operand 3. Reindent constraints to align
2863 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2865 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2866 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2867 * configure.ac: Add test for FP rounding instructions.
2868 * configure: Regenerate.
2869 * config.in: Regenerate.
2870 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2871 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2873 * config/rs6000/rs6000.opt (mfprnd): New.
2874 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2875 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2876 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2877 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2878 (TARGET_FPRND): New.
2879 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2881 (btrunc<mode>2): New.
2883 (floor<mode>2): New.
2884 (round<mode>2): New.
2886 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2888 * gcc.c (version_compare_spec_function): Use fatal() rather than
2891 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2892 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2893 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2895 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2898 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2899 on -mmacosx-version-min setting.
2901 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2904 * tree-vrp.c (infer_value_range): Return false if STMT is a
2905 block terminator and its basic block has no successors.
2907 2005-11-14 Mike Stump <mrs@apple.com>
2909 * config/i386/i386.c (override_options): -masm=intel isn't
2910 supported on darwin.
2911 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2913 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2915 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2916 vfork after including auto-host.h.
2918 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2920 PR rtl-optimization/22002
2921 * combine.c (distribute_notes): Detect cases where a reg dies
2922 two or more times in a bb, including on the insn we are combining,
2923 and place the death note on the correct range.
2925 2005-11-14 Dale Johannesen <dalej@apple.com>
2927 * expmed.c (store_bit_field): Add offset unconditionally for
2929 (extract_bit_field): Don't force extzv or extv operand into
2930 a register if field is too big.
2932 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2934 * config/arm/arm.c (pic_labelno): New.
2935 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2936 LABEL_REF. Pass only the labelno to PIC insns.
2937 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2938 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2939 * arm.md (UNSPEC_PIC_LABEL): New constant.
2940 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2941 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2942 Use the correct label prefix.
2944 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2946 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2949 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2951 * loop-invariant.c: Include tm_p.h.
2952 * Makefile.in: Updated.
2954 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2956 * pa.c (store_reg): Revise generation of frame notes in large frames.
2957 (set_reg_plus_d): Likewise.
2959 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2961 PR tree-optimization/24709
2962 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2965 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2967 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2968 and duplicate declaration of pthread_self.
2970 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2971 Ian Lance Taylor <ian@airs.com>
2974 * calls.c (expand_call): If TARGET is a MEM and some part of the
2975 argument area has been saved, force TARGET to a register.
2977 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2979 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2982 2005-11-13 Jason Merrill <jason@redhat.com>
2985 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2986 lazily declared methods.
2987 (force_decl_die): Stop if forcing out the context already make a
2989 (force_type_die): Likewise.
2991 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2994 * builtins.c (integer_valued_real_p): Add break in
2995 REAL_CST having TREE_OVERFLOW set.
2997 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2999 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3000 addressing modes during calculation of costs.
3002 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3004 * function.c (assign_stack_local_1): Restrict sanity check
3005 on frame size overflow to 32-bit and above platforms.
3007 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3009 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3010 * config/cris/cris.c: Include reload.h.
3011 (cris_initial_elimination_offset): New function.
3012 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3015 2005-11-12 Richard Guenther <rguenther@suse.de>
3017 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3019 2005-11-12 Jan Hubicka <jh@suse.cz>
3021 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3022 to compare against 0 when possible.
3024 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3026 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3027 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3028 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3029 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3032 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3034 * recog.c (constrain_operands) <case 'g'>: For a match, require
3035 that a non-register matches general_operand when strict >= 0.
3037 2005-11-11 Steven Bosscher <stevenb@suse.de>
3039 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3042 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3044 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3045 (memory_address_same): New.
3046 (dse_optimize_stmt): Call memory_address_same.
3048 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3051 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3052 ZERO_EXTEND>: New cases.
3054 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3056 * longlong.h (__clz_tab): Always provide.
3058 2005-11-11 Steven Bosscher <stevenb@suse.de>
3061 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3063 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3064 before check_maybe_invariant.
3065 (move_invariant_reg): Use gen_move_insn instead of replacing
3066 SET_DEST with the temporary for the invariant.
3067 (move_loop_invariants): If checking is enabled, do internal
3068 consistency checks after completing the pass.
3070 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3073 * common.opt (Wvolatile-register-var): New.
3074 * varasm.c (make_decl_rtl): Only emit warning when option
3075 specified. Clarify warning message.
3076 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3078 * doc/md.texi (copysign): Document standard named pattern.
3080 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3082 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3083 bytes when align is 2.
3084 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3085 by the first instruction of the loop.
3087 2005-11-11 Jason Merrill <jason@redhat.com>
3090 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3093 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3095 PR rtl-optimization/22509
3096 * local-alloc.c (memref_used_between_p): Check whether a function call
3097 could not reference the memref.
3099 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3101 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3102 algorithm so as to choose the best, not the worst, alternative.
3103 Reset accumulated register class before processing next alternative.
3105 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3108 * calls.c (expand_call): Copy a return value to a plain register
3111 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3114 * varasm.c (assemble_name): Recompute name only for transparent
3117 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3119 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3121 2005-11-04 Jeff Law <law@redhat.com>
3124 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3125 perform reassociation if the parent statement will not die as
3126 a result of the optimization.
3128 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3130 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3131 delete_old_heap_vars.
3132 * tree-dfa.c (referenced_var_remove): Remove function.
3133 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3134 (delete_tree_ssa): Remove call to delete_old_heapvars.
3135 Add call to delete_alias_heapvars.
3136 * tree-flow.h (referenced_var_remove): Remove prototype
3137 (init_alias_heapvars): New prototype.
3138 (delete_alias_heapvars): Ditto.
3139 * Makefile.in (tree-ssa-structalias.o): Add
3140 gt-tree-ssa-structalias.o
3141 (GTFILES): Add tree-ssa-structalias.h and
3142 tree-ssa-structalias.c.
3143 (s-gtype): Add gt-tree-ssa-structalias.h.
3144 * tree-ssa-structalias.c (heapvars): Remove.
3145 (oldheapvars): Remove.
3146 (heapvar_for_stmt): New variable.
3147 (heapvar_lookup): New function.
3148 (heapvar_insert): Ditto.
3149 (get_constraint_for): See if we have an old heapvar
3151 (init_alias_heapvars): New function.
3152 (delete_alias_heapvars): Ditto.
3153 Add include of gt-tree-ssa-structalias.h.
3155 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3158 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3160 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3162 * tree.c (int_fits_type_p): Only look at the base type
3163 if it has the same precision as the original type.
3165 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3168 * varasm.c (assemble_alias): Use %q+D in the error
3169 message instead of %J and %qD.
3171 2005-11-10 Richard Guenther <rguenther@suse.de>
3173 * gcse.c (free_ldst_entry): Only free hashtable if
3176 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3178 * function.c (assign_stack_local_1): Issue an error message if
3179 the frame size overflows in the signed target arithmetics.
3181 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3183 * tree.c (build_qualified_type): Chain the new type to the original
3184 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3185 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3186 (build_pointer_type_for_mode): Only return unqualified types.
3187 (build_reference_type_for_mode): Likewise.
3189 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3191 * Makefile.in (gnucompare): Do comparison of all files using one of
3192 the chosen methods and only afterwards decide if just warning should
3193 be issued or comparison failure raised.
3195 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3197 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3198 (noce_try_abs): Negate if the comparison is reversed.
3199 Look only one instruction backwards for a REG_EQUAL note.
3201 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3204 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3205 gthr-tpf.h: Define __gthrw. For all identifiers that might
3206 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3207 and prefix all uses with __ghtrw.
3209 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3212 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3213 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3214 * c-common.c (handle_weakref_attribute): New.
3215 (c_common_attribute_table): Add weakref.
3216 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3218 * configure, config.in: Rebuilt.
3219 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3220 * doc/extend.texi: Document weakref attribute.
3221 * varasm.c (ultimate_transparent_alias_target): New
3222 (assemble_name): Use it.
3223 (weak_finish_1): Split out of...
3224 (weak_finish): ... and deal with weakrefs in...
3225 (weakref_targets): ... new list.
3226 (globalize_decl): Clean up weakref_targets.
3227 (do_assemble_alias): Handle weakrefs.
3228 (finish_aliases_1): Do not reject weakrefs to external symbols.
3229 (assemble_alias): Handle weakrefs.
3231 2005-11-09 Richard Guenther <rguenther@suse.de>
3233 PR tree-optimization/24716
3234 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3235 t_bool to track results from follow_ssa_edge.
3237 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3239 * final.c (force_source_line): New global variable.
3240 (final_scan_insn): Set it to true instead of clearing last_filename.
3241 (notice_source_line): Return true if force_source_line is true,
3242 unless source info is absent.
3244 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3247 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3248 a linkage name for a variable if it a register variable.
3249 * c-decl.c (grokdeclarator): Global register variables
3250 should be set as PUBLIC.
3252 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3255 * config/s390/s390.c (struct s390_frame_layout): New fields
3256 first_save_gpr_slot and last_save_gpr_slot.
3257 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3258 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3259 first_save_gpr and last_save_gpr with the _slot variants.
3260 (s390_register_info): Calculate first_save_gpr_slot and
3261 last_save_gpr_slot using regs_ever_live.
3263 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3266 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3267 for a function containing a landing pad.
3269 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3272 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3275 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3277 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3278 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3280 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3283 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3285 (call,load,store): New insn types.
3286 (mem_access, branch_access): Adjust reservation conditions.
3287 (define_delay): Adjust condition.
3288 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3290 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3291 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3293 (call_internal, call_value_internal, return_internal,
3294 return_interrupt_internal, eh_return_internal, indirect_jump,
3295 tablejump): Set call insn type.
3296 (blockage, ei, di): Use appropriate unspec const.
3297 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3298 (ms1_get_attr_type): Adjust to give load & store types.
3299 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3300 backwards past a barrier.
3301 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3303 (struct branch_info, struct label_info): New.
3305 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3306 (ms1_machine_reorg): New.
3307 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3308 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3309 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3310 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3313 2005-11-09 Per Bothner <per@bothner.com>
3314 Uros Bizjak <uros@kss-loka.si>
3317 * toplev.c (process_options): Initialize debug_hooks early
3318 in case lang_hooks.post_options ends up calling a debug_hook.
3320 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3322 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3323 DBX_REGISTER_NUMBER being contiguous.
3325 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3326 Diego Novillo <dnovillo@redhat.com>
3329 * tree-vrp.c (register_edge_assert_for): Do not register
3330 always-false predicates.
3332 2005-11-08 Devang Patel <dpatel@apple.com>
3334 PR tree-optimization/23115
3335 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3338 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3340 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3343 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3345 Fix PR tree-optimization/23382
3347 * tree-ssa-alias.c (compute_may_aliases): Call
3348 delete_old_heap_vars.
3349 * tree-dfa.c (referenced_var_remove): New function.
3350 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3351 * tree-flow.h (referenced_var_remove): Add prototype.
3352 (delete_old_heap_vars): Ditto.
3353 * tree-ssa-structalias.c (heapvars): New variable.
3354 (oldheapvars): Ditto.
3355 (get_constraint_for): Put heap vars on heapvars list.
3356 (delete_old_heap_vars): New function.
3358 2005-11-08 Jason Merrill <jason@redhat.com>
3360 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3362 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3365 * reg-stack.c (reg_to_stack): Update register liveness also
3366 for flag_sched2_use_traces.
3368 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3371 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3372 override prior explicit -mno-powerpc-gfxopt.
3374 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3376 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3377 if the bitsize is zero.
3378 * doc/md.texi (Standard Pattern Names): Document it.
3380 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3381 (TARGET_PASS_BY_REFERENCE): Likewise.
3383 2005-11-07 Ian Lance Taylor <ian@airs.com>
3385 PR rtl-optimization/24683
3386 * config/i386/i386.c (legitimize_pic_address): If constant operand
3387 to PLUS is too large, put it in a register.
3389 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3391 * configure.ac: Enable checking assembler dwarf2 support for bfin
3393 * configure: Regenerate.
3395 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3399 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3400 gen_easy_vector_constant_add_self): Delete.
3401 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3403 (output_vec_const_move): Use gen_easy_altivec_constant.
3404 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3405 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3406 (easy_vector_constant_add_self): Rewritten.
3407 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3408 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3409 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3410 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3411 Macroize and adjust for the other changes.
3413 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3417 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3418 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3420 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3422 PR rtl-optimization/23567
3423 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3424 (noce_process_if_block): Don't do any optimizations except
3425 if (cond) x = x; if !set_b and write into orig_x may trap
3426 or fault. Remove the MEM_READONLY_P check.
3428 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3431 * tree-vrp.c (fix_equivalence_set): New.
3432 (extract_range_from_assert): Call it.
3434 2005-11-05 Ian Lance Taylor <ian@airs.com>
3437 * combine.c (apply_distributive_law): Don't distribute across a
3440 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3442 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3443 config/ms1/ms1.h, config/rs6000/predicates.md,
3444 config/s390/s390.c, params.def, postreload-gcse.c,
3445 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3446 tree-vrp.c, tree.c: Fix comment typos.
3447 * doc/invoke.texi: Fix typos.
3449 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3451 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3452 for testing whether the data_dependence_relation contains distance
3453 vectors. Iterate over all distance vectors of the ddr.
3454 * lambda.h: Define a vec of lambda_vector pointers.
3455 * tree-data-ref.c (dump_data_dependence_relation,
3456 dump_data_dependence_direction): Iterate over all distance and
3457 direction vectors of the ddr.
3458 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3460 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3461 of distance/direction vectors instead of a single one.
3462 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3463 lambda_vectors with a vec of lambda_vectors.
3464 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3465 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3466 DDR_NUM_DIST_VECTS): New.
3467 * tree-loop-linear.c (gather_interchange_stats): Test for the
3468 existence of distance vectors only after having checked that there
3469 is a dependence. Iterate over all distance vectors of the ddr.
3470 (linear_transform_loops): Use dump_data_dependence_relation.
3471 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3472 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3473 distance vectors of the ddr.
3475 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3477 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3478 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3479 IS_INTHANDLER; all callers changed.
3480 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3482 (do_link, do_unlink): New argument ALL; all callers changed.
3483 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3484 If function isn't leaf, save and restore all registers.
3485 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3488 2005-11-05 Jan Hubicka <jh@suse.cz>
3490 PR rtl-optimization/23490
3491 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3492 max-flow-memory-location): Document.
3493 * flow.c: Include params.h
3494 (MAX_MEM_SET_LIST_LEN): Kill.
3495 (add_to_mem_set_list): Use new param.
3496 * cse.c (cse_basic_block): Replace 1000 by new param.
3497 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3498 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3499 * predict.c (predict_loops): Use new param.
3500 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3502 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3503 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3504 Do not hold memory returned by cgraph_node_name across other call.
3506 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3509 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3512 2005-11-04 Jeff Law <law@redhat.com>
3515 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3516 * tree-ssa-dom.c: Include params.h.
3517 (thread_across_edge): If there are too many statements in the
3518 target block, then do not thread through it.
3519 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3520 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3522 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3525 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3526 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3528 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3531 * tree-scalar-evolution.c (instantiate_parameters_1,
3532 instantiate_parameters, resolve_mixers): Compute the size of an
3533 expression to be instantiated and give up the instantiation if the
3534 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3536 2005-11-04 Richard Guenther <rguenther@suse.de>
3538 * tree-flow.h (ref_contains_indirect_ref): Rename to
3539 array_ref_contains_indirect_ref.
3540 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3541 (array_ref_contains_indirect_ref): Make comment match the code
3543 (ref_contains_array_ref): Likewise.
3544 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3545 ref_contains_indirect_ref.
3546 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3547 Rename calls to ref_contains_indirect_ref.
3549 2005-11-04 Paul Brook <paul@codesourcery.com>
3551 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3552 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3553 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3554 * config/arm/arm.md: Use match_operand in peephole input templates
3555 and match_dup in peephole output templates.
3557 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3559 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3562 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3563 Daniel Jacobowitz <dan@codesourcery.com>
3565 * longlong.h (add_ssaaaa): Clobber condition code register
3567 (sub_ddmmss): Likewise.
3568 (umul_ppmm): Likewise.
3570 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3571 Paul Brook <paul@codesourcery.com>
3572 Phil Blundell <pb@reciva.com>
3574 * configure.ac: Add test for ARM TLS support.
3575 * configure: Regenerated.
3576 * config/arm/arm-protos.h (legitimize_tls_address)
3577 (arm_tls_referenced_p, tls_mentioned_p)
3578 (arm_output_addr_const_extra): New prototypes.
3579 (thumb_legitimize_pic_address): Delete.
3580 * config/arm/arm.c: Include "gt-arm.h".
3581 (enum tls_reloc): New.
3582 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3583 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3584 (arm_call_tls_get_addr, legitimize_tls_address)
3585 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3586 (arm_init_tls_builtins, arm_emit_tls_decoration)
3587 (arm_output_addr_const_extra): New functions.
3588 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3589 (TARGET_HAVE_TLS): Define.
3590 (target_thread_pointer): New.
3591 (arm_override_options): Handle -mtp=.
3592 (legitimize_pic_address): Ignore UNSPECs.
3593 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3595 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3596 (tls_get_addr_libfunc): New variable.
3597 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3598 (arm_init_builtins): Call arm_init_tls_builtins.
3599 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3600 (arm_encode_section_info): Call default_encode_section_info.
3601 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3602 (enum arm_tp_type): New.
3603 (target_thread_pointer): Add declaration.
3604 (LEGITIMATE_CONSTANT_P): Handle TLS.
3605 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3606 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3607 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3608 * config/arm/arm.md: Add UNSPEC_TLS.
3609 (movsi): Handle TLS.
3610 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3612 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3613 (load_tp_hard, load_tp_soft): New insns.
3614 * arm.opt: Add -mtp=.
3615 * doc/invoke.texi (ARM Options): Document -mtp.
3617 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3619 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3620 * config/arm/libunwind.S: Include "lib1funcs.asm".
3621 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3622 (LIB2ADDEH): Add libunwind.S.
3623 (LIB2ADDEHDEP): Add lib1funcs.asm.
3624 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3626 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3629 * gcc/c.opt: Add a -lang-fortran option.
3630 * gcc/c-opts.c: Add a lang_fortran flag.
3631 (c_common_init_options): Handling the -lang-fortran option.
3632 (c_common_handle_option): Add a case for Fortran options in
3633 preprocessing. Remove cases for -ffixed-form and
3634 -ffixed-line-length. Add a case for -lang-fortran.
3636 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3638 * config/rs6000/rs6000.c: Include params.h
3639 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3640 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3641 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3642 (UNSPEC_VPKUWSS): Delete.
3643 (altivec_vpkuhss): Delete.
3644 (altivec_vpkuwss): Delete.
3645 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3647 (neg_eq0<mode>): Remove final condition.
3648 (neg_eq<mode>): Remove condition and split-condition.
3650 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3652 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3653 Use associated print macros.
3655 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3658 * diagnostic.c (diagnostic_set_info_translated): New function.
3659 (diagnostic_set_info): Use it. Add comment.
3660 * diagnostic.h (diagnostic_set_info_translated): Declare.
3662 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3664 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3665 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3666 reference only if 'public' is true.
3667 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3668 emit the .hidden directive only if the indirect reference is public.
3669 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3670 Pass it to dw2_force_const_mem.
3671 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3672 * dwarf2out.c (output_cfi): Adjust calls to above function.
3673 (output_call_frame_info): Likewise.
3674 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3675 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3677 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3679 PR tree-optimization/24483
3680 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3681 field to elts if possible.
3683 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3686 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3689 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3691 Fix PR tree-optimization/24351
3693 * tree-ssa-structalias.c (struct variable_info): Add
3695 (get_varinfo_fc): New function to follow collapsing.
3696 (new_var_info): Set collapsed_to to NULL.
3697 (dump_constraint): Follow collapsing.
3698 (build_constraint_graph): Handle collapsing.
3699 (do_simple_structure_copy): Return false if something bad
3701 (collapse_rest_of_var): New function.
3702 (do_structure_copy): Collapse if do_simple_structure_copy returns
3705 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3708 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3709 expressions to a statement list instead of gimplifying them.
3711 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3713 PR rtl-optimization/23585
3714 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3715 that can't trap plus a constant integer, if the mode has zero size.
3717 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3720 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3722 ("*insv<mode>_reg_extimm"): Likewise.
3724 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3727 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3728 c_common_type_for_mode returns an unnamed type.
3730 2005-11-02 Richard Henderson <rth@redhat.com>
3734 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3735 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3736 * function.c (assign_parms): Use calls.internal_arg_pointer.
3737 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3739 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3740 (TARGET_CALLS): Add it.
3741 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3742 * targhooks.c (default_internal_arg_pointer): New.
3743 * targhooks.h (default_internal_arg_pointer): Declare.
3744 * tree.h (dwarf2out_reg_save_reg): Declare.
3745 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3746 * config/i386/i386.c (dbx_register_map): Add return column.
3747 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3748 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3749 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3750 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3751 (ix86_save_reg): Save force_align_arg_pointer.
3752 (ix86_emit_save_regs): Make regno unsigned.
3753 (ix86_emit_save_regs_using_mov): Likewise.
3754 (ix86_expand_prologue): Handle force_align_arg_pointer.
3755 (ix86_expand_epilogue): Likewise.
3756 * config/i386/i386.h: (dbx_register_map): Update.
3757 (dbx64_register_map, svr4_dbx_register_map): Update.
3758 (struct machine_function): Add force_align_arg_pointer.
3759 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3760 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3761 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3763 2005-11-02 Jan Hubicka <jh@suse.cz>
3766 * i386.md: Add peep2 for simplyfing array accesses.
3768 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3771 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3772 * config/s390/s390.c (s390_decompose_shift_count): New function.
3773 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3774 (print_shift_count_operand): Use s390_decompose_shift_count.
3775 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3776 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3778 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3781 * loop.c (loop_givs_rescan): Use force_operand to expand
3784 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3787 * fold-const.c (build_range_check): Use unsigned when signed
3788 overflow is undefined also. If etype is subtype, make sure that
3789 the subtraction is in the supertype.
3791 2005-11-02 Richard Henderson <rth@redhat.com>
3794 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3797 2005-11-01 Richard Henderson <rth@redhat.com>
3800 * loop.c (scan_loop): Do not propagate computations to a hard
3801 register destination with SMALL_REGISTER_CLASSES.
3803 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3805 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3806 costs for MULT inside PLUS or MINUS.
3808 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3810 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3811 (TRAMPOLINE_SIZE): Round up to 60.
3812 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3814 2005-10-31 James E. Wilson <wilson@specifix.com>
3817 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3818 ifdef. Put ifdefs around call in gen_subprogram_die.
3819 (compute_frame_pointer_to_cfa_displacement): Likewise.
3820 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3823 PR rtl-optimization/17356
3824 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3825 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3827 2005-10-31 Jan Hubicka <jh@suse.cz>
3830 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3833 * i386.c (legitimize_pic_address): Deal with large immediates.
3836 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3837 from symbol names while computing checkup.
3840 * predict.c (predict_loops): Do not estimate more than
3841 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3842 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3844 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3846 PR tree-optimization/19097
3847 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3849 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3851 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3853 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3856 * tree-inline.c (setup_one_parameter): If the init_stmt
3857 is NULL, don't insert the statement.
3859 2005-10-30 Jan Hubicka <jh@suse.cz>
3861 PR tree-optimization/24172
3862 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3864 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3866 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3867 constants for hosts with long != 32 bits.
3869 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3872 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3874 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3876 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3877 (TARGET_MS1_16_002): New.
3878 (TARGET_MS1_16_003): New.
3880 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3881 ("*decrement_and_branch_until_zero_no_clobber"): New.
3882 Add corresponding splitter for decrement_and_branch_until_zero
3884 Key all decrement_and_branch_until_zero patterns off of
3887 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3890 * tree-complex.c (extract_component): Treat RESULT_DECL
3891 like the rest of the decls.
3893 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3895 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3896 indirect call to _mcount if the function needs a static chain.
3898 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3899 Caroline Tice <ctice@apple.com>
3901 PR rtl-optimization/24460
3902 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3903 (dwarf2out_switch_text_section): Set it to true instead of
3904 incrementing separate_line_info_table_in_use.
3905 (output_loc_list): Additionally test have_switched_text_sections.
3906 (output_ranges): Likewise.
3907 (dwarf2out_finish): Likewise.
3908 * varasm.c (assemble_start_function): Do not call
3909 insert_section_boundary_note.
3910 (assemble_end_function): If flag_reorder_blocks_and_partition,
3911 switch to the function's section before emitting the .size directive.
3912 * bb-reorder.c (insert_section_boundary_note): Staticify.
3913 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3914 * output.h (insert_section_boundary_note): Delete.
3916 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3919 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3920 instead of pointer equality when comparing types.
3922 2005-10-24 James E. Wilson <wilson@specifix.com>
3924 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3925 add_dependence_list_and_free calls.
3927 2005-10-24 Steven Bosscher <stevenb@suse.de>
3929 * contrib.texi: Add the names of the LLNL folks who donated
3930 Cray pointer support for gfortran.
3932 2005-10-24 Steven Bosscher <stevenb@suse.de>
3934 PR tree-optimization/24225
3935 * profile.c (branch_prob): Look from end to start through a
3936 basic block when looking for a locus.
3938 2005-10-24 Richard Henderson <rth@redhat.com>
3940 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3942 (hppa_expand_prologue): Likewise.
3944 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3946 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3947 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3948 * pa.h (NO_PROFILE_COUNTERS): Define.
3949 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3950 (funcdef_nos): New vector to hold label numbers of deferred profile
3952 (output_deferred_profile_counters): New function.
3953 (hppa_profile_hook): Push label number onto funcdef_nos.
3954 (pa_hpux_file_end): Call output_deferred_profile_counters if
3955 NO_DEFERRED_PROFILE_COUNTERS is false.
3957 * pa-protos.h (get_deferred_plabel): New prototype.
3958 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3960 (output_call): Adjust calls.
3962 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3964 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3965 peculiarity of GOT/TOC section usage.
3967 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3970 * c-common.c (constant_string_class_name): Add documentation.
3972 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3975 * recog.c (peephole2_optimize): Increment peep2_current_count
3976 only when the slot is empty.
3978 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3981 * except.c (output_function_exception_table): Call
3982 assemble_external_libcall if we need a personality function.
3984 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3986 PR rtl-optimization/24460
3987 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3988 set the basic block for barriers.
3990 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3992 * var-tracking.c (vt_initialize): Initialize post.
3994 2005-10-21 Devang Patel <dpatel@apple.com>
3997 * c-common.c (vector_types_convertible_p): Check vector element type.
3999 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4001 * config/sh/sh.c (prepare_move_operands): Handle the address
4002 constant which is a tls symbolic address plus a constant.
4004 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4007 * gcc.c (main): Use the correct counter for erroring out
4008 about mulitple files.
4010 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4013 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4014 use r2 for 64-bit tls .got access.
4016 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4018 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4021 2005-10-20 Steven Bosscher <stevenb@suse.de>
4023 PR tree-optimization/24307
4024 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4026 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4029 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4031 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4032 is ready, stop marking functions, but still mark variables.
4034 2005-10-20 Richard Guenther <rguenther@suse.de>
4037 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4040 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4042 PR rtl-optimization/23585
4043 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4044 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4045 (may_trap_p_1): New predicate extracted from...
4046 (may_trap_p): ... here. Invoke may_trap_p_1.
4047 (may_trap_or_fault_p): New predicate.
4048 * rtl.h (may_trap_or_fault_p): Declare it.
