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2005-12-14 Adrian Straetling <straetling@de.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
2
3         * config/s390/s390.md ("d0", "1"): New mode attributes.
4         ("<shift>di3", "<shift>si3"): Merge.
5         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
6         ("ashrdi3", "ashrsi3"): Merge.
7         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
8         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
9         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
10         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
11         ("*ashrdi3", "*ashrsi3"): Merge.
12         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
13
14 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
15
16         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
17         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
18         ("*extendqidi2", "*extendqisi2") Merge.
19         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
20         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
21         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
22         Move some patterns to retain partial ordering.
23
24 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
25
26         * config/s390/s390.md ("atype", "length"): Rewrite.
27         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
28
29 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
30
31         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
32
33 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
34
35         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
36         PARALLELs with a mode.
37
38 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
39
40         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
41         cond_expr parameter.
42
43 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
44
45         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
46
47 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
48
49         PR bootstrap/25397:
50
51         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
52         of STACK_REGS bits.
53
54         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
55
56 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
57
58         PR target/25254
59         PR target/24188
60         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
61         DECL_P, call get_section rather than get_named_section.  Supply
62         section flags to it.
63
64 2005-12-14  Ben Elliston  <bje@au.ibm.com>
65
66         * c-common.c (c_common_truthvalue_conversion): Generalise warning
67         for addresses converted to booleans; not just function addresses.
68         * c-typeck.c (build_binary_op): Warn for address comparisons which
69         can never be NULL (eg. func == NULL or &var == NULL).
70         * common.opt (Walways-true): New option.
71         * c-opts.c (c_common_handle_option): Set it with -Wall.
72         * doc/invoke.texi: Document it.
73
74 2005-12-13  Paul Brook  <paul@codesourcery.com>
75
76         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
77         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
78
79 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
80
81         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
82         (EXTRA_MULTILIB_PARTS): Define.
83
84 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
85
86         PR rtl-optimization/20070 / part1
87         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
88         count_or_remove_death_notes with kill == -1.
89         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
90         registers if PROP_POST_REGSTACK is set.
91         (mark_used_reg): Likewise.
92         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
93         REG_UNUSED notes for stack regs.
94         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
95         to match rtx_equiv_p machinery.  Change caller.
96         (outgoing_edges_match): Likewise.
97         (try_crossjump_to_edge): Use struct_equiv_block_eq
98         instead of flow_find_cross_jump.
99         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
100         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
101         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
102         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
103         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
104         (insns_match_p): Update prototype.
105         (flow_find_cross_jump): Remove prototype.
106         (struct_equiv_block_eq, struct_equiv_init): Declare.
107         (rtx_equiv_p, condjump_equiv_p): Likewise.
108         * struct-equiv.c: Include reload.h.
109         (IMPOSSIBLE_MOVE_FACTOR): Define.
110         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
111         (struct_equiv_improve_checkpoint): Likewise.
112         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
113         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
114         (struct_equiv_merge, find_dying_input): Likewise.
115         (resolve_input_conflict, note_local_live): Likewise.
116         (death_notes_match_p): Change parameters and processing
117         to match rtx_equiv_p machinery.  Change caller.
118         (insns_match_p): Likewise.
119         (flow_find_cross_jump): Replace with:
120         (struct_equiv_block_eq).
121
122         Back out this change:
123         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
124           * recog.c (verify_changes): Make it static.
125           * recog.h: Remove the corresponding prototype.
126
127 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
128
129         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
130         values.
131
132 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
133
134         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
135         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
136         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
137         TARGET_MS1_64_001 appropriately.
138         (ms1_machine_reorg): Use TARGET_MS2.
139
140 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
141
142         PR debug/25023
143         PR target/25293
144         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
145         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
146         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
147         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
148         Set mode to SI, adjust constraints.
149         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
150         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
151         32-bit code.
152
153 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
154
155         * c-cppbuiltin.c (builtin_define_float_constants): Add
156         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
157         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
158         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
159         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
160         to "((double)%sL)" otherwise "%s".
161
162 2005-12-13  Paul Brook  <paul@codesourcery.com>
163
164         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
165         apcs/atpcs.
166
167 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
168
169         * tree-flow.h: Allow compilation with a C++ compiler.
170         (struct edge_prediction): Prefix all field names  with "ep_".
171         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
172         (tree_predict_edge, combine_predictions_for_bb): Likewise.
173         (remove_predictions_associated_with_edge): Likewise.
174         
175 2005-12-12  Jeff Law  <law@redhat.com>
176
177         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
178         reassociation code.
179         * passes.c (init_optimization_passes): Run reassociation again
180         after loop optimizations.
181
182 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
183
184         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
185         if necessary.
186         (optimize_stmt): Ditto.
187         (canonicalize_comparison): New function.
188         * tree-ssa-operands.c (swap_tree_operands): Make external.
189         (get_expr_operands): Stop auto-canonicalization.
190         * tree-ssa-reassoc.c: Rewrite.
191         (init_optimization_passes): 
192         * tree-flow.h (swap_tree_operands): Prototype.
193         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
194
195 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
196
197         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
198         indicate function epilogue has been output.
199         (pa_asm_output_mi_thunk): Likewise.
200         (output_deferred_plabels): Put plabels in readonly data section when
201         not generating PIC code.
202         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
203         information.  Add assert.
204         (som_output_comdat_data_section_asm_op): New function.
205         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
206         instead of output_section_asm_op for COMDAT sections.
207
208 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
209
210         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
211         Fix whitespace in vincinity of to-be-installed changes.
212         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
213         (insns_match_p): Likewise.
214
215 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
216
217         * config.gcc (ms1): Replace with ...
218         (mt): ... this.
219         * config/ms1: Rename to ...
220         * config/mt: ... here.  Rename ms1 files to mt.
221         * config/mt/mt.c: Adjust gt-mt.h #include.
222         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
223         (crti.o, crtn.o): Adjust file names.
224
225 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
226
227         * varray.h: Allow compilation with a C++ compiler.
228         (union varray_data_tag): Prefix all field names with "vdt_".
229         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
230         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
231         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
232         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
233         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
234         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
235         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
236         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
237         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
238         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
239         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
240         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
241         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
242         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
243         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
244         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
245         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
246         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
247         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
248         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
249         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
250         VARRAY_TOP_TREE_PTR): Likewise.
251         * varray.c (varray_grow): Likewise.
252         (varray_clear): Likewise.
253
254 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
255
256         PR target/25299
257         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
258         alignment to doubleword if the first field is a double array.
259         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
260
261 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
262
263         * tree-ssa-structalias.c (process_constraint): Remove code to
264         transform addressofs into scalar.
265         (create_variable_info_for): In whole-program IPA, globals don't
266         point to ANYTHING by default.
267
268 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
269
270         * timevar.def (TV_IPA_PTA): New.
271         * tree-pass.h (pass_ipa_pta): New
272         * tree-ssa-structalias.c: Include cgraph.h
273         (in_ipa_mode): New.
274         (predbitmap_obstack): New.
275         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
276         (struct constraint_stats): Add num_edges.
277         (new_var_info): Don't call bitmap_clear.
278         (struct constraint_edge): Update docs.
279         (new_constraint_edge): Remove src param.
280         (struct constraint_graph): Add zero_weight_succs,
281         zero_weight_preds.  Update docs.
282         (constraint_expr_equal): Reformat.
283         (constraint_edge_equal): Update for removal of src.
284         (constraint_edge_less): Ditto.
285         (constraint_edge_vec_find): Ditto.
286         (erase_graph_self_edge): Update for removal of src and and zero
287         weight bitmap.
288         (clear_edges_for_node): Ditto.
289         (add_graph_edge): Ditto.
290         (get_graph_weights): Ditto.
291         (allocate_graph_weights): Ditto.
292         (merge_graph_nodes): Ditto.
293         (int_add_graph_edge): Ditto.
294         (valid_graph_edge): Ditto.
295         (valid_weighted_graph_edge): Ditto.
296         (build_constraint_graph): Ditto.
297         (scc_visit): Ditto.
298         (collapse_nodes): Ditto.
299         (process_unification_queue): Ditto.
300         (topo_visit): Ditto.
301         (solve_graph): Ditto.
302         (do_structure_copy): Ditto.
303         (perform_var_substitution): Ditto.
304         Init and release obstack.
305         (handle_ptr_arith): Try to resolve directly.
306         (find_func_aliases): Don't call update_alias_info here
307         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
308         (do_sd_constraint): Add code for propagating faster.
309         Update.
310         (do_ds_constraint): Ditto.
311         (count_num_arguments): New function.
312         (create_function_info_for): Ditto.
313         (create_variable_info_for): Handle FUNCTION_DECL.
314         (intra_create_variable_infos): Use make_constraint_to_anything.
315         (init_alias_vars): Init obstacks here.
316         (need_to_solve): Handle zero weight graph changes.
317         (compute_points_to_sets): Call update_alias_info here.
318         (delete_points_to_sets): Free zero weight preds/succs here.
319         (gate_ipa_pta): New.
320         (ipa_pta_execute): New
321
322 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
323
324         * tree-ssa-structalias.c (var_anyoffset): Removed.
325         (anyoffset_tree): Ditto.
326         (anyoffset_id): Ditto.
327         (do_deref): Take vector of constraints, no return value.
328         Update to work on vector.                
329         (get_constraint_for): Ditto.
330         (get_constraint_for_component_ref): Ditto.
331         (do_structure_copy): Ditto.
332         (handle_ptr_arith): Ditto.
333         (find_func_aliases): Ditto.
334         (set_uids_in_ptset): Remove anyoffset handling.
335         (init_base_vars): Ditto.
336
337 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
338
339         PR c++/25010
340         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
341         DECL_EXTERNAL functions have no bodies.  Tidy.
342
343 2005-12-10  Andreas Schwab  <schwab@suse.de>
344
345         * except.c (switch_to_exception_section): Only define if
346         TARGET_UNWIND_INFO is not defined.
347
348 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
349
350         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
351         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
352
353 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
354
355         * output.h (init_section, fini_section): Delete.
356         * varasm.c (init_section, fini_section): Delete.
357         (init_varasm_once): Don't initialize them.
358         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
359         there are no corresponding varasm.c variables.
360
361 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
362
363         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
364         of EH_FRAME_SECTION_NAME into...
365         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
366         if it is still null.
367         * except.c (default_exception_section): Delete, moving most
368         of the code to...
369         (switch_to_exception_section): ...this new function.  Set
370         exception_section if it is still null, then switch to it.
371         (output_function_exception_table): Use switch_to_exception_section.
372         * varasm.c (exception_section, eh_frame_section): Update comments.
373         (get_section): Hoist use of SECTION_NAMED.
374         (init_varasm_once): Don't set exception_section and eh_frame_section.
375         * output.h (default_exception_section): Delete.
376         (default_eh_frame_section): Delete.
377
378 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
379
380         * config/bfin/bfin.c: Include "cgraph.h".
381         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
382         Return the reg that holds the pointer to the GOT.
383         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
384         doing stack checking.
385
386 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
387
388         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
389         recompute_tree_invarant_for_addr_expr.
390         Update uses everywhere.
391
392 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
393
394         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
395         (MULTILIB_DIRNAMES): Define.
396
397 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
398
399         PR target/25311
400         * config/s390/s390.c (struct s390_address): New field literal_pool.
401         (s390_decompose_address): Compute literal_pool field.  Do not 
402         assume register %r13 is always (and solely) used as pool base.
403         (s390_extra_constraint_str): Use literal_pool field.
404
405 2005-12-09  Thiemo Seufer  <ths@networkno.de>
406
407         * config/mips/mips.c (override_options): Don't allow too small
408         integers in FP registers.
409
410 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
411
412         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
413         targetm.binds_local_p to check for local function calls.
414
415 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
416
417         PR debug/24908
418         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
419         call_used_regs can't be used to save reg in another reg.
420
421 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
422             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
423
424         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
425         abort.
426         * except.c (output_ttype): Likewise.
427         * tree-object-size.c (collect_object_sizes_for): Likewise.
428         (check_for_plus_in_loops_1): Likewise.
429         (check_for_plus_in_loops): Likewise.
430         (compute_object_sizes): Use gcc_unreachable instead of abort.
431
432 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
433
434         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
435         (loop_end, loop_init, doloop_end): New insns.
436         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
437         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
438         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
439         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
440         * config/ms1/ms1.c: #include basic-block.h
441         (struct machine_function): Add has_loops field.
442         (ms1_add_loop): New.
443         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
444         (struct loop_info, struct loop_work): New.
445         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
446         (ms1_reorg_loops): New loop optimization.
447         (ms1_machine_reorg): Call it.
448         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
449
450 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
451
452         PR tree-optimization/25248
453         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
454         evolution_of_loop from the failed attempt.  Remove handling
455         of MULT_EXPR.
456
457 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
458
459         * tree.h (DECL_EXTERNAL): Clarify documentation.
460
461 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
462             Jakub Jelinek  <jakub@redhat.com>
463
464         PR target/25268
465         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
466         argument.  Don't drop outer ANDs.
467         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
468         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
469         prototype.
470         * config/s390/predicates.md (setmem_operand): Remove.
471         (shift_count_operand): Rename to...
472         (shift_count_or_setmem_operand): ... this.  Adjust
473         s390_decompose_shift_count caller.
474         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
475         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
476         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
477         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
478         rotl<mode>3_and, setmem_long_and): New insns.
479         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
480         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
481         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
482         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
483         of shift_count_operand.
484         (setmem_long): Use shift_count_or_setmem_operand instead of
485         setmem_operand.
486
487 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
488             Andreas Tobler  <a.tobler@schweiz.ch>
489
490         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
491         tr expression.
492
493 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
494
495         * expr.c (force_operand): Use convert_to_mode for conversions.
496
497 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
498
499         * reload.h (reg_equiv_invariant): Declare.
500         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
501         register also when reg_equiv_invariant[R] is set.
502
503 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
504             Andreas Tobler  <a.tobler@schweiz.ch>
505
506         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
507
508 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
509
510         * tree-ssa-pre.c (bitmap_set_and): New function.
511         (bitmap_set_and_compl): New function.
512         (bitmap_set_empty_p): New function.
513         (insert_extra_phis): New function.
514         (compute_avail): Use insert_extra_phis.
515
516 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
517
518         * config/s390/s390.c (s390_expand_atomic): New function.
519         Adjust comment of helper functions.
520         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
521         * config/s390/s390.md ("ATOMIC"): New code macro.
522         ("atomic"): Corresponding new code attribute.
523         ("sync_lock_test_and_set[hq]i", 
524         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
525
526 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
527
528         * config/s390/s390.c (s390_expand_mask_and_shift, 
529         struct alignment_context, init_alignment_context, 
530         s390_expand_cs_hqi): New.
531         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
532         * config/s390/s390.md ("sync_compare_and_swaphi",
533         "sync_compare_and_swapqi"): New pattern.
534
535 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
536
537         Fix PR tree-optimization/25291
538         * tree-ssa-operands.c (add_call_clobber_ops): Remove
539         redundant and crashing check.
540
541 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
542
543         PR target/25212
544         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
545         tests further when !strict && reload_in_progress.
546         (print_operand): Check that both operands of indexed address are regs.
547         (print_operand_address): Likewise.
548         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
549         (INT_REG_OK_FOR_BASE_P): Correct.
550
551 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
552
553         Preparation for PR rtl-optimization/20070 / part1
554         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
555         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
556         outgoing_edges_match.
557         (outgoing_edges_match): Use condjump_equiv_p.
558         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
559         into..
560         * struct-equiv.c: New file.
561         (death_notes_match_p) New function, broken out of insns_match_p.
562         * Makefile.in (OBJS-common): Add struct-equiv.o.
563         (struct-equiv.o): New target.
564
565 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
566
567         * coretypes.h: Revert previous change.
568         * config/darwin.h: Revert previous reversion.
569         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
570
571 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
572
573         * coretypes.h (section): Provide dummy definition for target files.
574         * config/darwin.h: Revert previous change.
575
576 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
577
578         * doc/sourcebuild.texi (all.build, install-normal): Remove.
579         * configure.ac: Remove all.build and install-normal from target_list
580         * configure: Regenerate.
581         * Makefile.in (install): Don't depend on install-normal.
582
583 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
584
585         * Makefile.in: Document the use of stamps.
586
587 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
588
589         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
590         * Makefile.in: Add code to compute some dependencies on s-gtype
591         automatically.  Remove the declaration of those dependencies.
592
593 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
594
595         * gcc/reload.c (push_secondary_reload): Fix typo:
596         s/insn_constraint/scratch_constraint/.
597
598 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
599
600         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
601
602 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
603
604         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
605         (alpha_elf_select_rtx_section): Return the selected section rather
606         than emitting assembly code.
607         (alpha_write_linkage): Emit a ".link" directive directly and then
608         set in_section to NULL.
609         (vms_asm_out_constructor): Use switch_to_section.
610         (vms_asm_out_destructor): Likewise.
611         (unicosmk_output_common): Set in_section to NULL instead of calling
612         the dummy common_section function.
613         (unicosmk_text_section): Delete in favor of...
614         (unicosmk_output_text_section_asm_op): ...this new function.
615         (unicosmk_data_section): Delete in favor of...
616         (unicosmk_output_data_section_asm_op): ...this new function.
617         (unicosmk_init_sections): New function.
618         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
619         (unicosmk_output_ssib): Set in_section to NULL instead of calling
620         the dummy ssib_section function.
621         (unicosmk_section_buf): Delete.
622         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
623         (unicosmk_data_section): Delete.
624         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
625         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
626         (SECTION_FUNCTION_TEMPLATE): Delete.
627         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
628         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
629         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
630         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
631         (TARGET_ASM_INIT_SECTIONS): Define.
632         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
633         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
634         (link_section, literals_section): Delete.
635         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
636         set in_section to NULL.
637
638         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
639         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
640         (COMMON_SECTION): Delete.
641         (TARGET_ASM_INIT_SECTIONS): Define.
642         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
643         the dummy common_section function.
644         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
645         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
646         between readonly_data_section and text_section to check whether
647         read-only data is being put in the text section.
648         (arm_output_function_epilogue): Use switch_to_section.
649         (arm_elf_asm_constructor): Likewise.
650         (thumb_call_via_reg): Replace call to in_text_section with
651         a comparison between in_section and text_section.
652         (arm_file_end): Use switch_to_section.
653         (aof_text_section): Delete in favor of...
654         (aof_output_text_section_asm_op): ...this new function.
655         (aof_data_section): Delete in favor of...
656         (aof_output_data_section_asm_op): ...this new function.
657         (aof_asm_init_sections): New function.
658         (zero_init_section): Moved from config/arm/aof.h.
659         (aof_dump_imports, aof_file_start): Use switch_to_section.
660         * config/arm/arm.h (thumb_call_via_label): Update comment.
661         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
662         (common_section): Delete.
663         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
664         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
665         global switch_to_section function instead of the old port-local one.
666         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
667         (SWITCH_TO_SECTION_FUNCTION): Delete.
668         (drectve_section): Redefine as a macro.
669         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
670         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
671         switch_to_section.
672
673         * config/avr/avr.c (progmem_section): New variable.
674         (avr_output_progmem_section_asm_op): New function.
675         (avr_asm_init_sections): New function.
676         (avr_output_addr_vec_elt): Use switch_to_section.
677         * config/avr/avr.h (progmem_section): Declare.
678         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
679         (READONLY_DATA_SECTION): Delete.
680         (TARGET_ASM_INIT_SECTIONS): Define.
681         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
682         * config/avr/avr-protos.h (progmem_section): Delete.
683
684         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
685
686         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
687         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
688
689         * config/darwin-sections.def: New file.
690         * config/darwin.c: Define all sections in darwin-sections.def.
691         (output_objc_section_asm_op, darwin_init_sections): New functions.
692         (machopic_output_indirection): Use switch_to_section.
693         (machopic_select_section): Return the selected section rather than
694         emitting assembly code.  Replace the static function table with
695         inline conditional expressions.  Update the tests of last_text_section
696         and move them into the FUNCTION_DECL block.
697         (machopic_select_rtx_section): Return the selected section rather than
698         emitting assembly code.
699         (machopic_asm_out_constructor, machopic_asm_out_destructor)
700         (darwin_file_end): Use switch_to_section.
701         * config/darwin.h: Use darwin-sections.def to declare sections.
702         (INIT_SECTION_ASM_OP): Remove empty definition.
703         (HAS_INIT_SECTION): Define this instead.
704         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
705         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
706         (TARGET_ASM_EH_FRAME_SECTION): Delete.
707         (TARGET_ASM_INIT_SECTIONS): Define.
708         * config/darwin-protos.h (darwin_init_sections): Declare.
709         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
710         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
711         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
712         (constructor_section, destructor_section, mod_init_section): Delete.
713         (mod_term_section): Delete.
714         (darwin_exception_section, darwin_eh_frame_section): Delete.
715         (machopic_select_section): Return a section.
716         (machopic_select_rtx_section): Likewise.
717         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
718         (const_section, const_coal_section, const_data_section): Delete.
719         (const_data_coal_section, data_coal_section, cstring_section): Delete.
720         (literal4_section, literal8_section, constructor_section): Delete.
721         (mod_init_section, mod_term_section, destructor_section): Delete.
722         (objc_class_section, objc_meta_class_section, objc_category_section)
723         (objc_class_vars_section, objc_instance_vars_section): Delete.
724         (objc_cls_meth_section, objc_inst_meth_section): Delete.
725         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
726         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
727         (objc_symbols_section, objc_module_info_section): Delete.
728         (objc_image_info_section, objc_protocol_section): Delete.
729         (objc_string_object_section, objc_constant_string_object_section)
730         (objc_class_names_section, objc_meth_var_names_section): Delete.
731         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
732         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
733         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
734         (darwin_exception_section, darwin_eh_frame_section): Delete.
735         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
736
737         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
738         (frv_asm_out_destructor): Likewise.
739         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
740         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
741         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
742         get_named_section.
743         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
744         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
745         (data_section): Delete.
746
747         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
748         (DRECTVE_SECTION_FUNCTION): Delete.
749         (drectve_section): Redefine as a macro that sets in_section after
750         emitting the directive.
751         (SWITCH_TO_SECTION_FUNCTION): Delete.
752         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
753         in_text_section with comparison between in_section and text_section.
754         * config/i386/i386.c (x86_64_elf_select_section): Return the section
755         rather than emitting assembly code.  Use get_named_section.
756         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
757         get_named_section.
758         (machopic_output_stub): Use switch_to_section.
759         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
760         (nwld_named_section_asm_out_destructor): Use get_section and
761         switch_to_section.
762
763         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
764         rather than emitting assembly code.
765         (ia64_rwreloc_select_section): Likewise.
766         (ia64_rwreloc_select_rtx_section): Likewise.
767         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
768         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
769         switch_to_section.
770         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
771         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
772
773         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
774         section rather than emitting assembly code.
775         (iq2000_select_section): Likewise.
776         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
777         (sbss_section): Delete.
778
779         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
780         and get_named_section.
781         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
782
783         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
784         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
785         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
786         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
787         in_section to NULL.
788         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
789         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
790         global switch_to_section function instead of the old port-local one.
791         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
792         (SWITCH_SECTION_FUNCTION): Delete.
793         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
794         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
795         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
796         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
797         in_section to NULL.
798         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
799         global switch_to_section function instead of the old port-local one.
800         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
801
802         * config/mips/mips.c (mips_file_start): Update comment.
803         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
804         (mips_output_aligned_decl_common): Use switch_to_section.
805         (mips_select_rtx_section): Return the section rather than emitting
806         assembly code.  Use get_named_section.
807         (mips_function_rodata_section: Likewise get_section.
808         (build_mips16_function_stub): Use switch_to_section.
809         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
810         (SDATA_SECTION_ASM_OP): Delete.
811         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
812         (EXTRA_SECTION_FUNCTIONS): Delete.
813
814         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
815         (mmix_asm_output_aligned_local): Use switch_to_section.
816
817         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
818         (som_one_only_readonly_data_section): New variables.
819         (pa_output_function_epilogue): Set in_section to NULL instead of
820         calling forget_section.