4049 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4050 instead of may_trap_p.
4051 (steal_delay_list_from_fallthrough): Likewise.
4052 (fill_simple_delay_slots): Likewise.
4053 (fill_slots_from_thread): Likewise.
4054 * function.c (pad_to_arg_alignment): Rework comment about
4055 SPARC_STACK_BOUNDARY_HACK.
4056 * config/sparc/sparc.h: Likewise.
4058 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4060 * config/s390/s390.c (s390_expand_insv): New.
4061 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4062 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4063 ("icm_hi"): Remove mode attribute.
4064 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4066 ("*extracthi", "*extractqi"): Remove.
4067 (extv<mode>", "*extzv<mode>"): New.
4068 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4069 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4071 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4073 * cfgexpand.c (discover_nonconstant_array_refs_r,
4074 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4075 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4076 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4077 discover_nonconstant_array_refs.
4079 2005-10-19 Steven Bosscher <stevenb@suse.de>
4082 * c-decl.c (pop_scope): Don't warn about an unused variable
4083 if it is marked with TREE_NO_WARNING.
4084 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4085 somenow mismatch and olddecl is to be replaced.
4087 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4090 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4091 whether registers live on the edge can be saved/restored.
4093 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4095 * config/sh/sh.c (fixup_mova): Skip notes.
4097 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4099 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4100 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4101 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4102 (s390_initial_elimination_offset): Likewise.
4103 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4104 register on TARGET_ZARCH targets.
4105 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4106 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4107 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4108 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4110 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4112 * config/s390/s390.md: Comment describing output modifiers updated.
4113 * config/s390/s390.c (print_operand): Likewise.
4115 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4117 * config/s390/s390.c (override_options): Added check for -mstack-size
4119 * doc/invoke.texi: Mention that limit in the documenation.
4121 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4124 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4126 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4128 Fix PR tree-optimization/24231
4130 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4131 (compute_avail): Ditto.
4133 2005-10-18 Richard Henderson <rth@redhat.com>
4136 * config/i386/i386.c (legitimate_constant_p): Check
4137 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4139 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4140 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4141 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4143 (print_operand_address): Likewise.
4144 * config/i386/predicates.md (x86_64_immediate_operand): Test
4145 SYMBOL_REF_TLS_MODEL properly inside CONST.
4146 (x86_64_zext_immediate_operand): Likewise.
4147 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4148 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4149 * config/i386/i386-protos.h: Remove predicates.md entries.
4151 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4153 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4154 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4156 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4157 Ian Lance Taylor <ian@airs.com>
4160 * fold-const.c (fold_widened_comparison): Do not allow range based
4161 constant folding when right operand cannot be unwidened.
4163 2005-10-17 Richard Henderson <rth@redhat.com>
4165 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4166 with a memory clobber.
4168 2005-10-17 James E Wilson <wilson@specifix.com>
4170 PR rtl-optimization/17356
4171 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4172 checking for EDGE_EH.
4174 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4176 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4177 the slot on an even boundary for any type with 16-byte alignment.
4179 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4182 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4183 after register allocation.
4185 2005-10-17 DJ Delorie <dj@redhat.com>
4187 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4190 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4193 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4196 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4198 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4199 to 2 if it's already non-zero.
4200 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4201 is set and warn about it if flag_schedule_insns is 1.
4203 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4205 * config/crx/crx.md: Compare-and-branch instructions need to
4208 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4211 * config/i386/i386.md (*pushdi2_rex64 splitter)
4212 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4213 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4214 flow2 pass only when (optimize > 0 && flag_peephole2).
4216 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4219 * gcc.c (have_c): New static variable.
4221 (process_command): Remove declation of have_c.
4222 Set have_o to 1 when handling -o.
4223 (main): Add a fatel error if there are multiple
4224 files specified and -o and -c/-S is passed witout
4225 -combine or multiple languages.
4227 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4229 Fix PR tree-optimization/22444
4230 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4231 Assert that we don't hit something with subvars.
4232 (setup_pointers_and_addressables): Don't add things with subvars,
4233 because we'll already process the subvars for aliasing purposes.
4235 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4238 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4239 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4240 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4241 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4242 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4243 swapped, alternatives for the R constraint.
4246 * builtins.c (get_builtin_sync_mode): Make unlimited
4247 mode_for_size request.
4249 2005-10-15 Richard Henderson <rth@redhat.com>
4251 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4252 (gimplify_expr): ... here.
4253 (gimplify_compound_lval): Use it in initial scan loop. Allow
4254 fb_lvalue in base expression.
4256 2005-10-15 Richard Henderson <rth@redhat.com>
4259 * builtins.c (expand_builtin_trap): Export.
4260 * expr.h (expand_builtin_trap): Declare.
4261 * expr.c (expand_assignment): Emit a trap for integral offsets
4262 from registers that weren't reduced to bitpos.
4264 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4265 (mark_array_ref_addressable): Remove.
4266 * tree-flow.h (mark_array_ref_addressable): Remove.
4267 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4269 2005-10-15 James E Wilson <wilson@specifix.com>
4272 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4273 (add_dependence_list_and_free): Likewise.
4274 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4277 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4281 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4282 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4284 (vrp_visit_phi_node): Only prevent infinite iterations when
4285 the previous result and the new result are both VR_RANGEs.
4287 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4289 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4292 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4295 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4298 2005-10-14 Per Bothner <per@bothner.com>
4300 PR preprocessor/21250
4301 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4303 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4306 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4307 overflow flags. Refactor some conditionals.
4309 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4312 * tree-dfa.c (add_referenced_var): Only look at decls which
4313 have TREE_CONSTANT or TREE_READONLY set instead of if
4314 !TREE_PUBLIC or !TREE_CONSTANT.
4316 2005-10-13 James E Wilson <wilson@specifix.com>
4318 * doc/invoke.texi: For -x, add f95-cpp-input.
4319 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4321 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4323 PR tree-optimization/24262
4324 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4325 in loop all the time.
4327 2005-10-12 Richard Henderson <rth@redhat.com>
4330 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4331 * function.c (assign_parm_find_data_types): Don't support it.
4332 * print-tree.c (print_node): Likewise.
4333 * c-common.c (handle_transparent_union_attribute): Likewise.
4334 Use build_duplicate_type.
4335 * tree-inline.c (remap_type_1): Split out of remap_type;
4336 properly remap aggregate fields.
4337 (build_duplicate_type): New.
4338 * doc/extend.texi (Variable Attributes): Remove documentation
4339 for transparent_union.
4341 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4344 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4345 (gen_stack_pointer_dec): Likewise.
4347 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4351 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4353 (struct cxx): Add adjust_class_at_definition target hook.
4354 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4355 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4356 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4357 hook_void_tree. Add to TARGET_CXX.
4358 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4360 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4361 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4362 instead of attribute. Check for dllexport override. Warn if
4363 inconsistent dll linkage. Don't lose old dllimport if decl has
4364 had address referenced. Tweak lookup of dllimport atribute.
4365 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4366 for target specific rules. Don't add dllimport attribute if
4367 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4368 dllimport attribute.
4369 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4370 * varasm.c (initializer_constant_valid_p): Replace
4371 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4375 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4376 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4377 (i[34567]86-*-mingw32*): Likewise.
4379 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4380 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4382 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4383 C++-specific code. Change return value to bool.
4384 (i386_pe_dllimport_p): Likewise.
4385 (associated_type): Simplify and make language-independent
4386 (i386_pe_encode_section_info): Replace override of ambiguous
4387 dllimport symbol refs with a gcc_assert.
4388 (i386_pe_valid_dllimport_attribute_p): Define.
4389 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4390 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4391 i386_pe_adjust_class_at_definition.
4392 * config/i386/winnt-stubs.c: New file. Define stub versions of
4393 lang-specific functions.
4394 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4395 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4396 i386_pe_adjust_class_at_definition.
4397 (i386_pe_valid_dllimport_attribute_p): Declare.
4398 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4399 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4400 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4403 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4404 dllimport attribute with test of DECL_DLLIMPORT_P.
4406 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4408 * combine.c (make_extraction): Correct offset computation.
4410 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4412 * config/cris/t-linux (LIMITS_H_TEST): Define.
4414 2005-10-12 Richard Henderson <rth@redhat.com>
4417 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4419 2005-10-12 Richard Guenther <rguenther@suse.de>
4421 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4423 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4426 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4427 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4430 2005-10-12 Richard Guenther <rguenther@suse.de>
4433 * varasm.c (output_constant): Correct typo from previous
4436 2005-10-11 Ian Lance Taylor <ian@airs.com>
4438 PR rtl-optimization/13931
4439 * combine.c: Revert patch of 2003-05-14, and:
4440 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4441 completely killed in the appropriate insn.
4442 (distribute_notes): Don't skip multiple hard register test for
4443 elim_i1 and elim_i2.
4445 2005-10-11 Richard Henderson <rth@redhat.com>
4448 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4449 to initialize a transparent union instead of a nop_expr.
4451 2005-10-11 Richard Henderson <rth@redhat.com>
4453 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4454 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4455 (tree_ssa_dce_loop): Call scev_reset.
4458 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4459 * tree-ssa-dce.c: Include cfgloop.h.
4460 (tree_ssa_dce_loop, pass_dce_loop): New.
4461 * tree-pass.h (pass_dce_loop): Declare it.
4462 * passes.c (init_optimization_passes): Use it.
4464 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4467 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4468 Only apply the optimization for rounding builtins if the inner
4469 cast is also an extension.
4471 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4474 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4475 mark_new_vars_to_rename instead of update_stmt.
4477 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4479 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4481 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4483 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4484 for setting MMX register to 0 rather than mmx.
4486 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4489 * configure.ac: Move gas check from mips specific case to common case.
4490 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4491 * configure: Regenerate
4492 * doc/install.texi: Update.
4494 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4497 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4499 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4501 * gcc.c (do_spec_1): Accept numeric characters in file name
4504 2005-10-10 Nick Clifton <nickc@redhat.com>
4506 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4507 describing the deleted arm_gen_rotated_half_load function.
4509 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4511 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4514 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4516 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4518 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4519 (EXTRA_MULTILIB_PARTS): Define.
4520 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4521 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4522 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4523 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4524 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4525 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4527 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4529 PR tree-optimization/24226
4530 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4531 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4532 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4535 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4537 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4539 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4542 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4543 Rewrite for no need for the early clobber.
4545 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4547 Merge from csl-arm-branch:
4548 2005-09-07 Paul Brook <paul@codesourcery.com>
4549 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4552 2005-04-30 Paul Brook <paul@codesourcery.com>
4553 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4554 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4556 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4557 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4558 (arm_override_options): Use TARGET_AAPCS_BASED.
4559 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4560 (PTRDIFF_TYPE): Use int for AAPCS.
4561 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4562 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4563 (DEFAULT_SHORT_ENUMS): Delete.
4564 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4566 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4567 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4568 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4569 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4571 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4572 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4574 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4575 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4577 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4578 * config.gcc (arm*-*-linux-gnueabi): Add it.
4579 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4581 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4582 * config/arm/linux-eabi.h: New file.
4583 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4584 (LINUX_TARET_LINK_SPEC): Likewise.
4585 (LINK_SPEC): Use it.
4586 * config/arm/t-linux-eabi: New file.
4588 2005-10-08 Steven Bosscher <stevenb@suse.de>
4591 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4593 (PARAM_SMS_DFA_HISTORY): Likewise.
4595 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4598 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4599 (load_register_parameters): Call it.
4600 (check_sibcall_argument_overlap_1): Likewise.
4601 (store_one_arg): Likewise.
4603 2005-10-07 James E. Wilson <wilson@specifix.com>
4605 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4606 DImode not VECINT24 for operand 2.
4609 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4613 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4614 fr_spill): Use destination_operand for operand 0.
4616 2005-10-07 DJ Delorie <dj@redhat.com>
4618 * varasm.c (output_constant): Limit error to expanding
4621 2005-10-07 Richard Guenther <rguenther@suse.de>
4624 * fold-const.c (fold_binary): Fix operand types during folding
4625 of X op (A, Y). Evaluation order of the side-effects of
4626 X and A are frontend-defined, so ensure we honour that even for
4627 tcc_comparison class operands; eased by removing duplicate code.
4629 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4631 * stor-layout.c (layout_type): Do not allow alignment of array
4632 elements to be greater than their size.
4634 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4636 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4638 (hppa*-*-linux*): Ditto.
4639 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4640 * config/host-hpux.c: New.
4641 * config/x-hpux: New.
4642 * config/pa/x-hpux: Remove.
4643 * config/pa/x-linux: Remove.
4644 * config/pa/pa-host.c: Remove.
4646 2005-10-07 Jeff Law <law@redhat.com>
4648 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4649 determine whether or not to try and thread outgoing edges.
4651 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4653 * config/rs6000/rs6000.md (eqsi_power): New.
4654 (neg_eq0si): Add TARGET_POWER to final condition.
4657 2005-10-06 Richard Henderson <rth@redhat.com>
4659 * config/rs6000/rs6000.c: Revert last change.
4661 2005-10-06 Richard Henderson <rth@redhat.com>
4663 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4664 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4666 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4670 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4671 out return_label and naked_return_label.
4673 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4675 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4678 2005-10-06 Richard Henderson <rth@redhat.com>
4681 * tree-inline.c (declare_return_variable): Handle modify_dest not
4684 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4686 Fix PR tree-optimization/22488
4687 * tree-ssa-structalias.c (check_for_overlaps): New function.
4688 (create_variable_info_for): Use it.
4690 2005-10-06 Richard Henderson <rth@redhat.com>
4693 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4694 (dwarf2out_start_source_file): Print it.
4696 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4698 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4700 2005-10-06 Richard Henderson <rth@redhat.com>
4703 * mode-switching.c (optimize_mode_switching): Clear transp bit
4704 for block with incomming abnormal edges.
4706 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4707 (fpscr_set_from_mem): Use them.
4708 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4709 (fpscr postinc splitters): Rewrite as peephole2+split.
4711 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4713 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4714 (eq<mode>_compare): Same.
4716 2005-10-06 Richard Guenther <rguenther@suse.de>
4718 PR tree-optimization/24238
4719 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4721 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4723 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4724 here. Use AC_PATH_PROG for environment variables instead of
4726 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4728 * configure: Regenerated.
4730 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4733 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4734 then force it into a register.
4735 (call_value): Likewise.
4737 2005-10-06 Richard Henderson <rth@redhat.com>
4740 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4741 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4742 under pass_vectorize.
4744 2005-10-05 Devang Patel <dpatel@apple.com>
4747 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4748 handling constants. Check NAMESPACE_DECL context for constants.
4750 2005-10-05 Eric Christopher <echristo@apple.com>
4752 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4754 2005-10-05 Richard Henderson <rth@redhat.com>
4757 * tree-cfg.c (mark_array_ref_addressable_1): New.
4758 (mark_array_ref_addressable): New.
4759 * tree-flow.h (mark_array_ref_addressable): Declare.
4760 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4762 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4766 * reload.c (subst_reloads): When adding a REG_LABEL to a
4767 jump instruction, also update JUMP_LABEL.
4769 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4771 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4772 * bb-reorder.c (copy_bb_p): Use it.
4773 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4775 2005-10-05 Richard Henderson <rth@redhat.com>
4778 * toplev.c (process_options): Warn about unsupported combinations
4779 of unwind tables and omit-frame-pointer.
4780 * config/i386/i386.c (override_options): Similarly. Enable
4781 accumulate-outgoing-args if not explicitly disabled.
4783 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4785 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4786 Handle big endian vs. small endian.
4787 (vec_initv2sf): Handle big endian vs. small endian.
4788 (*vec_extractv2sf_1): Ditto.
4790 2005-10-05 Dale Johannesen <dalej@apple.com>
4792 * convert.c (convert_to_real): Don't convert
4793 (float)floor(double d) to floorf((float)d).
4795 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4797 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4799 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4801 PR tree-optimization/18587
4802 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4803 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4804 build_vuses): Change to VEC type.
4805 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4806 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4807 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4808 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4809 (get_name_decl): New. Return DECL_UID of base variable.
4810 (operand_build_cmp): New. qsort comparison routine.
4811 (operand_build_sort_virtual): New. Sort virtual build vector.
4812 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4813 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4814 (FINALIZE_BASE): Use get_name_decl.
4815 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4816 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4817 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4818 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4819 direct VEC_* manipulations.
4820 (build_ssa_operands): Call operand_build_sort_virtual.
4821 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4822 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4823 with direct VEC_* manipulations.
4824 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4825 with direct VEC manipulations.
4827 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4829 PR tree-optimization/21419
4830 PR tree-optimization/24146
4831 PR tree-optimization/24151
4833 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4834 (build_asm_expr): Call it if outputs are read-only.
4835 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4837 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4838 Paolo Bonzini <bonzini@gnu.org>
4842 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4843 enable the instructions and not just the built-ins.
4844 * doc/invoke.texi (x86 Options): Likewise.
4846 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4848 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4850 * doc/invoke.texi (Option Summary): Correct spelling
4851 of -mmacosx-version-min.
4853 2005-10-04 Devang Patel <dpatel@apple.com>
4855 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4858 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4860 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4861 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4863 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4865 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4866 ("TE","tg"): New mode attributes.
4867 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4868 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4869 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4870 dword_mode and one for GPRmode.
4872 2005-10-04 Ian Lance Taylor <ian@airs.com>
4874 PR preprocessor/13726
4875 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4876 any comments passed in.
4878 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4880 * tree.c (annotate_with_file_line): Fix typo.
4882 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4885 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4886 type used to access data in the inlined length == 1 case, use
4887 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4888 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4890 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4892 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4893 TARGET_SSE3 and only for TARGET_80387.
4894 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4895 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4896 Do not depend on TARGET_80387.
4898 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4900 * tree.c (last_annotated_node): Change type to location_t*.
4901 (annotate_with_file_line): Reflect the change of
4902 last_annotated_node type.
4904 2005-10-04 Richard Guenther <rguenther@suse.de>
4907 * c-decl.c (grokdeclarator): Don't write to fields
4910 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4913 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4915 * varasm.c (make_decl_rtl): If a register variable does not
4916 have a set user assmbler name, error out.
4917 Decode the asmspec is now name+1 bypassing '*'.
4919 2005-10-04 Steven Bosscher <stevenb@suse.de>
4921 PR tree-optimization/23049
4922 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4923 of a COND_EXPR is folded before calling fold on the whole rhs of a
4924 conditional assignment.
4925 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4926 document that a COND_EXPR may appear there.
4928 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4931 * tree-vrp.c (extract_range_from_assert): If the new numeric
4932 range created out of the assertion contradicts the existing
4933 numeric range of the ASSERT_EXPR variable, make the new range
4936 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4938 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4939 from T_REGS to FP register class.
4941 2005-10-03 Richard Henderson <rth@redhat.com>
4944 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4945 before creating a new one.
4947 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4949 * config/rs6000/t-aix43 (LDFLAGS): New.
4950 * config/rs6000/t-aix52 (LDFLAGS): New.
4952 2005-10-03 Ian Lance Taylor <ian@airs.com>
4954 * gimplify.c (find_single_pointer_decl_1): New static function.
4955 (find_single_pointer_decl): New static function.
4956 (internal_get_tmp_var): For a formal variable, set restrict base
4957 information if appropriate.
4958 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4960 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4961 (DECL_GET_RESTRICT_BASE): Define.
4962 (SET_DECL_RESTRICT_BASE): Define.
4963 (decl_restrict_base_lookup): Declare.
4964 (decl_restrict_base_insert): Declare.
4965 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4966 * tree.c (restrict_base_for_decl): New static variable.
4967 (init_ttree): Initialize restrict_base_for_decl.
4968 (copy_node_stat): Copy restrict base information.
4969 (decl_restrict_base_lookup): New function.
4970 (decl_restrict_base_insert): New function.
4971 (print_restrict_base_statistics): New static function.
4972 (dump_tree_statistics): Call print_restrict_base_statistics.
4974 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4977 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4978 case of anti-ranges.
4980 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4983 * c-typeck.c (tagged_tu_seen): Rename to ...
4984 (tagged_tu_seen_cache): this and add val field.
4985 (comptypes): Move functional to comptypes_internal
4986 and free tagged_tu_seen.
4987 (comptypes_internal): New function and call comptypes_internal
4988 instead of comptypes. Speed up by sibcalling
4989 tagged_types_tu_compatible_p.
4990 (alloc_tagged_tu_seen): New function
4991 (free_all_tagged_tu_seen_up_to): New function.
4992 (tagged_types_tu_compatible_p): Return the val of the seen two
4994 Add that the two types are the same to tagged_tu_seen_base
4995 if they are and call comptypes_internal instead of comptypes.
4996 <case UNION_TYPE>: Speed up common type where the fields are
4998 (function_types_compatible_p): Call comptypes_internal instead of
5000 (type_lists_compatible_p): Likewise.
5001 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5003 2005-10-02 Matthias Klose <doko@debian.org>
5005 * doc/invoke.texi: Fix typo and speling error.
5007 2005-10-01 Richard Henderson <rth@redhat.com>
5009 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5011 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5013 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5014 using --start-group and --end-group.
5016 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5018 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5019 FIXME note regarding quirky semantics.
5021 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5024 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5025 non-null range as a last resort.
5027 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5028 Diego Novillo <dnovillo@redhat.com>
5031 * tree-vrp.c (extract_range_from_assert): For !=
5032 assertions, only build an anti-range if LIMIT is a
5033 single-valued range.
5035 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5037 * arm.md (movqi): On thumb when optimizing, handle loading from
5038 memory by describing this as taking a subreg of a zero-extended load
5039 into an SImode register.
5042 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5044 * reload1.c (merge_assigned_reloads): Do not change any
5045 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5047 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5049 * Makefile.in (LIPO_FOR_TARGET): Define.
5050 (STRIP_FOR_TARGET): Define.
5052 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5053 before creating new ones. Do symlinks before creating the actual
5056 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5057 to work out which multilibs are actually being built.
5059 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5061 * tree-vect-transform.c, config/ms1/ms1.md,
5062 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5063 Follow spelling conventions.
5064 * doc/invoke.texi, doc/md.texi: Fix typos.
5066 2005-09-30 Andrew Macleod <amacleod@redat.com>
5068 PR tree-optimization/21430
5069 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5070 use operands, and set stmt pointer if need be.
5071 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5072 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5075 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5078 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5080 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5082 * optabs.c (expand_binop): Initialize first_pass_p.
5084 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5087 * c-decl.c (c_write_global_declarations_1): If any
5088 wrapup_global_declaration_2 call returned true, restart the loop.
5090 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5092 Fix PR tree-optimization/24117
5093 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5094 before considering whether to use anyoffset.
5096 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5100 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5102 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5104 (swap_commutative_operands_with_target): New.
5106 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5109 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5112 2005-09-29 Steven Bosscher <stevenb@suse.de>
5114 PR tree-optimization/23911
5115 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5116 and IMAGPART_EXPR too.
5118 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5121 * expmed.c (expand_shift): Move logic to reverse rotation
5122 direction when rotating by constants ...
5123 * optabs.c (expand_binop): ... here.
5124 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5125 (ix86_rotrdi3): New pattern.
5126 (rotldi3): Handle 32-bit mode.
5127 (ix86_rotldi3): New pattern.
5129 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5132 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5133 check for numbers that need no bit twiddle.
5135 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5137 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5138 multilib to be built.
5140 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5141 (stage1-start): Delete old libgcc and libunwind before moving
5142 anything into the stage directory.
5143 (stage2-start): Likewise.
5144 (stage3-start): Likewise.
5145 (stage4-start): Likewise.
5146 (stageprofile-start): Likewise.
5147 (stagefeedback-start): Likewise.
5148 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5149 header in tm_file and CPU-specific t-darwin in tmake_file.
5150 (i[34567]86-*-darwin*): Don't change tm_file.
5151 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5152 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5153 shared library stub for target OS version.
5154 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5155 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5156 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5157 (libgcc_s.%.dylib): New.
5159 (install-darwin-libgcc-stubs): New.
5160 (INSTALL_LIBGCC): New append.
5161 * config/i386/darwin-libgcc.10.4.ver: New.
5162 * config/i386/darwin-libgcc.10.5.ver: New.
5163 * config/i386/t-darwin: New.
5164 * config/rs6000/darwin-libgcc.10.4.ver: New.
5165 * config/rs6000/darwin-libgcc.10.5.ver: New.
5166 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5167 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5169 2005-09-28 Paul Brook <paul@codesourcery.com>
5171 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5174 2005-09-28 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/23853
5177 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5178 host_integerp to verify misalignment value.
5180 2005-09-28 Richard Henderson <rth@redhat.com>
5182 * builtins.c (get_builtin_sync_mode): New.
5183 (expand_builtin_sync_operation): Pass in mode argument.
5184 (expand_builtin_compare_and_swap): Likewise.
5185 (expand_builtin_lock_test_and_set): Likewise.
5186 (expand_builtin_lock_release): Likewise.
5187 (expand_builtin): Update to match.
5189 2005-09-28 Nick Clifton <nickc@redhat.com>
5191 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5192 formatting. Add check to PLUS case to ensure that the offset is
5193 within an acceptable range.
5195 * config/v850/v850.md (casesi): Disable the generation of the
5196 switch pattern as it is not being handled properly at the moment.
5198 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5199 for when the high words are identical.
5201 2005-09-27 Richard Henderson <rth@redhat.com>
5203 * pretty-print.c (pp_base_format): Fix typo for %>.
5205 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5206 Devang Patel <dpatel@apple.com>
5208 PR tree-optimization/23625
5209 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5210 LABEL_EXPR, assertion check.
5212 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5214 * optabs.c (no_conflict_move_test): Check if a result of a
5215 to-be-moved insn would be clobbered by an originally
5218 2005-09-27 Jeff Law <law@redhat.com>
5220 * passes.c (init_optimization_passes): Replace copy propagation
5221 passes immediately after DOM with phi-only copy propagation
5222 pases. Add phi-only copy propagation pass after first DOM pass.
5223 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5224 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5225 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5226 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5227 to init_copy_prop. Callers updated.
5228 (do_phi_only_copy_prop): New function.
5229 (pass_phi_only_copy_prop): New pass descriptor.
5231 2005-09-27 Nick Clifton <nickc@redhat.com>
5233 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5235 2005-09-26 Jason Merrill <jason@redhat.com>
5238 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5240 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5242 2005-09-26 James E Wilson <wilson@specifix.com>
5244 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5245 copyright. Add gcc copyright plus libgcc exception.
5246 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5248 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5250 2005-09-26 Jeff Law <law@redhat.com>
5252 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5253 about when to iterate.
5255 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5258 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5259 for __complex__ double in -mcpu=G5 mode.
5261 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5263 PR tree-optimization/23942
5264 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5265 * tree-scalar-evolution.c: Include params.h.
5267 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5268 follow_ssa_edge_in_condition_phi_branch,
5269 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5270 Change return type to t_bool. Use a parameter to limit the size of
5271 trees that are walked before stopping
5272 (analyze_evolution_in_loop): Initialize the limit to 0.
5273 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5274 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5276 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5279 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5280 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5282 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5284 * combine.c (make_extraction): Check for valid use of subreg.
5286 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5289 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5290 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5291 ("fist<mode>2_with_temp"): Use only register operands.
5293 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5295 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5296 CALL_INSN_FUNCTION_USAGE.
5298 2005-09-26 Richard Guenther <rguenther@suse.de>
5301 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5302 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5303 (ldst_entry): Use the hashtable instead of list-walking.
5304 (find_rtx_in_ldst): Likewise.
5305 (free_ldst_entry): Free the hashtable.
5306 (compute_ld_motion_mems): Create the hashtable.
5307 (trim_ld_motion_mems): Remove entry from hashtable if
5308 removing it from list.
5309 (compute_store_table): Likewise^2.
5310 (store_motion): Free hashtable in case we did not see
5313 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5315 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5316 and arg1 if we are passing them to fold_build2.
5318 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5321 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5324 2005-09-25 Richard Henderson <rth@redhat.com>
5326 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5327 SYMBOL_REF_TLS_MODEL to be correct.
5329 2005-09-24 Richard Henderson <rth@redhat.com>
5331 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5332 end of function. Reindent.
5334 2005-09-24 Ian Lance Taylor <ian@airs.com>
5336 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5337 NEGATE_EXPR/BIT_NOT_EXPR case.
5339 2005-09-24 Richard Henderson <rth@redhat.com>
5341 * c-common.c (handle_mode_attribute): When not modifying in place,
5342 create subtypes for enumerations.
5343 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5344 * gimplify.c (create_tmp_from_val): Likewise.
5346 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5348 * config/i386/i386.md (*tls_global_dynamic_64,
5349 *tls_local_dynamic_base_64): Add missing mode to call.
5350 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5352 2005-09-24 Jan Hubicka <jh@suse.cz>
5354 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5355 (cgraph_clone_node): Likewise.
5356 * cgraph.h (cgraph_clone_edge): Update prototype.
5357 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5358 duplicated prototypes; add updating argument.
5359 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5360 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5362 (cgraph_mark_inline_edge): Likewise.
5363 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5364 (cgraph_flatten_node): Likewise.
5365 (cgraph_decide_recursive_inlining): Likewise.
5366 (cgraph_decide_inlining_of_small_function): Likewise.
5367 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5369 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5370 Pete Steinmetz <steinmtz@us.ibm.com>
5372 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5373 (rldic.): Set type to "compare".
5375 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5376 mfjmpr for MFCTR/MFLR.
5377 (movdf_hardfloat64): Same.
5378 (movdf_softfloat64): Same. Correct order of store and move types.
5379 (movti_string): Set type to store_ux/load_ux.
5380 (load_multiple): Set type to load_ux.
5381 (store_multiple): Set type to store_ux.
5382 (movmemsi): Set type to store_ux.
5383 (output_cbranch direct_return): Set type to jmpreg.
5384 (stmw): Set type to store_ux.
5385 (lmw): Set type to load_ux.
5386 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5387 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5388 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5389 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5390 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5391 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5392 (rios1-fpstore): Increase latency to 3.
5393 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5394 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5396 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5397 Andrew Pinski <pinskia@physics.uc.edu>
5399 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5400 operand2 constraint to "b".
5401 (sync_<fetchop_name>di_internal): Same.
5402 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5404 (sync_old_<fetchop_name>di_internal): Same.
5405 (sync_new_<fetchop_name>si_internal): Same.
5406 (sync_new_<fetchop_name>di_internal): Same.
5408 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5411 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5412 case, define as macros.
5414 PR rtl-optimization/23837
5415 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5416 clobber / clobber match between dest and p->first.
5418 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5419 (no_conflict_move_test): Update comments.
5421 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5423 * doc/install.texi: Update URL for Jacks.
5424 * doc/sourcebuild.texi: Likewise.
5426 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5429 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5430 registers when choosing register preferences.
5431 (movdf_hardfloat64): Same.
5433 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5435 * expmed.c (expand_shift): Don't use the target of the rotate as
5436 target for the first expanded shift insn.
5437 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5439 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5441 PR tree-optimization/22438
5442 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5443 preserved iv rhs rewriting specially.
5445 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5447 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5448 estimate_only is true.
5449 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5450 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5451 tree-ssa-structalias.c
5452 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5453 ref_contains_indirect_ref.
5454 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5456 2005-09-21 DJ Delorie <dj@redhat.com>
5458 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5460 (mn10300_return_in_memory): Support variable size types also.
5461 (mn10300_pass_by_reference): Likewise.
5462 (mn10300_function_value): New.
5463 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5464 (FUNCTION_OUTGOING_VALUE): Likewise.
5465 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5466 * doc/invoke.texi: Document it.
5468 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5471 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5472 force integer op1 into register for XFmode compares.
5474 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5477 * expmed.c (alg_code): Add alg_impossible.
5478 (alg_hash_entry): Add cost.
5479 (synth_mult): Record alg_impossible in the hash table if
5480 multiplication by a given integer is impossble within the
5481 limit. Speed up using alg_impossible.
5483 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5485 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5486 argument. Allow and set any offset if needs_anyoffset is passed
5488 (get_constraint_for): Add argument here too.
5490 (do_structure_copy): Pass NULL to get_constraint_for.
5491 (handle_ptr_arith): Ditto.
5492 (find_func_aliases): Ditto.
5494 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5496 PR rtl-optimization/23898
5497 * output.h (get_attr_min_length): Declare.
5498 * final.c (get_attr_length_1): New function, broken out of:
5500 (get_attr_min_length): New function.
5501 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5502 (duplicate_computed_gotos): Likewise.
5503 * genattr.c (insn_min_length): Generate declaration.
5504 * genattrtab.c (min_fn, min_attr_value): New functions.
5505 (make_length_attrs): Generate insn_min_length.
5507 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5509 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5511 2005-09-20 Richard Henderson <rth@redhat.com>
5513 PR tree-optimization/24059
5514 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5517 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5519 * c.opt (fextended-identifiers): New.
5520 * c-opts.c (c_common_handle_option): Handle
5521 -fextended-identifiers.
5522 * doc/cpp.texi: Update documentation of extended identifiers.
5523 * doc/cppopts.texi (-fextended-identifiers): Document.
5525 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5527 PR tree-optimization/23929
5528 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5531 PR tree-optimization/23818
5532 * tree-stdarg.c (execute_optimize_stdarg): Call
5533 calculate_dominance_info.
5535 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5537 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5538 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5539 (compute_overlap_steps_for_affine_1_2): Use
5540 get_number_of_iters_for_loop.
5541 (analyze_subscript_affine_affine): Check whether difference is
5543 Use get_number_of_iters_for_loop.
5544 Check whether overlap occurs outside of bounds.
5545 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5547 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5549 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5550 base register if possible.
5552 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5554 PR tree-optimization/18463
5555 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5556 converting it directly is not possible.
5557 (chrec_convert_aggressive): New function.
5558 * tree-chrec.h (chrec_convert_aggressive): Declare.
5559 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5560 Fold chrec conversions aggressively if asked to.
5561 (instantiate_parameters): Modified because of changes in
5562 instantiate_parameters_1.
5564 2005-09-19 Richard Henderson <rth@redhat.com>
5566 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5567 (reduc_splus_v2df): New.
5569 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5571 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5572 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5574 2005-09-19 Richard Henderson <rth@redhat.com>
5576 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5579 2005-09-19 Richard Henderson <rth@redhat.com>
5581 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5582 (ia64_expand_dot_prod_v8qi): New.
5583 * config/ia64/ia64-protos.h: Update.
5584 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5585 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5586 sdot_prodv8qi, sdot_prodv4hi): New.
5587 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5589 2005-09-19 Richard Henderson <rth@redhat.com>
5592 * real.c (exact_real_truncate): Return false if the format cannot
5593 represent the number as a normal.
5595 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5596 for a memory source.
5598 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5600 * tree-ssa-operands.c (swap_tree_operands): Export.
5601 * tree.h (swap_tree_operands): Declare.
5602 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5603 Call swap_tree_operands.
5605 2005-09-19 Richard Henderson <rth@redhat.com>
5607 * tree-flow.h (merge_alias_info): Declare.
5608 * tree-ssa-copy.c (merge_alias_info): Export.
5609 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5610 (vect_create_data_ref_ptr): Use create_iv directly.
5611 (vectorizable_load): Use correct types for integer constants.
5612 (vect_generate_tmps_on_preheader): Likewise.
5613 (vect_gen_niters_for_prolog_loop): Likewise.
5615 2005-09-19 Steven Bosscher <stevenb@suse.de>
5617 PR rtl-optimization/23943
5618 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5620 2005-09-18 Jan Hubicka <jh@suse.cz>
5622 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5624 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5626 * varasm.c (output_constant): Do not abort on conversions to union
5627 types between different sizes.
5629 2005-09-18 Richard Guenther <rguenther@suse.de>
5632 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5635 2005-09-18 Paul Brook <paul@codesourcery.com>
5637 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5639 2005-09-17 Richard Henderson <rth@redhat.com>
5641 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5642 * tree-ssa-loop.c (pass_vect_dce): Remove.
5643 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5646 2005-09-17 Richard Henderson <rth@redhat.com>
5648 * tree-pass.h (pass_vect_dce): Declare.
5649 * passes.c (init_optimization_passes): Add it.
5650 * tree-flow.h (tree_ssa_dce): Declare.
5651 * tree-ssa-dce.c (tree_ssa_dce): Export.
5652 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5653 (gate_tree_vectorize): ... here.
5654 (pass_vect_dce): New.
5656 2005-09-17 Jan Hubicka <jh@suse.cz>
5658 * except.c (struct eh_status): Turn region_array into vec.
5659 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5660 convert_from_eh_region_ranges, find_exception_handler_labels,
5661 current_function_has_exception_handlers, assign_filter_values,
5662 build_post_landing_pads, dw2_build_landing_pads,
5663 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5664 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5665 foreach_reachable_handler, can_throw_internal_1,
5666 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5668 (duplicate_eh_region_1): Update region_array.
5669 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5671 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5674 * expmed.c (expand_mult): Substitute simple register for op0 when
5677 2005-09-17 Richard Henderson <rth@redhat.com>
5679 * expr.c (emit_move_via_integer): Add force argument, pass it on
5680 to emit_move_change_mode. Update callers.
5681 (emit_move_complex): Pass true to new force argument.
5682 * function.c (expand_function_end): Move expand_eh_return call
5683 earlier. Merge sub-word complex values into a pseudo before
5684 copying to the return hard register.
5686 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5688 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5689 between different sizes.
5691 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5695 * passes.c (init_optimization_passes): Register dump files for
5698 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5700 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5701 * config/s390/s390.c (s390_overlap_p): New function.
5702 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5703 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5706 2005-09-16 Richard Guenther <rguenther@suse.de>
5708 * ipa-pure-const.c (static_execute): Free auxiliar information.
5709 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5710 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5712 2005-09-15 DJ Delorie <dj@redhat.com>
5714 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5716 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5718 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5720 (swap_commutative_operands_with_target): New.
5722 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5724 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5727 (estimate_iters_using_array): New function.
5728 * tree-data-ref.h (estimate_iters_using_array): Prototype
5729 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5730 Use estimate_iters_using_array instead of analyze_array.
5732 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5734 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5737 2005-09-15 Michael Matz <matz@suse.de>
5739 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5741 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5743 PR tree-optimization/23835
5744 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5745 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5747 2005-09-14 Richard Henderson <rth@redhat.com>
5749 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5750 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5752 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5754 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5755 in the ARRAY_TYPE case.
5757 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5759 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5761 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5764 * tree-vect-transform.c (vectorizable_operation): Return false for
5765 scalar shift operations and for vector shift operations with
5766 non-invariant shift arguments. Use scalar tree operand op1 as
5767 a shift operand when vector shift insn pattern uses scalar shift
5769 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5771 2005-09-14 Olivier Hainque <hainque@adacore.com>
5773 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5774 value if it has side-effects.
5776 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5779 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5781 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5783 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5784 passed as NAME as if it were label at start of function code.
5786 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5788 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5791 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5793 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5794 as early clobber. Rewrite so the PIC register is not implicitly used.
5796 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5798 * tree.c (annotate_with_file_line): Compare line numbers before
5801 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5804 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5805 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5807 2005-09-13 Ian Lance Taylor <ian@airs.com>
5809 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5810 than a HOST_WIDEST_INT to gen_doloop_begin.
5812 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5814 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5816 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5818 PR tree-optimize/23817
5819 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5821 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5824 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5825 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5826 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5827 (restore_stack_nonlocal): Likewise.
5828 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5830 2005-09-12 Ian Lance Taylor <ian@airs.com>
5833 * c.opt (ffriend-injection): New C++ option.
5834 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5835 (C++ Dialect Options): Document -ffriend-injection.
5837 2005-09-12 Josh Conner <jconner@apple.com>
5840 * ipa-reference.c (static_execute): Don't mark variables in
5841 named sections TREE_READONLY.
5843 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5845 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5848 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5850 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5851 V_MUST_DEF instead of just the first_use_p.
5852 Don't mark the virtual variables for renaming on the statement which
5854 (pass_dse): Remove TODO_update_ssa.
5856 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5859 * stor-layout.c (compute_record_mode): For records with a single
5860 field, actually check the field's mode size against the type size.
5862 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5863 registers for TARGET_SHMEDIA.
5864 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5865 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5866 of GENERAL_REGS and FP_REGS.
5868 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5870 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5872 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5874 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5875 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5876 are omitted. Exclude stack_tie insn too.
5878 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5880 PR rtl-optimization/23098
5881 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5883 * config/rs6000/rs6000.md (movdf splitter): Use
5884 const_double_operand predicate for TARGET_POWERPC64.
5885 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5886 SYMBOL_REF method to ABI_V4.
5888 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5889 replace_equiv_address.
5890 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5891 rs6000_sr_alias_set and MEM_NOTRAP.
5892 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5894 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5896 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5897 handle CALL_EXPR again.
5899 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5901 * arm/predicates.md (alignable_memory_operand): Delete.
5903 2005-09-10 Richard Henderson <rth@redhat.com>
5906 * dbxout.c (dbxout_expand_expr): New.
5907 (dbxout_symbol): Use it.
5909 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5911 * arm.c (arm_gen_rotated_half_load): Delete.
5912 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5913 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5914 (thumb_set_return_address): Likewise.
5915 (thumb_load_double_from_address): Use adjust_address.
5916 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5917 (extendhsisi2_mem, movhi_bytes): Use change_address.
5918 (movhi): Use widen_memory_access.
5919 (reload_out_df): Use replace_equiv_address.
5920 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5922 2005-09-09 Richard Henderson <rth@redhat.com>
5925 * dbxout.c: Include expr.h.
5926 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5927 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5928 * Makefile.in (dbxout.o): Add EXPR_H.
5930 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5932 PR tree-optimization/23509
5933 * tree-cfg.c (replace_uses_by): Use replace_exp.
5934 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5935 pointers have name_mem_tag or type_mem_tag set.
5937 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5939 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5940 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5941 of wrongly accessing operands.
5943 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5945 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5946 * tree-chrec.c: Include tree-scalar-evolution.h.
5947 (chrec_convert): Instantiate the base and step before calling
5948 scev_probably_wraps_p that would fail on parametric evolutions.
5949 Collect all the fails into a single section failed_to_convert,
5950 print a diagnostic, and return chrec_dont_know instead of calling
5952 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5953 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5955 (scev_const_prop): Don't replace the definition of a loop closed ssa
5956 phi node by itself, or by another loop closed ssa phi node.
5957 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5958 that base and step are defined.
5960 2005-09-09 Richard Guenther <rguenther@suse.de>
5963 * fold-const.c (fold_ternary): Check truth_value_p before
5964 calling invert_truthvalue.
5966 2005-09-09 Nick Clifton <nickc@redhat.com>
5968 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5969 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5970 dimension of these arrays.
5971 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5973 * longlong.h: Only provide a prototype for the __clz_tab[] array
5974 if this header has not been included from libgcc2.h.
5975 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5977 Provide prototypes for exported functions.
5978 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5981 2005-09-08 Josh Conner <jconner@apple.com>
5985 * expr.c (expand_expr_addr_expr_1): Don't invoke
5986 expand_simple_binop for EXPAND_INITIALIZER.
5988 2005-09-08 Richard Henderson <rth@redhat.com>
5991 * toplev.c (wrapup_global_declaration_1): Split out ...
5992 (wrapup_global_declaration_2): ... from ...
5993 (wrapup_global_declarations): ... here. Return bool.
5994 (check_global_declaration_1): Split out ...
5995 (check_global_declarations): from here.
5996 (emit_debug_global_declarations): New.
5997 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5998 check_global_declaration_1, emit_debug_global_declarations): Declare.
5999 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6000 of decls. Call wrapup_global_declaration_1,
6001 wrapup_global_declaration_2, check_global_declaration_1 directly.
6002 (c_write_global_declarations_2): New.
6004 (c_write_global_declarations): Call c_write_global_declarations_2.
6005 * langhooks.c (write_global_declarations): Call
6006 emit_debug_global_declarations.
6008 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6009 remove decls that have DECL_RTL_SET_P.
6010 * passes.c (rest_of_decl_compilation): Invoke
6011 cgraph_varpool_finalize_decl for all but functions.
6013 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6015 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6016 the result of a conversion if the new min and max cannot be compared.
6018 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6020 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6021 (override_options): Setting s390_sr_alias_set removed.
6022 (save_fpr, save_gprs): Set alias set to vararg or frame.
6023 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6024 s390_sr_alias_set with get_frame_alias_set ().
6025 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6026 get_varargs_alias_set ().
6028 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6032 * c-parser.c (c_parser_objc_method_definition): If the next
6033 token is not "{", error out and don't start the function.
6035 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6037 * tree-vrp.c (extract_range_from_expr): Move the check for non
6038 nullness after the check for gimple invariant.
6040 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6042 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6044 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6047 * config/m32r.md (movmemsi_internal): Canonicalize order of
6048 operands in PLUS component of template.
6050 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6052 * reload1.c (fixup_eh_region_note): Remove assertion.
6053 (fixup_abnormal_edges): Reverted removal of call to
6054 find_many_sub_basic_blocks made on 2005-08-31.
6056 2005-09-07 Richard Henderson <rth@redhat.com>
6058 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6059 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6060 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6061 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6062 rearrange for better packing.
6063 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6064 (lookup_cfa_1): Remove inline marker.
6065 (cfa_equal_p): Split out of ...
6066 (def_cfa_1): ... here. Use INVALID_REGNUM.
6067 (build_cfa_loc): Handle !cfa->indirect.
6068 (frame_pointer_cfa_offset): New.
6069 (dbx_reg_number): Assert register elimination performed; do
6070 leaf register remapping.
6071 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6072 (eliminate_reg_to_offset): New.
6073 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6074 for verifiably local stack frame addresses; re-base to CFA.
6075 (mem_loc_descriptor): Remove can_use_fbreg argument.
6076 (concat_loc_descriptor, loc_descriptor): Likewise.
6077 (containing_function_has_frame_base): Remove.
6078 (rtl_for_decl_location): Don't do register elimination or
6079 leaf register remapping here.
6080 (secname_for_decl): Split out from ..
6081 (add_location_or_const_value_attribute): ... here.
6082 (convert_cfa_to_loc_list): New.
6083 (compute_frame_pointer_to_cfa_displacement): New.
6084 (gen_subprogram_die): Use them.
6085 * tree.h (frame_base_decl): Remove.
6086 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6087 (prologue_stack_adjust): Remove.
6088 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6089 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6090 (set_frame_base_location): Remove.
6091 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6092 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6093 (vt_add_function_parameters): Don't eliminate_regs.
6094 (vt_initialize): Don't create frame_base_decl.
6096 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6098 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6099 version of GNU binutils for 4.x and later.
6101 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6103 * ggc-page.c (ggc_push_context): Remove.
6104 (ggc_pop_context): Likewise.
6105 * ggc.h (ggc_push_context): Remove.
6106 (ggc_pop_context): Likewise.
6108 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6111 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6112 returning from an interrupt handler.
6114 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6117 * config/arc/arc.c (output_shift): Add check for loop count when
6120 2005-09-06 Steven Bosscher <stevenb@suse.de>
6122 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6124 (abs_replacement): Likewise.
6125 (pass_phiopt): Remove TODO_update_ssa.
6127 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6130 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6131 if "return with no value, in function returning non-void" warning
6133 * tree-cfg.c (execute_warn_function_return): Don't look at
6134 RETURN_EXPRs with TREE_NO_WARNING set.
6137 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6138 for internal functions doesn't use registers used by global registers
6139 variables. Use fewer register parameters if there are global register
6142 2005-09-06 Olivier Hainque <hainque@adacore.com>
6143 Eric Botcazou <ebotcazou@adacore.com>
6146 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6147 when we would be extracting outside its bit span (bitpos+bitsize
6148 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6149 Ada unchecked conversions.
6151 2005-09-06 Steven Bosscher <stevenb@suse.de>
6153 * tree-ssa-pre.c (try_look_through_load): New function.
6154 (compute_avail): Use it to try to look through loads for some
6155 more useful expressions.
6157 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6159 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6160 condition for detecting cases like (a&a) and (a^a).
6162 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6164 * common.opt: Add option ftree-vect-loop-version.
6165 * params.def: Add --param vect-max-version-checks.
6166 * doc/invoke.texi: Document ftree-vect-loop-version and
6167 --param vect-max-version-checks.
6168 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6169 may_misalign_stmts and defines for accessors.
6170 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6171 LOOP_VINFO_MAY_MISALIGN_STMTS.
6172 (destroy_loop_vec_info): VEC_free for
6173 LOOP_VINFO_MAY_MISALIGN_STMTS.
6174 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6175 Update documentation.
6176 (vect_update_misalignment_for_peel): New.
6177 (vect_enhance_data_refs_alignment): Update to choose loop
6178 peeling or loop versioning if appropriate for the (potentially)
6179 unaligned data references in the loop.
6180 (vect_analyze_data_refs_alignment): Remove call to
6181 vect_enhance_data_refs_alignment so the checks can be done
6183 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6184 and move up call to vect_analyze_data_refs_alignment.
6185 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6186 (vect_transform_loop): Add call to loop_version.
6188 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6190 PR rtl-optimization/23098
6191 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6192 * simplify-rtx.c (constant_pool_reference_p): New function.
6193 * rtl.h (constant_pool_reference_p): New prototype.
6194 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6195 constant_pool_reference_p in condition and
6196 avoid_constant_pool_reference in preparation statements.
6198 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6200 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6201 STRICT_LOW_PART SETs.
6203 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6206 * except.c (sjlj_emit_function_enter): Find the function begin
6207 note even when it's not in first basic block.
6209 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6211 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6212 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6213 * aclocal.m4: Regenerate.
6215 2005-09-05 DJ Delorie <dj@redhat.com>
6217 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6220 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6222 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6223 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6224 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6225 Follow spelling conventions.
6226 * doc/invoke.texi: Follow spelling conventions.
6228 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6230 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6231 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6232 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6234 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6237 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6238 (output_stack_adjust): Use gen_tmp_stack_mem.
6239 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6240 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6241 (sh_get_pr_initial_val): Likewise.
6242 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6243 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6244 * sh.md (divsi_inv_m0): Use gen_const_mem.
6245 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6246 (movdf_i4+1): Use gen_tmp_stack_mem.
6247 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6248 (fpu_switch+2): Likewise.
6249 (movv4sf_i, movv16sf_i): Use adjust_address.
6250 (symGOT_load): Set MEM_NOTRAP_P bit.
6252 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6255 * pa.c (emit_move_sequence): Fix typo in last change.
6257 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6259 PR rtl-optimization/23454
6260 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6263 2005-09-03 Richard Henderson <rth@redhat.com>
6264 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6267 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6270 2005-09-02 Nicolas Pitre <nico@cam.org>
6272 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6273 to bit_count to 32 bits.
6275 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6278 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6279 generating synthetic loads from volatile lvalues.
6281 005-09-02 Nick Clifton <nickc@redhat.com>
6283 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6284 __ctzhi2, __clzhi2): New functions.
6286 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6289 * tree-nested.c (struct var_map_elt): Mark with GTY.
6290 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6292 (lookup_field_for_decl): Allocate new element in GC memory.
6293 (lookup_tramp_for_decl): Likewise.
6294 (convert_nl_goto_reference): Likewise
6295 (create_nesting_tree): Allocate info in GC memory. Likewise for
6297 (free_nesting_tree): Free with ggc_free instead of free.
6298 (root): New static variable.
6299 (lower_nested_functions): Remove root as local variable. And zero out
6300 root at the end of the function.
6302 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6304 PR rtl-optimization/20365
6305 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6306 to short. New member ix.
6307 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6308 (simplify_plus_minus): Initialize ix members before calling qsort.
6310 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6312 PR tree-optimization/23626
6313 * tree-cfg.c (replace_uses_by): Clean up eh info.
6315 2005-09-01 DJ Delorie <dj@redhat.com>
6317 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6320 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6322 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6323 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6326 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6328 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6329 do not issue warning for a variable definition following
6332 2005-09-01 Richard Henderson <rth@redhat.com>
6335 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6336 conversion to CONST_VECTOR.
6338 2005-09-01 Richard Henderson <rth@redhat.com>
6341 * reload1.c (reload_as_needed): Check !CALL_P before calling
6342 fixup_eh_region_note.
6343 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6345 2005-09-01 DJ Delorie <dj@redhat.com>
6347 * varasm.c (output_constant): Let the target resolve
6348 conversions of addresses to non-default pointer sizes.
6350 2005-09-01 Nicolas Pitre <nico@cam.org>
6352 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6353 to alow matching ARM pre-indexed addressing mode.
6354 (arm_override_options): Remove now irrelevant comment.
6356 2005-09-01 Phil Edwards <phil@codesourcery.com>
6358 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6359 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6360 * config/i386/vxworks.h: Likewise.
6361 * config/i386/t-vxworksae: New file, for VxWorks AE.
6362 * config/i386/vxworksae.h: Likewise.
6364 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6366 PR tree-optimization/23410
6367 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6368 sequence is not wrapping during the first step.
6370 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6373 * dwarf2out.c (base_type_die): Compare char_type_node with
6374 TYPE_MAIN_VARIANT (type), not type.
6376 2005-09-01 Richard Guenther <rguenther@suse.de>
6378 PR tree-optimization/15366
6379 * common.opt: Add -finline-functions-called-once.
6380 Put -fearly-inlining in alphabetically ordered place.
6381 * doc/invoke.texi: Document new option.
6382 * ipa-inline.c (cgraph_decide_inlining): Honour
6383 flag_inline_functions_called_once.
6385 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6387 PR rtl-optimization/23478
6388 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6389 (alloc_qty): Initialize it.
6390 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6391 (combine_regs): Combine also n_throwing_calls_crossed fields.
6392 (find_free_reg): Don't attempt to caller-save pseudos crossing
6393 calls that might throw.
6394 * global.c (struct allocno): Add throwing_calls_crossed field.
6395 (global_alloc): Revert 2005-08-22 change. Initialize
6396 throwing_calls_crossed.
6397 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6400 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6403 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6404 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6405 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6406 (and64_2_operand): Tweak to use predicate.
6407 (and_operand): Adjust for mask_operand changes.
6408 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6409 (print_operand): Likewise.
6410 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6411 (mask64_1or2_operand): Delete.
6412 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6413 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6414 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6415 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6416 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6417 (rotldi3_internal4): Likewise.
6418 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6419 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6420 (ashldi3_internal7): Likewise.
6421 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6422 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6423 (anddi3 split): Don't match mask64_operand.
6424 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6425 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6426 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6427 't' splitter predicate.
6428 (movdi_internal64 + 2): Revert 2005-06-11 change.
6430 2005-08-31 DJ Delorie <dj@redhat.com>
6432 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6433 (m32c_asm_integer): Add support for 32 bit pointers.
6435 2005-08-31 Richard Henderson <rth@redhat.com>
6437 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6438 component-like references for setting MEM_NOTRAP_P.