821         (output_deferred_plabels): Use select_section.
822         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
823         of calling forget_section.
824         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
825         (pa_asm_output_aligned_local): Use select_section.
826         (som_text_section_asm_op): Delete in favor of...
827         (som_output_text_section_asm_op): ...this new function.
828         (pa_som_asm_init_sections): New function.
829         (pa_select_section): Return the section rather than emitting
830         assembly code.
831         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
832         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
833         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
834         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
835         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
836         (som_readonly_data_section, som_one_only_readonly_data_section)
837         (som_one_only_data_section, forget_section): Delete.
838         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
839         (TARGET_ASM_INIT_SECTIONS): Define.
840         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
841
842         * config/rs6000/rs6000.c (read_only_data_section): New variable.
843         (private_data_section, read_only_private_data_section): New variables.
844         (sdata2_section, toc_section): New variables.
845         (rs6000_file_start): Use switch_to_section.
846         (rs6000_assemble_integer): Use comparisons against in_section
847         instead of calling in_toc_section and in_text_section.  Use
848         unlikely_text_section_p.
849         (rs6000_elf_output_toc_section_asm_op): New function, derived
850         from the old rs6000/sysv4.h toc_section function.
851         (rs6000_elf_asm_init_sections): New function.
852         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
853         the section rather than emitting assembly code.
854         (machopic_output_stub): Use switch_to_section.
855         (toc_section): Delete dummy function.
856         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
857         switch_to_section and get_section.
858         (rs6000_xcoff_output_readonly_section_asm_op): New function.
859         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
860         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
861         the old rs6000/xcoff.h toc_section function.
862         (rs6000_xcoff_asm_init_sections): New function.
863         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
864         the section rather than emitting assembly code.
865         (rs6000_xcoff_file_start): Use switch_to_section.
866         (rs6000_xcoff_file_end): Likewise.
867         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
868         (sdata2_section, sbss_section, private_data_section): Delete.
869         (read_only_data_section, read_only_private_data_section): Delete.
870         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
871         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
872         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
873         (FINI_SECTION_FUNCTION): Delete.
874         (TARGET_ASM_INIT_SECTIONS): Define.
875         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
876         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
877         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
878         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
879         (READONLY_DATA_SECTION): Delete.
880         (TARGET_ASM_INIT_SECTIONS): Define.
881         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
882         to NULL rather than no_section.
883         (TARGET_ASM_EXCEPTION_SECTION): Delete.
884
885         * config/sh/sh.c (sh_file_start): Use switch_to_section.
886
887         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
888         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
889         from call to current_function_section.
890
891         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
892         (bss100_section): New variable.
893         (xstormy16_asm_output_aligned_common): Use switch_to_section.
894         (xstormy16_asm_init_sections): New function.
895         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
896         switch_to_section and get_section.
897         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
898         from calls to current_function_section.
899         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
900         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
901         (TARGET_ASM_INIT_SECTIONS): Define.
902         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
903
904         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
905         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
906         (FINI_SECTION_FUNCTION): Delete.
907
908         * config/v850/v850.c: Include gt-v850.h.
909         (rosdata_section, rozdata_section, tdata_section, zdata_section)
910         (zbss_section): New variables.
911         (v850_output_aligned_bss): Use switch_to_section.
912         (v850_asm_init_sections): New function.
913         (v850_select_section): Return the section rather than emitting
914         assembly code.
915         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
916         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
917         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
918         (TARGET_ASM_INIT_SECTIONS): Define.
919         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
920         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
921         (zbss_section): Delete.
922
923         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
924
925         * config/vx-common.h (vxworks_exception_section): Delete.
926         (TARGET_ASM_EXCEPTION_SECTION): Delete.
927
928         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
929         section rather than emitting assembly code.
930         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
931         switch_to_section.
932
933         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
934         * coretypes.h (section): New union and typedef.
935         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
936         from call to current_function_section.
937         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
938         (dbxout_symbol_location): Use switch_to_section.
939         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
940         most of the code into...
941         (default_eh_frame_section): ...here.  Return a section.
942         (collect2_eh_frame_section): Delete, moving most of the code into..
943         (switch_to_eh_frame_section): ...this new function.
944         (debug_info_section, debug_abbrev_section, debug_aranges_section)
945         (debug_macinfo_section, debug_line_section, debug_loc_section)
946         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
947         variables.
948         (output_call_frame_info): Call switch_to_eh_frame_section instead of
949         eh_frame_section.  Use switch_to_section and get_section.
950         (dwarf2out_begin_prologue): Use switch_to_section.
951         (AT_string_form): Check the flags in debug_str_section instead of
952         DEBUG_STR_SECTION_FLAGS.
953         (output_comp_unit): Use switch_to_section, get_section, and
954         debug_info_section.
955         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
956         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
957         from call to current_function_section.
958         (dwarf2out_var_location): Use unlikely_text_section_p.
959         (dwarf2out_source_line): Use switch_to_section.  Remove argument
960         from call to current_function_section.
961         (dwarf2out_start_source_file, dwarf2out_end_source_file)
962         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
963         debug_macinfo_section.
964         (dwarf2out_init): Initialize the new section variables.  Use them
965         instead of calls to named_section_flags.  Use switch_to_section.
966         (output_indirect_string): Use switch_to_section and debug_str_section.
967         (dwarf2out_finish): Use switch_to_section and the new section
968         variables.
969         * except.c (default_exception_section): Return the section instead
970         of emitting assembly code.
971         (output_function_exception_table): Use the global exception_section
972         variable instead of the target hook.  Use switch_to_section.  Remove
973         argument from call to current_function_section.
974         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
975         (shorten_branches): Use pointer comparisons to detect whether the
976         text section is the same as readonly_data_section.
977         (profile_function): Use switch_to_section.  Remove argument from
978         call to current_function_section.
979         (final_scan_insn): Likewise.  Update use of last_text_section.
980         * gengtype.c (open_base_files): Add an include of output.h.
981         * output.h (text_section, data_section, readonly_data_section)
982         (ctors_section, dtors_section, bss_section, init_section)
983         (fini_section, sdata_section): Turn into section pointers.
984         (in_text_section, in_unlikely_text_section, exports_section)
985         (drectve_section, named_section, mergeable_string_section)
986         (last_text_section_name): Delete.
987         (default_exception_section, default_eh_frame_section): Return sections.
988         (SECTION_DECLARED, SECTION_NAMED): New macros.
989         (SECTION_MACH_DEP): Bump value.
990         (section_common, named_section, unnamed_section): New structures.
991         (unnamed_section_callback): New typedef.
992         (section): New union.
993         (sbss_section, exception_section, eh_frame_section): New variables.
994         (in_section, last_text_section): Turn into section pointers.
995         (get_unnamed_section, get_section, get_named_section): New functions.
996         (mergeable_constant_section, function_section): Return a section.
997         (unlikely_text_section): Likewise.
998         (current_function_section): Likewise.  Remove the decl argument.
999         (unlikely_text_section_p, switch_to_section): New functions.
1000         (output_section_asm_op): New function.
1001         (set_named_section_flags, named_section_flags, named_section_real)
1002         (named_section_first_declaration): Delete.
1003         (default_select_section, default_elf_select_section): Return a section.
1004         (default_elf_select_section_1, default_function_rodata_section)
1005         (default_no_function_rodata_section, default_select_rtx_section)
1006         (default_elf_select_rtx_section): Likewise.
1007         * rtl.h (in_data_section): Delete.
1008         * sdbout.c (sdbout_one_type): Use switch_to_section.
1009         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1010         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1011         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1012         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1013         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1014         (TARGET_ASM_OUT): Update after above changes.
1015         * target.h (init_sections): New hook.
1016         (exception_section, eh_frame_section): Delete.
1017         (select_section, select_rtx_section, function_rodata_section): Return
1018         a section rather than emitting assembly code.
1019         * varasm.c (text_section, data_section, readonly_data_section)
1020         (ctors_section, dtors_section, bss_section, init_section)
1021         (fini_section): Turn into section pointers.
1022         (sdata_section, sbss_section, exception_section): New variables.
1023         (eh_frame_section): New variable.
1024         (in_section): Make global and turn into a section pointer.
1025         (last_text_section): Turn into a section pointer.
1026         (unnamed_sections): New variable.
1027         (in_named_name, last_text_section_name): Delete.
1028         (EXTRA_SECTION_FUNCTIONS): Delete.
1029         (in_named_entry): Delete.
1030         (section_htab): New variable, replacing...
1031         (in_named_htab): ...this deleted variable.
1032         (section_entry_eq, section_entry_hash): New functions, based on...
1033         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1034         (get_unnamed_section, get_section): New functions.
1035         (unlikely_text_section): Return a section instead of emitting
1036         assembly code.
1037         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1038         (get_named_section_flags, named_section_first_declaration): Delete.
1039         (unlikely_text_section_p): New function.
1040         (named_section_real, named_section): Delete.
1041         (get_named_section): New function.
1042         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1043         (function_section): Return a section rather than emitting
1044         assembly code.
1045         (current_function_section): Likewise.  Remove argument.  Use
1046         last_text_section if nonnull, otherwise use function_section.
1047         (default_function_rodata_section): Return a section rather than
1048         emitting assembly code.  Use get_section.
1049         (default_no_function_rodata_section): Return a section rather than
1050         emitting assembly code.
1051         (variable_section): Use switch_to_section and get_named_section.
1052         (mergeable_string_section): Return a section rather than emitting
1053         assembly code.  Use get_section.  Make static.  Don't take special
1054         countermeasures for empty strings.
1055         (mergeable_constant_section): Return a section rather than emitting
1056         assembly code.  Use get_section.
1057         (default_named_section_asm_out_destructor): Use switch_to_section
1058         and get_section.
1059         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1060         (default_named_section_asm_out_constructor): Use switch_to_section
1061         and get_section.
1062         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1063         (assemble_start_function): Likewise.  Set last_text_section to
1064         NULL rather than no_section.  Change the type of save_section.
1065         (assemble_zeros, assemble_variable): Use the section flags to detect
1066         whether or not a section is text.
1067         (assemble_static_space): Use switch_to_section.
1068         (assemble_trampoline_template): Likewise.
1069         (output_constant_def_contents): Use switch_to_section and
1070         get_named_section.
1071         (output_constant_pool_1): Use switch_to_section.  Use the section
1072         flags to see whether sections contain mergeable data.
1073         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1074         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1075         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1076         whether a section has already been declared.
1077         (default_select_section, default_elf_select_section): Return a
1078         section rather than emitting assembly code.
1079         (default_elf_select_section_1): Likewise.  Use bss_section for
1080         SECCAT_BSS if nonnull.  Use get_named_section.
1081         (default_select_rtx_section): Return a section rather than
1082         emitting assembly code.
1083         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1084         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1085         (output_section_asm_op, switch_to_section): New functions.
1086         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1087         get_named_section.
1088
1089         * doc/tm.texi: Expand the introduction to the sections documentation.
1090         (TRAMPOLINE_SECTION): Document new interface.
1091         (SDATA_SECTION_ASM_OP): Document new macro.
1092         (READONLY_DATA_SECTION): Delete.
1093         (SDATA_SECTION_ASM_OP): Document new macro.
1094         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1095         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1096         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1097         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1098         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1099
1100 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1101
1102         * gcc.c (init_gcc_specs): Match braces inside conditionally
1103         compiled strings.
1104
1105 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1106
1107         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1108
1109 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1110
1111         PR C++/24138
1112         * tree.c (integer_all_onesp): Always return true if all bits on.
1113
1114         * testsuite/g++.dg/init/array0.C: New.
1115
1116 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1117
1118         * doc/md.texi: Adapt to implementation.
1119
1120 2005-12-06  Andreas Schwab  <schwab@suse.de>
1121
1122         * opts.c (decode_options): Fix typo in message.
1123
1124 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1125
1126         PR other/13873
1127         * longlong.h: Merge PPC tests from upstream.
1128
1129 2005-12-06  Richard Guenther  <rguenther@suse.de>
1130
1131         * fold-const.c (fold_convert): Do not build and fold
1132         CONVERT_EXPR, but always use NOP_EXPR.
1133
1134 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1135
1136         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1137         __builtin_ia32_paddq and __builtin_ia32_subq.
1138         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1139         __builtin_ia32_pshufw.
1140         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1141
1142 2005-12-05  James E Wilson  <wilson@specifix.com>
1143
1144         PR target/24934
1145         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1146         is set.
1147
1148 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1149         
1150         * print-tree.c (print_node): Ditto.
1151         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1152         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1153         before accessing DECL_ARTIFICIAL. 
1154         Handle new tag tree codes.
1155         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1156         changes.
1157         (unmodifiable_var_p): Ditto.
1158         * tree-flow.h (mem_tag_kind): Remove.
1159         (struct var_ann_d): Remove mem_tag_kind member.
1160         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1161         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1162         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1163         (group_aliases): Ditto.
1164         (setup_pointers_and_addressables): Ditto.
1165         (is_escape_site): Ditto.                                          
1166         (may_alias_p): Ditto.
1167         (create_tag_raw): New function.
1168         (create_memory_tag): Use it.
1169         (dump_alias_info): Update for tags.
1170         (may_be_aliased): Ditto.
1171         (add_type_alias): Ditto.
1172         (new_type_alias): Ditto.
1173         (create_sft): Ditto.
1174         (create_structure_vars): Ditto.
1175         * tree-ssa-ccp.c (get_default_value): Ditto.
1176         * tree-ssa-operands.c (get_expr_operands): Ditto.
1177         (add_stmt_operand): Ditto.
1178         (add_call_clobber_ops): Remove duplicated condition.
1179         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1180         tags.
1181         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1182         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1183         * tree.c (init_ttree): Update structures for new tree codes.
1184         (tree_code_size): Update sizes for new tree codes.
1185         (make_node_stat): Don't try to set common things on minimal
1186         structures.
1187         (tree_node_structure): Update for tags.
1188         (is_global_var): Ditto.
1189         * tree.def: Add new tree codes.
1190         * tree.h (MTAG_P): New macro.
1191         (TREE_MEMORY_TAG_CHECK): Ditto.
1192         (SSA_VAR_P): Update for tags.
1193         (struct tree_memory_tag): New structure.
1194         (MTAG_GLOBAL): New macro.
1195         (union tree_node): Add memory tag member.
1196         * treestruct.def (TS_MEMORY_TAG): New.
1197         
1198 2005-12-05  Dale Johannesen  <dalej@apple.com>
1199
1200         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1201         what was approved (PR 24323).
1202
1203 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1204
1205         * doc/c-tree.texi (Function Bodies): Remove description of
1206         RETURN_INIT.
1207
1208 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1209
1210         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1211         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1212         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1213         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1214         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1215         __divxc3): Document.
1216
1217 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1218
1219         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1220         previous behaviour.
1221         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1222         hook_bool_void_false.
1223         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1224         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1225
1226         * config/darwin.c (machopic_select_section): It's not defined
1227         as weak if it's only marked as weak_import.
1228         
1229         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1230         Prototype.
1231
1232         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1233         A hidden weak object does bind locally.  Strong linkonce data
1234         counts like any other strong symbol for binding.
1235         (weak_finish_1): Don't specially handle weakrefs, they no longer
1236         arrive here.
1237         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1238         * c-common.c (handle_alias_attribute): Allow static aliases
1239         of variables.
1240         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1241         * gthr-dce.h: Make weakrefs static.
1242         * gthr-tpf.h: Likewise.
1243         * gthr-solaris.h: Likewise.
1244         * gthr-posix.h: Likewise.
1245         * gthr-posix95.h: Likewise.
1246         * config/darwin.c (darwin_encode_section_info): static weakref
1247         variables are not necessarily defined in this translation unit.
1248         * doc/extend.texi (Function Attributes): Mention that an alias
1249         attribute creates a definition for the thing it's attached to.
1250         Change the documentation for weakref to say that the thing
1251         it's attached to must be static.
1252
1253         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1254         we don't go into an infinite loop.
1255
1256 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1257
1258         * config/rs6000/predicates.md (logical_const_operand): Split
1259         out of logical_operand.
1260         (logical_operand): Use it.
1261         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1262         logical_const_operand.
1263
1264 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1265
1266         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1267         and IX86_BUILTIN_CMPNESS.
1268         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1269         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1270         * config/i386/i386.md (movti_internal): Correct type attribute.
1271         Simplify mode attribute.
1272         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1273         Correct type attribute.
1274         (absxf2): Correct operator.
1275         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1276         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1277         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1278         mode attribute.
1279         (sse2_vmsqrtv2df2): Correct mode attribute.
1280
1281 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1282
1283         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1284         16 bits. Provide insn pattern for this case.
1285
1286 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1287
1288         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1289         result.
1290         (__popcountDI2): Likewise.
1291
1292 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1293
1294         PR target/25166
1295         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1296         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1297         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1298         functions.
1299
1300 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1301
1302         * c-typeck.c (null_pointer_constant_p): New function.
1303         (build_conditional_expr, build_c_cast, convert_for_assignment,
1304         build_binary_op): Use it.
1305
1306 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1307
1308         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1309         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1310         CONVERT_EXPR.
1311         (check_function_arguments_recurse): Allow both NOP_EXPR and
1312         CONVERT_EXPR but check conversions preserve precision.
1313         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1314         but check conversions preserve precision.
1315         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1316         default case.
1317
1318 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1319
1320         PR c/7776
1321         * common.opt (Wstring-literal-comparison): New command line option.
1322         * c-opts.c (c_common_handle_option): Set it with -Wall.
1323         * c-typeck.c (parser_build_binary_op): Issue warning if either
1324         operand of a comparison operator is a string literal, except for
1325         testing equality or inequality against NULL.
1326
1327         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1328
1329 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1330
1331         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1332         of building a NOP_EXPR.
1333         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1334         NOP_EXPR.
1335         * c-convert.c (convert): Use fold_convert instead of building
1336         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1337         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1338         #if 0 code.
1339         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1340         NOP_EXPR the same as CONVERT_EXPR.
1341         * c-typeck.c (build_function_call): Use fold_convert instead of
1342         building a NOP_EXPR directly.
1343         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1344
1345 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1346
1347         PR rtl-optimization/25197
1348         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1349         have a reg.
1350
1351 2005-12-02  Stuart Hastings  <stuart@apple.com>
1352
1353         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1354         warning.
1355
1356 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1357
1358         * c-typeck.c (default_function_array_conversion,
1359         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1360         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1361         orig_op2.  Don't check them for NOP_EXPR.
1362         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1363         around integer zero.
1364
1365 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1366
1367         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1368         toc_save_offset, toc_size, lr_size.
1369         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1370         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1371         Adjust for removal of unused rs6000_stack_t fields.
1372         (debug_stack_info): Adjust.
1373         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1374         first, and don't bother checking for set/inc of lr on sibcalls.
1375         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1376
1377 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1378
1379         PR target/25199
1380         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1381         5 if operand 1 is not aligned.  Undo previous constraint change.
1382         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1383
1384 2005-12-02  Richard Guenther  <rguenther@suse.de>
1385
1386         * tree.h (build): Remove prototype.
1387         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1388         * tree.c (build): Remove.
1389         (build0_stat): Update comment.
1390
1391 2005-12-02  Richard Guenther  <rguenther@suse.de>
1392
1393         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1394         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1395         Likewise.
1396         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1397         maybe_fold_offset_to_component_ref): Likewise.
1398         * tree-ssa-dom.c (thread_across_edge,
1399         simplify_rhs_and_lookup_avail_expr,
1400         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1401         Likewise.
1402         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1403         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1404         lower_try_finally_switch): Likewise.
1405         * tree-if-conv.c (add_to_dst_predicate_list,
1406         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1407         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1408         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1409         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1410         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1411         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1412         gimplify_init_ctor_eval, gimplify_init_constructor,
1413         gimplify_variable_sized_compare, gimplify_boolean_expr,
1414         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1415         gimplify_expr, gimplify_body, gimplify_function_tree,
1416         force_gimple_operand): Likewise.
1417         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1418         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1419         mx_register_decls): Likewise.
1420         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1421         get_frame_field, finalize_nesting_tree_1): Likewise.
1422         * tree-inline.c (setup_one_parameter): Likewise.
1423         * tree-vect-transform.c (vectorizable_condition): Likewise.
1424         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1425         Likewise.
1426         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1427         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1428         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1429         * tree-chrec.h (build_polynomial_chrec): Likewise.
1430
1431 2005-12-02  Richard Guenther  <rguenther@suse.de>
1432
1433         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1434         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1435         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1436         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1437         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1438         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1439         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1440         Likewise.
1441         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1442         sh_adjust_unroll_max): Likewise.
1443         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1444         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1445         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1446         Likewise.
1447         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1448         Likewise.
1449         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1450         Likewise.
1451
1452 2005-12-02  Richard Guenther  <rguenther@suse.de>
1453
1454         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1455         simplify_cond_using_ranges): Use buildN instead of build.
1456         * tree-tailcall.c (adjust_accumulator_values,
1457         adjust_return_value): Likewise.
1458         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1459         generate_element_copy, generate_element_zero,
1460         generate_one_element_init): Likewise.
1461         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1462         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1463         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1464         perfect_nestify): Likewise.
1465
1466 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1467
1468         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1469
1470 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1471
1472         * ggc.h (GGC_RESIZEVEC): New.
1473
1474 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1475
1476         * gcc.c (execute): Improve readability.
1477
1478 2005-12-02  Richard Guenther  <rguenther@suse.de>
1479
1480         * tree-cfg.c (mark_used_vars): New function.
1481         (dump_function_to_file): Dump only used VAR_DECLs.
1482
1483 2005-12-02  Richard Guenther  <rguenther@suse.de>
1484
1485         * convert.c (convert_to_integer): Fix compare for nonpositive
1486         constant to use tree_int_cst_sgn <= 0.
1487
1488 2005-12-02  Richard Guenther  <rguenther@suse.de>
1489
1490         * convert.c (convert_to_integer): Use fold_convert instead
1491         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1492         instead of comparing against 0.  Use build_int_cst instead
1493         of converting integer_zero_node.
1494
1495 2005-12-02  Richard Guenther  <rguenther@suse.de>
1496
1497         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1498         and RROTATE_EXPR.
1499  
1500 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1501
1502         PR target/21017
1503         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1504         rotates.
1505
1506 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1507
1508         PR middle-end/25176
1509         * function.c (expand_function_end): Emit blockage for unwinder
1510         after return label.
1511
1512 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1513
1514         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1515         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1516         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1517         integer constant comparisons.
1518
1519 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1520             Janis Johnson  <janis187@us.ibm.com>
1521             David Edelsohn  <dje@watson.ibm.com>
1522             Ben Elliston  <bje@au.ibm.com>
1523
1524         * dfp.h, dfp.c: New files.
1525         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1526         (DECNUM_H): Likewise.
1527         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1528         (INCLUDES): Append $(DECNUMINC).
1529         (OBJS-common): Add dfp.o.
1530         (dfp.o): New rule.
1531         * real.h (EXP_BITS): Pinch one bit to ..
1532         (struct real_value): Add decimal field.
1533         (real_format): Change table size, update documentation.
1534         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1535         (real_from_string3): Declare.
1536         (decimal_single_format): Declare.
1537         (decimal_double_format): Declare.
1538         (decimal_quad_format): Declare.
1539         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1540         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1541         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1542         * real.c: Include dfp.h.
1543         (normalize): Early return for decimal floats.
1544         (do_add): Zero decimal field.
1545         (do_compare): Call do_decimal_compare for decimal floats.
1546         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1547         (real_arithmetic): Call decimal_real_arithmetic for decimal
1548         floating point operands.
1549         (real_identical): If a and b are of differing radix, return false.
1550         (real_to_integer): Call decimal_real_to_integer if the value is a
1551         decimal float.
1552         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1553         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1554         (real_to_hexadecimal): Place "N/A" in the return string for
1555         decimal float.
1556         (real_from_string3): New variant, given a mode.
1557         (real_maxval): Use decimal_real_maxval for decimal floats.
1558         (round_for_format): Use decimal_round_for_format for decimals.
1559         (real_convert): Use decimal_real_convert where appropriate.