6440 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6441 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6443 2005-08-31 Richard Henderson <rth@redhat.com>
6445 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6446 into a pseudo before applying gen_lowpart.
6448 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6450 * doc/install.texi (Specific): Update cctools version required
6451 for full functionality.
6452 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6453 linkers as -macosx_version_min.
6455 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6458 * sh.c (print_operand, %R and %S): Add handling of floating point
6459 registers, memory, constants and invalid operands.
6461 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6463 * ipa-pure-const.c: Change dump name.
6465 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6468 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6469 to "reg_or_0_operand".
6470 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6472 2005-08-31 Dale Johannesen <dalej@apple.com>
6474 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6475 loops that count down.
6477 2005-08-31 Richard Henderson <rth@redhat.com>
6480 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6481 (fixup_eh_region_note): New.
6482 (reload_as_needed): Call it.
6483 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6484 don't call find_many_sub_basic_blocks; call verify_flow_info.
6485 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6486 (keep_stack_depressed): Likewise.
6487 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6489 2005-08-31 Richard Henderson <rth@redhat.com>
6491 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6494 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6496 * expr.c (expand_expr_real_1): Compare size of address
6497 mode to target's address mode size in deciding expansion of
6498 the constant address.
6500 2005-08-31 Richard Guenther <rguenther@suse.de>
6503 * expr.c (all_zeros_p): New function.
6504 (expand_expr_real_1): Handle the case of an all-zero
6505 non-addressable constructor separately.
6507 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6509 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6510 arguments, adjust all callers.
6511 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6513 2005-08-30 Richard Henderson <rth@redhat.com>
6516 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6517 whenever the mode sizes match.
6519 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6521 * calls.c (load_register_parameters): Fix comment typo.
6522 * expr.c (emit_push_insn): Comment formatting.
6524 2005-08-30 Ian Lance Taylor <ian@airs.com>
6526 * config/i386/x-cygwin (host-cygwin): Change dependency from
6527 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6529 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6531 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6534 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6537 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6538 call to ggc_collect.
6540 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6543 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6544 beginning. Remove $(INCLUDES) from all the rules, if following
6545 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6547 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6550 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6551 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6552 not constant, but maxlen is, don't set len to maxlen, rather
6553 set maxlen to len if len is a constant.
6555 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6557 PR tree-optimization/23475
6558 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6561 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6563 Fix PR middle-end/22455
6565 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6566 Checksum only the parts of the tree that exist for the tree code.
6568 2005-08-28 Dale Johannesen <dalej@apple.com>
6570 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6572 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6574 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6576 2005-08-28 Richard Henderson <rth@redhat.com>
6578 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6579 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6582 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6585 * builtins.c (get_memory_rtx): Don't strip nops
6586 in between COMPONENT_REFs.
6588 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6591 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6593 (gimplify_modify_expr): Check for zero sized types and gimplify the
6594 rhs and lhs as statements.
6596 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6599 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6600 state for return address column of signal frames.
6602 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6605 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6606 bytes >= 2 not bytes == 2.
6607 (expand_block_move): Same.
6609 2005-08-27 Richard Guenther <rguenther@suse.de>
6612 * config/i386/sse.md (sse2_movsd): Add missing closing
6615 2005-08-27 Paul Brook <paul@codesourcery.com>
6617 * genrecog.c (enum decision_type): Add DT_num_insns.
6618 (struct decision_test): Add u.num_insns.
6619 (add_to_sequence): Add DT_num_insns test.
6620 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6621 (write_cond, debug_decision_2): Ditto.
6622 (change_state): Assume peep2_next_insn never fails.
6623 Remove "afterward" argument.
6624 (write afterward, write_tree): Update to match.
6625 * recog.c (peep2_current_count): New variable.
6626 (peep2_next_insn): Check it.
6627 (peephole2_optimize): Set peep2_current_count.
6628 * recog.h (peep2_current_count): Declare.
6630 2005-08-26 Josh Conner <jconner@apple.com>
6633 * ipa-pure-const.c (check_tree): Check for volatile-ness
6634 when considering a dereference.
6636 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6638 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6640 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6642 PR rtl-optimization/23561
6643 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6644 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6645 at most LEN bytes long memory fits into the field.
6646 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6647 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6648 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6650 2005-08-26 Richard Henderson <rth@redhat.com>
6653 * loop.c (biased_biv_may_wrap_p): New.
6654 (maybe_eliminate_biv_1): Use it to suppress non-equality
6655 comparison transformations. Delete disabled code.
6657 2005-08-26 Ian Lance Taylor <ian@airs.com>
6659 * combine.c (make_extraction): Avoid reference outside object.
6661 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6663 * stor-layout.c (finalize_type_size): Restore behaviour for
6664 non-aggregate types to the status quo ante of the patch for
6665 pr 23467. Document why it matters.
6667 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6670 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6671 array by one element, initialize the BT_LAST element with NULL.
6673 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6675 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6676 optimizing for size.
6678 (compare_plus_eqsi): Same.
6679 (plus_eqsi_compare): Same.
6680 (neg_eq0<mode>): Same.
6681 (neg_eq<mode>): Same.
6683 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6686 2005-08-26 Nick Clifton <nickc@redhat.com>
6688 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6689 TARGET_EP is not defined.
6690 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6691 TARGET_EP is enabled.
6692 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6693 * config/v850/v850.md (save_all_interrupt): Only use the EP
6694 register if TARGET_EP is defined.
6695 (restore_all_interrupt): Likewise.
6696 * config/v850/lib1funcs.asm: Update functions so that the EP
6697 register is only used if __EP__ is defined.
6699 2005-08-26 David Ung <davidu@mips.com>
6701 * config/mips/mips.c (mips_expand_prologue): Handle case when
6702 generating for MIPS16 and the outgoing argument area is more than
6703 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6706 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6708 * config/crx/crx.md: Make doloop_end pattern usage controllable
6709 via mloop-nesting=<max-nesting> command line switch. Make sure
6710 the combiner cannot use doloop_end_<mode> in an illegal way.
6711 * config/crx/crx.c: Use regs up to r6 for argument passing.
6712 Refine crx_address_cost (non cst4 displacements are expensive).
6713 * config/crx/crx.opt: Add switch for mloop-nesting=.
6715 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6717 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6718 (UNSPEC_MVST): New constant.
6720 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6722 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6723 Reject operands containing eliminable registers.
6724 * testsuite/gcc.dg/20050825-1.c: New testcase.
6726 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6727 Jan Hubicka <jh@suse.cz>
6729 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6731 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6733 PR tree-optimization/23546
6734 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6737 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6739 * params.def (PARAM_MIN_SPEC_PROB): New.
6740 * sched-rgn.c (MIN_PROBABILITY): Delete.
6741 (compute_trg_info): Convert to PARAM_VALUE.
6742 * doc/invoke.texi (param): Document min-spec-prob.
6744 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6746 * config/darwin.h: define __PIC__
6747 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6748 TARGET_OS_CPP_BUILTINS macro.
6750 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6752 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6755 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6757 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6759 * cfghooks.c (duplicate_block): Added position where to place
6760 new block as argument.
6761 * cfghooks.h (duplicate_block): Declaration changed.
6762 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6764 * cfglayout.h (copy_bbs): Declaration changed.
6765 * cfgloop.h (loop_version): Declaration changed.
6766 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6767 position to copy_bbs.
6768 (loop_version): Pass position to duplicate_loop_to_header_edge.
6769 Add place_after argument and position new blocks according to
6771 * modulo-sched.c (sms_schedule): Pass place_after argument
6773 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6774 * tree-cfg.c (split_edge_bb_loc): New function.
6775 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6776 to determine position of new blocks.
6777 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6779 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6780 argument to duplicate_block.
6781 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6782 Pass position to copy_bbs.
6784 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6786 * fold-const.c (ptr_difference_const): Use
6787 cst_and_fits_in_hwi instead of host_integerp.
6789 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6791 * config/darwin.c (gen_pic_offset): New.
6792 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6795 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6797 PR tree-optimization/23486
6798 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6800 2005-08-23 Phil Edwards <phil@codesourcery.com>
6802 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6803 remove use_collect2.
6804 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6806 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6807 configuration files to override the default value.
6809 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6810 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6811 * config/vx-common.h: New file, split out from...
6812 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6813 * config/vxworksae.h: New file, for VxWorks AE.
6814 * config/vxworks.opt: New file.
6815 * config/vxlib.c: Update for VxWorks 6.
6817 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6818 other MULTILIB_* variables appropriately.
6819 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6820 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6821 * config/rs6000/vxworks.h: Update for VxWorks 6.
6822 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6824 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6827 * config/darwin.c (machopic_select_section): Remove the hack to
6828 mark "::operator new" and "::operator delete" for coalescing
6829 even though they are not weak.
6831 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6833 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6834 * configure: Regenerate.
6836 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6839 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6841 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6842 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6845 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6847 * config/rs6000/predicates.md (equality_operator): New.
6848 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6849 comparison with a large constant.
6851 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6853 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6855 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6857 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6858 registers is even, and we have a hardware double precision fp,
6860 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6861 size of current argument when checking if argument was passed in
6864 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6867 * stor-layout.c (finalize_type_size): Dont override
6868 existing alignment with a smaller alignment from the mode.
6870 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6872 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6873 * lambda.h (lambda_vector_lexico_pos): ... here.
6874 * tree-data-ref.c (build_classic_dist_vector): Return false when
6875 the distance vector is lexicographically negative.
6877 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6879 PR tree-optimization/23511
6880 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6881 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6883 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6885 PR tree-optimization/22043
6886 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6887 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6888 If ALLOW_FLEXARR, handle types ending with flexible array member.
6889 Pass false as second argument to recursive count_type_elements calls.
6890 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6891 argument to count_type_elements call.
6892 * tree-sra.c (decide_block_copy): Likewise.
6893 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6894 for a constant-sized object, set cleared as well. Pass true as
6895 second argument to count_type_elements call.
6897 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6900 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6901 from legitimate_small_data_p, and make global. Update use.
6902 Remove forward declaration.
6903 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6905 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6907 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6909 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6910 of scratch intermediates.
6911 (eq<mode>_compare): Same.
6912 (neg_eq0<mode>): New.
6913 (neg_eq<mode>): Convert to define_insn_and_split.
6915 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6918 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6919 stdarg functions, set/clear the fp marker even when no variable
6921 * config/rs6000/sysv4.opt (mprototype): Describe.
6923 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6925 PR rtl-optimization/23478
6926 * regs.h (reg_info): Add throw_calls_crossed.
6927 (REG_N_THROWING_CALLS_CROSSED): Define.
6928 * flow.c (allocate_reg_life_data): Initialize
6929 REG_N_THROWING_CALLS_CROSSED.
6930 (propagate_one_insn, attempt_auto_inc): Update
6931 REG_N_THROWING_CALLS_CROSSED.
6932 * global.c (global_alloc): Don't allocate pseudos across
6933 calls that may throw.
6935 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6938 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6939 value is inbetween the range if we did not find an exact match.
6941 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6943 * doc/invoke.texi (Option Summary): Add ms1 options.
6944 * doc/extend.texi: Document interrupt handler attribute for ms1.
6945 * doc/md.texi: Document ms1 constraints.
6946 * config.gcc: Add ms1-*-elf.
6947 * config/ms1/ms1.h: New.
6948 * config/ms1/ms1.c: New.
6949 * config/ms1/ms1.md: New.
6950 * config/ms1/ms1-protos.h: New.
6951 * config/ms1/ABI.txt: New.
6952 * config/ms1/crti.asm: New.
6953 * config/ms1/crtn.asm: New.
6954 * config/ms1/lib2extra-funcs.c: New.
6955 * config/ms1/t-ms1: New.
6956 * config/ms1/ms1.opt: New.
6958 2005-08-22 Ira Rosen <irar@il.ibm.com>
6960 * config/rs6000/altivec.md (xorv4sf3): New.
6961 (negv4sf2, neg<mode>2): Likewise.
6963 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6966 * config/ia64/ia64.md (divsi3): Check divide by zero.
6967 (udivsi3): Likewise.
6969 (udivdi3): Likewise.
6971 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6973 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6974 up to elem_bitsize bits, not max_bitsize.
6976 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6978 PR tree-optimization/23433
6979 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6980 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6982 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6984 PR tree-optimization/23434
6985 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6986 the iteration bound is not an INTEGER_CST.
6988 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6990 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6991 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6992 NULL if need_epilog_adjust is false.
6993 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6994 Case 3 always peels first itration, not just for PLUS case, and no need
6995 to use scalar_initial_def here. Create an epilog adjustment only if
6996 scalar_initial_def is not NULL.
6998 (vectorizable_reduction): Remove assert.
7000 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7003 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7004 (__moddi3): Likewise.
7005 (__udivdi3): Likewise.
7006 (__umoddi3): Likewise.
7007 (__divsi3): Likewise.
7008 (__modsi3): Likewise.
7009 (__udivsi3): Likewise.
7010 (__umodsi3): Likewise.
7012 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7014 * tree-pass.h (TDF_GRAPH): Define.
7015 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7016 * passes.c (finish_optimization_passes): Only call
7017 finish_graph_dump_file if TDF_GRAPH is set.
7018 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7019 NULL. Set TDF_GRAPH bit.
7020 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7022 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7024 * arm.h (arm_stack_offsets): Add locals_base field.
7025 * arm.c (arm_get_frame_offsets): Compute it.
7026 (thumb_compute_initial_elimination offset): Make the Thumb frame
7027 pointer point to the base of the local variables.
7028 (thumb_expand_prologue): Update accordingly.
7029 (thumb_expand_epilogue): Likewise.
7031 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7032 mode of clobbered scratch to DImode. Handle a case that's known to
7035 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7037 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7038 (gt0<mode>_compare): Delete.
7039 (neg_gt0<mode>): Delete.
7041 2005-08-19 Eric Christopher <echristo@apple.com>
7043 * optabs.h: Change CTI_ to COI_.
7046 2005-08-19 James E Wilson <wilson@specifix.com>
7048 * builtins.c (expand_builtin_return_addr): Set
7049 current_function_accesses_prior_frames when count != 0. Use
7050 frame_pointer_rtx when count == 0.
7051 * function.h (struct function): Add accesses_prior_frames field.
7052 (current_function_accesses_prior_frames): Define.
7053 * reload1.c (init_elim_table): Check
7054 current_function_accesses_prior_frames.
7055 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7057 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7059 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7060 indicator. Return true if the flowgraph changed during
7063 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7066 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7067 conditional expression before testing its value.
7069 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7071 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7073 2005-08-19 Devang Patel <dpatel@apple.com>
7075 PR tree-optimization/23048
7076 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7077 third parameter. Check whether latch is dominated by exit
7079 (if_convertible_loop_p): Supply exit block itself to
7080 if_convertible_bb_p.
7082 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7085 * arm.md (arm_load_pic_register): Change argument to the mask of
7086 saved registers. Call thumb_find_work_register if we need a
7087 scratch register on Thumb.
7088 (arm_expand_prologue): Pass empty register set to
7089 arm_load_pic_register.
7090 (thumb_expand_prologue): Pass live_regs_mask directly to
7091 arm_load_pic_register.
7092 * arm-protos.h (arm_load_pic_register): Update prototype.
7094 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7096 * sh.c (find_sole_member): New function.
7097 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7098 if the record's alignment is larger than the size of its only member.
7100 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7103 * arm.c (thumb_legitimize_reload_address): New function.
7104 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7105 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7107 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7109 * config/crx/crx.c: Implement crx_decompose_address. Reject
7110 symbolic displacements since CRX register relative adressing
7111 mode can't handle unsigned 32-bit values as displacements.
7112 * config/crx/crx.h: Simplify definitions, remove redundant
7113 parenthesis and obsolete macros.
7114 * config/crx/crx.opt: Add new switch for debugging addresses.
7115 * config/crx/crx-protos.h: Add new declarations for above.
7117 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7120 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7123 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7125 * collect2.c (dup2): Delete.
7126 * configure.ac: Don't check for dup2.
7128 * config.in, configure: Regenerate.
7130 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7132 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7133 record with the type of its only member.
7135 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7137 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7138 define_insn_and_split.
7139 (plus_ltu<mode>_compare): Same.
7140 (gtu<mode>_compare): Same.
7141 (plus_gtu<mode>_compare): Same.
7143 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7145 PR tree-optimization/22228
7146 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7148 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7149 are recorded in vect_vnames_to_rename for renaming.
7150 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7151 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7152 in vect_vnames_to_rename.
7153 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7154 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7156 2005-08-18 Jan Hubicka <jh@suse.cz>
7159 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7160 info only for local statics, not for member variables.
7162 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7164 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7166 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7168 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7170 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7173 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7175 2005-08-17 James E Wilson <wilson@specifix.com>
7177 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7180 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7182 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7183 (leu<mode>_compare): Same.
7184 (plus_leu<mode>): Same.
7185 (neg_leu<mode>): Same.
7186 (and_neg_leu<mode): Same.
7187 (ltu<mode>_compare): Same.
7188 (plus_ltu<mode>): Same.
7190 (geu<mode>_compare): Same.
7191 (plus_geu<mode>): Same.
7192 (neg_geu<mode>): Same.
7193 (and_neg_geu<mode>): Same.
7194 (plus_gt<mode>): Same.
7195 (gtu<mode>_compare): Same.
7196 (plus_gtu<mode>): Same.
7198 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7200 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7201 Move call_table_data to end. Delete spurious .text.
7202 (callt_save_all_interrupt): Fix comment typo.
7204 2005-08-17 James E Wilson <wilson@specifix.com>
7205 Kevin Winchester <winchester@amirix.com>
7208 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7210 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7213 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7214 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7216 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7218 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7219 record with the type of its only member if the modes don't match.
7221 * varasm.c (decode_reg_name): Skip empty additional register names.
7223 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7225 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7226 lsm_tmp_name_length): New.
7227 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7228 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7230 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7231 Andreas Krebbel <krebbel1@de.ibm.com>
7233 * config.gcc: Added z9-109 switch.
7234 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7235 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7236 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7237 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7238 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7239 for "z9_109" cpu attribute.
7240 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7241 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7242 (s390_handle_arch_option): Added z9-109 switch.
7243 (override_options): Set respective cost function for z9-109.
7244 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7245 (legitimate_reload_constant_p): Accept extended immediates.
7246 (print_operand): Three new output modifiers added: k, m and o.
7247 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7248 (s390_output_mi_thunk): Use extended immediate when possible.
7249 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7250 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7251 (CONSTRAINT_LEN): Added length of O constraint.
7252 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7253 * config/s390/s390.md ("cpu"): New value z9_109 added.
7254 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7255 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7256 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7257 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7258 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7259 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7260 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7261 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7262 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7263 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7264 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7265 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7266 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7267 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7268 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7270 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7271 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7272 insns for TARGET_EXTIMM.
7274 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7276 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7278 2005-08-17 Nick Clifton <nickc@redhat.com>
7280 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7281 Call default_encode_section_info.
7283 2005-08-17 Steven Bosscher <stevenb@suse.de>
7285 PR tree-optimization/21574
7286 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7287 constant, return CONSTANT.
7288 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7289 (ccp_fold, visit_assignment): Likewise.
7290 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7292 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7294 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7295 fold_buildN instead of buildN then fold_initializer or fold.
7296 (build_unary_op): Likewise.
7297 (build_binary_op): Likewise.
7298 * fold-const.c (fold_initializer): Remove.
7299 (fold_build1_initializer): New function.
7300 (fold_build2_initializer): New function.
7301 (fold_build3_initializer): New function.
7302 * tree.h (fold_initializer): Remove.
7303 (fold_build1_initializer): New function.
7304 (fold_build2_initializer): New function.
7305 (fold_build3_initializer): New function.
7307 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7309 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7310 (try_move_mult_to_index): Call fold_build2 instead of build2.
7311 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7312 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7313 fold_binary_to_constant.
7314 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7316 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7317 check if A == gcd (A, B). Remove TYPE argument.
7318 (analyze_offset) Use fold_build2 instead of fold (build.
7319 (create_data_ref): Likewise.
7320 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7321 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7324 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7326 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7327 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7329 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7332 * gimplify.c (zero_sized_type): New function.
7333 (gimplify_modify_expr_rhs): If we have a zero sized type,
7334 replace the statement with an empty statement.
7336 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7338 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7341 2005-08-16 Ian Lance Taylor <ian@airs.com>
7343 * doc/tm.texi (Label Output): Correct typo.
7345 2005-08-16 Steven Bosscher <stevenb@suse.de>
7348 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7349 force_operand will work later on using have_insn_for.
7351 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7353 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7355 2005-08-16 Ian Lance Taylor <ian@airs.com>
7358 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7359 vector type, don't try to construct it element by element. Add an
7360 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7362 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7364 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7366 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7368 * doc/invoke.texi (Precompiled Headers): Document some more options
7369 which are known to be safe.
7371 2005-08-16 James E Wilson <wilson@specifix.com>
7373 PR tree-optimization/21105
7374 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7375 TREE_OVERFLOW check.
7377 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7379 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7380 (neg_ltu<mode>): Same.
7382 (neg_gtu<mode>): Same.
7384 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7386 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7387 (fold_builtin_isdigit): Use fold_buildN.
7388 (build_function_call_expr): Likewise.
7389 * c-typeck.c (c_finish_loop): Likewise.
7391 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7392 Richard Shann <rshann@superh.com>
7394 PR middle-end/20396:
7395 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7397 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7399 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7401 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7404 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7405 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7408 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7411 * fold-const.c (build_range_check): Disable optimization for function
7412 pointer expressions on targets that require function pointer
7415 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7417 * simplify-rtx.c (simplify_const_relational_operation): When
7418 extracting arguments of a COMPARE, recompute the mode as well.
7420 2005-08-15 Ian Lance Taylor <ian@airs.com>
7422 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7424 2005-08-15 DJ Delorie <dj@redhat.com>
7426 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7428 (movsi_splittable): Allow, but split, moves to the stack.
7429 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7432 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7434 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7435 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7436 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7438 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7439 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7440 Delete HOST_PTR_PRINTF.
7442 * configure, config.in: Regenerate.
7444 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7446 * config/rs6000/rs6000.md (QHSI): New mode macro.
7447 (wd): Extend mode attr for QImode and HImode
7448 (dbits): New mode attr.
7449 (zero_extend<mode>di2): Convert to mode macro.
7451 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7454 * doc/invoke.texi (-mgnu-ld): Update description.
7457 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7460 * Makefile.in (tree-chrec.o): Depends on real.h.
7461 * tree-chrec.c: Include real.h.
7462 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7463 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7464 * tree-scalar-evolution.c (add_to_evolution_1,
7465 interpret_rhs_modify_expr): Ditto.
7467 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7470 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7471 step is negative compute the estimation from init downwards to zero.
7473 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7475 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7477 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7479 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7481 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7482 Accept double-word constants that can be split.
7483 * config/s390/s390.md ("movti"): Use 'P' constraint.
7484 ("*movdi_31", "*movdf_31"): Likewise.
7486 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7488 Fix PR tree-optimization/22615
7490 * tree-ssa-structalias.c (solution_set_add): Handle
7491 first_vi_for_offset returning NULL.
7492 (do_da_constraint): Ditto.
7493 (do_sd_constraint): Ditto.
7494 (do_ds_constraint): Ditto
7495 (find_func_aliases): Ditto.
7496 (build_constraint_graph): RHS is allowed be ANYTHING.
7497 (first_vi_for_offset): Return NULL if we couldn't find anything at
7500 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7502 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7503 over memory as first operand.
7505 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7508 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7509 available for setting it.
7511 2005-08-14 Ira Rosen <irar@il.ibm.com>
7513 PR tree-optimization/23320
7514 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7515 data-refs' types instead of base object nullness. Add check for
7516 pointer type data-refs before first location comparison. Remove
7519 2005-08-14 Andreas Schwab <schwab@suse.de>
7521 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7523 2005-08-13 James E Wilson <wilson@specifix.com>
7525 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7526 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7527 -fstack-protector-all, --param ssp-buffer-size): Document.
7528 (-Wvariadic-macros): Alphabetize.
7529 (-fsched-stalled-insns-dep): Add missing 'f'.
7531 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7534 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7536 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7537 or indirect address operand.
7538 (EXTRA_ADDRESS_CONSTRAINT): New.
7539 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7541 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7543 PR tree-optimization/22236
7544 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7545 successors and predecessors.
7546 * tree-chrec.c (chrec_convert): Before converting, check that
7547 sequences don't wrap.
7548 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7549 (analyze_array): Extern.
7550 (find_data_references_in_loop): Remove call to
7551 compute_estimated_nb_iterations.
7552 * tree-data-ref.h (analyze_array): Declared.
7553 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7554 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7555 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7556 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7558 * tree-ssa-loop-ivcanon.c: Fix documentation.
7559 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7560 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7561 (infer_loop_bounds_from_undefined): New.
7562 (estimate_numbers_of_iterations_loop): Use
7563 infer_loop_bounds_from_undefined.
7564 (used_in_pointer_arithmetic_p): New.
7565 (scev_probably_wraps_p): Pass an extra parameter. Call
7566 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7567 (convert_step): Fix documentation.
7568 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7569 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7570 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7571 scev_probably_wraps_p.
7573 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7575 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7576 (s390_register_info): Ignore clobbered_regs information for fixed
7577 registers, and only fixed registers.
7578 (s390_init_frame_layout): Remove redundant call.
7580 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7582 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7583 description of -Wold-style-casts.
7585 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7586 Jakub Jelinek <jakub@redhat.com>
7588 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7589 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7590 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7591 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7592 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7593 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7594 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7595 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7596 ("stack_protect_set", "stack_protect_test"): New expanders.
7597 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7598 "stack_protect_testdi"): New insn definitions.
7600 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7602 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7604 2005-08-12 Paul Brook <paul@codesourcery.com>
7606 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7608 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7610 * config/s390/predicates.md (setmem_operand): New predicate.
7611 (shift_count_operand): Accept ANDs with special constants as
7613 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7614 with special constants.
7615 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7616 shift_count_operand with setmem_operand.
7618 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7620 * config/s390/s390.c (s390_extract_part, s390_single_part):
7622 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7623 (s390_output_mi_thunk): Don't use lg on 31 bit.
7624 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7625 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7627 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7629 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7630 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7631 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7632 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7633 with one of the new macros.
7635 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7637 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7638 Don't set save_return_addr_p.
7639 (s390_register_info): Make clobbered_regs not depending on
7642 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7644 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7645 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7647 2005-08-11 James E. Wilson <wilson@specifix.com>
7649 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7651 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7653 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7654 locations gathered by var-tracking in single entry loc_list
7655 over loc_descriptor_from_tree.
7657 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7658 pass it down to loc_descriptor.
7659 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7660 (containing_function_has_frame_base): Move earlier in the file.
7661 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7662 instead of always assuming fbreg can't be used.
7664 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7666 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7667 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7668 Accept address wrapped in AND for Altivec.
7669 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7670 Strip AND wrapping offset address for Altivec.
7672 2005-08-11 Richard Henderson <rth@redhat.com>
7675 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7676 before using TYPE_IS_SIZETYPE.
7678 2005-08-11 Richard Henderson <rth@redhat.com>
7681 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7682 insn types not present on ev4.
7683 (alphaev5_insn_pipe): Similarly.
7685 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7688 * arm.c (arm_override_options): If the user has selected callee-super-
7689 interworking, then enable normal interworking.
7691 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7693 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7696 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7698 * doc/rtl.texi: Fix two typos.
7700 2005-08-11 Richard Guenther <rguenther@suse.de>
7703 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7704 cases where we call to/from functions returning void.
7706 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7709 * tree.c (build_pointer_type_for_mode): Robustify.
7711 2005-08-10 James E Wilson <wilson@specifix.com>
7713 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7714 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7716 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7719 2005-08-10 Eric Christopher <echristo@apple.com>
7721 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7722 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7725 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7728 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7729 for the high part when generating dynamic-no-pic code.
7731 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7733 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7734 (x86_64-*-linux*): Likewise.
7736 * config/i386/crtfastmath.c: New file.
7737 * config/i386/t-crtfm: Likewise.
7739 * config/i386/linux.h (ENDFILE_SPEC): New.
7740 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7742 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7745 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7747 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7748 (vec_shl, vec_shr): Document new operations.
7749 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7751 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7753 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7754 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7755 change predicate to indexed_or_indirect_address.
7757 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7759 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7760 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7761 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7762 and __aeabi_uwrite8.
7763 * config/arm/unaligned-funcs.c: New file.
7764 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7766 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7768 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7770 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7771 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7773 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7774 * final.c (pass_shorten_branches): Add dump.
7775 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7776 (pass_life): Rename dump.
7777 (rest_of_handle_flow2): Remove initial verify_flow_info.
7778 * function.c (pass_instantiate_virtual_regs): Add dump.
7779 * integrate.c (pass_initial_value_sets): Add dump.
7780 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7781 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7782 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7783 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7784 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7785 gate_rtl_unrool_and_peel_loops): New.
7786 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7787 rtl_doloop): Do not look at flags.
7788 * mode-switching.c (pass_mode_switching): Add dump.
7789 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7790 pass_split_before_regstack): Add dump.
7791 * regmove.c (pass_stack_adjustments): Add dump.
7792 * tree-optimize.c (pass_fixup_cfg): Add dump.
7794 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7797 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7798 deciding which instruction sequence to use.
7800 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7802 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7803 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7805 2005-08-09 Richard Guenther <rguenther@suse.de>
7807 * c-common.c (builtin_function_2): Remove.
7808 (def_builtin_1): New function.
7809 (c_common_nodes_and_builtins): Use def_builtin_1 to
7810 build builtin functions.
7812 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7814 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7815 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7816 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7819 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7821 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7822 fold_binary instead of fold_build2 since we don't care about the
7824 (loop_niter_by_eval): Likewise.
7825 (compare_trees): Likewise.
7826 (proved_non_wrapping_p): Likewise.
7828 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7832 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7833 if the if is really empty.
7835 2005-08-09 Steven Bosscher <stevenb@suse.de>
7837 PR tree-optimization/23234
7838 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7839 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7840 argument of the new enum.
7841 (execute_cse_reciprocals): Add reciprocals for function arguments
7842 on the unique successor edge of the entry block. Update other calls
7843 to execute_cse_reciprocals_1.
7845 2005-08-08 Richard Henderson <rth@redhat.com>
7848 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7850 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7852 * expr.c (write_complex_part): Return after handling MEM.
7854 2005-08-08 Josh Conner <jconner@apple.com>
7856 PR rtl-optimization/23241
7857 * combine.c (simplify_comparison): Fix error in determining
7858 whether to lift a subreg from comparison.
7860 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7863 * config/rs6000/altivec.md (vec_init<mode>): New.
7864 (vec_set<mode>): New.
7865 (vec_extract<mode>): New.
7866 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7867 (rs6000_expand_vector_set): New.
7868 (rs6000_expand_vector_extract): New.
7869 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7870 for Altivec modes before reload.
7871 (altivec_expand_vec_init_builtin): New.
7872 (get_element_number): New.
7873 (altivec_expand_vec_set_builtin): New.
7874 (altivec_expand_vec_ext_builtin): New.
7875 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7877 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7879 * config/rs6000/rs6000.h (rs6000_builtins): Add
7880 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7881 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7882 * config/rs6000/rs6000-protos.h: Declare new functions.
7884 2005-08-08 Jan Hubicka <jh@suse.cz>
7886 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7887 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7888 * i386.md (movdi*): Use pic_32bit_operand.
7889 * predicates.md (pic_32bit_operand): New.
7891 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7894 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7896 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7898 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7899 (test_for_singularity): Use fold_build2.
7901 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7903 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7905 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7907 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7908 (COMMON_ASM_OP) Define.
7909 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7910 (ix86_encode_section_info): Likewise.
7911 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7912 SUBTARGET_ENCODE_SECTION_INFO.
7914 2005-08-06 Richard Henderson <rth@redhat.com>
7917 * tree-nested.c (convert_local_reference): Save and restore val_only
7918 around component_ref and friends. Clear walk_subtrees by default.
7920 2005-08-06 Peter O'Gorman <peter@pogma.com>
7923 * gcc.c (process_command): Check the argument to -b has a dash.
7924 * doc/invoke.texi: Update -b and -V docs.
7926 2005-08-06 James E Wilson <wilson@specifix.com>
7928 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7930 2005-08-06 Michael Matz <matz@suse.de>
7932 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7933 member only if only one insn is associated with the value.
7935 2005-08-06 Nick Clifton <nickc@redhat.com>
7937 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7939 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7940 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7941 Check symbol flags instead of symbol name mangling.
7942 (xstormy16_asm_output_aligned_common): Likewise. Also
7943 simplify code since the bss100_section cass is the only case
7944 where the below100 code will be triggered.
7945 (xstormy16_encode_section_info): Encode below100 attribute
7946 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7948 (xstormy16_strip_name_encoding): Delete - this function is no
7950 (TARGET_STRIP_NAME_ENCODING): Undefine.
7951 * config/stormy16/stormy16-protos.h: Delete prototype for
7952 xstormy16_strip_name_encoding.
7954 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7956 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7957 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7958 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7959 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7960 config/alpha/predicates.md, config/arc/arc.h,
7961 config/arm/arm.h, config/arm/ieee754-df.S,
7962 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7963 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7964 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7965 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7966 config/m68hc11/m68hc11.h, config/mips/mips.c,
7967 config/mips/mips.h, config/mips/openbsd.h,
7968 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7969 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7970 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7971 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7972 config/sparc/linux.h, config/sparc/linux64.h,
7973 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7974 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7975 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7976 typos. Follow spelling conventions.
7978 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7981 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7982 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7983 specially. Check for side effects only for COND_EXPR.
7984 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7985 return with TREE_NO_WARNING.
7987 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7989 PR rtl-optimization/23233
7990 * loop.c (combine_movables): Require the modes to be the same.
7991 (move_movables): Remove handling of cases where the replacement
7992 had a different mode to the original.
7994 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7996 PR tree-optimization/23128
7997 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7998 subtraction wrap, and set TREE_OVERFLOW if they do.
8000 2005-08-05 Richard Henderson <rth@redhat.com>
8003 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8004 FORCED_LABEL labels.
8006 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8009 * reload.c (find_reloads_subreg_address): Pass down TYPE
8010 unchanged. Change all callers except find_reloads_toplev.
8012 2005-08-05 Michael Matz <matz@suse.de>
8014 * genattrtab.c (current_alternative_string): Remove.
8015 (SIMPLIFY_ALTERNATIVE): Ditto.
8016 (attr_alt_bit_p): Ditto.
8017 (alternative_name): Make const char *.
8018 (evaluate_eq_attr): Remove use of above things.
8019 (simplify_test_exp): Ditto.
8020 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8021 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8023 2005-08-04 James E Wilson <wilson@specifix.com>
8025 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8026 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8027 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8028 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8029 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8031 2005-08-04 Richard Henderson <rth@redhat.com>
8034 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8035 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8036 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8037 if we'd have to instantiate too many members.
8039 2005-08-04 Richard Henderson <rth@redhat.com>
8042 * tree-outof-ssa.c (coalesce_asm_operands): New.
8043 (coalesce_ssa_name): Use it. Split out ...
8044 (coalesce_phi_operands, coalesce_result_decls): ... these.
8046 2005-08-04 Paul Brook <paul@codesourcery.com>
8048 * read-rtl.c (read_quoted_string): Break if EOF.
8050 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8052 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8053 (fold_build2): Likewise.
8054 (fold_build3): Likewise.
8055 (fold_build1_stat): New function prototype.
8056 (fold_build2_stat): Likewise.
8057 (fold_build3_stat): Likewise.
8058 * fold-const.c (fold_build1): Rename to ..
8059 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8060 through to build1_stat.
8061 (fold_build2): Rename to ..
8062 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8063 through to build2_stat.
8064 (fold_build3): Rename to ..
8065 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8066 through to build3_stat.
8068 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8069 Ian Lance Taylor <ian@airs.com>
8071 * function.c (assign_stack_local_1): Do not correct stack slot
8072 address if allocation size is smaller than mode size.
8074 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8077 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8078 (tree_merge_blocks): Propagate anything allowed by
8080 Clarify documentation.
8081 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8082 SSA form, schedule an update if necessary.
8084 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8086 * doc/install.texi (Binaries): Remove broken link to
8087 Sinix/Reliant Unix binaries.
8089 2005-08-03 Richard Henderson <rth@redhat.com>
8092 * function.c (stack_protect_epilogue): Export.
8093 * tree.h (stack_protect_epilogue): Declare.
8094 * calls.c (expand_call): Call it.
8096 2005-08-03 Eric Christopher <echristo@apple.com>
8098 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8099 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8102 2005-08-04 Jan Hubicka <jh@suse.cz>
8104 * profile.c (branch_prob): Split edges with goto locus on them
8105 to get proper line counts.
8106 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8108 2005-08-03 Paul Brook <paul@codesourcery.com>
8110 * function.c (assign_parms): Round current_function_args_size
8111 to PARM_BOUNDARY, not STACK_BOUNDARY.
8113 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8115 * config/i386/i386.c (x86_elf_aligned_common)
8116 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8118 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8120 PR tree-optimization/23157
8121 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8122 before emitting them.
8124 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8126 PR tree-optimization/19899
8127 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8128 * tree-scalar-evolution.c: Include real.h.
8129 (add_to_evolution): Build constant -1 of correct type.
8131 2005-08-03 Jan Hubicka <jh@suse.cz>
8133 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8134 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8135 profile updating for complette unrolling.
8136 * loop-unroll.c (peel_loop_completely): Use it.
8137 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8138 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8141 2005-08-03 Paul Brook <paul@codesourcery.com>
8143 * combine.c (can_change_dest_mode): New function.
8144 (try_combine, simplify_set): Use it.
8146 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8148 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8151 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8153 * doc/install.texi (Specific): Adjust link to openavr.org.
8154 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8155 (Binaries): Adjust HP-UX Porting Center link.
8156 (Binaries): Adjust Free Software Foundation ordering link.
8158 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8160 * convert.c (convert_to_integer): Use fold_build1 instead of
8161 build1 when converting an integer to an integer.
8163 2005-08-02 Richard Henderson <rth@redhat.com>
8165 * combine.c (combine_instructions): Don't use reg_equal/equiv
8166 results if the mode doesn't match.
8168 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8170 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8171 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8173 2005-08-02 Richard Henderson <rth@redhat.com>
8176 * explow.c (memory_address): Remove special-case for
8177 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8179 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8182 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8183 number of calls to cleanup_tree_cfg_1.
8185 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8187 * doc/invoke.texi: document file extensions .F90 and .F95
8189 2005-08-02 Richard Guenther <rguenther@suse.de>
8191 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8192 positive if its first argument is positive.
8194 2005-08-02 Richard Guenther <rguenther@suse.de>
8196 PR tree-optimization/23177
8197 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8200 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8202 PR tree-optimization/23129
8203 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8204 varying for divisions with anti-ranges.
8206 2005-08-02 Jan Hubicka <jh@suse.cz>
8208 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8209 * tree-ssa-threadupdate.c (thread_block): Add it here.
8211 2005-08-01 James E Wilson <wilson@specifix.com>
8213 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8214 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8215 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8217 * config/mips/predicates.md (const_call_insn_operand): Add check for
8218 SYMBOL_REF_LONG_CALL_P.
8219 * doc/extend.texi (long_call): Document the new attribute.
8221 2005-08-01 Ian Lance Taylor <ian@airs.com>
8222 Richard Henderson <rth@redhat.com>
8224 * Makefile.in (RTL_BASE_H): Add real.h.
8225 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8227 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8229 * rtl.c (rtl_check_failed_code_mode): New.
8230 * rtl.h (struct rtx_def): Add u.rv.
8231 (XCMWINT, XCNMPRV): New.
8232 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8233 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8235 2005-08-01 Richard Henderson <rth@redhat.com>
8237 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8238 with auto-inc codes.
8240 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8242 2005-08-01 Jan Hubicka <jh@suse.cz>
8244 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8245 * i386.c: Include dwarf2.h
8246 (asm_preferred_eh_data_format): New.
8247 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8249 2005-08-01 Ian Lance Taylor <ian@airs.com>
8251 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8252 randomize_va_space for virtual address randomization control.
8254 2005-08-01 Steven Bosscher <stevenb@suse.de>
8256 * common.opt (flag_ipa_cp): Put in right place to maintain
8259 2005-08-01 Jan Hubicka <jh@suse.cz>
8261 * profile.c (compute_value_histograms): Fix thinko.
8262 * value-prof.c: Include toplev.h
8263 (check_counter): New function.
8264 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8265 tree_mod_subtract_transform): Add sanity check.
8267 2005-08-01 Richard Guenther <rguenther@suse.de>
8269 PR tree-optimization/23133
8270 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8271 current functions parameter decls to find defs to cse
8274 2005-08-01 Richard Guenther <rguenther@suse.de>
8276 PR tree-optimization/23109
8277 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8278 If trapping math is in effect, use post-dominator information
8279 to check if we'd in any case reach a trapping point before
8280 doing the reciprocal insertion.
8281 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8282 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8283 expressions are invariant only if trapping math is not in effect.
8285 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8287 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8288 cgraph_function_versioning): New declarations.
8289 * cgraphunit.c: Add include to ipa-prop.h.
8290 (update_call_expr, cgraph_copy_node_for_versioning,
8291 cgraph_function_versioning): New functions.
8292 * integrate.c (copy_decl_for_inlining): Remove.
8293 * ipa-prop.h (ipa_replace_map): New struct.
8294 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8295 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8296 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8297 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8298 ipcp_iterate_stage, ipcp_method_scale_print,
8299 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8300 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8301 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8302 ipcp_update_bb_counts, ipcp_update_profiling,
8303 ipcp_update_edges_counts): New functions.
8304 (ipcp_method_cval_init): Remove restriction regarding local methods.
8305 (ipcp_init_stage): Add ipcp_method_compute_scale.
8306 (ipcp_insert_stage): Add versioning.
8307 (ipcp_structures_print): Add ipcp_method_scale_print.
8308 (ipcp_driver): Dump profiling info.
8309 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8310 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8311 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8312 (struct inline_data): Add versioning_p, ipa_info, new fields.
8313 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8314 declare_return_variable): Replace calls to copy_decl_for_inlining with
8316 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8318 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8319 Add argument VERSIONING.
8320 (copy_arguments_for_versioning, copy_static_chain,
8321 function_versionable_p, tree_versionable_function_p,
8322 tree_function_versioning, replace_ref_tree): New functions.
8323 * tree-inline.h: Include varray.h.
8324 (tree_versionable_function_p, tree_function_versioning,
8325 tree copy_decl_for_dup): New declarations.
8327 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8329 * ipa-cp.c: New file. Contains IPCP specific functionality.
8330 * ipa-prop.h: New file. Contains structures/definitions that can be
8331 used by several interprocedural data flow optimizations (and also IPCP).
8332 * ipa-prop.c: New file.
8333 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8334 * common.opt: Add ipa-cp flag.
8335 * timevar.def: Add IPCP optimization.
8336 * tree-optimize.c (init_tree_optimization_passes): Schedule
8338 * tree-pass.h (pass_ipa_cp): Declare.
8340 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8342 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8343 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8344 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8345 config/i386/i386.c, config/mips/mips.h,
8346 config/rs6000/rs6000.h, config/sh/sh.c,
8347 config/stormy16/stormy16.c: Fix comment typos.
8349 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8352 * c-typeck.c (build_binary_op): Use common_type wrapper on
8354 (common_type): Update comment.
8356 2005-07-31 Steven Bosscher <stevenb@suse.de>
8359 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8360 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8361 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8363 2005-07-31 Jan Hubicka <jh@suse.cz>
8365 * pretty-print.h (pp_widest_integer): New macro.
8366 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8369 2005-07-31 Jan Hubicka <jh@suse.cz>
8371 * output.h (enum section_category): Export from varasm.c
8372 (categorize_decl_for_section): Likewise.
8373 * varasm.c (enum section_category): Kill.
8374 (categorize_decl_for_section): Make global.
8375 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8377 * i386.c (ix86_section_threshold): New static variable.
8378 (ix86_in_large_data_p, ix86_encode_section_info,
8379 x86_64_elf_unique_section,
8380 x86_64_elf_select_section): New functions.
8381 (TARGET_ENCODE_SECTION_INFO): Define
8382 (override_options): Enable medium model for PIC.
8383 (ix86_expand_prologue): Expand gen_set_got_rex64.
8384 (legitimate_constant_p): Handle new UNSPECs.
8385 (legitimate_pic_address_disp_p): Likewise.
8386 (legitimize_pic_address): Lower MEDIUM model addressing.
8387 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8388 (enum cmodel): Add MEDIUM_PIC.
8389 (SYMBOL_REF_FAR_ADDR_P): New macro.
8390 (SYMBOL_FLAG_FAR_ADDR): New flag.
8391 * i386.md (movdi): Support medium model.
8392 (set_got_rex64): New pattern.
8393 * i386.opt (mlarge-data-threshold): New flag.
8394 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8395 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8396 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8397 TARGET_ASM_UNIQUE_SECTION): New.
8399 * invoke.texi (-mlarge_data_threshold): Document
8401 2005-07-31 Jan Hubicka <jh@suse.cz>
8403 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8404 (coalesce_vars): Likewise.
8405 * tree-ssa-live.c (coalesce_cost): New.
8406 (build_tree_conflict_graph): Use coalesce_cost.
8407 * tree-ssa-live.h (coalesce_cost): Declare.
8409 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8411 * arm.md (all peepholes for post-increment operations): Delete.
8412 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8413 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8414 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8415 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8416 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8418 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8420 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8423 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8426 * doc/invoke.texi: Document -rdynamic.
8428 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8431 * c-parser.c (c_parser_parms_list_declarator): Call
8432 mark_forward_parm_decls.
8433 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8434 decls with visibility structure.
8436 2005-07-30 Paul Brook <paul@codesourcery.com>
8438 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8440 2005-07-30 Paul Brook <paul@codesourcery.com>
8442 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8444 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8446 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8448 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8451 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8452 nested function declarators.
8453 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8454 (grokparms): Call warn_if_shadowing for parameters used within the
8456 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8457 not used within the parameter list.
8458 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8460 2005-07-30 Jan Hubicka <jh@suse.cz>
8462 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8463 * i386.c (ix86_fixup_binary_operands): Likewise.
8464 (ix86_expand_unary_operator): Likewise.
8465 (ix86_expand_fp_absneg_operator): Likewise.
8466 * optabs.c (expand_vec_cond_expr): Validate dest.
8468 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8471 * real.c (real_from_string): Also set last bit if there is a
8472 nonzero hex digit beyond GCC's internal precision after ".".
8474 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8476 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8477 define_constants. Change duplicate values to unassigned numbers.
8478 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8479 (*altivec_vspltsf): New.
8480 (altivec_vperm_v4sf): Delete.
8481 (altivec_vperm_<mode>): Use mode macro V.
8482 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8483 (altivec_predicate_v4sf): Delete.
8484 (altivec_predicate_<mode>): Use mode macro V.
8485 (*altivec_lvesfx): New.
8486 (*altivec_stvesfx): New.
8487 (vec_realign_load_v4sf): Delete.
8488 (vec_realign_load_<mode>): Use mode macro V.
8489 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8492 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8495 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8497 * configure: Regenerated.
8499 2005-07-29 Paul Brook <paul@codesourcery.com>
8501 * doc/install.texi: Add link to GFortran binaries wiki page.
8503 2005-07-29 David Ung <davidu@mips.com>
8505 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8506 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8507 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8508 * config/mips/mips.md (cpu): Add 5kf name.
8509 (includes): Includes 5k.md.
8510 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8511 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8514 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8517 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8518 (cleanup_tree_cfg): ... here.
8519 Call cleanup_tree_cfg_1 until there are no more cleanups to
8522 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8524 * tree-vrp.c (compare_range_with_value): Return true or false
8525 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8526 EQ_EXPR respectively.
8528 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8530 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8533 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8535 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8536 (tree_ssa_dominator_optimize): Increment it.
8537 (dump_dominator_optimization_stats): Print it.
8539 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8540 Steven Bosscher <stevenb@suse.de>
8542 PR rtl-optimization/23117
8543 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8544 when head == tail. Tidy comment.
8546 2005-07-28 Richard Henderson <rth@redhat.com>
8548 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8549 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8550 * jump.c (rtx_renumbered_equal_p): Likewise.
8551 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8552 CONST_INT and CONST_DOUBLE.
8553 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8554 * reload.c (operands_match_p): Special case CONST_INT and
8555 CONST_DOUBLE; check mode earlier.
8557 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8560 * c-typeck.c (convert_for_assignment): Do not check
8561 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8563 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8566 * c-typeck.c (composite_type): Prefer constant size arrays to
8569 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8572 * real.c (real_from_string): Set last bit if there is a nonzero
8573 hex digit beyond GCC's internal precision.
8575 2005-07-28 Richard Henderson <rth@redhat.com>
8578 * cfgcleanup.c (try_forward_edges): Watch out for end of
8581 2005-07-28 James E Wilson <wilson@specifixinc.com>
8584 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8586 2005-07-28 Jan Hubicka <jh@suse.cz>
8588 * Makefile.in (rtl-profile.o): Kill all traces of it.
8589 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8590 * coverage.h (rtl_coverage_counter_ref): Kill.
8591 * opts.c (flag_speculative_prefetching_set): Kill.
8592 (flag_loop_optimize_set): New.
8593 (common_handle_option): Disable loop optimizer when profiling;
8594 do not handle speculative prefetching.
8595 * passes.c (init_optimization_passes): Replace pass_profiling combo
8596 by branch_prob pass.
8597 * profile.c (compute_value_histograms): Update for simplified value
8599 (rtl_register_profile_hooks): Kill.
8600 (pass_profiling): Kill.
8601 (rest_of_handle_branch_prob): Do not profile.
8602 * toplev.c (process_options): Remove speculative prefetching.
8603 * toplev.h (flag_tree_based_profiling): Kill.
8604 * tree-profile.c (prepare_instrumented_value,
8605 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8606 tree_gen_one_value_profiler, do_tree_profiling): Update for
8607 simplified datastructures.
8608 * value-prof.c: Add comment that speculative prefetching was dropped;
8609 update rest of file for simplified datastructures.
8610 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8611 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8612 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8613 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8614 rtl_mod_subtract, gen_speculative_prefetch,
8615 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8616 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8617 (gate_handle_value_profile_transformations,
8618 rest_of_handle_value_profile_transformations,
8619 pass_value_profile_transformations): Kill.
8620 * value-prof.h (histogram_value_t): Remove IL based unions.
8621 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8622 rtl_profile_hooks): Remove hooks.
8624 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8626 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8627 (cgraph_clone_node): Likewise.
8628 * cgraph.h (cgraph_clone_edge): Update prototype.
8629 (cgraph_clone_node): Likewise.
8630 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8632 (lookup_recursive_calls): Consider profile.
8633 (cgraph_decide_recursive_inlining): Fix updating; use new
8634 probability argument; use profile.
8635 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8636 * tree-inline.c (copy_bb): Update clal of clone_edge.
8637 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8639 * invoke.texi (min-inline-recursive-probability): Document.
8641 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8643 * doc/install.texi (Configuration): Update Valgrind homepage.
8645 2005-07-28 Richard Henderson <rth@redhat.com>
8648 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8649 labels we want to delete.
8650 (cfg_layout_merge_blocks): Likewise.
8652 2005-07-28 Richard Henderson <rth@redhat.com>
8655 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8656 when expanding to nothing.
8658 2005-07-28 Josh Conner <jconner@apple.com>
8660 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8661 (cgraph_decide_inlining_of_small_functions): Likewise.
8663 2005-07-28 Josh Conner <jconner@apple.com>
8665 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8666 direction of badness if negative.
8667 (cgraph_default_inline_p): Add reason to parameters, and assign it
8669 (cgraph_decide_inlining_of_small_functions): New parameter in call
8670 to cgraph_default_inline_p.
8671 (cgraph_decide_inlining_incrementally): Likewise.
8672 * cgraphunit.c (decide_is_function_needed): Likewise.
8673 * cgraph.h (cgraph_default_inline_p): Likewise.
8675 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8677 * builtins.c: Fix comment typo(s).
8678 * genautomata.c: Likewise.
8679 * gimplify.c: Likewise.
8680 * tree-dfa.c: Likewise.
8681 * tree-flow-inline.h: Likewise.
8682 * tree-into-ssa.c: Likewise.
8683 * tree-ssa-alias.c: Likewise.
8684 * tree-ssa-ccp.c: Likewise.
8685 * tree-ssa-copy.c: Likewise.
8686 * tree-ssa-dce.c: Likewise.
8687 * tree-ssa-dom.c: Likewise.
8688 * tree-ssa-operands.c: Likewise.
8689 * tree-tailcall.c: Likewise.
8690 * tree-vectorizer.c: Likewise.
8691 * tree-vrp.c: Likewise.
8694 2005-07-28 Jeff Law <law@redhat.com>
8696 * tree-vrp.c (test_for_singularity): Extracted from ...
8697 (simplify_cond_using_ranges): Attempt to simplify a relational
8698 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8700 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8702 PR tree-optimization/22506
8703 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8704 phis whose argument is constant.
8706 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8708 PR rtl-optimization/18992
8709 Back out this patch:
8710 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8711 PR optimization/12142
8712 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8713 uses of the register in the SET_SRC. Remove unnecessary argument.
8715 Replace it with this:
8716 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8717 if flag_non_call_exceptions is set and the insn may trap, pass
8718 pc_rtx as dest for recursion.
8719 In SET_SRC part of SET case, if dest is already set, pass it down
8722 2005-07-28 Jan Hubicka <jh@suse.cz>
8724 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8725 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8726 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8728 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8729 profile when available.
8731 2005-07-28 Jan Beulich <jbeulich@novell.com>
8733 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8734 (ia64_print_operand): Describe and handle 'X'.
8735 (ia64_register_move_cost): Also handle FP_REGS.
8736 (ia64_preferred_reload_class): Likewise.
8737 (ia64_secondary_reload_class): Likewise.
8738 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8739 it. Also check for ITANIUM_CLASS_FLDP.
8740 * config/ia64/ia64.h (FP_REGNO_P): New.
8741 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8742 (reg_class): Add FP_REGS.
8743 (REG_CLASS_NAMES): Adjust for it.
8744 (REG_CLASS_CONTENTS): Likewise.
8745 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8746 (REG_CLASS_FROM_LETTER): Handle 'x'.
8747 (CLASS_MAX_NREGS): Handle FP_REGS.
8748 (MEMORY_MOVE_COST): Likewise.
8749 * config/ia64/ia64.md (itanium_class): Add fldp.
8750 (type): Handle fldp.
8751 (movti_internal): More allowable operand combinations. Use ldfp8 when
8752 splitting unnecessary. Remove predicable attribute. Adjust
8753 itanium_class attribute.