1560         (significand_size): Handle base 10.
1561         (encode_decimal_single, decode_decimal_single,
1562         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1563         decode_decimal_quad): New functions.
1564         (decimal_single_format): New.
1565         (decimal_double_format): New.
1566         (decimal_quad_format): New.
1567         * machmode.def: Add SD, DD and TD decimal floating point modes.
1568         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1569         Include MODE_DECIMAL_FLOAT.
1570         (DECIMAL_FLOAT_MODE_P): New.
1571         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1572         * genmodes.c (struct mode_data): Add counter field.
1573         (struct mode_data): Update comment for format.
1574         (blank_mode): Initialise counter field.
1575         (new_mode): Increment counter field for each mode defined.
1576         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1577         using a format.
1578         (make_complex_modes): Handle modes containing `D'.
1579         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1580         (make_decimal_float_mode): New.
1581         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1582         (cmp_modes): Compare counter field if other characteristics
1583         similar.
1584         (emit_real_format_for_mode): Support formats for decimal floats.
1585         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1586         Document MODE_DECIMAL_FLOAT.
1587
1588 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1589
1590         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1591         Delete dead code.
1592
1593 2005-12-01  Richard Henderson  <rth@redhat.com>
1594
1595         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1596
1597 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1598
1599         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1600
1601         * config/pa/pa.c (pa_init_builtins): If we detect
1602         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1603         putc_unlocked.
1604
1605 2005-12-01  Richard Guenther  <rguenther@suse.de>
1606
1607         * fold-const.c (fold_binary): Use fold_build2, not
1608         fold (build (...)).
1609
1610 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1611
1612         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1613
1614         * vec.h (VEC_block_remove): New.
1615
1616 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1617
1618         PR c/13384
1619         * c-common.c (lvalue_error): Fix wording.
1620
1621 2005-12-01  Richard Guenther  <rguenther@suse.de>
1622
1623         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1624         thinko in last patch.
1625
1626 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1627
1628         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1629         than -flat_namespace.
1630
1631 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1632
1633         * mklibgcc.in: Parameterise the script to build soft float
1634         functions by iterating over each type, rather than cloning the
1635         code for each type.
1636
1637 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1638
1639         PR middle-end/25158
1640         * builtins.c (fold_builtin_fputs): Defer check for missing
1641         replacement functions.
1642
1643 2005-11-30  Kean Johnston  <jkj@sco.com>
1644
1645         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1646         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1647
1648 2005-11-30  Richard Guenther  <rguenther@suse.de>
1649
1650         PR tree-optimization/22501
1651         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1652         function split out from ...
1653         (forward_propagate_addr_expr): ... here.  Use it to propagate
1654         ADDR_EXPRs to all uses.
1655
1656 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1657
1658         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1659         * builtins.c (expand_builtin_mathfn): Use them.
1660         (expand_builtin_mathfn_2): Likewise.
1661         (expand_builtin_mathfn_3): Likewise.
1662         (expand_builtin_int_roundingfn): Likewise.
1663         (expand_builtin): Likewise.
1664         (integer_valued_real_p): Likewise.
1665         (fold_builtin_int_roundingfn): Likewise.
1666         (fold_builtin_bitop): Likewise.
1667         (fold_builtin_logarithm): Likewise.
1668         (fold_builtin_1): Likewise.
1669         * convert.c (convert_to_integer): Likewise.
1670         * fold-const.c (negate_mathfn_p): Likewise.
1671         (tree_expr_nonnegative_p): Likewise.
1672
1673 2005-11-30  Dale Johannesen  <dalej@apple.com>
1674             Andrew Pinski  <pinskia@physics.uc.edu>
1675
1676         * combine.c (find_split_point):  Sign extend bitmask
1677         when changing bitfield assignment to IOR of AND.
1678
1679 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1680
1681         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1682         clobber to scratch reg.
1683         (*decrement_and_branch_until_zero_no_clobber): Remove.
1684         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1685         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1686         * config/ms1/ms1.opt (mmul): Remove.
1687         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1688         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1689
1690 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1691             Bernd Schmidt  <bernd.schmidt@analog.com>
1692
1693         * pa/predicates.md (symbolic_operand): Add comment.
1694         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1695         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1696         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1697         (pa_secondary_reload_class): Delete.
1698         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1699         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1700         copy of symbolic operand.
1701         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1702
1703 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1704
1705         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1706         jump.
1707
1708 2005-11-30  Jeff Law  <law@redhat.com>
1709
1710         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1711         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1712
1713 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1714
1715         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1716         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1717         (ia64_expand_move): Adjust caller.
1718
1719         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1720         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1721         negate VAL.
1722
1723 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1724
1725         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1726         Always produce an output if we can remove NEGs or canonicalize
1727         (minus (minus ...)) expressions.  Provide a fast path for the
1728         two-operand case.
1729         (simplify_gen_binary): Do not call simplify_plus_minus.
1730         (simplify_binary_operation_1): Reassociate at the end of the
1731         function.
1732
1733 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1734
1735         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1736         moves and unpack to speed up.
1737
1738 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1739
1740         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1741         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1742         (gen_v9_scc): Update callers.
1743         * config/sparc/sparc.md: Likewise.
1744         * config/sparc/sparc-protos.h: Update extern declaration.
1745
1746         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1747
1748 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1749
1750         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1751         the if.
1752
1753 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1754
1755         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1756         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1757         (negate_expr): Here.
1758
1759 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1760
1761         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1762         Fix typo in comment.
1763
1764 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1765
1766         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1767         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1768
1769 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1770
1771         PR middle-end/20109
1772         PR middle-end/25120
1773         * builtins.c (init_target_chars): New.
1774         (expand_builtin_printf, expand_builtin_fprintf,
1775         expand_builtin_sprintf, fold_builtin_sprintf,
1776         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1777         fold_builtin_snprintf_chk, fold_builtin_printf,
1778         fold_builtin_fprintf): Check for matching format strings using
1779         the target charset.
1780
1781 2005-11-29  Paul Brook  <paul@codesourcery.com>
1782
1783         * config.gcc: Do not use fixproto on m68k-elf.
1784
1785 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1786
1787         * expmed.c (div_cost): Replace with...
1788         (sdiv_cost, udiv_cost): New.
1789         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1790         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1791         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1792         (expand_divmod): Replace use of div_cost with either sdiv_cost
1793         or udiv_cost depending upon the signedness of the operation.
1794
1795 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1796
1797         PR libfortran/24991
1798         * config/darwin.c (machopic_indirection_name,
1799         machopic_output_indirection): Follow transparent alias chain.
1800
1801 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1802
1803         * varasm.c (ultimate_transparent_alias_target): Add comment.
1804
1805 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1806
1807         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1808         SET_SRC instead of XEXP where appropriate.
1809
1810 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1811
1812         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1813         __builtin_expect.
1814
1815 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1816
1817         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1818         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1819         bit at a time.
1820
1821 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1822
1823         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1824         secondary_input_reload_class, made static.  Adapt to new
1825         infrastructure.
1826         (secondary_output_reload_class): Delete.
1827         (TARGET_SECONDARY_RELOAD): New macro.
1828         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1829         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1830
1831 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1832
1833         PR c++/21166
1834         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1835         when its natural alignment is > BITS_PER_UNIT.
1836         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1837         * c-common.c (handle_packed_attribute): Ignore packing on a field
1838         whose type is naturally char aligned.
1839
1840 2005-11-28  Richard Guenther  <rguenther@suse.de>
1841
1842         * c-common.c (strict_aliasing_warning): Handle all
1843         component-ref like accesses.
1844
1845 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1846             Uros Bizjak  <uros@kss-loka.si>
1847
1848         PR middle-end/20219
1849         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1850         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1851         when flag_unsafe_math_optimizations is set and
1852         we don't care about NaNs or Infinities.
1853
1854         Move x/expN(y) and x/pow(y,z) transformation into common
1855         flag_unsafe_math_optimizations section.
1856
1857 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1858
1859         * gcc.c (main): Change type of argv to "char **".
1860
1861 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1862
1863         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1864         small data sections.
1865         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1866         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1867         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1868         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1869         output locals to sbss if !rs6000_elf_in_small_data_p.
1870         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1871
1872 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1873
1874         PR target/24997
1875         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1876         generated by reload.
1877         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1878         indexed_or_indirect_address.
1879         (indexed_or_indirect_address): Don't test for base reg.  Call
1880         address_operand last.  Make it a special predicate.
1881
1882 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1883
1884         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1885
1886 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1887
1888         PR middle-end/24575
1889         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1890         is undefined.
1891         (negate_expr): Likewise.
1892
1893 2005-11-27  Andreas Schwab  <schwab@suse.de>
1894
1895         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1896         redundant parens.
1897
1898 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1899
1900         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1901         has EH predecessor edges.
1902
1903 2005-11-26  Eric Christopher  <echristo@apple.com>
1904
1905         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1906         register stalls by zero extending to the full register.
1907
1908 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1909
1910         * config/floatunsisf.c, config/floatunsidf.c,
1911         config/floatunsixf.c, config/floatunsitf.c: New files.
1912         * config/ia64/t-hpux: Add floatunsitf.c.
1913         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1914         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1915
1916 2005-11-26  Richard Henderson  <rth@redhat.com>
1917
1918         * c-lex.c (pragma_lex): Rename from c_lex.
1919         * c-pch.c: Update for pragma_lex rename.
1920         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1921         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1922         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1923         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1924         * doc/tm.texi: Likewise.
1925
1926 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1927
1928         PR middle-end/23669
1929         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1930         when overflow is undefined.
1931
1932 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1933
1934         * doc/md.texi (Insn Canonicalizations): Refer to the
1935         function commutative_operand_precedence for further rules.
1936
1937 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1938
1939         PR middle-end/21309
1940         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1941         is less than zero.  Limit mult_cost to a reasonable upper bound for
1942         the synthetic multiplication sequence.
1943
1944 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1945
1946         PR middle-end/25022
1947         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1948         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1949         Lookup the explicit replacement functions for any unlocked
1950         stdio builtin transformations.
1951
1952 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1953
1954         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1955         earlyclobber.
1956         * targhooks.c (default_secondary_reload): Don't require operand 2
1957         for an input reload to be earlyclobber.
1958
1959 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1960
1961         * fold-const.c (negate_mathfn_p): Fix comment and add support
1962         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1963         BUILT_IN_ATANH.
1964
1965 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1966
1967         PR middle-end/24998
1968         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1969         _Q_ulltoq for unsigned conversions from SImode and DImode to
1970         TFmode.
1971
1972 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1973
1974         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1975         (__floatundidf, __floatundisf): Likewise.
1976
1977 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1978
1979         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1980         (rs6000_override_options): Remove initialization of
1981         rs6000_sr_alias_set.
1982         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1983         (rs6000_emit_stack_tie): Same.
1984         (emit_frame_save): Same.
1985         (gen_frame_mem_offset): Same.
1986         (rs6000_emit_prologue): Same.
1987         (rs6000_emit_epilogue): Same.
1988
1989 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1990
1991         PR middle-end/24989
1992         * fold-const.c (fold_build): Convert bool_var != 1 and
1993         bool_var == 0 to !bool_var.
1994
1995 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1996
1997         PR middle-end/24990
1998         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1999         for C being INTEGER_CST.  Likewise for !=.
2000
2001 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2002
2003         PR middle-end/24998
2004         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2005         unsigned conversions from SImode to TFmode.
2006
2007 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2008
2009         * expr.c (expand_expr_real_1): Fix error in last change.
2010
2011 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2012
2013         * caller-save.c: (this_insn_sets): Move into:
2014         (save_call_clobbered_regs).
2015         (mark_set_regs): Get this_insn_sets from data.
2016
2017         (save_call_clobbered_regs): Take sets of the return value by
2018         sibcalls into account.
2019
2020 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2021         PR target/21623:
2022
2023         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2024         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2025         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2026         (memory_move_secondary_cost, init_reg_autoinc): Remove
2027         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2028         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2029         secondary_reload_class call.
2030         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2031         callers.
2032         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2033         (push_secondary_reload): Use secondary_reload target hook.
2034         (secondary_reload_class, scratch_reload_class): New functions.
2035         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2036         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2037         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2038         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2039         (secondary_reload_class, scratch_reload_class): Declare.
2040         * reload1.c: Include target.h.
2041         (reload_adjust_reg_for_temp): New function.
2042         (reload_adjust_reg_for_icode): Likewise.
2043         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2044         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2045         call.
2046         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2047         for inheritance.  Support case when both secondary & tertiary reloads
2048         are for intermediate registers.
2049         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2050         with secondary_reload_class call.  Support case when both secondary
2051         & tertiary reloads are for intermediate registers.
2052         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2053         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2054         * target.h (secondary_reload_info): New struct / typedef.
2055         (struct gcc_target): New member secondary_reload.
2056         * targhooks.c Include reload.h, optabs.h and recog.h.
2057         (default_secondary_reload): New function.
2058         * targhooks.h (default_secondary_reload): Declare.
2059         * doc/tm.texi: Document secondary_reload target hook.  Update
2060         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2061         * doc/md.texi: Likewise.
2062
2063         * sh-protos.h (sh_secondary_reload): Declare.
2064         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2065         (sh_secondary_reload): New function.
2066         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2067         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2068         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2069         (HAVE_SECONDARY_RELOADS): Define.
2070         * sh.md (reload_indf): Rename to:
2071         (reload_indf__frn).
2072         (reload_outdf): Rename to:
2073         (reload_outdf__RnFRm).
2074         (reload_insf): Rename to:
2075         (reload_insf__frn).
2076         (reload_insi): Rename to:
2077         (reload_insi__i_fpul).
2078
2079 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2080
2081         * configure.ac: Require at least texinfo 4.4.
2082         * configure: Regenerate.
2083
2084         * doc/install.texi (Tools/packages necessary for building GCC):
2085         Update required version of texinfo to at least 4.4.
2086         (Installing GCC: Building): Update required version of texinfo
2087         to at least 4.4.
2088         (Installing GCC: Final installation): Update required version
2089         of texi2dvi to at least 4.4.
2090         (Host/target specific installation notes for GCC): Update required
2091         version of texinfo to at least 4.4.
2092
2093 2005-11-24  Richard Guenther  <rguenther@suse.de>
2094         Dirk Mueller <dmueller@suse.de>
2095
2096         PR c++/14024
2097         * c-common.h (strict_aliasing_warning): Declare.
2098         * c-common.c (strict_aliasing_warning): New function,
2099         split out from ...
2100         * c-typeck.c (build_c_cast): ... here.
2101
2102 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2103
2104         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2105         to order operands.
2106         (swap_commutative_operands_with_target): New.
2107
2108 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2109
2110         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2111         also when doing PRE, rather than only for global CPROP.
2112
2113 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2114
2115         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2116         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2117         formatting.
2118         (expand_twoval_unop): Likewise.
2119         (widen_clz): Likewise.
2120         (expand_parity): Likewise.
2121         (expand_unop): Likewise.
2122         (emit_cmp_and_jmp_insn_1): Likewise.
2123         (prepare_float_lib_cmp): Likewise.
2124
2125 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2126
2127         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2128         Remove unused `class' variable.
2129
2130 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2131
2132         PR c++/21667
2133         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2134         C/C++ diagnostic function warn_array_subscript_with_type_char.
2135         * c-common.h (warn_array_subscript_with_type_char): Declare.
2136         * c-common.c (warn_array_subscript_with_type_char): Define.
2137
2138 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2139
2140         PR c/21668
2141         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2142         compiling at the intersection of C and C++.
2143
2144 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2145
2146         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2147         List @file in the option summary.  Include the libiberty
2148         documentation for @file.
2149         * gcc.c (main): Call expandargv.
2150         * Makefile.in (gcc-vers.texi): Define srcdir.
2151
2152 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2153
2154         * passes.c (init_optimization_passes): Document
2155         sequencing of passes.
2156
2157 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2158
2159         * config/m68k/predicates.md (pcrel_address, extend_operator,
2160         post_inc_operand, pre_dec_operand): Remove redundant
2161         conditionals.
2162         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2163         instead of abort.
2164         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2165
2166 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2167
2168         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2169
2170 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2171
2172         Preparatory work for PR target/21623:
2173         * alpha.c (secondary_reload_class): Rename to:
2174         (alpha_secondary_reload_class).
2175         * alpha.h, alpha-protos.h: Likewise.
2176         * mn10300.c (secondary_reload_class): Rename to:
2177         (mn10300_secondary_reload_class).
2178         * mn10300.h, mn10300-protos.h: Likewise.
2179         * pa.c (secondary_reload_class): Rename to:
2180         (pa_secondary_reload_class).
2181         * pa.h, pa-protos.h: Likewise.
2182         * rs6000.c (secondary_reload_class): Rename to:
2183         rs6000_secondary_reload_class.
2184         * rs6000.h, rs6000-protos.h: Likewise.
2185
2186 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2187
2188         PR middle-end/22561
2189         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2190
2191 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2192
2193         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2194         a mode_class.
2195         (prepare_cmp_insn): Likewise.
2196
2197 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2198
2199         PR target/23435
2200         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2201         if both operands[0] and operands[1] are memory.
2202
2203 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2204
2205         PR middle-end/23606
2206         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2207         COMPARISON_CLASS_P and an integral types create create a new
2208         expression with the new type and fold that.
2209
2210 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2211
2212         PR target/24988
2213         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2214         to SUBTARGET_OS_CPP_BUILTINS.
2215
2216 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2217
2218         * arm.c (emit_set_insn): New function.
2219         (arm_split_constant): Call it.
2220         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2221         (arm_legitimize_address): Likewise.  Use plus_constant.
2222         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2223         (thumb_expand_prologue): Likewise.
2224         (arm_gen_load_multiple): Use VOIDmode in SET.
2225         (arm_gen_store_multiple): Likewise.
2226         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2227         (emit_multi_reg_push): Likewise.
2228         (emit_sfm): Use plus_constant.
2229
2230 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2231
2232         PR target/24954
2233         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2234         typo last change.
2235
2236 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2237
2238         PR middle-end/24950
2239         * expmed.c (store_bit_field): Don't attempt to insv a field
2240         larger than the reg.
2241
2242 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2243
2244         PR target/24954
2245         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2246         explicit sign extension, not a (char) cast.
2247
2248 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2249
2250         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2251         GET_MODE_CLASS (x) == MODE_FLOAT.
2252         * config/i386/i386.c: Likewise.
2253         * config/rs6000/xcoff.h: Likewise.
2254         * config/rs6000/linux64.h: Likewise.
2255         * config/rs6000/rs6000.c: Likewise.
2256         * config/rs6000/rs6000.h: Likewise.
2257         * config/rs6000/predicates.md: Likewise.
2258         * config/rs6000/sysv4.h: Likewise.
2259
2260 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2261
2262         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2263         flag_pic is set.
2264
2265         * config/alpha/freebsd.h, config/alpha/linux.h,
2266         config/arm/linux-elf.h, config/bfin/bfin.h,
2267         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2268         config/i386/beos-elf.h, config/i386/gnu.h,
2269         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2270         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2271         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2272         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2273         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2274         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2275         config/sparc/linux.h, config/sparc/linux64.h,
2276         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2277
2278         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2279         are both defined when either flag -fpic or -fPIC are used.
2280
2281 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2282
2283         * config/fp-bit.c (clzusi): New function.
2284         (si_to_float, usi_to_float): Use it to compute proper shift.
2285         (usi_to_float): Preserve guard bits when shifting right.
2286         * libgcc-std.ver (GCC_4.2.0): New version.
2287         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2288         __floatundisf): New functions.
2289         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2290         __floatundisf): Declare.
2291         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2292         _floatundixf, and _floatunditf.
2293         * optabs.c (expand_float): If target does not define a pattern for
2294         signed or unsigned conversion, use an unsigned libcall instead of
2295         a signed one.
2296         (init_optabs): Initialize ufloat_optab.
2297
2298 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2299
2300         * config/rs6000/rs6000.opt (mmulhw): New option.
2301         * doc/invoke.texi (-mmulhw): Document.
2302         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2303         for 405 and 440.
2304         * config/rs6000/rs6000.md: Add half-word multiply and
2305         multiply-accumulate instructions for 405 and 440.
2306
2307 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2308
2309         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2310         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2311         default now includes a linker group which makes the RTEMS one nest.
2312
2313 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2314
2315         * cse.c (fold_rtx): Typo fix.
2316         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2317
2318 2005-11-21  Richard Henderson  <rth@redhat.com>
2319
2320         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2321         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2322
2323         * c-tree.h (lookup_name): Move declaration ...
2324         * c-common.h (lookup_name): ... here.
2325         * config/darwin-c.c: Include c-common.h.
2326         * config/t-darwin: Update dependencies.
2327
2328 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2329
2330         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2331         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2332         * genopinit.c (gen_insn): Likewise.
2333         * reload.c (find_equiv_reg): Likewise.
2334         * loop.c (load_mems): Likewise.
2335         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2336         * cse.c (find_comparison_args, fold_rtx): Likewise.
2337         * dwarf2out.c (add_const_value_attribute): Likewise.
2338         * expr.c (convert_move): Likewise.
2339         * recog.c (general_operand, register_operand): Likewise.
2340         * reg-stack.c (replace_reg): Likewise.
2341         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2342         * c-common.c (handle_vector_size_attribute): Likewise.
2343         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2344         (simplify_binary_operation_1): Likewise.
2345         (simplify_const_binary_operation): Likewise.
2346         (simplify_relational_operation): Likewise.
2347         (simplify_const_relational_operation): Likewise.
2348         (simplify_immed_subreg): Likewise.
2349         * emit-rtl.c (gen_lowpart_common): Likewise.
2350         * expmed.c (expand_mult): Likewise.
2351         * stor-layout.c (layout_type): Likewise.
2352
2353 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2354
2355         PR target/24951
2356         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2357         cst2 only for SPE vectors.
2358
2359 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2360
2361         PR target/24953
2362         * config/rs6000/predicates.md (vrsave_operation): Check
2363         UNSPEC_VOLATILE value.
2364
2365 2005-11-21  Jan Hubicka  <jh@suse.cz>
2366
2367         PR tree-optimization/24653
2368         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2369
2370 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2371
2372         * config/i386/predicates.md (ax_reg_operand): New predicate.
2373         (memory_displacement_only_operand): New predicate.
2374         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2375         operand is AX register and the other operand is memory operand
2376         with displacement only.
2377
2378 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2379
2380         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2381         if we don't care about NaNs or Infinities.
2382
2383 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2384
2385         PR rtl-optimization/24883
2386         * combine.c (combinable_i3pat): When checking whether the
2387         destination of i3 is used in i3, consider paradoxical subregs.
2388
2389 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2390
2391         PR middle-end/20583
2392         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2393
2394 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2395
2396         * combine.c (try_combine): Do not run subst on i1src and i2src in
2397         the case of generating a PARALLEL for a comparison.
2398
2399 2005-11-20  Richard Henderson  <rth@redhat.com>
2400
2401         PR 24931
2402         * tree-sra.c (struct sra_elt): Add all_no_warning.
2403         (struct sra_walk_fns) <use>: Add use_all argument.
2404         (sra_walk_expr): Pass it.
2405         (sra_walk_modify_expr): Likewise.
2406         (scalarize_ldst): Likewise.
2407         (scan_use): Update for new argument.
2408         (mark_no_warning): New.
2409         (scalarize_use): Use it.
2410
2411 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2412
2413         * expr.c (expand_expr_real): Use usmul_optab for widening
2414         signed * unsigned multiplies.
2415         * genopinit.c (optabs): Add usmul_widen_optab.
2416         * optabs.c (init_optabs): Likewise.
2417         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2418         (usmul_widen_optab): Define.
2419         * config/bfin/bfin.md (usmulhisi3): New pattern.
2420
2421         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2422
2423 2005-11-20  Graham Stott <btinternet.com>
2424
2425         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2426
2427 2005-11-20  Andreas Schwab  <schwab@suse.de>
2428
2429         PR target/24757
2430         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2431         insn.
2432
2433 2005-11-19  Richard Henderson  <rth@redhat.com>
2434
2435         PR tree-opt/24665
2436         * tree-gimple.c (is_gimple_id): Export.
2437         * tree-gimple.h (is_gimple_id): Declare.
2438         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2439         (get_default_value): Use it.
2440         (maybe_fold_stmt_indirect): Likewise.
2441
2442 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2443
2444         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2445         than VR1 or vice-versa.
2446
2447 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2448
2449         PR middle-end/24912
2450         PR middle-end/24750
2451         * reload.c (find_reloads_address_1): Mention dependency on
2452         gen_reload.
2453         * reload1.c (gen_reload): For IN with an unary operation, try
2454         moving inner expression to OUT if trivial SET is not valid.
2455         Confirm that the result is valid.  Move common code block into...
2456         (emit_insn_if_valid_for_reload): New function.
2457
2458 2005-11-19  Richard Guenther  <rguenther@suse.de>
2459
2460         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2461         ARRAY_REFs of constant strings.
2462
2463 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2464
2465         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2466         fatal format string.
2467
2468 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2469
2470         * combine.c (make_compound_operation): Swap operands of
2471         commutative operation if necessary before returning.
2472
2473 2005-11-19  Richard Guenther  <rguenther@suse.de>
2474
2475         PR middle-end/23294
2476         * fold-const.c (fold_plusminus_mult_expr): New function.
2477         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2478         cases, remove now unnecessary code.
2479
2480 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2481
2482         * gensupport.c (old_preds): Rename to std_preds, add special field.
2483         (struct old_pred_table): Rename to struct std_pred_table, add special
2484         field.
2485         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2486         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2487         (init_predicate_table): Adjust, and set along the way whether a
2488         predicate is special.
2489
2490 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2491
2492         * BASE-VER: Change to 4.2.0.
2493
2494 2005-11-18  James E Wilson  <wilson@specifix.com>
2495
2496         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2497         returning it.
2498
2499 2005-11-18  Mike Stump  <mrs@apple.com>
2500
2501         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2502         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2503         * c-decl.c (lookup_name_two) Remove.
2504         * c-tree.h (lookup_name_two): Remove.
2505         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2506         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2507         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2508         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2509
2510 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2511
2512         PR target/24914
2513         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2514         when not generating code to use that co-processor.
2515
2516 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2517
2518         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2519         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2520         these functions are now in tree-phinodes.c.
2521
2522 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2523
2524         * config/bfin/bfin.md (trap): New pattern.
2525
2526 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2527
2528         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2529         on types.
2530
2531         * expr.c (expand_expr_real): Don't call record_block_change unless
2532         ib_boundaries_block is non-null
2533
2534         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2535
2536         * fold-const.c (build_range_check): Use proper type for subtraction
2537         when merging lower bound.
2538
2539 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2540
2541         PR rtl-optimization/24497
2542         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2543         the copied insn.
2544
2545 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2546
2547         * tree-scalar-evolution.c (expression_expensive_p): New function.
2548         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2549
2550 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2551
2552         * config/bfin/crtlibid.s: New file.
2553
2554 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2555
2556         PR target/24348
2557         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2558         when not using sjlj exceptions.
2559         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2560         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2561         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2562         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2563         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2564         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2565         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2566         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2567         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2568         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2569         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2570         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2571         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2572         defines.
2573         * config/pa/hpux-unwind.h: New file.
2574
2575 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2576
2577         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2578         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2579         * varasm.c (do_assemble_alias): Adjust call.
2580         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2581         is defined.
2582         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2583
2584 2005-11-17  James E Wilson  <wilson@specifix.com>
2585
2586         * tree.def (FUNCTION_DECL): Correct typo in comment.
2587
2588 2005-11-17  Richard Henderson  <rth@redhat.com>
2589
2590         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2591         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2592         and DW_CFA_def_cfa_sf.
2593         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2594         (dbx_reg_number): Don't assert particular registers here.
2595         (based_loc_descr): ... do it here instead.  Fold in ...
2596         (eliminate_reg_to_offset): ... this function.
2597         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2598         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2599         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2600         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2601         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2602         (instantiate_virtual_regs): Likewise.
2603         * var-tracking.c (adjust_stack_reference): Likewise.
2604         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2605
2606 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2607
2608         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2609         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2610         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2611         crtlibid.o.
2612         ($(T)crtlibid.o): New rule.
2613
2614 2005-11-16  Richard Guenther  <rguenther@suse.de>
2615
2616         PR middle-end/24851
2617         * fold-const.c (extract_array_ref): Return byte offset
2618         in all cases.
2619         (fold_binary): Fold &x[a] CMP &x[b] to
2620         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2621         behavior.
2622
2623 2005-11-16  Richard Henderson  <rth@redhat.com>
2624
2625         PR middle-end/23497
2626         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2627         parts of an SSA_NAME.
2628
2629 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2630
2631         PR target/24861
2632         * arm.md (split for movsf with immediate): Restrict split to insns
2633         that set a general register.
2634
2635 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2636
2637         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2638         uw_update_context.
2639         * unwind-dw2.c (uw_advance_context): Likewise.
2640         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2641         _Unwind_SjLj_Unregister.
2642         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2643
2644 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2645
2646         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2647
2648 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2649
2650         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2651         langhook to get a DImode integer type.
2652
2653 2005-11-16  Richard Henderson  <rth@redhat.com>
2654             J"orn Rennecke <joern.rennecke@st.com>
2655             Ulrich Weigand  <uweigand@de.ibm.com>
2656
2657         PR rtl-opt/24160
2658         PR target/24621
2659         * reload1.c (reg_equiv_invariant): New.
2660         (reload): Allocate, initialize, and free it.
2661         (calculate_needs_all_insns): Check it when skipping equivalence
2662         setting insns.
2663         (alter_reg): Likewise.
2664         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2665         may_use_invariant argument; only use reg_equiv_invariant when true.
2666         (eliminate_regs): New.
2667         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2668         a context for which may_use_invariant may be true.
2669
2670 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2671
2672         * fold-const.c (const_binop): Don't constant fold the operation
2673         if the result has overflowed and flag_trapping_math.
2674         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2675
2676 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2677
2678         * config/arm/unwind-arm.c (abort): Add prototype here.
2679         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2680         (struct phase1_vrs): Add prev_sp.
2681         (unwind_phase2_forced): Save the original core registers instead of
2682         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2683         and set action flags accordingly.  Always set _US_END_OF_STACK when
2684         get_eit_entry fails.  Unwind before calling the stop function.
2685         (_Unwind_GetCFA): New function.
2686         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2687         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2688         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2689         just call unwind_phase2_forced.
2690         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2691         * config/arm/unwind-arm.h (abort): Remove prototype.
2692         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2693         prototypes.
2694         (_Unwind_GetCFA): New prototype.
2695         * config/arm/pr-support.c (abort): Add prototype here.
2696         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2697         forced unwinding.
2698         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2699         not schedule the prologue with non-call exceptions and EABI.
2700
2701 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2702
2703         * config/arm/unwind-arm.h: Reorder interface function declarations.
2704         (_URC_END_OF_STACK): New enumeration value.
2705         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2706         (struct _Unwind_Control_Block): Document reserved field use.
2707         (_Unwind_Stop_Fn): New typedef.
2708         (_Unwind_ForcedUnwind): Declare.
2709         (_Unwind_Resume_or_Rethrow): Declare.
2710         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2711         argument.  Adjust.
2712         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2713         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2714         (UCB_FORCED_STOP_ARG): New.
2715         (search_EIT_table): Update boundary condition checks.
2716         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2717         (unwind_phase2): Replace for with do..while.
2718         (unwind_phase2_forced): New.
2719         (__gnu_Unwind_RaiseException): Replace for with do..while.
2720         (__gnu_Unwind_ForcedUnwind): New.
2721         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2722         Use appropriate phase2 unwinder.
2723         (__gnu_Unwind_Resume_or_Rethrow): New.
2724         (__gnu_unwind_pr_common): Cope with forced unwinding.
2725
2726 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2727
2728         PR target/24772
2729         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2730
2731         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2732         roundsf2): Remove "s" from mnemonic.
2733
2734 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2735
2736         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2737         __PIC__ is defined.
2738         * config/bfin/crtn.s: Change epilogues to match.
2739         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2740         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2741         __PIC__ and __pic__.
2742
2743 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2744
2745         PR 24357
2746         * doc/invoke.texi: Distinguish between free and fixed form instead of
2747         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2748         languages.
2749         * gcc.c (default_compilers): Remove double entries, add entries for
2750         suffixes '.F90' and '.F95'.
2751
2752 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2753
2754         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2755         in the stack probing loop.
2756
2757 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2758
2759         * configure.ac: Use .machine power5 not power5x.
2760         * configure: Regenerate.
2761
2762 2005-11-15  Mike Stump  <mrs@apple.com>
2763
2764         * c-decl.c (lookup_name_two): Add.
2765         * c-tree.h (lookup_name_two): Likewise.
2766         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2767         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2768
2769 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2770
2771         PR rtl-optimization/23392
2772         * regrename.c (enum scan_actions) Add mark_access.
2773         (scan_actions_name): Ditto.
2774         (scan_rtx_reg): Handle mark_access.
2775         (scan_rtx_address): Do nothing for mark_access.
2776         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2777         and regs in REG_INC notes before closing chains for dead regs.
2778         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2779         opening chains for new writes.
2780
2781 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2782
2783         * c.opt (ffixed-line-length-none): New.
2784
2785 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2786
2787         * mklibgcc.in: Change contents of eh_dummy.c.
2788
2789 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2790
2791         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2792
2793 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2794
2795         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2796         of making syscalls.
2797         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2798
2799 2005-11-15  Jan Hubicka  <jh@suse.cz>
2800
2801         * invoke.texi (large-unit-insns): Document.
2802         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2803         * params.def (large-unit-insns): New param.
2804
2805 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2806
2807         PR target/24869
2808         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2809         special register for operand 3.  Reindent constraints to align
2810         them vertically.
2811
2812 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2813
2814         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2815         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2816         * configure.ac: Add test for FP rounding instructions.
2817         * configure: Regenerate.
2818         * config.in: Regenerate.
2819         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2820         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2821         features enabled.
2822         * config/rs6000/rs6000.opt (mfprnd): New.
2823         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2824         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2825         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2826         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2827         (TARGET_FPRND): New.
2828         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2829         UNSPEC_FRIZ): New.
2830         (btrunc<mode>2): New.
2831         (ceil<mode>2): New.
2832         (floor<mode>2): New.
2833         (round<mode>2): New.
2834
2835 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2836
2837         * gcc.c (version_compare_spec_function): Use fatal() rather than
2838         abort().
2839
2840         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2841         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2842         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2843         as empty.
2844         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2845         link in crt2.o.
2846
2847         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2848         on -mmacosx-version-min setting.
2849
2850 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2851
2852         PR 24840
2853         * tree-vrp.c (infer_value_range): Return false if STMT is a
2854         block terminator and its basic block has no successors.
2855
2856 2005-11-14  Mike Stump  <mrs@apple.com>
2857
2858         * config/i386/i386.c (override_options): -masm=intel isn't
2859         supported on darwin.
2860         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2861
2862 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2863
2864         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2865         vfork after including auto-host.h.
2866
2867 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2868
2869         PR rtl-optimization/22002
2870         * combine.c (distribute_notes): Detect cases where a reg dies
2871         two or more times in a bb, including on the insn we are combining,
2872         and place the death note on the correct range.
2873
2874 2005-11-14  Dale Johannesen  <dalej@apple.com>
2875
2876         * expmed.c (store_bit_field):  Add offset unconditionally for
2877         memory targets.
2878         (extract_bit_field):  Don't force extzv or extv operand into
2879         a register if field is too big.
2880
2881 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2882
2883         * config/arm/arm.c (pic_labelno): New.
2884         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2885         LABEL_REF.  Pass only the labelno to PIC insns.
2886         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2887         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2888         * arm.md (UNSPEC_PIC_LABEL): New constant.
2889         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2890         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2891         Use the correct label prefix.
2892
2893 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2894
2895         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2896         REQ_EQUIV note.
2897
2898 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2899
2900         * loop-invariant.c: Include tm_p.h.
2901         * Makefile.in: Updated.
2902
2903 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2904
2905         * pa.c (store_reg): Revise generation of frame notes in large frames.
2906         (set_reg_plus_d): Likewise.
2907
2908 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2909
2910         PR tree-optimization/24709
2911         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2912         loop check.
2913
2914 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2915
2916         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2917         and duplicate declaration of pthread_self.
2918
2919 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2920             Ian Lance Taylor  <ian@airs.com>
2921
2922         PR middle-end/24003
2923         * calls.c (expand_call): If TARGET is a MEM and some part of the
2924         argument area has been saved, force TARGET to a register.
2925
2926 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2927
2928         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2929         checking.
2930
2931 2005-11-13  Jason Merrill  <jason@redhat.com>
2932
2933         PR c++/22489
2934         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2935         lazily declared methods.
2936         (force_decl_die): Stop if forcing out the context already make a
2937         DIE for the decl.
2938         (force_type_die): Likewise.
2939
2940 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2941
2942         PR middle-end/24820
2943         * builtins.c (integer_valued_real_p): Add break in
2944         REAL_CST having TREE_OVERFLOW set.
2945
2946 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2947
2948         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2949         addressing modes during calculation of costs.
2950
2951 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2952
2953         * function.c (assign_stack_local_1): Restrict sanity check
2954         on frame size overflow to 32-bit and above platforms.
2955
2956 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2957
2958         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2959         * config/cris/cris.c: Include reload.h.
2960         (cris_initial_elimination_offset): New function.
2961         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2962         Prototype.
2963
2964 2005-11-12  Richard Guenther  <rguenther@suse.de>
2965
2966         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2967
2968 2005-11-12  Jan Hubicka  <jh@suse.cz>
2969
2970         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2971         to compare against 0 when possible.
2972
2973 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2974
2975         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2976         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2977         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2978         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2979         in the new order.
2980
2981 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2982
2983         * recog.c (constrain_operands) <case 'g'>: For a match, require
2984         that a non-register matches general_operand when strict >= 0.
2985
2986 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2987
2988         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2989         previous checkin.
2990
2991 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2992
2993         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2994         (memory_address_same): New.
2995         (dse_optimize_stmt): Call memory_address_same.
2996
2997 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2998
2999         PR middle-end/24750
3000         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3001         ZERO_EXTEND>: New cases.
3002
3003 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3004
3005         * longlong.h (__clz_tab): Always provide.
3006
3007 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3008
3009         PR 24265
3010         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3011         can be assigned to.
3012         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3013         before check_maybe_invariant.
3014         (move_invariant_reg): Use gen_move_insn instead of replacing
3015         SET_DEST with the temporary for the invariant.
3016         (move_loop_invariants): If checking is enabled, do internal
3017         consistency checks after completing the pass.
3018
3019 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3020
3021         PR 24644
3022         * common.opt (Wvolatile-register-var): New.
3023         * varasm.c (make_decl_rtl): Only emit warning when option
3024         specified.  Clarify warning message.
3025         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3026
3027         * doc/md.texi (copysign): Document standard named pattern.
3028
3029 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3030
3031         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3032         bytes when align is 2.
3033         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3034         by the first instruction of the loop.
3035
3036 2005-11-11  Jason Merrill  <jason@redhat.com>
3037
3038         PR c++/24686
3039         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3040         the cleanup list.
3041
3042 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3043
3044         PR rtl-optimization/22509
3045         * local-alloc.c (memref_used_between_p): Check whether a function call
3046         could not reference the memref.
3047
3048 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3049
3050         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3051         algorithm so as to choose the best, not the worst, alternative.
3052         Reset accumulated register class before processing next alternative.
3053
3054 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3055
3056         PR target/24445
3057         * calls.c (expand_call): Copy a return value to a plain register
3058         if needed.
3059
3060 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3061
3062         PR target/24778
3063         * varasm.c (assemble_name): Recompute name only for transparent
3064         aliases.
3065
3066 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3067
3068         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3069
3070 2005-11-04  Jeff Law  <law@redhat.com>
3071
3072         PR middle-end/23181
3073         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3074         perform reassociation if the parent statement will not die as
3075         a result of the optimization.
3076
3077 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3078
3079         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3080         delete_old_heap_vars.
3081         * tree-dfa.c (referenced_var_remove): Remove function.
3082         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3083         (delete_tree_ssa): Remove call to delete_old_heapvars.
3084         Add call to delete_alias_heapvars.
3085         * tree-flow.h (referenced_var_remove): Remove prototype
3086         (init_alias_heapvars): New prototype.
3087         (delete_alias_heapvars): Ditto.
3088         * Makefile.in (tree-ssa-structalias.o): Add
3089         gt-tree-ssa-structalias.o
3090         (GTFILES): Add tree-ssa-structalias.h and
3091         tree-ssa-structalias.c.
3092         (s-gtype): Add gt-tree-ssa-structalias.h.
3093         * tree-ssa-structalias.c (heapvars): Remove.
3094         (oldheapvars): Remove.
3095         (heapvar_for_stmt): New variable.
3096         (heapvar_lookup): New function.
3097         (heapvar_insert): Ditto.
3098         (get_constraint_for): See if we have an old heapvar
3099         to reuse.
3100         (init_alias_heapvars): New function.
3101         (delete_alias_heapvars): Ditto.
3102         Add include of gt-tree-ssa-structalias.h.
3103
3104 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3105
3106         PR middle-end/22127
3107         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3108
3109 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3110
3111         * tree.c (int_fits_type_p): Only look at the base type
3112         if it has the same precision as the original type.
3113
3114 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3115
3116         PR other/4372
3117         * varasm.c (assemble_alias): Use %q+D in the error
3118         message instead of %J and %qD.
3119
3120 2005-11-10  Richard Guenther  <rguenther@suse.de>
3121
3122         * gcse.c (free_ldst_entry): Only free hashtable if
3123         it exists.
3124
3125 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3126
3127         * function.c (assign_stack_local_1): Issue an error message if
3128         the frame size overflows in the signed target arithmetics.
3129
3130 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3131
3132         * tree.c (build_qualified_type): Chain the new type to the original
3133         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3134         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3135         (build_pointer_type_for_mode): Only return unqualified types.
3136         (build_reference_type_for_mode): Likewise.
3137
3138 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3139
3140         * Makefile.in (gnucompare): Do comparison of all files using one of
3141         the chosen methods and only afterwards decide if just warning should
3142         be issued or comparison failure raised.
3143
3144 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3145
3146         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3147         (noce_try_abs): Negate if the comparison is reversed.
3148         Look only one instruction backwards for a REG_EQUAL note.
3149
3150 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3151
3152         PR other/4372
3153         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3154         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3155         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3156         and prefix all uses with __ghtrw.
3157
3158 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3159
3160         PR other/4372
3161         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3162         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3163         * c-common.c (handle_weakref_attribute): New.
3164         (c_common_attribute_table): Add weakref.
3165         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3166         in the assembler.
3167         * configure, config.in: Rebuilt.
3168         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3169         * doc/extend.texi: Document weakref attribute.
3170         * varasm.c (ultimate_transparent_alias_target): New
3171         (assemble_name): Use it.
3172         (weak_finish_1): Split out of...
3173         (weak_finish): ... and deal with weakrefs in...
3174         (weakref_targets): ... new list.
3175         (globalize_decl): Clean up weakref_targets.
3176         (do_assemble_alias): Handle weakrefs.
3177         (finish_aliases_1): Do not reject weakrefs to external symbols.
3178         (assemble_alias): Handle weakrefs.
3179
3180 2005-11-09  Richard Guenther  <rguenther@suse.de>
3181
3182         PR tree-optimization/24716
3183         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3184         t_bool to track results from follow_ssa_edge.
3185
3186 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3187
3188         * final.c (force_source_line): New global variable.
3189         (final_scan_insn): Set it to true instead of clearing last_filename.
3190         (notice_source_line): Return true if force_source_line is true,
3191         unless source info is absent.
3192
3193 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3194
3195         PR c/24644
3196         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3197         a linkage name for a variable if it a register variable.
3198         * c-decl.c (grokdeclarator): Global register variables
3199         should be set as PUBLIC.
3200
3201 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3202
3203         PR 24624
3204         * config/s390/s390.c (struct s390_frame_layout): New fields
3205         first_save_gpr_slot and last_save_gpr_slot.
3206         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3207         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3208         first_save_gpr and last_save_gpr with the _slot variants.
3209         (s390_register_info): Calculate first_save_gpr_slot and
3210         last_save_gpr_slot using regs_ever_live.
3211
3212 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3213
3214         PR 24623
3215         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3216         for a function containing a landing pad.
3217
3218 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3219
3220         PR 24034
3221         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3222         is live afterwards.
3223
3224 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3225
3226         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3227         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3228
3229 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3230
3231         Add ms2 support
3232         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3233         constants.
3234         (call,load,store): New insn types.
3235         (mem_access, branch_access): Adjust reservation conditions.
3236         (define_delay): Adjust condition.
3237         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3238         type.
3239         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3240         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3241         insn type.
3242         (call_internal, call_value_internal, return_internal,
3243         return_interrupt_internal, eh_return_internal, indirect_jump,
3244         tablejump): Set call insn type.
3245         (blockage, ei, di): Use appropriate unspec const.
3246         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3247         (ms1_get_attr_type): Adjust to give load & store types.
3248         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3249         backwards past a barrier.
3250         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3251         branch scheduling.
3252         (struct branch_info, struct label_info): New.
3253         (ms1_labels): New.
3254         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3255         (ms1_machine_reorg): New.
3256         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3257         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3258         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3259         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3260         (TARGET_MS2): New.
3261
3262 2005-11-09  Per Bothner  <per@bothner.com>
3263             Uros Bizjak  <uros@kss-loka.si>
3264
3265         PR c/24101
3266         * toplev.c (process_options): Initialize debug_hooks early
3267         in case lang_hooks.post_options ends up calling a debug_hook.
3268
3269 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3270
3271         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3272         DBX_REGISTER_NUMBER being contiguous.
3273
3274 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3275             Diego Novillo  <dnovillo@redhat.com>
3276
3277         PR 23046
3278         * tree-vrp.c (register_edge_assert_for): Do not register
3279         always-false predicates.
3280
3281 2005-11-08  Devang Patel <dpatel@apple.com>
3282
3283         PR tree-optimization/23115
3284         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3285         relation.
3286
3287 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3288
3289         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3290         -mcpu=440.
3291
3292 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3293
3294         Fix PR tree-optimization/23382
3295
3296         * tree-ssa-alias.c (compute_may_aliases): Call
3297         delete_old_heap_vars.
3298         * tree-dfa.c (referenced_var_remove): New function.
3299         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3300         * tree-flow.h (referenced_var_remove): Add prototype.
3301         (delete_old_heap_vars): Ditto.
3302         * tree-ssa-structalias.c (heapvars): New variable.
3303         (oldheapvars): Ditto.
3304         (get_constraint_for): Put heap vars on heapvars list.
3305         (delete_old_heap_vars): New function.
3306
3307 2005-11-08  Jason Merrill  <jason@redhat.com>
3308
3309         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3310
3311 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3312
3313         PR target/19340
3314         * reg-stack.c (reg_to_stack): Update register liveness also
3315         for flag_sched2_use_traces.
3316
3317 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3318
3319         PR target/23704
3320         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3321         override prior explicit -mno-powerpc-gfxopt.
3322
3323 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3324
3325         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3326         if the bitsize is zero.
3327         * doc/md.texi (Standard Pattern Names): Document it.
3328
3329         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3330         (TARGET_PASS_BY_REFERENCE): Likewise.
3331
3332 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3333
3334         PR rtl-optimization/24683
3335         * config/i386/i386.c (legitimize_pic_address): If constant operand
3336         to PLUS is too large, put it in a register.
3337
3338 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3339
3340         * configure.ac: Enable checking assembler dwarf2 support for bfin
3341         target.
3342         * configure: Regenerate.
3343
3344 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3345
3346         PR target/24230
3347
3348         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3349         gen_easy_vector_constant_add_self): Delete.
3350         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3351         New.
3352         (output_vec_const_move): Use gen_easy_altivec_constant.
3353         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3354         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3355         (easy_vector_constant_add_self): Rewritten.