8754 (smuldi3_highpart): Remove outdated comment.
8755 (mulditi3, umulditi3, rotlti3): New expanders.
8756 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8757 (absti2): Disabled new insn for future reference.
8758 Respective new splitters.
8759 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8760 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8761 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8763 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8765 PR rtl-optimization/23047
8766 * simplify-rtx.c (simplify_const_relational_operation): Respect
8767 flag_wrapv for comparisons with ABS.
8769 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8771 PR tree-optimization/22493
8772 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8773 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8775 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8777 * config/frv/frv.opt (moptimize-membar): New.
8779 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8781 * config/frv/frv.h: Remove machine_function definition.
8783 * config/frv/frv.c (struct frv_io): New.
8784 (struct machine_function): Moved from frv.h. Add has_membar_p.
8785 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8786 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8787 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8788 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8789 (frv_reorg): Call frv_optimize_membar when appropriate.
8790 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8791 (frv_expand_builtin): Adjust calls accordingly.
8792 (frv_io_address_cookie): New function.
8793 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8794 load or store rather than a special insn. Add ccnstant address and
8795 io-type operands to the membar.
8796 (frv_ifcvt_modify_tests): Unsign regno.
8797 (frv_ifcvt_modify_tests): Same.
8799 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8800 UNSPEC_OPTIONAL_MEMBAR constant.
8801 (builtin_read_<mode>): Delete.
8802 (builtin_write_<mode>): Delete.
8803 ("optional_membar_<mode>"): Add operand.
8805 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8806 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8807 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8808 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8809 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8810 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8811 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8812 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8813 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8815 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8817 * df.c (df_uses_record): Handle SCRATCH.
8819 2005-07-28 Steven Bosscher <stevenb@suse.de>
8822 * passes.c (rest_of_decl_compilation): If decl is a type and
8823 we have encountered errors, don't emit debug information.
8825 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8827 * params.def: Fixed comment.
8829 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8832 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8833 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8834 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8836 2005-07-27 Steven Bosscher <stevenb@suse.de>
8839 * varasm.c (assemble_start_function): Don't do anything that may
8840 require a CFG if the current function is a thunk.
8842 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8844 * doc/install.texi (Prerequisites): Mention that perl is needed
8845 to do export control in libstdc++ targetting Darwin.
8847 2005-07-27 Steven Bosscher <stevenb@suse.de>
8849 PR rtl-optimization/17808
8850 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8851 (sched_insns_conditions_mutex_p): Split out from...
8852 (add_dependence): ...here. But don't call it from here.
8853 (add_dependence_list): Check sched_insns_conditions_mutex_p
8854 before calling add_dependence.
8855 (add_dependence_list_and_free): Likewise.
8856 (fixup_sched_groups): Likewise.
8857 (sched_analyze_1): Likewise.
8858 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8859 (sched_analyze): Likewise.
8860 (sched_analyze_insn): Likewise.
8861 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8862 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8863 dependencies on all COND_EXEC insns to jumps ending basic blocks
8864 when doing intrablock scheduling.
8865 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8867 2005-07-27 Jeff Law <law@redhat.com>
8869 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8870 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8871 equivalency sets, correctly handle the case were vr0 has an
8872 equivalency set, but vr1 does not.
8874 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8876 PR tree-optimization/23073
8877 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8878 vect_print_dump_info before fprintf.
8880 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8882 PR tree-optimize/22348
8883 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8884 Fold the partial computation.
8886 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8888 PR tree-optimization/22325
8889 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8891 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8893 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8894 (force_var_cost): ... this function.
8895 (compute_phi_arg_on_exit): Export.
8897 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8899 PR tree-optimization/20773
8900 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8903 2005-07-27 Richard Guenther <rguenther@suse.de>
8905 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8906 Avoid pushing again if current struct contains only
8907 fields we decomposed.
8909 2005-07-27 Jan Hubicka <jh@suse.cz>
8911 PR tree-optimization/22574
8912 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8915 * tree-tailcall.c (decrease_profile): New function.
8916 (eliminate_tail_call): Use it.
8918 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8919 visibility flags correctly in whole program mode.
8921 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8923 PR rtl-optimization/22472
8924 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8926 2005-07-26 Steven Bosscher <stevenb@suse.de>
8928 PR tree-optimization/22504
8929 * tree-complex.c (expand_complex_addition): Use 'code' instead
8930 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8932 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8934 * config.gcc (cpu_type): Add frv case.
8935 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8936 (supported_defaults): Add fr550 case.
8938 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8941 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8942 whether a pointer of type T * may point to objects of type T *.
8944 2005-07-26 DJ Delorie <dj@redhat.com>
8946 * configure: Regenerate.
8948 2005-07-26 Dale Johannesen <dalej@apple.com>
8950 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8952 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8954 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8955 Clarify use of "build" in name.
8957 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8959 * doc/extend.texi (Raw read/write Functions): New section.
8960 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8961 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8962 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8963 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8964 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8965 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8966 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8967 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8968 * config/frv/frv.c: Add bdesc_loads global.
8969 Add bdesc_stores global.
8970 (frv_init_builtins): Add support for __builtin_{read/write}*.
8971 (frv_volatile_memref): New.
8972 (frv_expand_load_builtin): New.
8973 (frv_expand_store_builtin): New.
8974 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8975 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8976 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8977 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8978 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8979 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8980 (builtin_read_<mode>): New.
8981 (builtin_write_<mode>): New.
8982 (builtin_write64): New.
8983 (optional_membar_<mode>): New.
8985 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8987 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8988 (rather than units) against HOST_BITS_PER_WIDE_INT.
8990 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8992 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8993 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8994 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8995 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8998 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8999 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9000 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9002 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9004 2005-07-26 Richard Guenther <rguenther@suse.de>
9006 PR tree-optimization/22486
9007 * fold-const.c (fold_unary): Fold away useless component
9008 references of the form (T *)&T.x, if the address
9011 2005-07-25 James E Wilson <wilson@specifixinc.com>
9013 * dwarf2out.c (add_call_src_coords_attributes): New.
9014 (gen_inlined_subroutine_die): Call it.
9015 (maybe_emit_file, init_file_table): Add comments.
9016 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9018 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9019 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9020 * tree.h (BLOCK_SOURCE_LOCATION): New.
9021 (struct tree_block): New field locus.
9023 2005-07-26 Andreas Schwab <schwab@suse.de>
9025 PR rtl-optimization/23043
9026 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9027 when allocating a struct unoccr.
9029 2005-07-25 Richard Henderson <rth@redhat.com>
9032 * tree-complex.c (gate_no_optimization): True if errors.
9033 * Makefile.in (tree-complex.o): Update dependencies.
9035 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9037 * config/frv/predicates.md (integer_register_operand): Use
9040 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9043 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9045 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9047 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9049 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9050 types when flag_unsafe_math_optimizations is true.
9052 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9054 * gcc.c (option_map): Add --sysroot.
9055 (process_command): Handle --sysroot.
9056 (display_help): Document it.
9057 * doc/cppopts.tex (-isysroot): Document.
9058 * doc/invoke.texi (--sysroot): Document.
9059 * doc/install.texi (--with-build-sysroot): Document.
9061 * Makefile.in (inhibit_libc): New variable.
9062 (INHIBIT_LIBC_CFLAGS): Likewise.
9063 (LIBGCC2_CFLAGS): Include
9064 $(INHIBIT_LIBC_CFLAGS).
9065 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9066 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9067 ($(T)crtend.o): Likewise.
9068 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9069 ($(T)crtendS.o): Likewise.
9070 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9071 ($(T)crtendT.o): Likewise.
9072 (stmp-fixinc): Do not complain about missing headers if
9074 * configure.ac (inhibit_libc): Set it to true/false.
9075 (--with-build-sysroot): New option. Use it to set
9077 * configure: Regenerated.
9079 2005-07-25 Manfred Hollstein <mh@suse.com>
9081 * calls.c (store_one_arg): Fix unsigned comparison warning.
9083 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9086 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9087 (ggc_print_statistics): Initialize variable before use.
9089 2005-07-25 Richard Guenther <rguenther@suse.de>
9091 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9092 calling with a PHI_NODE argument.
9094 * tree-flow-inline.h (overlap_subvar): Protect against
9097 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9099 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9100 * configure: Regenerate.
9102 2005-07-25 Ira Rosen <irar@il.ibm.com>
9104 * expr.c (highest_pow2_factor): Make extern.
9105 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9106 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9107 record_array_differ_p, array_ptr_differ_p): Likewise.
9108 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9109 additional cases. Call the above functions.
9110 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9111 base_object_differ_p when there are two base objects. Otherwise, compare
9112 base address and offset. Call may_alias_p.
9113 (dump_data_reference): Use a correct field name.
9114 (analyze_array): Make static. Initialize new data-ref fields.
9115 (analyze_indirect_ref): New function.
9116 (init_data_ref): Initialize new data-ref fields.
9117 (strip_conversion): Moved from tree-vect-analyze.c.
9118 (analyze_offset_expr, get_ptr_offset, address_analysis,
9119 object_analysis): Likewise.
9120 (analyze_offset): New function.
9121 (create_data_ref): Likewise.
9122 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9123 dimensions for ARRAY_REFs only.
9124 (build_classic_dist_vector): Make static.
9125 (access_functions_are_affine_or_constant_p): Call macro to get the
9126 address of access functions.
9127 (compute_all_dependences): Add new parameter
9128 compute_self_and_read_read_dependences. Compute self and read-read
9129 dependences if it is true.
9130 (find_data_references_in_loop): Call create_data_ref. Initialize new
9132 (compute_data_dependences_for_loop): Add new parameter
9133 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9134 compute nb_loops. Call compute_all_dependences,
9135 build_classic_dist_vector and build_classic_dir_vector with correct
9137 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9138 with correct parameters. Compare dimensions for ARRAY_REFs only.
9139 (free_data_refs): Call macro to free access functions.
9140 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9141 fields from stmt_vinfo.
9142 (struct base_object_info): New structure.
9143 (struct data_reference): Move fields to base_object_info. Add fields
9144 first_location and object_info for above structures. Move fields from
9145 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9146 aligned_to. Add macros to access the new fields.
9147 Update functions declarations.
9148 * tree-flow.h (is_aliased_with): Declare.
9149 * tree-loop-linear.c (linear_transform_loops): Call
9150 compute_data_dependences_for_loop with correct parameters.
9151 * tree-ssa-alias.c (is_aliased_with): New function.
9152 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9153 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9154 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9155 vect_base_addr_differ_p, compute_subscript_distance and
9156 build_classic_dist_vector. Add printings. Check absolute value of
9158 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9160 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9161 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9162 to bytes. Add printing.
9163 (vect_compute_data_refs_alignment): Go through loads and stores in one
9165 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9166 vect_analyze_data_ref_access): Likewise.
9167 (vect_analyze_pointer_ref_access): Remove.
9168 (vect_address_analysis, vect_object_analysis): Likewise.
9169 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9170 and analyze data-refs in the loop.
9171 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9172 fields of data-ref instead of stmt. Add init to the offset from the
9174 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9175 (vect_update_init_of_dr): Likewise.
9176 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9177 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9179 (new_loop_vec_info): Initialize new fields.
9180 (destroy_loop_vec_info): Free new fields.
9181 (vect_strip_conversion): Remove.
9182 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9183 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9184 datarefs. Add new field ddrs.
9185 Add macros for the new fields access.
9186 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9187 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9188 Remove their macros.
9189 * tree.h (highest_pow2_factor): Declare.
9191 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9193 * calls.c (store_one_arg): Check for sibling call MEM arguments
9194 from already clobbered incoming argument area.
9196 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9198 * c-common.c (check_missing_format_attribute): New.
9199 * c-common.h (check_missing_format_attribute): Likewise.
9200 * c-typeck.c (convert_for_assignment): Use it.
9202 2005-07-24 Andreas Schwab <schwab@suse.de>
9204 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9205 register use a word move. Correct operand of ext.w in 68000 code.
9207 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9209 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9210 variables as declarations, rather than definitions.
9212 2005-07-24 Ira Rosen <irar@il.ibm.com>
9214 PR tree-optimization/22526
9215 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9218 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9220 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9221 that C99 reserve for future use. Use it to define clog10,
9222 clog10f and clog10l.
9224 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9227 * configure.ac: Check for -Wmissing-format-attribute.
9229 * configure: Regenerate.
9231 2005-07-23 Richard Henderson <rth@redhat.com>
9233 PR tree-optimization/22623
9234 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9236 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9239 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9241 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9243 * Makefile.in (C_TREE_H): Update dependencies.
9244 * c-tree.h: Include toplev.h.
9245 * diagnostic.h (diagnostic_set_info): Add format attribute.
9246 * rtl-error.c (diagnostic_for_asm): Likewise.
9248 2005-07-23 Chao-ying Fu <fu@mips.com>
9250 * config/mips/mips-dsp.md: New file.
9251 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9252 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9254 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9255 MIPS_BUILTIN_BPOSGE32.
9256 (mips_expand_builtin_direct): Add one parameter to indicate that
9257 builtin functions need to return a value.
9258 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9260 (mips_regno_to_class): Add classes for 12 new DSP registers.
9261 (mips_subword): Change to check four HI registers.
9262 (mips_output_move): Output move to and from 6 new DSP accumulators.
9263 (override_options): Make sure -mdsp and -mips16 are not used together.
9264 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9266 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9268 (print_operand): Add 'q' for printing DSP accumulators.
9269 (mips_cannot_change_mode_class): Check ACC_REGS.
9270 (mips_secondary_reload_class): Check ACC_REGS.
9271 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9272 (mips_register_move_cost): Check ACC_REGS.
9273 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9274 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9275 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9276 (dsp_bdesc): New array.
9277 (bdesc_arrays): Add DSP builtin function table.
9278 (mips_prepare_builtin_arg): Check predicate again after
9280 (mips_expand_builtin): Add one more parameter to
9281 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9282 MIPS_BUILTIN_BPOSGE32.
9283 (mips_init_builtins): Initialize new function types.
9284 (mips_expand_builtin_direct): Check if builtin functions need to
9285 return a value and pass operands properly.
9286 (mips_expand_builtin_bposge): New function.
9287 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9288 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9289 (FIRST_PSEUDO_REGISTER): Increase to 188.
9290 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9291 Update for 12 new DSP registers.
9292 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9293 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9294 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9295 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9296 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9297 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9298 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9299 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9300 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9301 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9302 (REGISTER_NAMES): Add names for 12 new DSP registers.
9303 * config/mips/mips.md: Include mips-dsp.md.
9304 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9305 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9306 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9307 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9308 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9309 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9310 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9311 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9312 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9313 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9314 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9315 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9316 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9317 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9318 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9319 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9320 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9321 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9322 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9323 (UNSPEC_RDDSP): New constants.
9324 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9325 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9327 * config/mips/mips.opt (-mdsp): New option.
9328 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9329 (reg_imm10_operand): New predicates.
9330 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9331 * doc/invoke.texi (-mdsp): Document new option.
9333 2005-07-22 DJ Delorie <dj@redhat.com>
9335 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9337 * tree-inline.c (inlinable_function_p): Likewise.
9339 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9342 * toplev.c (check_global_declarations): Do not mark undefined
9343 variables as DECL_IGNORED_P.
9344 * varasm.c (first_global_object_name): GTY it.
9345 (weak_global_object_name): Likewise.
9346 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9347 a string to go into {weak,first}_global_object_name.
9349 2005-07-22 DJ Delorie <dj@redhat.com>
9351 * c-format.c (check_function_format): Change warning control
9352 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9354 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9356 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9357 &PTR->FLD a dereference of PTR.
9358 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9359 a potential dereference of PTR.
9361 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9363 PR rtl-optimization/20370
9364 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9365 call allocate_reg_info if necessary.
9367 PR rtl-optimization/21848
9368 * calls.c (emit_library_call_value_1): For const functions, add
9369 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9371 PR rtl-optimization/22445
9372 * cselib.c (target.h): Include.
9373 (rtx_equal_for_cselib_p): Allow commutative matches.
9374 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9375 Remove MODE parameter. Changed all callers.
9377 PR rtl-optimization/22258
9378 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9380 (try_combine): Use likely_spilled_retval_p.
9382 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9384 * config.gcc: Add crx-elf support.
9386 * doc/contrib.texi: Mention crx.
9387 * doc/extend.texi: Document crx extensions.
9388 * doc/install.texi: Document crx install.
9389 * doc/invoke.texi: Document crx options.
9390 * doc/md.texi: Document crx constraints.
9392 * config/crx/crx-protos.h: New file.
9393 * config/crx/crx.c: New file.
9394 * config/crx/crx.h: New file.
9395 * config/crx/crx.md: New file.
9396 * config/crx/crx.opt: New file.
9397 * config/crx/t-crx: New file.
9399 2005-07-22 Manfred Hollstein <mh@suse.com>
9401 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9403 (int_add_graph_edge): Likewise.
9404 (collapse_nodes): Likewise.
9405 (process_unification_queue): Likewise.
9407 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9408 Laurent GUERBY <laurent@guerby.net>
9410 PR tree-optimization/22336
9411 * function.c (record_block_change): Check for
9412 cfun->ib_boundaries_block.
9414 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9416 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9417 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9419 2005-07-21 DJ Delorie <dj@redhat.com>
9421 * toplev.c (warn_deprecated_use): Add warning control to warning
9423 * c-typeck.c (parser_build_binary_op): Likewise.
9424 (c_finish_if_stmt): Likewise.
9425 * c-common.c (check_function_sentinel): Likewise.
9426 (check_nonnull_arg): Likewise.
9428 2005-07-21 Richard Henderson <rth@redhat.com>
9431 * tree-complex.c (complex_ssa_name_components): New.
9432 (cvc_lookup): Allow entry not found.
9433 (create_components): Remove.
9434 (create_one_component_var, get_component_var): New.
9435 (get_component_ssa_name, set_component_ssa_name): New.
9436 (extract_component): Use get_component_ssa_name.
9437 (update_complex_components): Use set_component_ssa_name.
9438 (update_complex_components_on_edge): Likewise.
9439 (update_phi_components): Create new PHI nodes directly, instead
9440 of adding insns to edges.
9441 (tree_lower_complex): Allocate and free complex_variable_components
9442 and complex_ssa_name_components here.
9444 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9446 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9447 revert to returning false.
9449 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9452 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9454 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9457 * config/i386/i386.md (cmpxf): Change operand constraints
9458 to "nonmemory_operand".
9460 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9462 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9464 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9467 * fold-const.c (fold_build1): Add checksum for the operands.
9468 (fold_build2): Likewise.
9469 (fold_build3): Likewise.
9471 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9474 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9476 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9478 * common.opt (-fforward-propagate): Committed by mistake,
9481 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9483 * reg-stack.c: Fix comment typo(s).
9484 * tree-ssa-operands.c: Likewise.
9485 * tree-vectorizer: Likewise.
9487 2005-07-21 Nick Clifton <nickc@redhat.com>
9489 * config/sh/symbian.c: Replace C++ style line comments with C
9490 style line comments.
9491 (symbian_add_attribute): Do not use a ? operator on the LHS of
9493 (sh_symbian_handle_dll_attribute): Change the type of the
9494 method vector to "VEC(tree,gc)*" and use vector accessor
9495 macros to walk over the elements.
9496 (symbian_export_vtable_and_rtti_p): Likewise.
9497 (symbian_class_needs_attribute_p): Likewise.
9499 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9502 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9503 initialize targetm.resolve_overloaded_builtin here.
9504 (altivec_expand_overloaded_builtin): Make it non-static.
9505 * config/rs6000/rs6000-protos.h
9506 (altivec_expand_overloaded_builtin): New prototype.
9507 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9508 targetm.resolve_overloaded_builtin here.
9509 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9511 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9512 Zdenek Dvorak <dvorakz@suse.cz>
9514 PR tree-optimization/19210
9515 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9517 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9518 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9519 rely on unproven assumptions.
9520 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9521 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9522 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9523 to number_of_iterations_exit.
9524 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9525 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9526 * tree-ssa-loop-niter.c (find_loop_niter,
9527 estimate_numbers_of_iterations_loop): Likewise.
9528 (number_of_iterations_exit): Honor the new options.
9529 * doc/invoke.texi (Wunsafe-loop-optimizations,
9530 funsafe-loop-optimizations): Document them.
9532 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9534 PR rtl-optimization/22167
9535 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9537 2005-07-20 Adam Nemet <anemet@lnxw.com>
9539 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9540 __do_global_dtors_aux longcall.
9542 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9544 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9545 (old_special_pred_table): Don't reference
9546 SPECIAL_MODE_PREDICATES.
9547 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9548 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9549 * config/sh/predicates.h: Don't mention
9550 SPECIAL_MODE_PREDICATES.
9551 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9554 2005-07-20 DJ Delorie <dj@redhat.com>
9556 * config.gcc: Add m32c-elf support.
9558 * doc/contrib.texi: Mention m32c.
9559 * doc/extend.texi: Document m32c extensions.
9560 * doc/install.texi: Mention m32c.
9561 * doc/invoke.texi: Document m32c options.
9562 * doc/md.texi: Document m32c constraints.
9564 * config/m32c/addsub.md: New file.
9565 * config/m32c/bitops.md: New file.
9566 * config/m32c/cond.md: New file.
9567 * config/m32c/jump.md: New file.
9568 * config/m32c/m32c-lib1.S: New file.
9569 * config/m32c/m32c-lib2.c: New file.
9570 * config/m32c/m32c-modes.def: New file.
9571 * config/m32c/m32c-pragma.c: New file.
9572 * config/m32c/m32c-protos.h: New file.
9573 * config/m32c/m32c.abi: New file.
9574 * config/m32c/m32c.c: New file.
9575 * config/m32c/m32c.h: New file.
9576 * config/m32c/m32c.md: New file.
9577 * config/m32c/m32c.opt: New file.
9578 * config/m32c/minmax.md: New file.
9579 * config/m32c/mov.md: New file.
9580 * config/m32c/muldiv.md: New file.
9581 * config/m32c/predicates.md: New file.
9582 * config/m32c/prologue.md: New file.
9583 * config/m32c/shift.md: New file.
9584 * config/m32c/t-m32c: New file.
9586 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9588 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9589 (stack_protect_set, stack_protect_test): New expanders.
9590 (stack_protect_set_si, stack_protect_set_si_media,
9591 stack_protect_set_di_media, stack_protect_test_si,
9592 stack_protect_test_si_media, stack_protect_test_di_media):
9595 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9597 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9599 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9601 * tree.h (tree_expr_nonzero_p): Export.
9602 * fold-const.c (tree_expr_nonzero_p): Likewise.
9603 Return true for CALL_EXPRs that are alloca calls.
9604 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9606 * tree-flow.h (expr_computes_nonzero): Remove.
9607 * tree-vrp.c (expr_computes_nonzero): Remove.
9608 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9609 (extract_range_from_unary_expr): Likewise.
9610 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9611 tree_expr_nonzero_p.
9613 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9615 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9616 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9617 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9618 All callers changed.
9619 (frame_related_constant_load): New arg "related" which controls
9620 setting of RTX_FRAME_RELATED_P. All callers changed.
9621 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9622 (bfin_expand_prologue): Add stack limit checking.
9623 * config/bfin/bfin.md (trapifcc): New pattern.
9625 * config/bfin/bfin.c: Include "langhooks.h".
9626 (def_builtin): Go through lang_hooks to call builtin_function.
9628 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9629 * config/bfin/predicates.md (symbol_ref_operand): New.
9630 (call_insn_operand): Delete. All callers changed to use
9631 register_no_elim_operand.
9632 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9634 (function_arg): Use it to generate the call's operand 2.
9635 (bfin_longcall_p): New function.
9636 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9637 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9638 determine if the address needs to be in a REG.
9639 (bfin_handle_longcall_attribute): New function.
9640 (bfin_attribute_table): Add "longcall" and "shortcall".
9641 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9642 (CUMULATIVE_ARGS): New member call_cookie.
9643 (PREDICATE_CODES): Add symbol_ref_operand.
9644 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9645 extra USE to the pattern.
9646 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9647 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9648 sibcall_value_insn; now the new patterns handle direct calls and the
9649 old ones indirect calls.
9650 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9652 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9654 * doc/trouble.texi: Update section on handling of empty loops.
9656 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9658 * config.gcc: Remove support for sparc-*-openbsd*,
9659 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9661 * config.host: Remove support for i860-*-sysv4* as a host.
9662 * config/i860/*, config/ip2k/*, config/ns32k/*,
9663 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9664 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9665 mention obsolete ports.
9667 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9669 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9671 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9672 of frame_pointer_rtx.
9673 (sh_expand_epilogue): Likewise.
9674 (sh_set_return_address): Likewise.
9675 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9676 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9677 offsets from FRAME_POINTER_REGNUM.
9678 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9679 (sh_register_names): Add initializer for sfp.
9680 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9681 (VALID_REGISTER_P): Likewise.
9682 (FIRST_PSEUDO_REGISTER): Update.
9683 (DWARF_FRAME_REGISTERS): Define.
9684 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9685 (HARD_FRAME_POINTER_REGNUM): Define.
9686 (FRAME_POINTER_REGNUM): Redefine.
9687 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9688 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9689 from FRAME_POINTER_REGNUM.
9690 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9691 FRAME_POINTER_REGNUM.
9692 (REG_CLASS_CONTENTS): Add sfp.
9693 (REG_ALLOC_ORDER): Likewise.
9694 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9695 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9696 of frame_pointer_rtx.
9697 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9699 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9701 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9702 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9703 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9705 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9708 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9710 Make CONSTRUCTOR use VEC to store initializers.
9711 * c-common.c (complete_array_type): Update to cope with VEC in
9713 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9714 (pp_c_constructor_elts): New function.
9715 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9716 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9717 struct constructor_stack, struct initializer_stack,
9718 constructor_elements, push_init_level, pop_init_level,
9719 add_pending_init, find_init_member, output_init_element): Update to
9720 cope with VEC in CONSTRUCTOR_ELTS.
9721 * coverage.c (build_fn_info_value, build_ctr_info_value,
9722 build_gcov_info): Likewise.
9723 * expr.c (categorize_ctor_elements_1, store_constructor,
9724 expand_expr_real_1): Likewise.
9725 * fold-const.c (fold_ternary): Likewise.
9726 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9727 gimplify_init_constructor, gimplify_expr): Likewise.
9728 * tree-dump.c (dequeue_and_dump): Likewise.
9729 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9731 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9733 * tree-sra.c (generate_element_init_1): Likewise.
9734 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9735 * tree-ssa-operands.c (get_expr_operands): Likewise.
9736 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9737 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9738 (get_initial_def_for_reduction): Likewise.
9739 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9740 value handle in annotations.
9741 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9742 tree_node_structure): Add support for constr_kind.
9743 (build_vector_from_ctor, build_constructor_single,
9744 build_constructor_from_list): New functions.
9745 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9746 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9747 Update to cope with VEC in CONSTRUCTOR_ELTS.
9748 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9749 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9750 CONSTRUCTOR_APPEND_ELT): New macros.
9751 (struct constructor_elt, struct tree_constructor): New data types.
9752 (union tree_node): Add tree_constructor field.
9753 * treestruct.def: Define TS_CONSTRUCTOR.
9754 * varasm.c (const_hash_1, compare_constant, copy_constant,
9755 compute_reloc_for_constant, output_addressed_constants,
9756 initializer_constant_valid_p, output_constant,
9757 array_size_for_constructor, output_constructor): Update to cope with
9758 VEC in CONSTRUCTOR_ELTS.
9759 * vec.h (VEC_empty, VEC_copy): New macros.
9761 2005-07-19 Devang Patel <dpatel@apple.com>
9763 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9765 2005-07-19 Richard Henderson <rth@redhat.com>
9768 * gimplify.c (gimplify_expr): Use main variant type for the temp
9769 destination for a discarded volatile read.
9770 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9771 casts between non-void types that change volatility.
9773 2005-07-15 DJ Delorie <dj@redhat.com>
9775 * toplev.h: Add comment about the first parameter for warning().
9776 * errors.h: Likewise.
9778 * c.opt (Wpragmas): New.
9779 * doc/invoke.texi: Document it.
9781 * function.c (do_warn_unused_parameter): Add warning control to
9783 * c-decl.c (warn_if_shadowing): Likewise.
9784 * c-lex.c (cb_def_pragma): Likewise.
9785 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9786 (pop_alignment): Likewise.
9787 (handle_pragma_pack): Likewise.
9788 (apply_pragma_weak): Likewise.
9789 (handle_pragma_weak): Likewise.
9790 (handle_pragma_redefine_extname): Likewise.
9791 (add_to_renaming_pragma_list): Likewise.
9792 (handle_pragma_extern_prefix): Likewise.
9793 (maybe_apply_renaming_pragma): Likewise.
9794 (handle_pragma_visibility): Likewise.
9796 * config/c4x/c4x-c.c (BAD): Likewise.
9797 (c4x_parse_pragma): Likewise.
9798 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9799 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9800 (rs6000_pragma_longcall): Likewise.
9801 * config/v850/v850-c.c (pop_data_area): Likewise.
9802 (ghs_pragma_section): Likewise.
9803 (ghs_pragma_section): Likewise.
9804 (ghs_pragma_interrupt): Likewise.
9805 (ghs_pragma_starttda): Likewise.
9806 (ghs_pragma_startsda): Likewise.
9807 (ghs_pragma_startzda): Likewise.
9808 (ghs_pragma_endtda): Likewise.
9809 (ghs_pragma_endsda): Likewise.
9810 (ghs_pragma_endzda): Likewise.
9812 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9813 Kenneth Zadeck <zadeck@naturalbridge.com>
9815 * Makefile.in: Removed tree-promote-statics.c
9816 * tree-promote-statics.c: Removed.
9817 * common.opt: Removed flag-promote-statics.
9819 * passes.c: Removed tree-promote-statics pass.
9820 * tree-pass.h: Ditto.
9821 * timevar.def: Removed TV_PROMOTE_STATICS.
9824 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9826 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9828 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9830 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9833 * c-common.c (check_function_arguments): Call
9834 'check_function_format' if either -Wformat or
9835 -Wmissing-format-attribute are specified.
9836 * c-format.c (check_function_format): Check -Wformat before
9837 calling 'check_format_info'.
9838 * c-opts.c (c_common_post_options): Don't warn for
9839 -Wmissing-format-attribute without -Wformat.
9840 * c-typeck.c (convert_for_assignment): Detect additional cases for
9841 -Wmissing-format-attribute.
9842 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9845 2005-07-19 Richard Guenther <rguenther@suse.de>
9847 * config/i386/i386.md (lrint<mode>2): Use temporary
9848 instead of clobbering non-existent memory.
9850 2005-07-19 Nick Clifton <nickc@redhat.com>
9852 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9853 statement to avoid displaying ASCII control characters.
9855 2005-07-19 Ben Elliston <bje@au.ibm.com>
9857 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9858 * cfganal.c (find_edge_index): Ditto.
9859 * combine.c (combine_instructions): Ditto.
9860 * ddg.c (create_scc): Ditto.
9861 (find_successors): Ditto.
9862 (find_predecessors): Ditto.
9863 (find_nodes_on_paths): Ditto.
9864 (longest_simple_path): Ditto.
9865 * flow.c (update_life_info): Ditto.
9866 (count_or_remove_death_notes): Ditto.
9867 (clear_log_links): Ditto.
9868 * modulo-sched.c (generate_reg_moves): Ditto.
9869 (find_max_asap): Ditto.
9870 (find_max_hv_min_mob): Ditto.
9871 (find_max_dv_min_mob): Ditto.
9872 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9873 * sched-rgn.c (extract_edgelst): Ditto.
9874 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9875 (dump_update_ssa): Ditto.
9876 (ssa_names_to_replace) Ditto.
9877 (switch_virtuals_to_full_rewrite): Ditto.
9878 (update_ssa): Ditto.
9879 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9881 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9883 Fix PR tree-optimization/22483
9885 * tree-complex.c (create_components): Use
9886 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9887 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9888 * tree-flow.h (safe_referenced_var_iterator): New structure.
9889 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9890 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9891 safe_referenced_var iterator.
9892 (add_type_alias): Ditto.
9894 2005-07-19 Steven Bosscher <stevenb@suse.de>
9896 * loop-init.c (rest_of_handle_loop2): Remove.
9897 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9898 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9899 (pass_rtl_loop_init, pass_rtl_loop_done,
9900 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9901 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9902 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9903 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9904 pass_tree_loop_done, and pass_tree_unswitch.
9905 (gate_loop): Rename to gate_tree_loop.
9906 * passes.c (init_optimization_passes): Update for renamed tree
9907 loop passes. Add the new loop2 passes as subpasses of loop2.
9908 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9909 Update for the renamed tree loop passes.
9911 2005-07-18 Ian Lance Taylor <ian@airs.com>
9914 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9915 blocks when optimizing.
9917 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9919 * common.opt (frename-registers): Initialize to 2.
9921 (fgcse-after-reload): Ditto.
9922 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9923 (process_options): Only change flag_web, flag_rename_registers,
9924 and flag_rerun_cse_after_loop if not explicitly set by user.
9926 2005-07-18 Jan Beulich <jbeulich@novell.com>
9928 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9929 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9930 in 64-bit mode the same as DImode in 32-bit mode.
9931 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9932 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9933 mode. Add new mode parameter.
9934 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9935 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9936 x86_64_shift_adj): New expanders.
9937 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9938 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9940 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9941 DImode shift splitters.
9942 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9943 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9946 2005-07-18 Jan Beulich <jbeulich@novell.com>
9948 * i386.md (movdi_extzv_1): New.
9949 (zero_extendhidi2): Combine alternatives and never force use of
9951 (zero_extendqidi2): Likewise. Don't restrict input selection.
9953 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9955 Fix PR tree-optimization/22531
9956 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9959 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9961 * tree-promote-statics.c (pass_promote_statics): Change dump file
9964 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9966 * tree-optimize.c (init_tree_optimization_passes): Add
9967 pass_eliminate_useless_stores pass.
9968 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9969 * tree-ssa-pre.c (is_copy_stmt): New function.
9970 (follow_copies_till_vuse): Ditto.
9971 (do_eustores): Ditto.
9972 (gate_eustores): Ditto.
9974 2005-07-16 Richard Henderson <rth@redhat.com>
9976 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9978 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9979 Kenneth Zadeck <zadeck@naturalbridge.com>
9981 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9982 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9983 ipa-type-escape.h, tree-promote-statics.c
9984 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9985 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9986 tree-promote-statics.c: new files.
9987 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9988 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9989 int nonlocal_set_p, mark_constant_function): Deleted.
9990 (rest_of_handle_cfg): Removed call to mark_constant_function.
9991 (nonoverlapping_component_refs_p): Added calls to support
9992 type based aliasing.
9993 * tree-ssa-alias.c (may_alias_p,
9994 compute_flow_insensitive_aliasing): Ditto.
9995 * calls.c (flags_from_decl_or_type): Removed reference to
9997 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9998 too many arguments. This is necessary for Spec 2000.
9999 * cgraph.h (const_function, pure_function): Removed.
10000 * common.opt: Added "fipa-pure-const", "fipa-reference",
10001 "fipa-type-escape", and "ftree-promote-static".
10003 * passes.c: Added ipa and tree-promote-statics passes.
10004 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10005 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10006 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10007 * tree-flow.h: Added exposed sra calls and addition of
10008 reference_vars_info field for FUNCTION_DECLS.
10009 * tree-pass.h: Added passes.
10010 * tree-sra.c: (sra_init_cache): New function.
10011 (sra_insert_before, sra_insert_after) Made public.
10012 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10014 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10015 aliasing. (may_alias_p): Added code to use type escape analysis to
10016 improve alias sets.
10017 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10018 code to prune clobbers of static variables based on information
10019 produced in ipa-reference pass. Changed call clobbering so that
10020 statics are not marked as clobbered if the call does not clobber
10023 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10025 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10028 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10030 * doc/install.texi (*-*-solaris2*): Document recommended version
10031 of GNU binutils and mention GNU linker problem on Solaris 10.
10033 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10036 * c-decl.c (c_build_bitfield_integer_type): New function.
10037 (finish_struct): Call it.
10038 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10040 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10042 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10045 2005-07-16 Jan Hubicka <jh@suse.cz>
10047 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10048 (scale_bbs_frequencies_int): Watch roundoff errors.
10049 * predict.c (return_prediction): Initialize return_stmt.
10051 2005-07-16 Jan Hubicka <jh@suse.cz>
10053 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10054 after RTL profiling.
10056 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10058 PR middle-end/22398
10059 * fold-const.c (build_range_check): Convert high/low to etype
10060 if we are only comparing against exp.
10062 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10064 Fix PR tree-optimization/22376
10065 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10067 (need_to_solve): New function.
10068 (compute_points_to_sets): Use it.
10070 2005-07-15 Jan Hubicka <jh@suse.cz>
10072 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10073 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10075 2005-07-15 Richard Guenther <rguenther@suse.de>
10077 * c-common.c (handle_flatten_attribute): New function.
10078 Add flatten function attribute.
10079 * doc/extend.texi: Document flatten function attribute.
10080 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10081 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10083 (cgraph_decide_inlining): Handle functions with flatten
10086 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10088 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10089 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10090 UNSPEC_XCHG, UNSPEC_AND): New.
10091 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10092 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10093 * config/rs6000/sync.md (FETCHOP): New code macro.
10094 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10096 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10097 (sync_compare_and_swap<mode>): Same.
10098 (sync_lock_test_and_set<mode>): Same.
10099 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10100 for QImode and HImode, and not PPC405.
10101 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10102 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10103 (sync_<fetchop>{si,di}_internal): New.
10104 (sync_nand{si,di}_internal): New.
10105 (sync_old_<fetchop>{si,di}_internal): New.
10106 (sync_old_nand{si,di}_internal): New
10107 (sync_new_<fetchop>{si,di}_internal): New.
10108 (sync_new_nand{si,di}_internal): New.
10109 (atomic_and{si,di}): New.
10110 (sync_new_nand{si,di}_internal): New.
10111 (atomic_and{si,di}): New.
10112 (sync_add<mode>_internal): Delete.
10113 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10114 (sync_sub<mode>_internal): Delte.
10115 (sync_subshort_internal): New.
10116 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10117 (sync_anddi_internal): Delete.
10118 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10119 (sync_booldi_internal): Delete.
10120 (sync_boolc<mode>_internal): Delete.
10121 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10122 (sync_boolc<mode>_internal2): Delete.
10123 (sync_boolcc<mode>_internal): Delete.
10124 (isync, lwsync): Use unspec instead of unspec_volatile.
10125 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10126 Revert UNSPEC_VOLATILE.
10127 (rs6000_split_atomic_op): New.
10128 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10130 2005-07-14 Eric Christopher <echristo@redhat.com>
10132 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10133 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10135 2005-07-14 Eric Christopher <echristo@redhat.com>
10137 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10139 2005-07-14 Steven Bosscher <stevenb@suse.de>
10141 PR tree-optimization/22230
10142 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10143 the computation of the four cross productions for "range op range".
10145 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10146 Ulrich Weigand <uweigand@de.ibm.com>
10149 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10152 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10154 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10156 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10158 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10160 2005-07-14 Richard Guenther <rguenther@suse.de>
10162 PR middle-end/22347
10163 * config/i386/i386-protos.h (ix86_function_value): Change
10164 prototype to match new target hook.
10165 * config/i386/i386.c (ix86_value_regno): Change prototype
10166 to take extra type argument.
10167 (TARGET_FUNCTION_VALUE): Define.
10168 (ix86_function_ok_for_sibcall): Pass extra argument to
10169 ix86_value_regno, check return slot rtx for exact match.
10170 (ix86_function_value): Take extra parameter. Dispatch to
10171 ix86_value_regno with fndecl/fntype as provided.
10172 (ix86_value_regno): Handle extra type argument.
10173 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10175 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10176 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10177 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10178 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10179 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10181 2005-07-14 Richard Guenther <rguenther@suse.de>
10183 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10184 * calls.c (expand_call): Pass fntype to hard_function_value.
10185 (emit_library_call_value_1): Likewise.
10186 * explow.c: Include target.h.
10187 (hard_function_value): Take extra argument, the fntype.
10188 Use new target hook for function_value.
10189 * expr.h (hard_function_value): Change prototype.
10190 * function.c (aggregate_value_p): Pass 0 as fntype to
10191 hard_function_value.
10192 (assign_parms): Use new target hook for function_value.
10193 Pass 0 as fntype to hard_function_value.
10194 (expand_function_end): Likewise.
10195 * reg-stack.c: Include target.h.
10196 (stack_result): Use new target hook for function_value.
10197 * target-def.h: New target hook function_value.
10198 * target.h: Likewise.
10199 * targhooks.c (default_function_value): New function.
10200 * targhooks.h (default_function_value): Declare.
10202 2005-07-13 Ian Lance Taylor <ian@airs.com>
10204 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10206 2005-07-14 Jan Hubicka <jh@suse.cz>
10208 * tree-dfa.c (dump_variable): Use default_def function.
10209 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10210 * tree-ssa.c (verify_use): Likewise.
10211 * tree-ssanames.c (release_ssa_name): Likewise.
10212 * tree-tailcall.c (eliminate_tail_call): Likewise.
10213 (tree_optimize_tail_calls_1): Likewise.
10214 * tree-vrp.c (get_value_range): Likewise.
10216 2005-07-14 Ben Elliston <bje@au.ibm.com>
10218 * gcc.c (main): Compare language[0] with '*' when iterating over
10221 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10223 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10224 "s390_emit_compare". Add handling of CCZ1mode.
10225 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10226 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10228 (s390_branch_condition_mask): Add CCZ1mode handling.
10229 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10230 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10231 Use CCZ1mode instead of CCZmode.
10232 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10234 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10236 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10238 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10240 2005-07-13 Eric Christopher <echristo@redhat.com>
10242 * config/mips/mips.c (mips_canonicalize_comparison): New.
10243 (mips_emit_int_relational): Use.
10245 2005-07-13 Eric Christopher <echristo@redhat.com>
10247 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10248 static extra parts.
10249 * config/s390/s390.md: Include tpf.md. Move tpf specific
10251 * config/s390/tpf.md: To here.
10252 * config/s390/s390.opt: Move tpf specific options...
10253 * config/s390/tpf.opt: to here. Add mmain option.
10254 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10255 * config/s390/tpf.h: Rewrite.
10257 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10259 * doc/tm.texi: Remove @xref{Cross-profiling}.
10261 2005-07-13 Jeff Law <law@redhat.com>
10263 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10264 expressions, test their _DECL operands for pointer equality rather
10265 than using operand_equal_p.
10267 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10269 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10270 (TARGET_POSIX_IO): This.
10271 * config/darwin.h: Likewise.
10272 * config/freebsd.h: Likewise.
10273 * config/linux.h: Likewise.
10274 * config/lynx.h: Likewise.
10275 * config/netbsd.h: Likewise.
10276 * config/rs6000/linux64.h: Likewise.
10277 * config/rs6000/linux.h: Likewise.
10278 * config/s390/tpf.h: Likewise.
10279 * config/sh/embed-elf.h: Likewise.
10280 * config/sparc/linux64.h: Likewise.
10281 * config/sparc/linux.h: Likewise.
10282 * config/svr4.h: Likewise.
10283 * gcov-io.h: Likewise.
10285 * doc/tm.texi: Updated.
10287 * libgcov.c (create_file_directory): Defined only if
10288 TARGET_POSIX_IO is defined.
10289 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10292 2005-07-13 Jan Hubicka <jh@suse.cz>
10294 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10296 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10298 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10299 structure as argument.
10301 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10303 PR tree-optimization/21921
10304 * tree-iterator.c (tsi_link_before): Support the case when
10305 tsi_end_p (tsi) == true.
10307 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10309 PR tree-optimization/22442
10310 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10313 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10315 PR rtl-optimization/20376
10316 * toplev.c (process_options): Enable -fweb and -frename-registers when
10318 * doc/invoke.texi: Update the information about when -fweb and
10319 -frename-registers are enabled.
10321 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10324 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10325 if *rhs_p is not a SSA_NAME.
10327 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10329 Fix PR tree-optimization/22422
10330 * tree-ssa-structalias.c (struct variable_info): Add flag for
10332 (get_varinfo): Now a static function.
10333 (new_varinfo): init has_union and is_special_var to false.
10334 (solution_set_add): Check has_union.
10335 (do_da_constraint): Move temporary variable so it gets reset
10337 Also check for special variable.
10338 (do_ds_constraint): Ditto.
10339 (do_sd_constraint): Ditto.
10340 (do_structure_copy): Check for special variable.
10341 (find_func_aliases): Ditto.
10342 (init_base_vars): Set special vars properly.
10344 2005-07-13 Jan Hubicka <jh@suse.cz>
10346 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10349 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10350 (get_expr_operands): Fix thinko wrt flags and subvars.
10352 PR tree-optimize/22379
10353 * tree-inline.c (expand_call_inline): Do not output sorry in early
10356 2005-07-12 Dale Johannesen <dalej@apple.com>
10358 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10360 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10363 * host-linux.h: Include limits.h.
10365 2005-07-12 Dale Johannesen <dalej@apple.com>
10367 * expr.c (compress_float_constant): Add cost check.
10368 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10370 2005-07-12 Dale Johannesen <dalej@apple.com>
10372 * gcc.target/i386/compress-float-sse.c: New.
10373 * gcc.target/i386/compress-float-sse-pic.c: New.
10374 * gcc.target/i386/compress-float-387.c: New.
10375 * gcc.target/i386/compress-float-387-pic.c: New.
10376 * gcc.dg/compress-float-ppc.c: New.
10377 * gcc.dg/compress-float-ppc-pic.c: New.
10379 2005-07-12 Eric Christopher <echristo@redhat.com>
10381 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10382 static extra parts.
10383 * config/s390/s390.md: Include tpf.md. Move tpf specific
10385 * config/s390/tpf.md: To here.
10386 * config/s390/s390.opt: Move tpf specific options...
10387 * config/s390/tpf.opt: to here. Add mmain option.
10388 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10389 * config/s390/tpf.h: Rewrite.
10391 2005-07-12 Eric Christopher <echristo@redhat.com>
10393 * gcc.c (struct infile): Update comment for language.
10394 (main): Rewrite input file resetting code.
10396 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10399 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10400 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10401 (lookup_avail_expr): Use constant_boolean_node instead
10402 of boolean_false_node/boolean_true_node.
10404 2005-07-12 Ben Elliston <bje@au.ibm.com>
10406 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10407 and use it when printing num_edges.
10409 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10411 * doc/extend.texi (Blackfin Built-in Functions): New section.
10412 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10415 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10417 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10418 s/cmpstrsi/cmpstrnsi
10419 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10421 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10422 (init_optabs): Initialize cmpstrn_optab.
10423 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10424 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10425 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10426 * config/i386/i386.md: s/cmpstr/cmpstrn
10427 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10428 * doc/md.texi: Update documentation.
10430 2005-07-11 Richard Henderson <rth@redhat.com>
10432 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10433 build_va_arg_indirect_ref.
10434 (alpha_gimplify_va_arg): Likewise.
10435 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10436 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10437 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10438 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10439 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10440 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10442 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10444 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10446 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10447 * passes.c (init_optimization_passes): Add pass_empty_loop.
10448 * tree-pass.h (pass_empty_loop): Declare.
10449 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10450 try_remove_empty_loop, remove_empty_loops): New functions.
10451 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10452 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10454 2005-07-12 Peter Barada <peter@the-baradas.com>
10456 PR middle-end/16719
10457 PR middle-end/18421
10458 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10459 in address registers.
10460 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10461 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10462 alternative of addsi3_5200.
10464 2005-07-11 Ian Lance Taylor <ian@airs.com>
10466 * config/mips/mips.md (ffs<mode>2): Remove.
10468 2005-07-11 Ian Lance Taylor <ian@airs.com>
10470 * doc/tree-ssa.texi (Cleanups): Improve description of
10472 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10474 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10476 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10477 * tree.h (DECL_ARGUMENT_FLD): New macro.
10479 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10481 Fix PR tree-optimization/22404
10483 * tree-ssa-structalias.c (create_variable_info_for): Use
10486 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10488 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10489 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10490 for second comparison operand.
10491 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10493 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10494 (define_insn_reservation "alu"): Likewise.
10495 (csync, ssync): Now of type sync.
10496 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10497 -mcsync-anomaly -mspecld-anomaly.
10498 * config/bfin/bfin.opt (mcsync): Remove.
10499 (mcsync-anomaly, mspecld-anomaly): Add.
10500 * config/bfin/bfin.c: Include "insn-codes.h".
10501 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10502 (TARGET_DEFAULT_TARGET_FLAGS): New.
10503 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10505 2005-07-11 Steven Bosscher <stevenb@suse.de>
10507 * basic-block.h: Give the BB flags enum a name, bb_flags.
10508 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10509 * cfgcleanup.c (enum bb_flags): Remove here.
10510 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10511 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10512 (update_forwarder_flag): Likewise.
10513 (thread_jump): Likewise.
10514 (try_forward_edges): Likewise.
10515 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10516 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10517 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10519 2005-07-11 Richard Guenther <rguenther@suse.de>
10521 * config/i386/i386.opt: New target option -msseregparm.
10522 * config/i386/i386.c (override_options): Error out for
10523 -msseregparm but no SSE support.
10524 (ix86_function_sseregparm): Check for global sseregparm.
10525 * doc/invoke.texi: Document -msseregparm.
10527 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10529 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10530 (m32rle-*-linux*): Ditto.
10532 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10534 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10535 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10538 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10540 PR middle-end/22239
10542 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10543 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10545 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10547 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10548 (varmap): Heapify varmap.
10549 (constraints): Heapify constraints.
10550 (struct constraint_graph): Heapify succs and preds.
10551 (constraint_vec_find): Update for heapification.
10552 (constraint_set_union): Ditto.
10553 (insert_into_complex): Ditto.
10554 (constraint_edge_vec_find): Ditto.
10555 (erase_graph_self_edge): Ditto.
10556 (add_graph_edge): Ditto.
10557 (get_graph_weights): Ditto.
10558 (merge_graph_nodes): Ditto.
10559 (build_constraint_graph): Ditto.
10560 (topo_visit): Ditto.
10561 (solve_graph): Ditto.
10562 (create_variable_info_for): Ditto.
10563 (init_base_vars): Ditto.
10564 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10565 (condese_varmap_nodes): Free complex vector.
10566 (clear_edges_for_node): Clear succs and preds vector.
10568 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10570 * tree-ssa-structalias.c (update_alias_info): Change counting of
10571 references to not include vdefs.
10573 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10575 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10576 (up_insert): Ditto.
10578 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10580 * pa.c (pa_commutative_p): Make PLUS commutative when
10581 TARGET_NO_SPACE_REGS is true.
10583 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10585 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10586 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10587 * tree-dfa.c (dump_subvars_for): New.
10588 (debug_subvars_for): New.
10589 (dump_variable): Show subvariables if VAR has them.
10590 * tree-flow-inline.h (get_subvar_at): New.
10591 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10592 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10594 (struct subvar): Change fields offset and size to unsigned
10596 (dump_subvars_for): Declare.
10597 (debug_subvars_for): Declare.
10598 (get_subvar_at): Declare.
10599 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10600 to unsigned HOST_WIDE_INT *.
10601 (overlap_subvar): Likewise.
10602 * tree-gimple.c (is_gimple_reg): Always return false for
10603 SFTs and memory tags.
10604 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10605 Update all callers.
10606 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10607 (compute_may_aliases): Call compute_points_to_sets.
10608 (collect_points_to_info_for): Remove.
10609 (compute_points_to_and_addr_escape): Remove.
10610 (delete_alias_info): Call delete_points_to_sets.
10611 (compute_flow_sensitive_aliasing): If the call to
10612 find_what_p_points_to returns false, call set_pt_anything.
10613 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10614 (set_pt_anything): Clear pi->pt_vars.
10615 (set_pt_malloc): Remove.
10616 (merge_pointed_to_info): Remove.
10617 (add_pointed_to_expr): Remove.
10618 (add_pointed_to_var): Remove.
10619 (collect_points_to_info_r): Remove.
10620 (is_escape_site): Make extern.
10622 (create_overlap_variables_for): Call it.
10623 * tree-ssa-copy.c (merge_alias_info): Never merge
10624 flow-sensitive alias information.
10625 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10626 offset and size to be unsigned HOST_WIDE_INT.
10627 (add_to_addressable_set): Rename from note_addressable.
10628 Set TREE_ADDRESSABLE as the variables are added to the set.
10630 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10631 operands into VUSEs when adding V_MAY_DEFs for members in an
10633 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10634 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10635 (struct variable_info): Add bitfield is_heap_var.
10636 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10637 (new_var_info): Initialize is_heap_var.
10638 (get_constraint_for): Add HEAP variables to the symbol table.
10639 Mark them with is_heap_var.
10640 (update_alias_info): New. Taken mostly from the old
10641 compute_points_to_and_addr_escape.
10642 (handle_ptr_arith): New.
10643 (find_func_aliases): Call update_alias_info.
10644 Call handle_ptr_info for tcc_binary expressions.
10645 Call mark_stmt_modified.
10646 (create_variable_info_for): If DECL has subvars, do not create
10647 variables for its subvars. Always add all the fields.
10648 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10649 SFTs, then add all the SFTs of the structure.
10650 If VI->DECL is an aggregate with subvariables, add the SFT at
10652 (find_what_p_points_to): If VI is an artificial variable,
10653 translate to bitfields in SSA_NAME_PTR_INFO.
10654 If the solution is empty, set pi->pt_vars to NULL
10655 (init_base_vars): Create ANYOFFSET.
10656 (compute_points_to_sets): Rename from create_alias_vars.
10658 (pass_build_pta): Remove.
10659 (delete_points_to_sets): Rename from delete_alias_vars.
10660 (pass_del_pta): Remove.
10661 * tree-ssa-structalias.h (struct alias_info): Move from
10663 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10664 NUM_REFERENCES_SET): Likewise.
10665 (compute_points_to_sets, delete_points_to_sets): Declare.
10667 2005-07-09 Richard Henderson <rth@redhat.com>
10669 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10670 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10671 alpha_split_lock_test_and_set_12): New functions.
10672 * config/alpha/alpha-protos.h: Update.
10673 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10674 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10675 * config/alpha/sync.md (I12MODE): New.
10676 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10677 (sync_<fetchop_name><I48MODE>): Likewise.
10678 (sync_nand<I48MODE>): Likewise.
10679 (sync_old_<fetchop_name><I48MODE>): Likewise.
10680 (sync_new_<fetchop_name><I48MODE>): Likewise.
10681 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10682 (sync_compare_and_swap<I48MODE>): Likewise.
10683 (sync_lock_test_and_set<I48MODE>): Likewise.
10684 (sync_compare_and_swap<I12MODE>): New.