3356         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3357         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3358         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3359         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3360         Macroize and adjust for the other changes.
3361
3362 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3363
3364         PR c/24599
3365
3366         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3367         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3368
3369 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR rtl-optimization/23567
3372         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3373         (noce_process_if_block): Don't do any optimizations except
3374         if (cond) x = x; if !set_b and write into orig_x may trap
3375         or fault.  Remove the MEM_READONLY_P check.
3376
3377 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3378
3379         PR 24670
3380         * tree-vrp.c (fix_equivalence_set): New.
3381         (extract_range_from_assert): Call it.
3382
3383 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3384
3385         PR target/22432
3386         * combine.c (apply_distributive_law): Don't distribute across a
3387         vector mode subreg.
3388
3389 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3390
3391         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3392         config/ms1/ms1.h, config/rs6000/predicates.md,
3393         config/s390/s390.c, params.def, postreload-gcse.c,
3394         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3395         tree-vrp.c, tree.c: Fix comment typos.
3396         * doc/invoke.texi: Fix typos.
3397
3398 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3399
3400         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3401         for testing whether the data_dependence_relation contains distance
3402         vectors.  Iterate over all distance vectors of the ddr.
3403         * lambda.h: Define a vec of lambda_vector pointers.
3404         * tree-data-ref.c (dump_data_dependence_relation,
3405         dump_data_dependence_direction): Iterate over all distance and
3406         direction vectors of the ddr.
3407         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3408         DDR_DIST_VECTS.
3409         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3410         of distance/direction vectors instead of a single one.
3411         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3412         lambda_vectors with a vec of lambda_vectors.
3413         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3414         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3415         DDR_NUM_DIST_VECTS): New.
3416         * tree-loop-linear.c (gather_interchange_stats): Test for the
3417         existence of distance vectors only after having checked that there
3418         is a dependence.  Iterate over all distance vectors of the ddr.
3419         (linear_transform_loops): Use dump_data_dependence_relation.
3420         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3421         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3422         distance vectors of the ddr.
3423
3424 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3425
3426         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3427         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3428         IS_INTHANDLER; all callers changed.
3429         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3430         account.
3431         (do_link, do_unlink): New argument ALL; all callers changed.
3432         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3433         If function isn't leaf, save and restore all registers.
3434         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3435         exception handler.
3436
3437 2005-11-05  Jan Hubicka  <jh@suse.cz>
3438
3439         PR rtl-optimization/23490
3440         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3441         max-flow-memory-location): Document.
3442         * flow.c: Include params.h
3443         (MAX_MEM_SET_LIST_LEN): Kill.
3444         (add_to_mem_set_list): Use new param.
3445         * cse.c (cse_basic_block): Replace 1000 by new param.
3446         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3447         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3448         * predict.c (predict_loops): Use new param.
3449         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3450
3451         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3452         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3453         Do not hold memory returned by cgraph_node_name across other call.
3454
3455 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3456
3457         PR target/23424
3458         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3459         Disable.
3460
3461 2005-11-04  Jeff Law  <law@redhat.com>
3462
3463         PR/21883
3464         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3465         * tree-ssa-dom.c: Include params.h.
3466         (thread_across_edge): If there are too many statements in the
3467         target block, then do not thread through it.
3468         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3469         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3470
3471 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3472
3473         PR 24627
3474         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3475         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3476
3477 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3478
3479         PR/18595
3480         * tree-scalar-evolution.c (instantiate_parameters_1,
3481         instantiate_parameters, resolve_mixers): Compute the size of an
3482         expression to be instantiated and give up the instantiation if the
3483         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3484
3485 2005-11-04  Richard Guenther  <rguenther@suse.de>
3486
3487         * tree-flow.h (ref_contains_indirect_ref): Rename to
3488         array_ref_contains_indirect_ref.
3489         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3490         (array_ref_contains_indirect_ref): Make comment match the code
3491         and vice-versa.
3492         (ref_contains_array_ref): Likewise.
3493         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3494         ref_contains_indirect_ref.
3495         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3496         Rename calls to ref_contains_indirect_ref.
3497
3498 2005-11-04 Paul Brook  <paul@codesourcery.com>
3499
3500         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3501         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3502         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3503         * config/arm/arm.md: Use match_operand in peephole input templates
3504         and match_dup in peephole output templates.
3505
3506 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3507
3508         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3509         __aeabi_uidiv.
3510
3511 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3512             Daniel Jacobowitz  <dan@codesourcery.com>
3513
3514         * longlong.h (add_ssaaaa): Clobber condition code register
3515         in ARM version.
3516         (sub_ddmmss): Likewise.
3517         (umul_ppmm): Likewise.
3518
3519 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3520             Paul Brook  <paul@codesourcery.com>
3521             Phil Blundell  <pb@reciva.com>
3522
3523         * configure.ac: Add test for ARM TLS support.
3524         * configure: Regenerated.
3525         * config/arm/arm-protos.h (legitimize_tls_address)
3526         (arm_tls_referenced_p, tls_mentioned_p)
3527         (arm_output_addr_const_extra): New prototypes.
3528         (thumb_legitimize_pic_address): Delete.
3529         * config/arm/arm.c: Include "gt-arm.h".
3530         (enum tls_reloc): New.
3531         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3532         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3533         (arm_call_tls_get_addr, legitimize_tls_address)
3534         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3535         (arm_init_tls_builtins, arm_emit_tls_decoration)
3536         (arm_output_addr_const_extra): New functions.
3537         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3538         (TARGET_HAVE_TLS): Define.
3539         (target_thread_pointer): New.
3540         (arm_override_options): Handle -mtp=.
3541         (legitimize_pic_address): Ignore UNSPECs.
3542         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3543         relative symbols.
3544         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3545         (tls_get_addr_libfunc): New variable.
3546         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3547         (arm_init_builtins): Call arm_init_tls_builtins.
3548         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3549         (arm_encode_section_info): Call default_encode_section_info.
3550         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3551         (enum arm_tp_type): New.
3552         (target_thread_pointer): Add declaration.
3553         (LEGITIMATE_CONSTANT_P): Handle TLS.
3554         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3555         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3556         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3557         * config/arm/arm.md: Add UNSPEC_TLS.
3558         (movsi): Handle TLS.
3559         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3560         non-PIC.
3561         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3562         (load_tp_hard, load_tp_soft): New insns.
3563         * arm.opt: Add -mtp=.
3564         * doc/invoke.texi (ARM Options): Document -mtp.
3565
3566 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3567
3568         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3569         * config/arm/libunwind.S: Include "lib1funcs.asm".
3570         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3571         (LIB2ADDEH): Add libunwind.S.
3572         (LIB2ADDEHDEP): Add lib1funcs.asm.
3573         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3574
3575 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3576
3577         PR fortran/18452
3578         * gcc/c.opt: Add a -lang-fortran option.
3579         * gcc/c-opts.c: Add a lang_fortran flag.
3580         (c_common_init_options): Handling the -lang-fortran option.
3581         (c_common_handle_option): Add a case for Fortran options in
3582         preprocessing. Remove cases for -ffixed-form and
3583         -ffixed-line-length. Add a case for -lang-fortran.
3584
3585 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3586
3587         * config/rs6000/rs6000.c: Include params.h
3588         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3589         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3590         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3591         (UNSPEC_VPKUWSS): Delete.
3592         (altivec_vpkuhss): Delete.
3593         (altivec_vpkuwss): Delete.
3594         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3595         final condition.
3596         (neg_eq0<mode>): Remove final condition.
3597         (neg_eq<mode>): Remove condition and split-condition.
3598
3599 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3600
3601         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3602         Use associated print macros.
3603
3604 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3605
3606         PR c++/17964
3607         * diagnostic.c (diagnostic_set_info_translated): New function.
3608         (diagnostic_set_info): Use it.  Add comment.
3609         * diagnostic.h (diagnostic_set_info_translated): Declare.
3610
3611 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3612
3613         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3614         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3615         reference only if 'public' is true.
3616         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3617         emit the .hidden directive only if the indirect reference is public.
3618         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3619         Pass it to dw2_force_const_mem.
3620         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3621         * dwarf2out.c (output_cfi): Adjust calls to above function.
3622         (output_call_frame_info): Likewise.
3623         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3624         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3625
3626 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3627
3628         PR tree-optimization/24483
3629         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3630         field to elts if possible.
3631
3632 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3633
3634         PR middle-end/23155
3635         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3636         CONSTRUCTOR.
3637
3638 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3639
3640         Fix PR tree-optimization/24351
3641
3642         * tree-ssa-structalias.c (struct variable_info): Add
3643         collapsed_into.
3644         (get_varinfo_fc): New function to follow collapsing.
3645         (new_var_info): Set collapsed_to to NULL.
3646         (dump_constraint): Follow collapsing.
3647         (build_constraint_graph): Handle collapsing.
3648         (do_simple_structure_copy): Return false if something bad
3649         happened.
3650         (collapse_rest_of_var): New function.
3651         (do_structure_copy): Collapse if do_simple_structure_copy returns
3652         false.
3653
3654 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3655
3656         PR middle-end/24589
3657         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3658         expressions to a statement list instead of gimplifying them.
3659
3660 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3661
3662         PR rtl-optimization/23585
3663         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3664         that can't trap plus a constant integer, if the mode has zero size.
3665
3666 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3667
3668         PR target/24620
3669         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3670         as operand 2.
3671         ("*insv<mode>_reg_extimm"): Likewise.
3672
3673 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3674
3675         PR c/24329
3676         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3677         c_common_type_for_mode returns an unnamed type.
3678
3679 2005-11-02  Richard Henderson  <rth@redhat.com>
3680
3681         PR target/9350
3682         PR target/24374
3683         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3684         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3685         * function.c (assign_parms): Use calls.internal_arg_pointer.
3686         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3687         code.
3688         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3689         (TARGET_CALLS): Add it.
3690         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3691         * targhooks.c (default_internal_arg_pointer): New.
3692         * targhooks.h (default_internal_arg_pointer): Declare.
3693         * tree.h (dwarf2out_reg_save_reg): Declare.
3694         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3695         * config/i386/i386.c (dbx_register_map): Add return column.
3696         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3697         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3698         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3699         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3700         (ix86_save_reg): Save force_align_arg_pointer.
3701         (ix86_emit_save_regs): Make regno unsigned.
3702         (ix86_emit_save_regs_using_mov): Likewise.
3703         (ix86_expand_prologue): Handle force_align_arg_pointer.
3704         (ix86_expand_epilogue): Likewise.
3705         * config/i386/i386.h: (dbx_register_map): Update.
3706         (dbx64_register_map, svr4_dbx_register_map): Update.
3707         (struct machine_function): Add force_align_arg_pointer.
3708         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3709         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3710         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3711
3712 2005-11-02  Jan Hubicka  <jh@suse.cz>
3713
3714         PR target/23303
3715         * i386.md: Add peep2 for simplyfing array accesses.
3716
3717 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3718
3719         PR target/24615
3720         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3721         * config/s390/s390.c (s390_decompose_shift_count): New function.
3722         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3723         (print_shift_count_operand): Use s390_decompose_shift_count.
3724         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3725         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3726
3727 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3728
3729         PR target/24600
3730         * loop.c (loop_givs_rescan): Use force_operand to expand
3731         complex GIVs.
3732
3733 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3734
3735         PR 22429
3736         * fold-const.c (build_range_check): Use unsigned when signed
3737         overflow is undefined also.  If etype is subtype, make sure that
3738         the subtraction is in the supertype.
3739
3740 2005-11-02  Richard Henderson  <rth@redhat.com>
3741
3742         PR target/24178
3743         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3744         by MEM_ALIGN.
3745
3746 2005-11-01  Richard Henderson  <rth@redhat.com>
3747
3748         PR 21518
3749         * loop.c (scan_loop): Do not propagate computations to a hard
3750         register destination with SMALL_REGISTER_CLASSES.
3751
3752 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3753
3754         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3755         costs for MULT inside PLUS or MINUS.
3756
3757 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3758
3759         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3760         (TRAMPOLINE_SIZE): Round up to 60.
3761         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3762
3763 2005-10-31  James E. Wilson  <wilson@specifix.com>
3764
3765         PR debug/24444
3766         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3767         ifdef.  Put ifdefs around call in gen_subprogram_die.
3768         (compute_frame_pointer_to_cfa_displacement): Likewise.
3769         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3770         not defined.
3771
3772         PR rtl-optimization/17356
3773         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3774         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3775
3776 2005-10-31  Jan Hubicka  <jh@suse.cz>
3777
3778         PR middle-end/24093
3779         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3780
3781         PR target/20928
3782         * i386.c (legitimize_pic_address): Deal with large immediates.
3783
3784         PR profile/20815
3785         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3786         from symbol names while computing checkup.
3787
3788         PR profile/24487
3789         * predict.c (predict_loops): Do not estimate more than
3790         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3791         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3792
3793 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3794
3795         PR tree-optimization/19097
3796         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3797
3798 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3799
3800         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3801
3802 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3803
3804         PR middle-end/23492
3805         * tree-inline.c (setup_one_parameter): If the init_stmt
3806         is NULL, don't insert the statement.
3807
3808 2005-10-30  Jan Hubicka  <jh@suse.cz>
3809
3810         PR tree-optimization/24172
3811         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3812
3813 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3814
3815         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3816         constants for hosts with long != 32 bits.
3817
3818 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3819
3820         PR middle-end/24093
3821         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3822
3823 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3824
3825         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3826         (TARGET_MS1_16_002): New.
3827         (TARGET_MS1_16_003): New.
3828
3829         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3830         ("*decrement_and_branch_until_zero_no_clobber"): New.
3831         Add corresponding splitter for decrement_and_branch_until_zero
3832         instruction.
3833         Key all decrement_and_branch_until_zero patterns off of
3834         TARGET_MS1_16_003.
3835
3836 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3837
3838         PR middle-end/24362
3839         * tree-complex.c (extract_component): Treat RESULT_DECL
3840         like the rest of the decls.
3841
3842 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3843
3844         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3845         indirect call to _mcount if the function needs a static chain.
3846
3847 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3848             Caroline Tice  <ctice@apple.com>
3849
3850         PR rtl-optimization/24460
3851         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3852         (dwarf2out_switch_text_section): Set it to true instead of
3853         incrementing separate_line_info_table_in_use.
3854         (output_loc_list): Additionally test have_switched_text_sections.
3855         (output_ranges): Likewise.
3856         (dwarf2out_finish): Likewise.
3857         * varasm.c (assemble_start_function): Do not call
3858         insert_section_boundary_note.
3859         (assemble_end_function): If flag_reorder_blocks_and_partition,
3860         switch to the function's section before emitting the .size directive.
3861         * bb-reorder.c (insert_section_boundary_note): Staticify.
3862         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3863         * output.h (insert_section_boundary_note): Delete.
3864
3865 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3866
3867         PR c/23103
3868         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3869         instead of pointer equality when comparing types.
3870
3871 2005-10-24  James E. Wilson  <wilson@specifix.com>
3872
3873         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3874         add_dependence_list_and_free calls.
3875
3876 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3877
3878         * contrib.texi: Add the names of the LLNL folks who donated
3879         Cray pointer support for gfortran.
3880
3881 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3882
3883         PR tree-optimization/24225
3884         * profile.c (branch_prob): Look from end to start through a
3885         basic block when looking for a locus.
3886
3887 2005-10-24  Richard Henderson  <rth@redhat.com>
3888
3889         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3890         parallel.
3891         (hppa_expand_prologue): Likewise.
3892
3893 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3894
3895         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3896         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3897         * pa.h (NO_PROFILE_COUNTERS): Define.
3898         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3899         (funcdef_nos): New vector to hold label numbers of deferred profile
3900         counters.
3901         (output_deferred_profile_counters): New function.
3902         (hppa_profile_hook): Push label number onto funcdef_nos.
3903         (pa_hpux_file_end): Call output_deferred_profile_counters if
3904         NO_DEFERRED_PROFILE_COUNTERS is false.
3905
3906         * pa-protos.h (get_deferred_plabel): New prototype.
3907         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3908         Make global.
3909         (output_call): Adjust calls.
3910
3911 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3912
3913         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3914         peculiarity of GOT/TOC section usage.
3915
3916 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3917
3918         PR objc/24435
3919          * c-common.c (constant_string_class_name): Add documentation.
3920
3921 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3922
3923         PR target/23832
3924         * recog.c (peephole2_optimize): Increment peep2_current_count
3925         only when the slot is empty.
3926
3927 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3928
3929         PR ada/23957
3930         * except.c (output_function_exception_table): Call
3931         assemble_external_libcall if we need a personality function.
3932
3933 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3934
3935         PR rtl-optimization/24460
3936         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3937         set the basic block for barriers.
3938
3939 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3940
3941         * var-tracking.c (vt_initialize): Initialize post.
3942
3943 2005-10-21  Devang Patel  <dpatel@apple.com>
3944
3945         PR/24220
3946         * c-common.c (vector_types_convertible_p): Check vector element type.
3947
3948 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3949
3950         * config/sh/sh.c (prepare_move_operands): Handle the address
3951         constant which is a tls symbolic address plus a constant.
3952
3953 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3954
3955         PR driver/24473
3956         * gcc.c (main): Use the correct counter for erroring out
3957         about mulitple files.
3958
3959 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3960
3961         PR target/24465
3962         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3963         use r2 for 64-bit tls .got access.
3964
3965 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3966
3967         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3968         TRUTH_OR_EXPR.
3969
3970 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3971
3972         PR tree-optimization/24307
3973         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3974
3975 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3976
3977         PR middle-end/24295
3978         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3979         alias targets.
3980         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3981         is ready, stop marking functions, but still mark variables.
3982
3983 2005-10-20  Richard Guenther  <rguenther@suse.de>
3984
3985         PR c++/24439
3986         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3987         void type operands.
3988
3989 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3990
3991         PR rtl-optimization/23585
3992         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3993         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3994         (may_trap_p_1): New predicate extracted from...
3995         (may_trap_p): ... here.  Invoke may_trap_p_1.
3996         (may_trap_or_fault_p): New predicate.
3997         * rtl.h (may_trap_or_fault_p): Declare it.
3998         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3999         instead of may_trap_p.
4000         (steal_delay_list_from_fallthrough): Likewise.
4001         (fill_simple_delay_slots): Likewise.
4002         (fill_slots_from_thread): Likewise.
4003         * function.c (pad_to_arg_alignment): Rework comment about
4004         SPARC_STACK_BOUNDARY_HACK.
4005         * config/sparc/sparc.h: Likewise.
4006
4007 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4008
4009         * config/s390/s390.c (s390_expand_insv): New.
4010         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4011         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4012         ("icm_hi"): Remove mode attribute.
4013         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4014         Adjust all uses.
4015         ("*extracthi", "*extractqi"): Remove.
4016         (extv<mode>", "*extzv<mode>"): New.
4017         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4018         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4019
4020 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4021
4022         * cfgexpand.c (discover_nonconstant_array_refs_r,
4023         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4024         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4025         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4026         discover_nonconstant_array_refs.
4027
4028 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4029
4030         PR c/23228
4031         * c-decl.c (pop_scope): Don't warn about an unused variable
4032         if it is marked with TREE_NO_WARNING.
4033         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4034         somenow mismatch and olddecl is to be replaced.
4035
4036 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4037
4038         PR middle-end/23199
4039         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4040         whether registers live on the edge can be saved/restored.
4041
4042 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4043
4044         * config/sh/sh.c (fixup_mova): Skip notes.
4045
4046 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4047
4048         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4049         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4050         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4051         (s390_initial_elimination_offset): Likewise.
4052         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4053         register on TARGET_ZARCH targets.
4054         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4055         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4056         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4057         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4058
4059 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4060
4061         * config/s390/s390.md: Comment describing output modifiers updated.
4062         * config/s390/s390.c (print_operand): Likewise.
4063
4064 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4065
4066         * config/s390/s390.c (override_options): Added check for -mstack-size
4067         64k limitation.
4068         * doc/invoke.texi: Mention that limit in the documenation.
4069
4070 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4071
4072         PR #19672
4073         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4074
4075 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4076
4077         Fix PR tree-optimization/24231
4078
4079         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4080         (compute_avail): Ditto.
4081
4082 2005-10-18  Richard Henderson  <rth@redhat.com>
4083
4084         PR target/24428
4085         * config/i386/i386.c (legitimate_constant_p): Check
4086         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4087         if LABEL_REF.
4088         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4089         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4090         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4091         directly.
4092         (print_operand_address): Likewise.
4093         * config/i386/predicates.md (x86_64_immediate_operand): Test
4094         SYMBOL_REF_TLS_MODEL properly inside CONST.
4095         (x86_64_zext_immediate_operand): Likewise.
4096         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4097         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4098         * config/i386/i386-protos.h: Remove predicates.md entries.
4099
4100 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4101
4102         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4103         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4104
4105 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4106             Ian Lance Taylor <ian@airs.com>
4107
4108         PR middle-end/23522
4109         * fold-const.c (fold_widened_comparison): Do not allow range based
4110         constant folding when right operand cannot be unwidened.
4111
4112 2005-10-17  Richard Henderson  <rth@redhat.com>
4113
4114         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4115         with a memory clobber.
4116
4117 2005-10-17  James E Wilson  <wilson@specifix.com>
4118
4119         PR rtl-optimization/17356
4120         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4121         checking for EDGE_EH.
4122
4123 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4124
4125         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4126         the slot on an even boundary for any type with 16-byte alignment.
4127
4128 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4129
4130         PR target/23424
4131         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4132         after register allocation.
4133
4134 2005-10-17  DJ Delorie  <dj@redhat.com>
4135
4136         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4137         as frame related.
4138
4139 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4140
4141         PR c++/22551
4142         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4143         overflow flags.
4144
4145 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4146
4147         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4148         to 2 if it's already non-zero.
4149         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4150         is set and warn about it if flag_schedule_insns is 1.
4151
4152 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4153
4154         * config/crx/crx.md: Compare-and-branch instructions need to
4155         invalidate CC.
4156
4157 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4158
4159         PR target/24315
4160         * config/i386/i386.md (*pushdi2_rex64 splitter)
4161         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4162         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4163         flow2 pass only when (optimize > 0 && flag_peephole2).
4164
4165 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4166
4167         PR driver/22544
4168         * gcc.c (have_c): New static variable.
4169         (have_o): Likewise.
4170         (process_command): Remove declation of have_c.
4171         Set have_o to 1 when handling -o.
4172         (main): Add a fatel error if there are multiple
4173         files specified and -o and -c/-S is passed witout
4174         -combine or multiple languages.
4175
4176 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4177
4178         Fix PR tree-optimization/22444
4179         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4180         Assert that we don't hit something with subvars.
4181         (setup_pointers_and_addressables): Don't add things with subvars,
4182         because we'll already process the subvars for aliasing purposes.
4183
4184 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4185
4186         PR target/23424
4187         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4188         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4189         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4190         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4191         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4192         swapped, alternatives for the R constraint.
4193
4194         PR middle-end/24341
4195         * builtins.c (get_builtin_sync_mode): Make unlimited
4196         mode_for_size request.
4197
4198 2005-10-15  Richard Henderson  <rth@redhat.com>
4199
4200         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4201         (gimplify_expr): ... here.
4202         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4203         fb_lvalue in base expression.
4204
4205 2005-10-15  Richard Henderson  <rth@redhat.com>
4206
4207         PR 23714
4208         * builtins.c (expand_builtin_trap): Export.
4209         * expr.h (expand_builtin_trap): Declare.
4210         * expr.c (expand_assignment): Emit a trap for integral offsets
4211         from registers that weren't reduced to bitpos.
4212
4213         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4214         (mark_array_ref_addressable): Remove.
4215         * tree-flow.h (mark_array_ref_addressable): Remove.
4216         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4217
4218 2005-10-15  James E Wilson  <wilson@specifix.com>
4219
4220         PR target/24232
4221         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4222         (add_dependence_list_and_free): Likewise.
4223         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4224         call.
4225
4226 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4227
4228         PR 23141
4229         PR 23142
4230         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4231         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4232         anti-range.
4233         (vrp_visit_phi_node): Only prevent infinite iterations when
4234         the previous result and the new result are both VR_RANGEs.
4235
4236 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4237
4238         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4239         function comment.
4240
4241 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4242
4243         PR c/23439
4244         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4245         to initialize loc.
4246
4247 2005-10-14  Per Bothner  <per@bothner.com>
4248
4249         PR preprocessor/21250
4250         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4251
4252 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4253
4254         PR c++/22551
4255         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4256         overflow flags.  Refactor some conditionals.
4257
4258 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4259
4260         PR tree-opt/21304
4261         * tree-dfa.c (add_referenced_var): Only look at decls which
4262         have TREE_CONSTANT or TREE_READONLY set instead of if
4263         !TREE_PUBLIC or !TREE_CONSTANT.
4264
4265 2005-10-13  James E Wilson  <wilson@specifix.com>
4266
4267         * doc/invoke.texi: For -x, add f95-cpp-input.
4268         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4269
4270 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4271
4272         PR tree-optimization/24262
4273         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4274         in loop all the time.
4275
4276 2005-10-12  Richard Henderson  <rth@redhat.com>
4277
4278         PR c/24255
4279         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4280         * function.c (assign_parm_find_data_types): Don't support it.
4281         * print-tree.c (print_node): Likewise.
4282         * c-common.c (handle_transparent_union_attribute): Likewise.
4283         Use build_duplicate_type.
4284         * tree-inline.c (remap_type_1): Split out of remap_type;
4285         properly remap aggregate fields.
4286         (build_duplicate_type): New.
4287         * doc/extend.texi (Variable Attributes): Remove documentation
4288         for transparent_union.
4289
4290 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4291
4292         PR target/24284
4293         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4294         (gen_stack_pointer_dec): Likewise.
4295
4296 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4297
4298         PR middle-end/21275
4299         PR middle-end/21766
4300         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4301         target hook.
4302         (struct cxx): Add adjust_class_at_definition target hook.
4303         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4304         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4305         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4306         hook_void_tree. Add to TARGET_CXX.
4307         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4308         dllimport_flag.
4309         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4310         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4311         instead of attribute. Check for dllexport override.  Warn if
4312         inconsistent dll linkage. Don't lose old dllimport if decl has
4313         had address referenced.   Tweak lookup of dllimport atribute.
4314         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4315         for target specific rules.  Don't add dllimport attribute if
4316         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4317         dllimport attribute.
4318         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4319         * varasm.c (initializer_constant_valid_p): Replace
4320         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4321
4322         PR target/21801
4323         PR target/23589
4324         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4325         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4326         (i[34567]86-*-mingw32*): Likewise.
4327
4328         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4329         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4330
4331         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4332         C++-specific code. Change return value to bool.
4333         (i386_pe_dllimport_p): Likewise.
4334         (associated_type): Simplify and make language-independent
4335         (i386_pe_encode_section_info): Replace override of ambiguous
4336         dllimport symbol refs with a gcc_assert.
4337         (i386_pe_valid_dllimport_attribute_p): Define.
4338         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4339         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4340         i386_pe_adjust_class_at_definition.
4341         * config/i386/winnt-stubs.c: New file. Define stub versions of
4342         lang-specific functions.
4343         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4344         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4345         i386_pe_adjust_class_at_definition.
4346         (i386_pe_valid_dllimport_attribute_p): Declare.
4347         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4348         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4349         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4350
4351         PR target/19704
4352         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4353         dllimport attribute with test of DECL_DLLIMPORT_P.
4354
4355 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4356
4357         * combine.c (make_extraction): Correct offset computation.
4358
4359 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4360
4361         * config/cris/t-linux (LIMITS_H_TEST): Define.
4362
4363 2005-10-12  Richard Henderson  <rth@redhat.com>
4364
4365         PR rtl-opt/23324
4366         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4367
4368 2005-10-12  Richard Guenther  <rguenther@suse.de>
4369
4370         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4371
4372 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4373
4374         PR c++/19964
4375         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4376         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4377         type.
4378
4379 2005-10-12  Richard Guenther  <rguenther@suse.de>
4380
4381         PR c++/23799
4382         * varasm.c (output_constant): Correct typo from previous
4383         patch by DJ.
4384
4385 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4386
4387         PR rtl-optimization/13931
4388         * combine.c: Revert patch of 2003-05-14, and:
4389         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4390         completely killed in the appropriate insn.
4391         (distribute_notes): Don't skip multiple hard register test for
4392         elim_i1 and elim_i2.
4393
4394 2005-10-11  Richard Henderson  <rth@redhat.com>
4395
4396         PR c/24255
4397         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4398         to initialize a transparent union instead of a nop_expr.
4399
4400 2005-10-11  Richard Henderson  <rth@redhat.com>
4401
4402         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4403         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4404         (tree_ssa_dce_loop): Call scev_reset.
4405
4406         PR tree-opt/24300
4407         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4408         * tree-ssa-dce.c: Include cfgloop.h.
4409         (tree_ssa_dce_loop, pass_dce_loop): New.
4410         * tree-pass.h (pass_dce_loop): Declare it.
4411         * passes.c (init_optimization_passes): Use it.
4412
4413 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4414
4415         PR middle-end/24263
4416         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4417         Only apply the optimization for rounding builtins if the inner
4418         cast is also an extension.
4419
4420 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4421
4422         PR tree-opt/23946
4423         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4424         mark_new_vars_to_rename instead of update_stmt.
4425
4426 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4427
4428         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4429
4430 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4431
4432         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4433         for setting MMX register to 0 rather than mmx.
4434
4435 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4436
4437         PR target/12098
4438         * configure.ac: Move gas check from mips specific case to common case.
4439         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4440         * configure: Regenerate
4441         * doc/install.texi: Update.
4442
4443 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4444
4445         PR target/24284
4446         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4447
4448 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4449
4450         * gcc.c (do_spec_1): Accept numeric characters in file name
4451         suffixes.
4452
4453 2005-10-10  Nick Clifton  <nickc@redhat.com>
4454
4455         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4456         describing the deleted arm_gen_rotated_half_load function.
4457
4458 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4459
4460         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4461         __fpscr_values.
4462
4463 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4464
4465         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4466         gnu_ld assignments.
4467         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4468         (EXTRA_MULTILIB_PARTS): Define.
4469         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4470         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4471         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4472         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4473         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4474         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4475
4476 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4477
4478         PR tree-optimization/24226
4479         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4480         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4481         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4482         Export.
4483
4484 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4485
4486         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4487
4488 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4489
4490         PR target/24136
4491         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4492         Rewrite for no need for the early clobber.
4493
4494 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4495
4496         Merge from csl-arm-branch:
4497         2005-09-07  Paul Brook  <paul@codesourcery.com>
4498         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4499         space to string.
4500
4501         2005-04-30  Paul Brook  <paul@codesourcery.com>
4502         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4503         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4504
4505         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4506         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4507         (arm_override_options): Use TARGET_AAPCS_BASED.
4508         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4509         (PTRDIFF_TYPE): Use int for AAPCS.
4510         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4511         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4512         (DEFAULT_SHORT_ENUMS): Delete.
4513         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4514
4515         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4516         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4517         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4518         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4519
4520         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4521         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4522
4523         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4524         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4525
4526         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4527         * config.gcc (arm*-*-linux-gnueabi): Add it.
4528         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4529         redefining it.
4530         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4531         * config/arm/linux-eabi.h: New file.
4532         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4533         (LINUX_TARET_LINK_SPEC): Likewise.
4534         (LINK_SPEC): Use it.
4535         * config/arm/t-linux-eabi: New file.
4536
4537 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4538
4539         PR other/22202
4540         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4541         spaces.
4542         (PARAM_SMS_DFA_HISTORY): Likewise.
4543
4544 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4545
4546         PR middle-end/23150
4547         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4548         (load_register_parameters): Call it.
4549         (check_sibcall_argument_overlap_1): Likewise.
4550         (store_one_arg): Likewise.
4551
4552 2005-10-07  James E. Wilson  <wilson@specifix.com>
4553
4554         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4555         DImode not VECINT24 for operand 2.
4556
4557         PR target/23644
4558         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4559         -mtune-arch.
4560
4561         PR target/24193
4562         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4563         fr_spill): Use destination_operand for operand 0.
4564
4565 2005-10-07  DJ Delorie  <dj@redhat.com>
4566
4567         * varasm.c (output_constant): Limit error to expanding
4568         conversions.
4569
4570 2005-10-07  Richard Guenther  <rguenther@suse.de>
4571
4572         PR middle-end/24227
4573         * fold-const.c (fold_binary): Fix operand types during folding
4574         of X op (A, Y).  Evaluation order of the side-effects of
4575         X and A are frontend-defined, so ensure we honour that even for
4576         tcc_comparison class operands; eased by removing duplicate code.
4577
4578 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4579
4580         * stor-layout.c (layout_type): Do not allow alignment of array
4581         elements to be greater than their size.
4582
4583 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4584
4585         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4586         host_xmake_file.
4587         (hppa*-*-linux*): Ditto.
4588         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4589         * config/host-hpux.c: New.
4590         * config/x-hpux: New.
4591         * config/pa/x-hpux: Remove.
4592         * config/pa/x-linux: Remove.
4593         * config/pa/pa-host.c: Remove.
4594
4595 2005-10-07  Jeff Law  <law@redhat.com>
4596
4597         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4598         determine whether or not to try and thread outgoing edges.
4599
4600 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4601
4602         * config/rs6000/rs6000.md (eqsi_power): New.
4603         (neg_eq0si): Add TARGET_POWER to final condition.
4604         (neg_eqsi): Same.
4605
4606 2005-10-06  Richard Henderson  <rth@redhat.com>
4607
4608         * config/rs6000/rs6000.c: Revert last change.
4609
4610 2005-10-06  Richard Henderson  <rth@redhat.com>
4611
4612         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4613         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4614
4615 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4616
4617         PR middle-end/22216
4618         PR middle-end/23651
4619         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4620         out return_label and naked_return_label.
4621
4622 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4623
4624         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4625         change.
4626
4627 2005-10-06  Richard Henderson  <rth@redhat.com>
4628
4629         PR tree-opt/22237
4630         * tree-inline.c (declare_return_variable): Handle modify_dest not
4631         being a DECL.
4632
4633 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4634
4635         Fix PR tree-optimization/22488
4636         * tree-ssa-structalias.c (check_for_overlaps): New function.
4637         (create_variable_info_for): Use it.
4638
4639 2005-10-06  Richard Henderson  <rth@redhat.com>
4640
4641         PR debug/24070
4642         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4643         (dwarf2out_start_source_file): Print it.
4644
4645 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4646
4647         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4648
4649 2005-10-06  Richard Henderson  <rth@redhat.com>
4650
4651         PR 23706
4652         * mode-switching.c (optimize_mode_switching): Clear transp bit
4653         for block with incomming abnormal edges.
4654
4655         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4656         (fpscr_set_from_mem): Use them.
4657         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4658         (fpscr postinc splitters): Rewrite as peephole2+split.
4659
4660 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4661
4662         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4663         (eq<mode>_compare): Same.
4664
4665 2005-10-06  Richard Guenther  <rguenther@suse.de>
4666
4667         PR tree-optimization/24238
4668         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4669
4670 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4671
4672         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4673         here.  Use AC_PATH_PROG for environment variables instead of
4674         test -x.
4675         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4676         objdump also.
4677         * configure: Regenerated.
4678
4679 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4680
4681         PR target/23783
4682         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4683         then force it into a register.
4684         (call_value): Likewise.
4685
4686 2005-10-06  Richard Henderson  <rth@redhat.com>
4687
4688         PR 24049
4689         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4690         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4691         under pass_vectorize.
4692
4693 2005-10-05  Devang Patel  <dpatel@apple.com>
4694
4695         PR Debug/23205
4696         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4697         handling constants. Check NAMESPACE_DECL context for constants.
4698
4699 2005-10-05  Eric Christopher  <echristo@apple.com>
4700
4701         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4702
4703 2005-10-05  Richard Henderson  <rth@redhat.com>
4704
4705         PR 23714
4706         * tree-cfg.c (mark_array_ref_addressable_1): New.
4707         (mark_array_ref_addressable): New.
4708         * tree-flow.h (mark_array_ref_addressable): Declare.
4709         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4710
4711 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4712
4713         PR middle-end/20606
4714         PR middle-end/24069
4715         * reload.c (subst_reloads): When adding a REG_LABEL to a
4716         jump instruction, also update JUMP_LABEL.
4717
4718 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4719
4720         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4721         * bb-reorder.c (copy_bb_p): Use it.
4722         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4723
4724 2005-10-05  Richard Henderson  <rth@redhat.com>
4725
4726         PR target/23602
4727         * toplev.c (process_options): Warn about unsupported combinations
4728         of unwind tables and omit-frame-pointer.
4729         * config/i386/i386.c (override_options): Similarly.  Enable
4730         accumulate-outgoing-args if not explicitly disabled.
4731
4732 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4733
4734         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4735         Handle big endian vs. small endian.
4736         (vec_initv2sf): Handle big endian vs. small endian.
4737         (*vec_extractv2sf_1): Ditto.
4738
4739 2005-10-05  Dale Johannesen  <dalej@apple.com>
4740
4741         * convert.c (convert_to_real):  Don't convert
4742         (float)floor(double d) to floorf((float)d).
4743
4744 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4745
4746         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4747
4748 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4749
4750         PR tree-optimization/18587
4751         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4752         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4753         build_vuses): Change to VEC type.
4754         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4755         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4756         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4757         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4758         (get_name_decl): New.  Return DECL_UID of base variable.
4759         (operand_build_cmp): New.  qsort comparison routine.
4760         (operand_build_sort_virtual): New.  Sort virtual build vector.
4761         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4762         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4763         (FINALIZE_BASE): Use get_name_decl.
4764         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4765         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4766         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4767         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4768         direct VEC_* manipulations.
4769         (build_ssa_operands): Call operand_build_sort_virtual.
4770         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4771         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4772         with direct VEC_* manipulations.
4773         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4774         with direct VEC manipulations.
4775
4776 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4777
4778         PR tree-optimization/21419
4779         PR tree-optimization/24146
4780         PR tree-optimization/24151
4781
4782         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4783         (build_asm_expr): Call it if outputs are read-only.
4784         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4785
4786 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4787             Paolo Bonzini  <bonzini@gnu.org>
4788
4789         PR target/23809
4790
4791         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4792         enable the instructions and not just the built-ins.
4793         * doc/invoke.texi (x86 Options): Likewise.
4794
4795 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4796
4797         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4798
4799         * doc/invoke.texi (Option Summary): Correct spelling
4800         of -mmacosx-version-min.
4801
4802 2005-10-04  Devang Patel  <dpatel@apple.com>
4803
4804         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4805         real types.
4806
4807 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4808
4809         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4810         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4811
4812 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4813
4814         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4815         ("TE","tg"): New mode attributes.
4816         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4817         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4818         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4819         dword_mode and one for GPRmode.
4820
4821 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4822
4823         PR preprocessor/13726
4824         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4825         any comments passed in.
4826
4827 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4828
4829         * tree.c (annotate_with_file_line): Fix typo.
4830
4831 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4832
4833         PR ada/19382
4834         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4835         type used to access data in the inlined length == 1 case, use
4836         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4837         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4838
4839 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4840
4841         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4842         TARGET_SSE3 and only for TARGET_80387.
4843         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4844         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4845         Do not depend on TARGET_80387.
4846
4847 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4848
4849         * tree.c (last_annotated_node): Change type to location_t*.
4850         (annotate_with_file_line): Reflect the change of
4851         last_annotated_node type.
4852
4853 2005-10-04  Richard Guenther  <rguenther@suse.de>
4854
4855         PR c/23576
4856         * c-decl.c (grokdeclarator): Don't write to fields
4857         of error_mark_node.
4858
4859 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4860
4861         PR middle-end/23125
4862         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4863         register variables.
4864         * varasm.c (make_decl_rtl): If a register variable does not
4865         have a set user assmbler name, error out.
4866         Decode the asmspec is now name+1 bypassing '*'.
4867
4868 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4869
4870         PR tree-optimization/23049
4871         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4872         of a COND_EXPR is folded before calling fold on the whole rhs of a
4873         conditional assignment.
4874         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4875         document that a COND_EXPR may appear there.
4876
4877 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4878
4879         PR 23445
4880         * tree-vrp.c (extract_range_from_assert): If the new numeric
4881         range created out of the assertion contradicts the existing
4882         numeric range of the ASSERT_EXPR variable, make the new range
4883         varying.
4884
4885 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4886
4887         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4888         from T_REGS to FP register class.
4889
4890 2005-10-03  Richard Henderson  <rth@redhat.com>
4891
4892         PR 24135
4893         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4894         before creating a new one.
4895
4896 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4897
4898         * config/rs6000/t-aix43 (LDFLAGS): New.
4899         * config/rs6000/t-aix52 (LDFLAGS): New.
4900
4901 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4902
4903         * gimplify.c (find_single_pointer_decl_1): New static function.
4904         (find_single_pointer_decl): New static function.
4905         (internal_get_tmp_var): For a formal variable, set restrict base
4906         information if appropriate.
4907         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4908         return it.
4909         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4910         (DECL_GET_RESTRICT_BASE): Define.
4911         (SET_DECL_RESTRICT_BASE): Define.
4912         (decl_restrict_base_lookup): Declare.
4913         (decl_restrict_base_insert): Declare.
4914         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4915         * tree.c (restrict_base_for_decl): New static variable.
4916         (init_ttree): Initialize restrict_base_for_decl.
4917         (copy_node_stat): Copy restrict base information.
4918         (decl_restrict_base_lookup): New function.
4919         (decl_restrict_base_insert): New function.
4920         (print_restrict_base_statistics): New static function.
4921         (dump_tree_statistics): Call print_restrict_base_statistics.
4922
4923 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4924
4925         PR 24142
4926         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4927         case of anti-ranges.
4928
4929 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4930
4931         PR c/18851
4932         * c-typeck.c (tagged_tu_seen): Rename to ...
4933         (tagged_tu_seen_cache): this and add val field.
4934         (comptypes): Move functional to comptypes_internal
4935         and free tagged_tu_seen.
4936         (comptypes_internal): New function and call comptypes_internal
4937         instead of comptypes. Speed up by sibcalling
4938         tagged_types_tu_compatible_p.
4939         (alloc_tagged_tu_seen): New function
4940         (free_all_tagged_tu_seen_up_to): New function.
4941         (tagged_types_tu_compatible_p): Return the val of the seen two
4942         types.
4943         Add that the two types are the same to tagged_tu_seen_base
4944         if they are and call comptypes_internal instead of comptypes.
4945         <case UNION_TYPE>: Speed up common type where the fields are
4946         in the same order.
4947         (function_types_compatible_p): Call comptypes_internal instead of
4948         comptypes.
4949         (type_lists_compatible_p): Likewise.
4950         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4951
4952 2005-10-02  Matthias Klose  <doko@debian.org>
4953
4954         * doc/invoke.texi: Fix typo and speling error.
4955
4956 2005-10-01  Richard Henderson  <rth@redhat.com>
4957
4958         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4959
4960 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4961
4962         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4963         using --start-group and --end-group.
4964
4965 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4966
4967         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4968         FIXME note regarding quirky semantics.
4969
4970 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4971
4972         PR 24141
4973         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4974         non-null range as a last resort.
4975
4976 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4977             Diego Novillo  <dnovillo@redhat.com>
4978
4979         PR 23604
4980         * tree-vrp.c (extract_range_from_assert): For !=
4981         assertions, only build an anti-range if LIMIT is a
4982         single-valued range.
4983
4984 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4985
4986         * arm.md (movqi): On thumb when optimizing, handle loading from
4987         memory by describing this as taking a subreg of a zero-extended load
4988         into an SImode register.
4989         (movhi): Likewise.
4990
4991 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4992
4993         * reload1.c (merge_assigned_reloads): Do not change any
4994         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4995
4996 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4997
4998         * Makefile.in (LIPO_FOR_TARGET): Define.
4999         (STRIP_FOR_TARGET): Define.
5000
5001         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5002         before creating new ones.  Do symlinks before creating the actual
5003         targets.
5004
5005         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5006         to work out which multilibs are actually being built.
5007
5008 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5009
5010         * tree-vect-transform.c, config/ms1/ms1.md,
5011         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5012         Follow spelling conventions.
5013         * doc/invoke.texi, doc/md.texi: Fix typos.
5014
5015 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5016
5017         PR tree-optimization/21430
5018         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5019         use operands, and set stmt pointer if need be.
5020         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5021         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5022         present.
5023
5024 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5025
5026         PR middle-end/24053
5027         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5028
5029 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5030
5031         * optabs.c (expand_binop): Initialize first_pass_p.
5032
5033 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5034
5035         PR middle-end/24109
5036         * c-decl.c (c_write_global_declarations_1): If any
5037         wrapup_global_declaration_2 call returned true, restart the loop.
5038
5039 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5040
5041         Fix PR tree-optimization/24117
5042         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5043         before considering whether to use anyoffset.
5044
5045 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5046
5047         Revert this patch:
5048
5049         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5050
5051         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5052         to order operands.
5053         (swap_commutative_operands_with_target): New.
5054
5055 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5056
5057         PR c/21419
5058         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5059         read-only.
5060
5061 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5062
5063         PR tree-optimization/23911
5064         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5065         and IMAGPART_EXPR too.
5066
5067 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5068
5069         PR 17886
5070         * expmed.c (expand_shift): Move logic to reverse rotation
5071         direction when  rotating by constants ...
5072         * optabs.c (expand_binop): ... here.
5073         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5074         (ix86_rotrdi3): New pattern.
5075         (rotldi3): Handle 32-bit mode.
5076         (ix86_rotldi3): New pattern.
5077
5078 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5079
5080         PR target/24102
5081         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5082         check for numbers that need no bit twiddle.
5083
5084 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5085
5086         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5087         multilib to be built.
5088
5089         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5090         (stage1-start): Delete old libgcc and libunwind before moving
5091         anything into the stage directory.
5092         (stage2-start): Likewise.
5093         (stage3-start): Likewise.
5094         (stage4-start): Likewise.
5095         (stageprofile-start): Likewise.
5096         (stagefeedback-start): Likewise.
5097         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5098         header in tm_file and CPU-specific t-darwin in tmake_file.
5099         (i[34567]86-*-darwin*): Don't change tm_file.
5100         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5101         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5102         shared library stub for target OS version.
5103         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5104         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5105         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5106         (libgcc_s.%.dylib): New.
5107         (LIBGCC): Define.
5108         (install-darwin-libgcc-stubs): New.
5109         (INSTALL_LIBGCC): New append.
5110         * config/i386/darwin-libgcc.10.4.ver: New.
5111         * config/i386/darwin-libgcc.10.5.ver: New.
5112         * config/i386/t-darwin: New.
5113         * config/rs6000/darwin-libgcc.10.4.ver: New.
5114         * config/rs6000/darwin-libgcc.10.5.ver: New.
5115         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5116         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5117
5118 2005-09-28  Paul Brook  <paul@codesourcery.com>
5119
5120         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5121         denormals.
5122
5123 2005-09-28  Richard Guenther  <rguenther@suse.de>
5124
5125         PR tree-optimization/23853
5126         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5127         host_integerp to verify misalignment value.
5128
5129 2005-09-28  Richard Henderson  <rth@redhat.com>
5130
5131         * builtins.c (get_builtin_sync_mode): New.
5132         (expand_builtin_sync_operation): Pass in mode argument.
5133         (expand_builtin_compare_and_swap): Likewise.
5134         (expand_builtin_lock_test_and_set): Likewise.
5135         (expand_builtin_lock_release): Likewise.
5136         (expand_builtin): Update to match.
5137
5138 2005-09-28  Nick Clifton  <nickc@redhat.com>
5139
5140         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5141         formatting.  Add check to PLUS case to ensure that the offset is
5142         within an acceptable range.
5143
5144         * config/v850/v850.md (casesi): Disable the generation of the
5145         switch pattern as it is not being handled properly at the moment.
5146
5147         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5148         for when the high words are identical.