10685 (sync_compare_and_swap<I12MODE>_1): New.
10686 (sync_lock_test_and_set<I12MODE>): New.
10687 (sync_lock_test_and_set<I12MODE>_1): New.
10689 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10693 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10695 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10697 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10698 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10700 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10703 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10705 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10707 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10708 memory_operand constraint.
10709 (store_conditional_<mode>): Same.
10710 (sync_compare_and_swap<mode>): Same.
10711 (sync_lock_test_and_set<mode>): Same.
10713 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10715 Rewrite PIC support to more closely model actual instructions.
10716 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10717 (cris_symbol): Remove prototypes for removed functions.
10718 (cris_pic_symbol_type_of, cris_valid_pic_const)
10719 (cris_expand_pic_call_address): Prototypes for new functions.
10720 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10722 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10724 <case ':'>: Add case for new punctuation character.
10725 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10726 emitting (extra) PIC modifier.
10727 <case UNSPEC>: Do not assert for PLT.
10728 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10729 (cris_expand_prologue, cris_expand_epilogue): Check
10730 for pic_offset_table_rtx usage instead of taking
10731 current_function_uses_pic_offset_table as the final word.
10732 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10733 Remove flag_pic difference.
10734 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10735 the moral equivalents of...
10736 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10738 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10739 (cris_handle_option): Mark ARG as unused.
10740 (cris_expand_pic_call_address): New worker function for "call",
10742 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10743 output PIC constructs here.
10744 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10745 as symbol-specific modifers, not whole or part of operands.
10746 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10747 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10748 constants and flag_pic.
10749 (CONSTANT_INDEX_P): Adjust for new functions.
10750 (enum cris_pic_symbol_type): New helper type.
10751 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10752 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10753 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10755 ("movsi"): Emit actual instructions for GOT and relative access.
10756 ("*movsi_got_load"): New pattern to set up the register holding
10758 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10759 Adjust FIXME for 'S'.
10760 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10761 Use "movs" for -fpic cases.
10762 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10763 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10764 ("call", "call_value"): Just call cris_expand_pic_call_address for
10766 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10767 Remove special pattern.
10768 ("*expanded_call_side", "*expanded_call_value_side"): New
10770 (gotplt-to-plt, gotplt-to-plt-side-call)
10771 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10773 * config/cris/cris/predicates.md
10774 ("cris_general_operand_or_gotless_symbol"): Remove unused
10776 ("cris_general_operand_or_symbol"): Adjust for new functions.
10778 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10780 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10782 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10784 * Makefile.in (TREE_H): Add treestruct.def.
10785 (c-decl.o): Add pointer-set.h
10786 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10787 visibility on regular DECL's.
10788 (merge_decls): Fix the copying of decl nodes of various types for
10789 the new structures. Don't update RTL, section name, weak status,
10790 etc, on DECL's without RTL.
10791 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10792 Don't check volatile on non-variable types.
10793 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10794 to check whether we have seen arguments.
10795 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10796 flag is checked before field (flag is common, field is not).
10797 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10798 TS_DECL_COMMON could have an origin.
10799 (add_location_or_const_value_attribute): Don't check section name
10800 on non-var/function decls.
10801 (dwarf2out_var_location): Reverse order of tests.
10802 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10803 with DECL_WRTL_CHECK.
10804 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10805 * fold-const.c (fold_binary): Don't check weakness on
10806 non-var/function decls.
10807 (tree_expr_nonzero_p): Ditto.
10808 (fold_checksum_tree): Use tree_decl_extra as sizeof
10810 * ggc-page.c (extra_order_size_table): Add sizes for
10811 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10813 * gimplify.c (gimplify_bind_expr): Only set
10814 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10815 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10817 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10818 * langhooks.h (init_ts). New langhook.
10819 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10820 * print-tree.c (print_node): Update to only print fields that
10821 exist in the structures the passed decl has.
10822 * toplev.c (wrapup_global_declarations): Don't reset
10823 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10824 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10825 * tree-inline.c (remap_decl): Ditto.
10826 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10827 * tree-pretty-print.c (print_declaration): Don't print
10828 DECL_REGISTER on things that don't contain it.
10829 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10830 non-var/function decls.
10831 * tree.c (tree_contains_struct): New structure.
10832 (init_priority_for_decl): New hashtable.
10833 (tree_int_map): New structure.
10834 (tree_int_map_eq): New function.
10835 (tree_int_map_marked_p): Ditto.
10836 (tree_int_map_hash): Ditto.
10837 (tree_map): Move to tree.h.
10838 (tree_map_eq): Externalize.
10839 (tree_map_hash): Ditto.
10840 (tree_map_marked_p): Ditto.
10841 (init_ttree): Set up tree_contains_struct and call langhook.
10842 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10843 (tree_code_size): Update for new structures.
10844 (tree_node_structure): Update for new structures.
10845 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10847 (copy_node_stat): Copy init priority.
10848 (build_decl_stat): Ditto for visibility.
10849 (ts_enum_names): New.
10850 (tree_contains_struct_check_failed): New function.
10851 (decl_init_priority_lookup): Ditto.
10852 (decl_init_priority_insert): Ditto.
10853 * treestruct.def: New file.
10854 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10855 (CONTAINS_STRUCT_CHECK): Ditto.
10856 (tree_contains_struct_check_failed): New prototype.
10857 (DECL_CHECK): Removed.
10858 (DECL_MINIMAL_CHECK): New.
10859 (DECL_COMMON_CHECK): Ditto.
10860 (DECL_WRTL_CHECK): Ditto.
10861 (DECL_NON_COMMON_CHECK): Ditto.
10862 (DECL_WITH_VIS_CHECK): Ditto.
10863 (VAR_OR_FUNCTION_DECL_P): Ditto
10864 (struct tree_decl_minimal): New structure.
10865 (struct tree_decl_common): Ditto.
10866 (struct tree_decl_with_rtl): Ditto.
10867 (struct tree_decl_with_vis): Ditto.
10868 (struct tree_decl_non_common): Ditto.
10869 (struct tree_field_decl): Ditto.
10870 (struct tree_parm_decl): Ditto.
10871 (struct tree_var_decl): Ditto.
10872 (struct tree_function_decl): Ditto.
10873 (struct tree_const_decl): Ditto.
10874 (struct tree_result_decl): Ditto.
10875 (union tree_node): Add new structures.
10876 * var-tracking.c (track_expr_p): Reverse order of tests.
10878 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10880 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10882 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10883 * system.h: Poison FINALIZE_PIC.
10884 * doc/tm.texi (FINALIZE_PIC): Remove.
10886 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10889 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10890 to the correct type if we have a MODIFY_EXPR.
10892 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10894 PR tree-optimization/22360
10895 * tree.c (upper_bound_in_type): Fix calculations for casting
10896 to a non-wider signed type and casting a signed value to a
10897 wider unsigned type.
10898 (lower_bound_in_type): Fix calculations for casting to a
10899 non-wider signed type.
10901 PR tree-optimization/20139
10902 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10904 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10905 fold_cond_expr_cond.
10906 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10907 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10909 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10912 * tree-complex.c (expand_complex_libcall): Produce
10913 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10915 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10917 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10918 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10919 b" assert and inserted fastpath code for this case.
10920 (bitmap_ior): Removed "a != b" assert.
10922 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10924 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10925 (ENDFILE_SPEC): Likewise.
10926 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10928 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10929 a large stack frame at epilogue.
10931 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10933 * final.c: Include sdbout.h when required.
10935 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10937 * config.gcc (*-*-darwin*): Only one target-specific header file
10938 for generic darwin.
10939 (powerpc-*-darwin*): Add version-specific header files.
10940 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10941 * config.in: Regenerate.
10942 * configure: Regenerate.
10943 * gcc.c: Include xregex.h.
10944 (version_compare_spec_function): New.
10945 (spec_function): Add version-compare.
10946 (replace_outfile_spec_function): Reformat comment.
10947 (compare_version_strings): New.
10948 * config/darwin-c.c (version_as_macro): New.
10949 (builtin_define): New.
10950 (darwin_cpp_builtins): New.
10951 * config/darwin-protos.h (darwin_cpp_builtins): New.
10952 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10953 (LIB_SPEC): Make unconditional, update comment.
10954 (TARGET_C99_FUNCTIONS): Define.
10955 * config/darwin.opt: Sort.
10956 (mmacosx-version-min=): New.
10957 * config/darwin7.h: Delete.
10958 * config/darwin8.h: Delete.
10959 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10960 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10961 (TARGET_C99_FUNCTIONS): Define.
10962 * config/rs6000/darwin7.h: New.
10963 * config/rs6000/darwin8.h: New.
10964 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10965 (-mmacosx-version-min): Document.
10967 2005-07-07 Ian Lance Taylor <ian@airs.com>
10969 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10971 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10973 PR middle-end/22239
10974 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10976 2005-07-07 Khem Raj <kraj@mvista.com>
10978 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10979 in bytes, not words.
10981 2005-07-07 Paul Brook <paul@codesourcery.com>
10983 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10984 DEFAULT_FUNCTION_ARG_PADDING to upward.
10986 2005-07-07 Richard Henderson <rth@redhat.com>
10988 * function.c (locate_and_pad_parm): Record parameter alignment in
10989 stack_alignment_needed.
10991 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10993 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10994 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10995 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10996 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10997 (define_attr "type"): Add isync, sync, load_l, store_c.
10998 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10999 Create scratch volatile MEM.
11000 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11002 (load_locked_<mode>): New.
11003 (store_conditional_<mode>): New.
11004 (sync_compare_and_swap<mode>): Replace with splitter.
11005 (sync_lock_test_and_set<mode>): Replace with splitter.
11006 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11008 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11009 is ics. Attribute isync.
11010 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11012 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11013 and UNSPECV_SYNC_OP.
11014 (emit_unlikely_jump): New.
11015 (emit_load_locked): New.
11016 (emit_store_conditional): New.
11017 (rs6000_split_compare_and_swap): New.
11018 (rs6000_split_lock_test_and_set): New.
11019 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11020 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11021 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11022 rs6000_split_lock_test_and_set): Declare.
11023 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11024 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11025 store_c, isync, sync.
11027 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11029 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11030 filenames to gtyp-gen.h.
11031 (s-typ-gen): Use it in place of for loops.
11033 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11035 * hooks.c (hook_bool_rtx_int_false): New function.
11036 * hooks.h (hook_bool_rtx_int_false): Declare.
11037 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11038 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11039 * target.h (struct gcc_target): Add commutative_p member.
11040 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11041 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11042 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11043 (pa_commutative_p): New function.
11044 * jump.c (target.h): Include.
11045 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11046 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11048 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11050 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11051 (s390_expand_setmem): New.
11052 * config/s390/s390.c: Likewise.
11053 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11055 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11056 general_operand. Call new function "s390_expand_setmem".
11057 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11058 ("setmem_long", "*setmem_long"): ... this.
11060 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11062 * config/s390/s390.c: (optimization_options): Enable
11063 TARGET_MVCLE at -Os.
11064 * doc/invoke.texi: Document changes in default behaviour.
11065 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11067 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11069 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11070 defined by back-end.
11072 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11074 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11075 all sets in the pattern.
11076 * config/rs6000/rs6000.md (stack_protect_testsi,
11077 stack_protect_testdi): Likewise.
11079 2005-07-06 Jeff Law <law@redhat.com>
11081 * tree-vrp.c (simplify_using_ranges): Kill.
11082 (vrp_finalize): Remove call to simplify_using_ranges.
11083 (simplify_stmt_using_ranges): New function extracted from
11084 simplify_using_ranges.
11085 (simplify_div_or_mod_using_ranges): Likewise.
11086 (simplify_abs_using_ranges): Likewise.
11087 (simplify_cond_using_ranges): New function.
11088 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11089 * tree-ssa-propagate.c (substitute_and_fold): Call
11090 simplify_stmt_using_ranges if we have range information.
11092 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11094 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11095 ia64_flag_schedule_isns2.
11097 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11098 reading/writing general registers.
11099 (ia64_function_arg): Revert 2005-06-18 change.
11101 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11103 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11104 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11106 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11108 * function.c (expand_function_end): Revert part of 2005-06-27
11109 patch. Do sjlj_emit_function_exit_after after return_label.
11111 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11113 * doc/install.texi (--disable-libssp): New.
11115 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11117 * doc/invoke.texi: Update -fforce-mem documentation.
11118 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11119 code for -fforce-mem.
11120 * expmed.c: (store_bit_field,store_fixed_bit_field,
11121 extract_bit_field): Ditto.
11122 * expr.c: (convert_move): Ditto.
11123 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11124 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11125 emit_conditional_add,expand_float,expand_fix): Ditto.
11126 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11127 (common_handle_option): Issue warning when -fforce-mem specified.
11129 2005-07-06 Paul Brook <paul@codesourcery.com>
11131 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11133 * configure: Regenerate.
11135 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11137 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11139 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11141 Fix PR tree-optimization/22319
11142 Fix PR tree-optimization/22140
11143 Fix PR tree-optimization/22310
11145 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11146 variable sized types.
11147 Use correct type for intermediate structure on *a = *b structure
11150 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11152 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11154 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11155 (machine_function): Move typedef to...
11156 * config/rs6000/rs6000.c (machine_function): ... here. Add
11157 varargs_save_offset field.
11158 (rs6000_stack_t): Remove varargs_size field.
11159 (setup_incoming_varargs): Allocate varargs save area using
11160 assign_stack_local, try to make it as small as possible.
11161 Save offset from virtual_stack_vars_rtx to the save area
11162 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11163 instead of magic 8 when fp word byte size is used.
11164 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11165 instead of -RS6000_VARARGS_SIZE.
11166 (rs6000_stack_info, debug_stack_info,
11167 rs6000_initial_elimination_offset): Remove all traces of
11169 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11170 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11171 RS6000_VARARGS_AREA.
11173 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11175 PR tree-optimization/21963
11176 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11177 constant_multiple_of in the same way get_computation_cost_at does.
11179 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11181 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11182 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11183 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11184 and return its previous value.
11185 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11186 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11188 (stack_protect_set, stack_protect_test): New expanders.
11189 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11190 stack_protect_testdi): New insns.
11191 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11192 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11194 2005-07-06 Jeff Law <law@redhat.com>
11196 * tree-ssa-dce.c (cfg_altered): New global.
11197 (tree_dce_init): Initialize cfg_altered.
11198 (remove_dead_stmt): If we remove an edge in the CFG, then set
11200 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11203 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11205 * Makefile.in (stamp-collect-ld): Use
11206 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11207 ./collect-ld if it already exists.
11208 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11209 Don't remove ./nm if it already exists.
11211 2005-07-05 Devang Patel <dpatel@apple.com>
11213 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11214 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11215 * tree-vectorizer.c (vect_loop_location): New.
11216 (vect_print_dump_info): Use vect_loop_location.
11217 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11218 (vectorize_loops): Set vect_loop_location.
11219 * tree-vect-analyze.c (vect_analyze_offset_expr,
11220 vect_determin_vectorization_factor, vect_analyze_operations,
11221 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11222 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11223 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11224 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11225 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11226 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11227 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11228 vect_analyze_loop): Adjust vect_print_dump_info API.
11229 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11230 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11231 vect_finish_stmt_generation, vectorizable_assignment,
11232 vectorizable_operation, vectorizable_store, vectorizable_load,
11233 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11234 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11235 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11236 vect_transform_loop): Same.
11237 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11238 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11241 2005-07-05 Randolph Chung <tausq@debian.org>
11243 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11244 * configure: Regenerate.
11245 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11246 (pa_tls_referenced_p): Declare.
11247 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11248 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11249 (legitimize_tls_address): New.
11250 (hppa_legitimize_address): Handle TLS addresses.
11251 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11252 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11253 (emit_move_sequence): Handle TLS addresses.
11254 (pa_encode_section_info): Call default handler to handle common
11256 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11257 (CONSTANT_ADDRESS_P): Reject TLS operands.
11258 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11259 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11260 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11261 (UNSPEC_TLSLE): Define new constants.
11262 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11263 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11264 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11265 (tie_symbolic_operand, tle_symbolic_operand): New
11267 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11269 * aclocal.m4: Update macros for autoconf 2.59 style.
11270 * configure.ac: Likewise.
11272 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11274 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11275 (function_arg): Pass small aggregates in general registers on 32-bit
11277 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11279 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11281 * Makefile.in (final.o): Fix dependencies.
11283 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11287 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11288 * langhooks.c (lhd_expr_to_decl): New.
11289 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11291 (LANG_HOOKS_INITIALIZER): Update.
11292 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11293 expr_to_decl langhook.
11294 * c-tree.h (c_expr_to_decl): Declare.
11295 * c-typeck.c (c_expr_to_decl): New.
11296 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11298 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11300 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11303 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11304 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11306 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11308 * Makefile.in: Adjust dependencies.
11309 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11310 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11311 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11312 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11313 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11314 rest_of_compilation.
11316 * bb-reorder.c (gate_duplicate_computed_gotos,
11317 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11318 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11319 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11320 pass_partition_blocks): New.
11321 * bt-load.c (gate_handle_branch_target_load_optimize,
11322 rest_of_handle_branch_target_load_optimize,
11323 pass_branch_target_load_optimize): New.
11324 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11326 * cfglayout.c (pass_insn_locators_initialize): New.
11327 * cfgrtl.c (pass_free_cfg): New.
11328 * combine.c (gate_handle_combine, rest_of_handle_combine,
11329 pass_combine): New.
11330 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11331 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11332 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11333 * except.c (pass_set_nothrow_function_flags,
11334 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11336 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11337 rest_of_handle_shorten_branches, pass_shorten_branches,
11338 rest_of_clean_state, pass_clean_state): New.
11339 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11340 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11341 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11343 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11344 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11345 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11346 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11348 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11349 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11350 pass_rtl_ifcvt, gate_handle_if_after_combine,
11351 rest_of_handle_if_after_combine, pass_if_after_combine,
11352 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11353 pass_if_after_reload): New.
11354 * integrate.c (pass_initial_value_sets): New.
11355 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11356 pass_purge_lineno_notes): New.
11357 * mode-switching.c (rest_of_handle_mode_switching,
11358 pass_mode_switching): New.
11359 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11360 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11362 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11363 pass_loop_optimize): New.
11364 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11366 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11368 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11369 pass_postreload_cse): New.
11370 * profile.c (gate_handle_profiling, pass_profiling,
11371 rest_of_handle_branch_prob, pass_branch_prob): New.
11372 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11373 pass_split_before_regstack, gate_handle_split_before_regstack,
11374 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11375 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11376 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11377 pass_stack_regs): New.
11378 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11379 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11380 pass_stack_adjustments): New.
11381 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11382 pass_regrename): New.
11383 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11384 pass_delay_slots, gate_handle_machine_reorg,
11385 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11386 * rtl.h (extern void purge_line_number_notes): New.
11387 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11388 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11390 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11392 * value-prof.c (gate_handle_value_profile_transformations,
11393 rest_of_handle_value_profile_transformations,
11394 pass_value_profile_transformations): New.
11395 * var-tracking.c (gate_handle_var_tracking,
11396 pass_variable_tracking): New.
11397 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11399 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11400 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11401 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11402 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11403 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11404 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11405 rest_of_handle_gcse2, rest_of_handle_regmove,
11406 rest_of_handle_tracer, rest_of_handle_if_conversion,
11407 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11408 rest_of_handle_web, rest_of_handle_branch_prob,
11409 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11410 rest_of_handle_jump_bypass, rest_of_handle_combine,
11411 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11412 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11413 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11414 rest_of_handle_mode_switching, rest_of_handle_jump,
11415 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11416 rest_of_handle_flow2, rest_of_handle_jump2,
11417 rest_of_handle_peephole2, rest_of_handle_postreload,
11418 rest_of_handle_shorten_branches, rest_of_clean_state,
11419 rest_of_compilation): Remove.
11421 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11422 * passes.c (dump_flags, in_gimple_form, all_passes,
11423 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11424 register_dump_files, next_pass_1, last_verified, execute_todo,
11425 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11426 from tree-optimize.c.
11427 (init_optimization_passes): Moved from tree-optimize.c,
11428 adding the RTL optimizations.
11429 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11430 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11431 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11432 register_dump_files, next_pass_1, last_verified, execute_todo,
11433 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11434 init_tree_optimization_passes, ipa_passes): Delete.
11435 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11437 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11438 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11440 (ipa_passes): Remove.
11441 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11442 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11443 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11444 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11445 (dump_info_p, dump_flag): Moved to tree-dump.h.
11447 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11449 * passes.c (finish_optimization_passes): Use dump_begin
11450 and dump_end, TDI_end.
11451 (gate_rest_of_compilation): New.
11452 (pass_rest_of_compilation): Use it.
11453 (gate_postreload, pass_postreload): New.
11454 * toplev.c (general_init): Rename init_tree_optimization_passes.
11455 * toplev.h (init_tree_optimization_passes): Rename to
11456 init_optimizations_passes.
11457 * tree-dump.c (dump_flag): Make static.
11458 (dump_files): Remove RTL dumps.
11459 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11460 pass_cleanup_cfg, pass_free_cfg_annotations,
11461 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11462 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11463 * tree-pretty-print.c: Include tree-pass.h.
11464 * cgraph.c: Include tree-dump.h.
11466 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11468 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11469 Only fall back to saying it points to readonly memory if
11470 we can't do better.
11472 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11474 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11475 * config/m32r/m32r.c (m32r_compute_frame_size,
11476 m32r_expand_prologue): Take current_function_profile into
11477 account whenever we reference
11478 current_function_uses_pic_offset_table.
11479 (m32r_finalize_pic): Remove.
11480 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11482 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11484 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11485 instead of $<. Don't remove ./as if it already exists.
11487 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11490 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11491 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11492 for complex modes when generating code for PA 1.0.
11493 (VALID_FP_MODE_P): New macro.
11494 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11495 sets for all general and floating point modes. Align wide floating
11496 point modes to even register boundaries to comply with architectural
11498 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11499 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11500 (VALID_FP_MODE_P): New macro.
11501 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11502 sets for all general and floating point modes. Align wide floating
11503 point modes to even register boundaries to comply with architectural
11506 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11508 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11511 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11513 * tree-ssa-structalias.c: Don't include expr.h.
11515 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11517 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11520 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11522 Fix PR tree-optimization/22279
11524 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11527 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11529 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11531 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11533 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11534 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11535 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11536 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11537 config/stormy16/stormy16.c, config/v850/v850.c,
11538 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11539 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11540 Avoid "." or "\n" at end of diagnostics and capital letters at
11541 start of diagnostics.
11542 * combine.c, cse.c: Don't translate dump file output.
11543 * toplev.c (print_version): Only translate output if going to
11546 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11548 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11549 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11552 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11554 * pa.c (fix_range): Fix typo in comment.
11556 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11558 * tree-vrp.c (extract_range_from_assert): Replace
11559 fold (build (...)) with fold_build2.
11561 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11563 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11564 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11565 (format_types_orig, handle_format_attribute): Add support for
11568 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11570 * varasm.c (assemble_variable): Fix format specifier thinko.
11572 2005-07-03 Ira Rosen <irar@il.ibm.com>
11574 PR tree-optimization/22029 (and 22135)
11575 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11576 a phi node before calling dump_vops.
11578 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11580 * tree-dump.h (dump_string_field): Declare.
11581 * tree-dump.c: Use it instead of dump_string.
11582 (dump_string_field): Make non-static.
11584 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11586 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11587 up the minimal CFG stuff always when optimize > 0. Call
11588 split_all_insns_noflow in PIC case if needed.
11590 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11591 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11594 * c-decl.c (c_write_global_declarations): Dump contents of
11596 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11597 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11598 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11599 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11602 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11604 * c-common.h (GCC_DIAG_STYLE): Define.
11605 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11606 version for format checking to 4.1.
11607 * c-format.c: Include toplev.h after c-common.h.
11608 (enum format_type): Add gcc_tdiag_format_type.
11609 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11610 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11611 (format_types_orig): Add gcc_tdiag.
11612 (init_dynamic_diag_info): Support gcc_tdiag formats.
11613 (handle_format_attribute): Likewise.
11614 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11615 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11616 version for format checking to 4.1.
11617 (warning0, warning, error, pedwarn, sorry): Use
11618 ATTRIBUTE_GCC_DIAG.
11619 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11620 (finish_aliases_1): Do not use %qE.
11621 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11622 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11623 Correct format bugs.
11624 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11625 parameter to unsigned HOST_WIDE_INT.
11626 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11628 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11630 PR middle-end/21742
11631 * expr.c (write_complex_part): Use adjust_address for MEM.
11632 (read_complex_part): Same.
11634 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11636 Fix PR tree-optimization/22280
11638 * tree-sra.c (generate_element_init): Remove useless loop.
11640 2005-07-02 Richard Henderson <rth@redhat.com>
11642 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11644 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11646 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11648 PR middle-end/14490
11649 * fold-const.c (fold_binary): Handle the return value of
11650 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11651 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11653 2005-07-02 Jeff Law <law@redhat.com>
11655 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11656 a eliminate type conversion which feeds an equality comparison
11657 if the original type or either operand in the comparison is a
11660 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11662 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11663 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11665 * config/avr/avr.c: Do not use '`' as left quote.
11666 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11667 Remove "." from end of diagnostics. Make diagnostics start with
11670 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11671 Joseph S. Myers <joseph@codesourcery.com>
11673 * toplev.c (default_tree_printer): Handle setting location with
11675 * c-objc.common.c (c_tree_printer): Likewise.
11676 * c-format.c (gcc_diag_flag_specs): Add '+'.
11677 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11678 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11680 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11681 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11682 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11683 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11684 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11685 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11686 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11687 format arguments where %J is used without %D.
11689 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11691 * gcc.c (LINK_SSP_SPEC): Define.
11692 (link_ssp_spec): New variable.
11693 (LINK_COMMAND_SPEC): Add %(link_ssp).
11694 (static_specs): Add link_ssp_spec.
11695 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11696 * configure: Rebuilt.
11697 * config.in: Rebuilt.
11699 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11700 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11701 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11702 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11703 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11704 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11705 -0x7008(2) instead of reading __stack_chk_guard variable.
11706 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11708 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11709 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11710 if TARGET_THREAD_SSP_OFFSET is defined.
11711 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11712 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11715 2005-06-27 Richard Henderson <rth@redhat.com>
11716 * libgcc-std.ver (GCC_4.1.0): New.
11717 * libgcc.h (__stack_chk_guard): Declare.
11718 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11719 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11720 * mklibgcc.in (lib2funcs): Add them.
11722 2005-07-01 Richard Henderson <rth@redhat.com>
11724 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11725 void * before struct sigcontext *.
11726 (x86_fallback_frame_state): Likewise.
11728 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11730 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11732 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11735 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11736 we check for SSA_NAME for.
11738 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11740 Fix PR tree-optimization/22071
11742 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11744 (get_constraint_for_component_ref): Use it.
11746 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11749 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11750 print out the last new line.
11752 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11754 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11755 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11756 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11757 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11758 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11759 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11760 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11761 (enum reg_class): New member CC0_REGS.
11762 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11763 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11764 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11765 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11766 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11767 Adjust for register now described.
11769 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11772 * config/i386/i386.md (stack_protect_test_si,
11773 stack_protect_test_di): Add earlyclobber for scratch 3.
11774 * config/rs6000/rs6000.md (stack_protect_testsi,
11775 stack_protect_testdi): Add earlyclobber for scratch 3,
11776 remove earlyclobber from scratch 4.
11778 Older entries for 2005 can be found in ChangeLog-2005.