5149
5150 2005-09-27  Richard Henderson  <rth@redhat.com>
5151
5152         * pretty-print.c (pp_base_format): Fix typo for %>.
5153
5154 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5155             Devang Patel  <dpatel@apple.com>
5156
5157         PR tree-optimization/23625
5158         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5159         LABEL_EXPR, assertion check.
5160
5161 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5162
5163         * optabs.c (no_conflict_move_test): Check if a result of a
5164         to-be-moved insn would be clobbered by an originally
5165         preceding insn.
5166
5167 2005-09-27  Jeff Law  <law@redhat.com>
5168
5169         * passes.c (init_optimization_passes): Replace copy propagation
5170         passes immediately after DOM with phi-only copy propagation
5171         pases.  Add phi-only copy propagation pass after first DOM pass.
5172         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5173         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5174         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5175         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5176         to init_copy_prop.  Callers updated.
5177         (do_phi_only_copy_prop): New function.
5178         (pass_phi_only_copy_prop): New pass descriptor.
5179
5180 2005-09-27  Nick Clifton  <nickc@redhat.com>
5181
5182         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5183
5184 2005-09-26  Jason Merrill  <jason@redhat.com>
5185
5186         PR c++/13764
5187         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5188
5189         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5190
5191 2005-09-26  James E Wilson  <wilson@specifix.com>
5192
5193         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5194         copyright.  Add gcc copyright plus libgcc exception.
5195         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5196         copyright.
5197         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5198
5199 2005-09-26  Jeff Law  <law@redhat.com>
5200
5201         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5202         about when to iterate.
5203
5204 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5205
5206         PR target/23847
5207         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5208         for __complex__ double in -mcpu=G5 mode.
5209
5210 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5211
5212         PR tree-optimization/23942
5213         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5214         * tree-scalar-evolution.c: Include params.h.
5215         (t_bool): New enum.
5216         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5217         follow_ssa_edge_in_condition_phi_branch,
5218         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5219         Change return type to t_bool.  Use a parameter to limit the size of
5220         trees that are walked before stopping
5221         (analyze_evolution_in_loop): Initialize the limit to 0.
5222         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5223         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5224
5225 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5226
5227         PR middle-end/23831
5228         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5229         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5230
5231 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5232
5233         * combine.c (make_extraction): Check for valid use of subreg.
5234
5235 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5236
5237         PR target/24055
5238         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5239         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5240         ("fist<mode>2_with_temp"): Use only register operands.
5241
5242 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5243
5244         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5245         CALL_INSN_FUNCTION_USAGE.
5246
5247 2005-09-26  Richard Guenther  <rguenther@suse.de>
5248
5249         PR middle-end/15855
5250         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5251         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5252         (ldst_entry): Use the hashtable instead of list-walking.
5253         (find_rtx_in_ldst): Likewise.
5254         (free_ldst_entry): Free the hashtable.
5255         (compute_ld_motion_mems): Create the hashtable.
5256         (trim_ld_motion_mems): Remove entry from hashtable if
5257         removing it from list.
5258         (compute_store_table): Likewise^2.
5259         (store_motion): Free hashtable in case we did not see
5260         any stores.
5261
5262 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5263
5264         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5265         and arg1 if we are passing them to fold_build2.
5266
5267 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5268
5269         PR 23828
5270         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5271         a nested function.
5272
5273 2005-09-25  Richard Henderson  <rth@redhat.com>
5274
5275         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5276         SYMBOL_REF_TLS_MODEL to be correct.
5277
5278 2005-09-24  Richard Henderson  <rth@redhat.com>
5279
5280         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5281         end of function.  Reindent.
5282
5283 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5284
5285         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5286         NEGATE_EXPR/BIT_NOT_EXPR case.
5287
5288 2005-09-24  Richard Henderson  <rth@redhat.com>
5289
5290         * c-common.c (handle_mode_attribute): When not modifying in place,
5291         create subtypes for enumerations.
5292         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5293         * gimplify.c (create_tmp_from_val): Likewise.
5294
5295 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5296
5297         * config/i386/i386.md (*tls_global_dynamic_64,
5298         *tls_local_dynamic_base_64): Add missing mode to call.
5299         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5300
5301 2005-09-24  Jan Hubicka  <jh@suse.cz>
5302
5303         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5304         (cgraph_clone_node): Likewise.
5305         * cgraph.h (cgraph_clone_edge): Update prototype.
5306         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5307         duplicated prototypes; add updating argument.
5308         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5309         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5310         updating profile.
5311         (cgraph_mark_inline_edge): Likewise.
5312         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5313         (cgraph_flatten_node): Likewise.
5314         (cgraph_decide_recursive_inlining): Likewise.
5315         (cgraph_decide_inlining_of_small_function): Likewise.
5316         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5317
5318 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5319             Pete Steinmetz <steinmtz@us.ibm.com>
5320
5321         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5322         (rldic.): Set type to "compare".
5323         (rldicr.): Same.
5324         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5325         mfjmpr for MFCTR/MFLR.
5326         (movdf_hardfloat64): Same.
5327         (movdf_softfloat64): Same.  Correct order of store and move types.
5328         (movti_string): Set type to store_ux/load_ux.
5329         (load_multiple): Set type to load_ux.
5330         (store_multiple): Set type to store_ux.
5331         (movmemsi): Set type to store_ux.
5332         (output_cbranch direct_return): Set type to jmpreg.
5333         (stmw): Set type to store_ux.
5334         (lmw): Set type to load_ux.
5335         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5336         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5337         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5338         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5339         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5340         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5341         (rios1-fpstore): Increase latency to 3.
5342         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5343         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5344
5345 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5346             Andrew Pinski  <pinskia@physics.uc.edu>
5347
5348         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5349         operand2 constraint to "b".
5350         (sync_<fetchop_name>di_internal): Same.
5351         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5352         to "b".
5353         (sync_old_<fetchop_name>di_internal): Same.
5354         (sync_new_<fetchop_name>si_internal): Same.
5355         (sync_new_<fetchop_name>di_internal): Same.
5356
5357 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5358
5359         PR middle-end/23991
5360         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5361         case, define as macros.
5362
5363         PR rtl-optimization/23837
5364         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5365         clobber / clobber match between dest and p->first.
5366
5367         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5368         (no_conflict_move_test): Update comments.
5369
5370 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5371
5372         * doc/install.texi: Update URL for Jacks.
5373         * doc/sourcebuild.texi: Likewise.
5374
5375 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5376
5377         PR target/24007
5378         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5379         registers when choosing register preferences.
5380         (movdf_hardfloat64): Same.
5381
5382 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5383
5384         * expmed.c (expand_shift): Don't use the target of the rotate as
5385         target for the first expanded shift insn.
5386         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5387
5388 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5389
5390         PR tree-optimization/22438
5391         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5392         preserved iv rhs rewriting specially.
5393
5394 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5395
5396         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5397         estimate_only  is true.
5398         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5399         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5400         tree-ssa-structalias.c
5401         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5402         ref_contains_indirect_ref.
5403         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5404
5405 2005-09-21  DJ Delorie  <dj@redhat.com>
5406
5407         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5408         MASK_PTR_A0D0.
5409         (mn10300_return_in_memory): Support variable size types also.
5410         (mn10300_pass_by_reference): Likewise.
5411         (mn10300_function_value): New.
5412         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5413         (FUNCTION_OUTGOING_VALUE): Likewise.
5414         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5415         * doc/invoke.texi: Document it.
5416
5417 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5418
5419         PR target/22585
5420         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5421         force integer op1 into register for XFmode compares.
5422
5423 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5424
5425         PR middle-end/23971
5426         * expmed.c (alg_code): Add alg_impossible.
5427         (alg_hash_entry): Add cost.
5428         (synth_mult): Record alg_impossible in the hash table if
5429         multiplication by a given integer is impossble within the
5430         limit.  Speed up using alg_impossible.
5431
5432 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5433
5434         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5435         argument.  Allow and set any offset if needs_anyoffset is passed
5436         in.
5437         (get_constraint_for): Add argument here too.
5438         Pass it down.
5439         (do_structure_copy): Pass NULL to get_constraint_for.
5440         (handle_ptr_arith): Ditto.
5441         (find_func_aliases): Ditto.
5442
5443 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5444
5445         PR rtl-optimization/23898
5446         * output.h (get_attr_min_length): Declare.
5447         * final.c (get_attr_length_1): New function, broken out of:
5448         (get_attr_length).
5449         (get_attr_min_length): New function.
5450         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5451         (duplicate_computed_gotos): Likewise.
5452         * genattr.c (insn_min_length): Generate declaration.
5453         * genattrtab.c (min_fn, min_attr_value): New functions.
5454         (make_length_attrs): Generate insn_min_length.
5455
5456 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5457
5458         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5459
5460 2005-09-20  Richard Henderson  <rth@redhat.com>
5461
5462         PR tree-optimization/24059
5463         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5464         EXPAND_STACK_PARM.
5465
5466 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5467
5468         * c.opt (fextended-identifiers): New.
5469         * c-opts.c (c_common_handle_option): Handle
5470         -fextended-identifiers.
5471         * doc/cpp.texi: Update documentation of extended identifiers.
5472         * doc/cppopts.texi (-fextended-identifiers): Document.
5473
5474 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5475
5476         PR tree-optimization/23929
5477         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5478         if expr is NULL.
5479
5480         PR tree-optimization/23818
5481         * tree-stdarg.c (execute_optimize_stdarg): Call
5482         calculate_dominance_info.
5483
5484 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5485
5486         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5487         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5488         (compute_overlap_steps_for_affine_1_2): Use
5489         get_number_of_iters_for_loop.
5490         (analyze_subscript_affine_affine): Check whether difference is
5491         zero first.
5492         Use get_number_of_iters_for_loop.
5493         Check whether overlap occurs outside of bounds.
5494         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5495
5496 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5497
5498         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5499         base register if possible.
5500
5501 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5502
5503         PR tree-optimization/18463
5504         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5505         converting it directly is not possible.
5506         (chrec_convert_aggressive): New function.
5507         * tree-chrec.h (chrec_convert_aggressive): Declare.
5508         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5509         Fold chrec conversions aggressively if asked to.
5510         (instantiate_parameters): Modified because of changes in
5511         instantiate_parameters_1.
5512
5513 2005-09-19  Richard Henderson  <rth@redhat.com>
5514
5515         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5516         (reduc_splus_v2df): New.
5517
5518 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5519
5520         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5521         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5522
5523 2005-09-19  Richard Henderson  <rth@redhat.com>
5524
5525         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5526         vcondu<SSEMODE12>.
5527
5528 2005-09-19  Richard Henderson  <rth@redhat.com>
5529
5530         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5531         (ia64_expand_dot_prod_v8qi): New.
5532         * config/ia64/ia64-protos.h: Update.
5533         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5534         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5535         sdot_prodv8qi, sdot_prodv4hi): New.
5536         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5537
5538 2005-09-19  Richard Henderson  <rth@redhat.com>
5539
5540         PR 23941
5541         * real.c (exact_real_truncate): Return false if the format cannot
5542         represent the number as a normal.
5543
5544         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5545         for a memory source.
5546
5547 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5548
5549         * tree-ssa-operands.c (swap_tree_operands): Export.
5550         * tree.h (swap_tree_operands): Declare.
5551         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5552         Call swap_tree_operands.
5553
5554 2005-09-19  Richard Henderson  <rth@redhat.com>
5555
5556         * tree-flow.h (merge_alias_info): Declare.
5557         * tree-ssa-copy.c (merge_alias_info): Export.
5558         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5559         (vect_create_data_ref_ptr): Use create_iv directly.
5560         (vectorizable_load): Use correct types for integer constants.
5561         (vect_generate_tmps_on_preheader): Likewise.
5562         (vect_gen_niters_for_prolog_loop): Likewise.
5563
5564 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5565
5566         PR rtl-optimization/23943
5567         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5568
5569 2005-09-18  Jan Hubicka  <jh@suse.cz>
5570
5571         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5572
5573 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5574
5575         * varasm.c (output_constant): Do not abort on conversions to union
5576         types between different sizes.
5577
5578 2005-09-18  Richard Guenther  <rguenther@suse.de>
5579
5580         PR middle-end/23944
5581         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5582         fallback.
5583
5584 2005-09-18  Paul Brook  <paul@codesourcery.com>
5585
5586         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5587
5588 2005-09-17  Richard Henderson  <rth@redhat.com>
5589
5590         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5591         * tree-ssa-loop.c (pass_vect_dce): Remove.
5592         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5593         of pass_vectorize.
5594
5595 2005-09-17  Richard Henderson  <rth@redhat.com>
5596
5597         * tree-pass.h (pass_vect_dce): Declare.
5598         * passes.c (init_optimization_passes): Add it.
5599         * tree-flow.h (tree_ssa_dce): Declare.
5600         * tree-ssa-dce.c (tree_ssa_dce): Export.
5601         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5602         (gate_tree_vectorize): ... here.
5603         (pass_vect_dce): New.
5604
5605 2005-09-17  Jan Hubicka  <jh@suse.cz>
5606
5607         * except.c (struct eh_status): Turn region_array into vec.
5608         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5609         convert_from_eh_region_ranges, find_exception_handler_labels,
5610         current_function_has_exception_handlers, assign_filter_values,
5611         build_post_landing_pads, dw2_build_landing_pads,
5612         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5613         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5614         foreach_reachable_handler, can_throw_internal_1,
5615         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5616         region_array.
5617         (duplicate_eh_region_1): Update region_array.
5618         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5619
5620 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5621
5622         PR middle-end/22067
5623         * expmed.c (expand_mult): Substitute simple register for op0 when
5624         computing max_cost.
5625
5626 2005-09-17  Richard Henderson  <rth@redhat.com>
5627
5628         * expr.c (emit_move_via_integer): Add force argument, pass it on
5629         to emit_move_change_mode.  Update callers.
5630         (emit_move_complex): Pass true to new force argument.
5631         * function.c (expand_function_end): Move expand_eh_return call
5632         earlier.  Merge sub-word complex values into a pseudo before
5633         copying to the return hard register.
5634
5635 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5636
5637         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5638         between different sizes.
5639
5640 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5641
5642         PR 23903
5643
5644         * passes.c (init_optimization_passes): Register dump files for
5645         IPA passes first.
5646
5647 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5648
5649         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5650         * config/s390/s390.c (s390_overlap_p): New function.
5651         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5652         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5653         condition.
5654
5655 2005-09-16  Richard Guenther  <rguenther@suse.de>
5656
5657         * ipa-pure-const.c (static_execute): Free auxiliar information.
5658         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5659         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5660
5661 2005-09-15  DJ Delorie  <dj@redhat.com>
5662
5663         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5664
5665 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5666
5667         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5668         to order operands.
5669         (swap_commutative_operands_with_target): New.
5670
5671 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5672
5673         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5674         parameter.
5675         Update callers.
5676         (estimate_iters_using_array): New function.
5677         * tree-data-ref.h (estimate_iters_using_array): Prototype
5678         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5679         Use estimate_iters_using_array instead of analyze_array.
5680
5681 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5682
5683         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5684         as addressable.
5685
5686 2005-09-15  Michael Matz  <matz@suse.de>
5687
5688         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5689
5690 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5691
5692         PR tree-optimization/23835
5693         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5694         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5695
5696 2005-09-14  Richard Henderson  <rth@redhat.com>
5697
5698         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5699         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5700
5701 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5702
5703         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5704         in the ARRAY_TYPE case.
5705
5706 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5707
5708         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5709
5710 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5711
5712         PR middle-end/22480
5713         * tree-vect-transform.c (vectorizable_operation): Return false for
5714         scalar shift operations and for vector shift operations with
5715         non-invariant shift arguments.  Use scalar tree operand op1 as
5716         a shift operand when vector shift insn pattern uses scalar shift
5717         operand.
5718         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5719
5720 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5721
5722         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5723         value if it has side-effects.
5724
5725 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5726
5727         PR target/22068
5728         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5729
5730 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5731
5732         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5733         passed as NAME as if it were label at start of function code.
5734
5735 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5736
5737         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5738         the constraints.
5739
5740 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5741
5742         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5743         as early clobber.  Rewrite so the PIC register is not implicitly used.
5744
5745 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5746
5747         * tree.c (annotate_with_file_line): Compare line numbers before
5748         file names.
5749
5750 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5751
5752         PR target/23816
5753         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5754         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5755
5756 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5757
5758         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5759         than a HOST_WIDEST_INT to gen_doloop_begin.
5760
5761 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5762
5763         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5764
5765 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5766
5767         PR tree-optimize/23817
5768         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5769
5770 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5771
5772         PR target/23774
5773         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5774         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5775         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5776         (restore_stack_nonlocal): Likewise.
5777         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5778
5779 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5780
5781         PR g++/7874
5782         * c.opt (ffriend-injection): New C++ option.
5783         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5784         (C++ Dialect Options): Document -ffriend-injection.
5785
5786 2005-09-12  Josh Conner  <jconner@apple.com>
5787
5788         PR middle-end/23237
5789         * ipa-reference.c (static_execute): Don't mark variables in
5790         named sections TREE_READONLY.
5791
5792 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5793
5794         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5795         stack_tie.
5796
5797 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5798
5799         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5800         V_MUST_DEF instead of just the first_use_p.
5801         Don't mark the virtual variables for renaming on the statement which
5802         is being removed.
5803         (pass_dse): Remove TODO_update_ssa.
5804
5805 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5806
5807         PR middle-end/23290
5808         * stor-layout.c (compute_record_mode): For records with a single
5809         field, actually check the field's mode size against the type size.
5810
5811         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5812         registers for TARGET_SHMEDIA.
5813         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5814         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5815         of GENERAL_REGS and FP_REGS.
5816
5817 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5818
5819         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5820
5821 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5822
5823         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5824         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5825         are omitted.  Exclude stack_tie insn too.
5826
5827 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5828
5829         PR rtl-optimization/23098
5830         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5831         0.0f is easy.
5832         * config/rs6000/rs6000.md (movdf splitter): Use
5833         const_double_operand predicate for TARGET_POWERPC64.
5834         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5835         SYMBOL_REF method to ABI_V4.
5836
5837         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5838         replace_equiv_address.
5839         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5840         rs6000_sr_alias_set and MEM_NOTRAP.
5841         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5842
5843 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5844
5845         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5846         handle CALL_EXPR again.
5847
5848 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5849
5850         * arm/predicates.md (alignable_memory_operand): Delete.
5851
5852 2005-09-10  Richard Henderson  <rth@redhat.com>
5853
5854         PR debug/23806
5855         * dbxout.c (dbxout_expand_expr): New.
5856         (dbxout_symbol): Use it.
5857
5858 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5859
5860         * arm.c (arm_gen_rotated_half_load): Delete.
5861         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5862         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5863         (thumb_set_return_address): Likewise.
5864         (thumb_load_double_from_address): Use adjust_address.
5865         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5866         (extendhsisi2_mem, movhi_bytes): Use change_address.
5867         (movhi): Use widen_memory_access.
5868         (reload_out_df): Use replace_equiv_address.
5869         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5870
5871 2005-09-09  Richard Henderson  <rth@redhat.com>
5872
5873         PR debug/20998
5874         * dbxout.c: Include expr.h.
5875         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5876         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5877         * Makefile.in (dbxout.o): Add EXPR_H.
5878
5879 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5880
5881         PR tree-optimization/23509
5882         * tree-cfg.c (replace_uses_by): Use replace_exp.
5883         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5884         pointers have name_mem_tag or type_mem_tag set.
5885
5886 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5887
5888         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5889         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5890         of wrongly accessing operands.
5891
5892 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5893
5894         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5895         * tree-chrec.c: Include tree-scalar-evolution.h.
5896         (chrec_convert): Instantiate the base and step before calling
5897         scev_probably_wraps_p that would fail on parametric evolutions.
5898         Collect all the fails into a single section failed_to_convert,
5899         print a diagnostic, and return chrec_dont_know instead of calling
5900         fold_convert.
5901         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5902         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5903         phi nodes.
5904         (scev_const_prop): Don't replace the definition of a loop closed ssa
5905         phi node by itself, or by another loop closed ssa phi node.
5906         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5907         that base and step are defined.
5908
5909 2005-09-09  Richard Guenther  <rguenther@suse.de>
5910
5911         PR c++/23624
5912         * fold-const.c (fold_ternary): Check truth_value_p before
5913         calling invert_truthvalue.
5914
5915 2005-09-09  Nick Clifton  <nickc@redhat.com>
5916
5917         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5918         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5919         dimension of these arrays.
5920         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5921         these arrays.
5922         * longlong.h: Only provide a prototype for the __clz_tab[] array
5923         if this header has not been included from libgcc2.h.
5924         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5925         defining own types.
5926         Provide prototypes for exported functions.
5927         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5928         libgcc2.c.
5929
5930 2005-09-08  Josh Conner  <jconner@apple.com>
5931
5932         PR c++/21135
5933         PR c++/23180
5934         * expr.c (expand_expr_addr_expr_1): Don't invoke
5935         expand_simple_binop for EXPAND_INITIALIZER.
5936
5937 2005-09-08  Richard Henderson  <rth@redhat.com>
5938
5939         PR debug/23190
5940         * toplev.c (wrapup_global_declaration_1): Split out ...
5941         (wrapup_global_declaration_2): ... from ...
5942         (wrapup_global_declarations): ... here.  Return bool.
5943         (check_global_declaration_1): Split out ...
5944         (check_global_declarations): from here.
5945         (emit_debug_global_declarations): New.
5946         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5947         check_global_declaration_1, emit_debug_global_declarations): Declare.
5948         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5949         of decls.  Call wrapup_global_declaration_1,
5950         wrapup_global_declaration_2, check_global_declaration_1 directly.
5951         (c_write_global_declarations_2): New.
5952         (ext_block): New.
5953         (c_write_global_declarations): Call c_write_global_declarations_2.
5954         * langhooks.c (write_global_declarations): Call
5955         emit_debug_global_declarations.
5956
5957         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5958         remove decls that have DECL_RTL_SET_P.
5959         * passes.c (rest_of_decl_compilation): Invoke
5960         cgraph_varpool_finalize_decl for all but functions.
5961
5962 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5963
5964         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5965         the result of a conversion if the new min and max cannot be compared.
5966
5967 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5968
5969         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5970         (override_options): Setting s390_sr_alias_set removed.
5971         (save_fpr, save_gprs): Set alias set to vararg or frame.
5972         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5973         s390_sr_alias_set with get_frame_alias_set ().
5974         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5975         get_varargs_alias_set ().
5976
5977 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5978
5979         PR objc/20574
5980         PR objc/19324
5981         * c-parser.c (c_parser_objc_method_definition): If the next
5982         token is not "{", error out and don't start the function.
5983
5984 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5985
5986         * tree-vrp.c (extract_range_from_expr): Move the check for non
5987         nullness after the check for gimple invariant.
5988
5989 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5990
5991         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5992
5993 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5994
5995         PR target/23747
5996         * config/m32r.md (movmemsi_internal): Canonicalize order of
5997         operands in PLUS component of template.
5998
5999 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6000
6001         * reload1.c (fixup_eh_region_note): Remove assertion.
6002         (fixup_abnormal_edges): Reverted removal of call to
6003         find_many_sub_basic_blocks made on 2005-08-31.
6004
6005 2005-09-07  Richard Henderson  <rth@redhat.com>
6006
6007         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6008         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6009         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6010         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6011         rearrange for better packing.
6012         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6013         (lookup_cfa_1): Remove inline marker.
6014         (cfa_equal_p): Split out of ...
6015         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6016         (build_cfa_loc): Handle !cfa->indirect.
6017         (frame_pointer_cfa_offset): New.
6018         (dbx_reg_number): Assert register elimination performed; do
6019         leaf register remapping.
6020         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6021         (eliminate_reg_to_offset): New.
6022         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6023         for verifiably local stack frame addresses; re-base to CFA.
6024         (mem_loc_descriptor): Remove can_use_fbreg argument.
6025         (concat_loc_descriptor, loc_descriptor): Likewise.
6026         (containing_function_has_frame_base): Remove.
6027         (rtl_for_decl_location): Don't do register elimination or
6028         leaf register remapping here.
6029         (secname_for_decl): Split out from ..
6030         (add_location_or_const_value_attribute): ... here.
6031         (convert_cfa_to_loc_list): New.
6032         (compute_frame_pointer_to_cfa_displacement): New.
6033         (gen_subprogram_die): Use them.
6034         * tree.h (frame_base_decl): Remove.
6035         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6036         (prologue_stack_adjust): Remove.
6037         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6038         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6039         (set_frame_base_location): Remove.
6040         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6041         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6042         (vt_add_function_parameters): Don't eliminate_regs.
6043         (vt_initialize): Don't create frame_base_decl.
6044
6045 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6046
6047         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6048         version of GNU binutils for 4.x and later.
6049
6050 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6051
6052         * ggc-page.c (ggc_push_context): Remove.
6053         (ggc_pop_context): Likewise.
6054         * ggc.h (ggc_push_context): Remove.
6055         (ggc_pop_context): Likewise.
6056
6057 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6058
6059         PR target/8973
6060         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6061         returning from an interrupt handler.
6062
6063 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6064
6065         PR target/8972
6066         * config/arc/arc.c (output_shift): Add check for loop count when
6067         optimizing.
6068
6069 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6070
6071         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6072         form manually.
6073         (abs_replacement): Likewise.
6074         (pass_phiopt): Remove TODO_update_ssa.
6075
6076 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6077
6078         PR c/23075
6079         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6080         if "return with no value, in function returning non-void" warning
6081         has been issued.
6082         * tree-cfg.c (execute_warn_function_return): Don't look at
6083         RETURN_EXPRs with TREE_NO_WARNING set.
6084
6085         PR target/22362
6086         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6087         for internal functions doesn't use registers used by global registers
6088         variables.  Use fewer register parameters if there are global register
6089         variables.
6090
6091 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6092             Eric Botcazou  <ebotcazou@adacore.com>
6093
6094         PR middle-end/14997
6095         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6096         when we would be extracting outside its bit span (bitpos+bitsize
6097         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6098         Ada unchecked conversions.
6099
6100 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6101
6102         * tree-ssa-pre.c (try_look_through_load): New function.
6103         (compute_avail): Use it to try to look through loads for some
6104         more useful expressions.
6105
6106 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6107
6108         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6109         condition for detecting cases like (a&a) and (a^a).
6110
6111 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6112
6113         * common.opt: Add option ftree-vect-loop-version.
6114         * params.def: Add --param vect-max-version-checks.
6115         * doc/invoke.texi: Document ftree-vect-loop-version and
6116         --param vect-max-version-checks.
6117         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6118         may_misalign_stmts and defines for accessors.
6119         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6120         LOOP_VINFO_MAY_MISALIGN_STMTS.
6121         (destroy_loop_vec_info): VEC_free for
6122         LOOP_VINFO_MAY_MISALIGN_STMTS.
6123         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6124         Update documentation.
6125         (vect_update_misalignment_for_peel): New.
6126         (vect_enhance_data_refs_alignment): Update to choose loop
6127         peeling or loop versioning if appropriate for the (potentially)
6128         unaligned data references in the loop.
6129         (vect_analyze_data_refs_alignment): Remove call to
6130         vect_enhance_data_refs_alignment so the checks can be done
6131         earlier.
6132         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6133         and move up call to vect_analyze_data_refs_alignment.
6134         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6135         (vect_transform_loop): Add call to loop_version.
6136
6137 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6138
6139         PR rtl-optimization/23098
6140         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6141         * simplify-rtx.c (constant_pool_reference_p): New function.
6142         * rtl.h (constant_pool_reference_p): New prototype.
6143         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6144         constant_pool_reference_p in condition and
6145         avoid_constant_pool_reference in preparation statements.
6146
6147 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6148
6149         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6150         STRICT_LOW_PART SETs.
6151
6152 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6153
6154         PR middle-end/21460
6155         * except.c (sjlj_emit_function_enter): Find the function begin
6156         note even when it's not in first basic block.
6157
6158 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6159
6160         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6161         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6162         * aclocal.m4: Regenerate.
6163
6164 2005-09-05  DJ Delorie  <dj@redhat.com>
6165
6166         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6167         of macro.
6168
6169 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6170
6171         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6172         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6173         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6174         Follow spelling conventions.
6175         * doc/invoke.texi: Follow spelling conventions.
6176
6177 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6178
6179         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6180         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6181         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6182
6183 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6184
6185         PR target/23683
6186         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6187         (output_stack_adjust): Use gen_tmp_stack_mem.
6188         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6189         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6190         (sh_get_pr_initial_val): Likewise.
6191         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6192         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6193         * sh.md (divsi_inv_m0): Use gen_const_mem.
6194         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6195         (movdf_i4+1): Use gen_tmp_stack_mem.
6196         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6197         (fpu_switch+2): Likewise.
6198         (movv4sf_i, movv16sf_i): Use adjust_address.
6199         (symGOT_load): Set MEM_NOTRAP_P bit.
6200
6201 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6202
6203         PR target/23721
6204         * pa.c (emit_move_sequence): Fix typo in last change.
6205
6206 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6207
6208         PR rtl-optimization/23454
6209         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6210         is true.
6211
6212 2005-09-03  Richard Henderson  <rth@redhat.com>
6213             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6214
6215         PR middle-end/23671
6216         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6217         gen_rtx_MEM.
6218
6219 2005-09-02  Nicolas Pitre <nico@cam.org>
6220
6221         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6222         to bit_count to 32 bits.
6223
6224 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6225
6226         PR c++/23167
6227         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6228         generating synthetic loads from volatile lvalues.
6229
6230 005-09-02  Nick Clifton  <nickc@redhat.com>
6231
6232         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6233         __ctzhi2, __clzhi2): New functions.
6234
6235 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6236
6237         PR middle-end/23547
6238         * tree-nested.c (struct var_map_elt): Mark with GTY.
6239         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6240         var_map_elt.
6241         (lookup_field_for_decl): Allocate new element in GC memory.
6242         (lookup_tramp_for_decl): Likewise.
6243         (convert_nl_goto_reference): Likewise
6244         (create_nesting_tree): Allocate info in GC memory. Likewise for
6245         info->var_map.
6246         (free_nesting_tree): Free with ggc_free instead of free.
6247         (root): New static variable.
6248         (lower_nested_functions): Remove root as local variable.  And zero out
6249         root at the end of the function.
6250
6251 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6252
6253         PR rtl-optimization/20365
6254         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6255         to short.  New member ix.
6256         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6257         (simplify_plus_minus): Initialize ix members before calling qsort.
6258
6259 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6260
6261         PR tree-optimization/23626
6262         * tree-cfg.c (replace_uses_by): Clean up eh info.
6263
6264 2005-09-01  DJ Delorie  <dj@redhat.com>
6265
6266         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6267         fprintf.
6268
6269 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6270
6271         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6272         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6273         gen_rtx_MEM.
6274
6275 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6276
6277         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6278         do not issue warning for a variable definition following
6279         a declaration.
6280
6281 2005-09-01  Richard Henderson  <rth@redhat.com>
6282
6283         PR 23668
6284         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6285         conversion to CONST_VECTOR.
6286
6287 2005-09-01  Richard Henderson  <rth@redhat.com>
6288
6289         PR 23676
6290         * reload1.c (reload_as_needed): Check !CALL_P before calling
6291         fixup_eh_region_note.
6292         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6293
6294 2005-09-01  DJ Delorie  <dj@redhat.com>
6295
6296         * varasm.c (output_constant): Let the target resolve
6297         conversions of addresses to non-default pointer sizes.
6298
6299 2005-09-01  Nicolas Pitre <nico@cam.org>
6300
6301         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6302         to alow matching ARM pre-indexed addressing mode.
6303         (arm_override_options): Remove now irrelevant comment.
6304
6305 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6306
6307         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6308         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6309         * config/i386/vxworks.h:  Likewise.
6310         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6311         * config/i386/vxworksae.h:  Likewise.
6312
6313 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6314
6315         PR tree-optimization/23410
6316         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6317         sequence is not wrapping during the first step.
6318
6319 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6320
6321         PR debug/7241
6322         * dwarf2out.c (base_type_die): Compare char_type_node with
6323         TYPE_MAIN_VARIANT (type), not type.
6324
6325 2005-09-01  Richard Guenther  <rguenther@suse.de>
6326
6327         PR tree-optimization/15366
6328         * common.opt: Add -finline-functions-called-once.
6329         Put -fearly-inlining in alphabetically ordered place.
6330         * doc/invoke.texi: Document new option.
6331         * ipa-inline.c (cgraph_decide_inlining): Honour
6332         flag_inline_functions_called_once.
6333
6334 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6335
6336         PR rtl-optimization/23478
6337         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6338         (alloc_qty): Initialize it.
6339         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6340         (combine_regs): Combine also n_throwing_calls_crossed fields.
6341         (find_free_reg): Don't attempt to caller-save pseudos crossing
6342         calls that might throw.
6343         * global.c (struct allocno): Add throwing_calls_crossed field.
6344         (global_alloc): Revert 2005-08-22 change.  Initialize
6345         throwing_calls_crossed.
6346         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6347         might throw.
6348
6349 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6350
6351         PR target/23649
6352         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6353         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6354         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6355         (and64_2_operand): Tweak to use predicate.
6356         (and_operand): Adjust for mask_operand changes.
6357         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6358         (print_operand): Likewise.
6359         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6360         (mask64_1or2_operand): Delete.
6361         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6362         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6363         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6364         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6365         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6366         (rotldi3_internal4): Likewise.
6367         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6368         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6369         (ashldi3_internal7): Likewise.
6370         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6371         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6372         (anddi3 split): Don't match mask64_operand.
6373         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6374         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6375         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6376         't' splitter predicate.
6377         (movdi_internal64 + 2): Revert 2005-06-11 change.
6378
6379 2005-08-31  DJ Delorie  <dj@redhat.com>
6380
6381         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6382         (m32c_asm_integer): Add support for 32 bit pointers.
6383
6384 2005-08-31  Richard Henderson  <rth@redhat.com>
6385
6386         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6387         component-like references for setting MEM_NOTRAP_P.
6388
6389         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6390         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6391
6392 2005-08-31  Richard Henderson  <rth@redhat.com>
6393
6394         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6395         into a pseudo before applying gen_lowpart.
6396
6397 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6398
6399         * doc/install.texi (Specific): Update cctools version required
6400         for full functionality.
6401         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6402         linkers as -macosx_version_min.
6403
6404 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6405
6406         PR target/21255
6407         * sh.c (print_operand, %R and %S): Add handling of floating point
6408         registers, memory, constants and invalid operands.
6409
6410 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6411
6412         * ipa-pure-const.c: Change dump name.
6413
6414 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6415
6416         PR target/23570
6417         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6418         to "reg_or_0_operand".
6419         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6420
6421 2005-08-31  Dale Johannesen  <dalej@apple.com>
6422
6423         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6424         loops that count down.
6425
6426 2005-08-31  Richard Henderson  <rth@redhat.com>
6427
6428         PR rtl-opt/23601
6429         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6430         (fixup_eh_region_note): New.
6431         (reload_as_needed): Call it.
6432         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6433         don't call find_many_sub_basic_blocks; call verify_flow_info.
6434         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6435         (keep_stack_depressed): Likewise.
6436         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6437
6438 2005-08-31  Richard Henderson  <rth@redhat.com>
6439
6440         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6441         fp return matching.
6442
6443 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6444
6445         * expr.c (expand_expr_real_1): Compare size of address
6446         mode to target's address mode size in deciding expansion of
6447         the constant address.
6448
6449 2005-08-31  Richard Guenther  <rguenther@suse.de>
6450
6451         PR middle-end/23477
6452         * expr.c (all_zeros_p): New function.
6453         (expand_expr_real_1): Handle the case of an all-zero
6454         non-addressable constructor separately.
6455
6456 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6457
6458         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6459         arguments, adjust all callers.
6460         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6461
6462 2005-08-30  Richard Henderson  <rth@redhat.com>
6463
6464         PR target/23630
6465         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6466         whenever the mode sizes match.
6467
6468 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6469
6470         * calls.c (load_register_parameters): Fix comment typo.
6471         * expr.c (emit_push_insn): Comment formatting.
6472
6473 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6474
6475         * config/i386/x-cygwin (host-cygwin): Change dependency from
6476         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6477
6478 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6479
6480         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6481         parts of 'vals'.
6482
6483 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6484
6485         PR middle-end/23408
6486         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6487         call to ggc_collect.
6488
6489 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6490
6491         PR bootstrap/21268
6492         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6493         beginning.  Remove $(INCLUDES) from all the rules, if following
6494         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6495
6496 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6497
6498         PR middle-end/23484
6499         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6500         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6501         not constant, but maxlen is, don't set len to maxlen, rather
6502         set maxlen to len if len is a constant.
6503
6504 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6505
6506         PR tree-optimization/23475
6507         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6508         and counts.
6509
6510 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6511
6512         Fix PR middle-end/22455
6513
6514         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6515         Checksum only the parts of the tree that exist for the tree code.
6516
6517 2005-08-28  Dale Johannesen  <dalej@apple.com>
6518
6519         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6520
6521 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6522
6523         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6524
6525 2005-08-28  Richard Henderson  <rth@redhat.com>
6526
6527         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6528         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6529         of char_type_node.
6530
6531 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6532
6533         PR ada/23593
6534         * builtins.c (get_memory_rtx): Don't strip nops
6535         in between COMPONENT_REFs.
6536
6537 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6538
6539         PR middle-end/23463
6540         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6541         types.
6542         (gimplify_modify_expr): Check for zero sized types and gimplify the
6543         rhs and lhs as statements.
6544
6545 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6546
6547         PR libgcj/23508
6548         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6549         state for return address column of signal frames.
6550
6551 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6552
6553         PR target/23539
6554         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6555         bytes >= 2 not bytes == 2.
6556         (expand_block_move): Same.
6557
6558 2005-08-27  Richard Guenther  <rguenther@suse.de>
6559
6560         PR target/23575
6561         * config/i386/sse.md (sse2_movsd): Add missing closing
6562         braces.
6563
6564 2005-08-27  Paul Brook  <paul@codesourcery.com>
6565
6566         * genrecog.c (enum decision_type): Add DT_num_insns.
6567         (struct decision_test): Add u.num_insns.
6568         (add_to_sequence): Add DT_num_insns test.
6569         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6570         (write_cond, debug_decision_2): Ditto.
6571         (change_state): Assume peep2_next_insn never fails.
6572         Remove "afterward" argument.
6573         (write afterward, write_tree): Update to match.
6574         * recog.c (peep2_current_count): New variable.
6575         (peep2_next_insn): Check it.
6576         (peephole2_optimize): Set peep2_current_count.
6577         * recog.h (peep2_current_count): Declare.
6578
6579 2005-08-26  Josh Conner  <jconner@apple.com>
6580
6581         PR middle-end/23584
6582         * ipa-pure-const.c (check_tree): Check for volatile-ness
6583         when considering a dereference.
6584
6585 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6586
6587         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6588
6589 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6590
6591         PR rtl-optimization/23561
6592         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6593         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6594         at most LEN bytes long memory fits into the field.
6595         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6596         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6597         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6598
6599 2005-08-26  Richard Henderson  <rth@redhat.com>
6600
6601         PR rtl-opt/23560
6602         * loop.c (biased_biv_may_wrap_p): New.
6603         (maybe_eliminate_biv_1): Use it to suppress non-equality
6604         comparison transformations.  Delete disabled code.
6605
6606 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6607
6608         * combine.c (make_extraction): Avoid reference outside object.
6609
6610 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6611
6612         * stor-layout.c (finalize_type_size): Restore behaviour for
6613         non-aggregate types to the status quo ante of the patch for
6614         pr 23467.  Document why it matters.
6615
6616 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6617
6618         PR c/23506
6619         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6620         array by one element, initialize the BT_LAST element with NULL.
6621
6622 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6623
6624         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6625         optimizing for size.
6626         (plus_eqsi): Same.
6627         (compare_plus_eqsi): Same.
6628         (plus_eqsi_compare): Same.
6629         (neg_eq0<mode>): Same.
6630         (neg_eq<mode>): Same.
6631
6632         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6633         PROCESSOR_POWER4.
6634
6635 2005-08-26  Nick Clifton  <nickc@redhat.com>
6636
6637         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6638         TARGET_EP is not defined.
6639         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6640         TARGET_EP is enabled.
6641         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6642         * config/v850/v850.md (save_all_interrupt): Only use the EP
6643         register if TARGET_EP is defined.
6644         (restore_all_interrupt): Likewise.
6645         * config/v850/lib1funcs.asm: Update functions so that the EP
6646         register is only used if __EP__ is defined.
6647
6648 2005-08-26  David Ung  <davidu@mips.com>
6649
6650         * config/mips/mips.c (mips_expand_prologue): Handle case when
6651         generating for MIPS16 and the outgoing argument area is more than
6652         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6653         add instruction.
6654
6655 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6656
6657         * config/crx/crx.md: Make doloop_end pattern usage controllable
6658         via mloop-nesting=<max-nesting> command line switch. Make sure
6659         the combiner cannot use doloop_end_<mode> in an illegal way.
6660         * config/crx/crx.c: Use regs up to r6 for argument passing.
6661         Refine crx_address_cost (non cst4 displacements are expensive).
6662         * config/crx/crx.opt: Add switch for mloop-nesting=.
6663
6664 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6665
6666         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6667         (UNSPEC_MVST): New constant.
6668
6669 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6670
6671         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6672         Reject operands containing eliminable registers.
6673         * testsuite/gcc.dg/20050825-1.c: New testcase.
6674
6675 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6676             Jan Hubicka  <jh@suse.cz>
6677
6678         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6679
6680 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6681
6682         PR tree-optimization/23546
6683         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6684         and REAL_CST nodes.
6685
6686 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6687
6688         * params.def (PARAM_MIN_SPEC_PROB): New.
6689         * sched-rgn.c (MIN_PROBABILITY): Delete.
6690         (compute_trg_info): Convert to PARAM_VALUE.
6691         * doc/invoke.texi (param): Document min-spec-prob.
6692
6693 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6694
6695         * config/darwin.h: define __PIC__
6696         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6697         TARGET_OS_CPP_BUILTINS macro.
6698
6699 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6700
6701         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6702         yesterday.
6703
6704 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6705
6706         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6707         to duplicate_block.
6708         * cfghooks.c (duplicate_block): Added position where to place
6709         new block as argument.
6710         * cfghooks.h (duplicate_block): Declaration changed.
6711         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6712         duplicate_block.
6713         * cfglayout.h (copy_bbs): Declaration changed.
6714         * cfgloop.h (loop_version): Declaration changed.
6715         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6716         position to copy_bbs.
6717         (loop_version): Pass position to duplicate_loop_to_header_edge.
6718         Add place_after argument and position new blocks according to
6719         it.
6720         * modulo-sched.c (sms_schedule): Pass place_after argument
6721         to loop_version.
6722         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6723         * tree-cfg.c (split_edge_bb_loc): New function.
6724         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6725         to determine position of new blocks.
6726         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6727         to loop_version.
6728         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6729         argument to duplicate_block.
6730         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6731         Pass position to copy_bbs.
6732
6733 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6734
6735         * fold-const.c (ptr_difference_const): Use
6736         cst_and_fits_in_hwi instead of host_integerp.
6737
6738 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6739
6740         * config/darwin.c (gen_pic_offset): New.
6741         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6742         Use it.
6743
6744 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6745
6746         PR tree-optimization/23486
6747         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6748
6749 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6750
6751         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6752         remove use_collect2.
6753         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6754
6755         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6756         configuration files to override the default value.
6757
6758         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6759         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6760         * config/vx-common.h:  New file, split out from...
6761         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6762         * config/vxworksae.h:  New file, for VxWorks AE.
6763         * config/vxworks.opt:  New file.
6764         * config/vxlib.c:  Update for VxWorks 6.
6765
6766         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6767         other MULTILIB_* variables appropriately.
6768         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6769         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6770         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6771         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6772
6773 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6774
6775         PR target/20799
6776         * config/darwin.c (machopic_select_section): Remove the hack to
6777         mark "::operator new" and "::operator delete" for coalescing
6778         even though they are not weak.
6779
6780 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6781
6782         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6783         * configure: Regenerate.
6784
6785 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6786
6787         PR middle-end/23517
6788         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6789         between vectors.
6790         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6791         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6792         Likewise.
6793
6794 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6795
6796         * config/rs6000/predicates.md (equality_operator): New.
6797         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6798         comparison with a large constant.
6799
6800 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6801
6802         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6803
6804 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6805
6806         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6807         registers is even, and we have a hardware double precision fp,
6808         align the buffer.
6809         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6810         size of current argument when checking if argument was passed in
6811         registers.
6812
6813         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6814
6815         PR middle-end/23467
6816         * stor-layout.c (finalize_type_size): Dont override
6817         existing alignment with a smaller alignment from the mode.
6818
6819 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6820
6821         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6822         * lambda.h (lambda_vector_lexico_pos): ... here.
6823         * tree-data-ref.c (build_classic_dist_vector): Return false when
6824         the distance vector is lexicographically negative.
6825
6826 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6827
6828         PR tree-optimization/23511
6829         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6830         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6831
6832 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6833
6834         PR tree-optimization/22043
6835         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6836         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6837         If ALLOW_FLEXARR, handle types ending with flexible array member.
6838         Pass false as second argument to recursive count_type_elements calls.
6839         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6840         argument to count_type_elements call.
6841         * tree-sra.c (decide_block_copy): Likewise.
6842         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6843         for a constant-sized object, set cleared as well.  Pass true as
6844         second argument to count_type_elements call.
6845
6846 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6847
6848         PR target/21571
6849         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6850         from legitimate_small_data_p, and make global.  Update use.
6851         Remove forward declaration.
6852         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6853         Declare.
6854         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6855
6856 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6857
6858         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6859         of scratch intermediates.
6860         (eq<mode>_compare): Same.
6861         (neg_eq0<mode>): New.
6862         (neg_eq<mode>): Convert to define_insn_and_split.
6863
6864 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6865
6866         PR target/23070
6867         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6868         stdarg functions, set/clear the fp marker even when no variable
6869         args are passed.
6870         * config/rs6000/sysv4.opt (mprototype): Describe.
6871
6872 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6873
6874         PR rtl-optimization/23478
6875         * regs.h (reg_info): Add throw_calls_crossed.
6876         (REG_N_THROWING_CALLS_CROSSED): Define.
6877         * flow.c (allocate_reg_life_data): Initialize
6878         REG_N_THROWING_CALLS_CROSSED.
6879         (propagate_one_insn, attempt_auto_inc): Update
6880         REG_N_THROWING_CALLS_CROSSED.
6881         * global.c (global_alloc): Don't allocate pseudos across
6882         calls that may throw.
6883
6884 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6885
6886         PR c/18715
6887         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6888         value is inbetween the range if we did not find an exact match.
6889
6890 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6891
6892         * doc/invoke.texi (Option Summary): Add ms1 options.
6893         * doc/extend.texi: Document interrupt handler attribute for ms1.
6894         * doc/md.texi: Document ms1 constraints.
6895         * config.gcc: Add ms1-*-elf.
6896         * config/ms1/ms1.h: New.
6897         * config/ms1/ms1.c: New.
6898         * config/ms1/ms1.md: New.
6899         * config/ms1/ms1-protos.h: New.
6900         * config/ms1/ABI.txt: New.
6901         * config/ms1/crti.asm: New.
6902         * config/ms1/crtn.asm: New.
6903         * config/ms1/lib2extra-funcs.c: New.
6904         * config/ms1/t-ms1: New.
6905         * config/ms1/ms1.opt: New.
6906
6907 2005-08-22 Ira Rosen <irar@il.ibm.com>
6908
6909         * config/rs6000/altivec.md (xorv4sf3): New.
6910         (negv4sf2, neg<mode>2): Likewise.
6911
6912 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6913
6914         PR target/23485
6915         * config/ia64/ia64.md (divsi3): Check divide by zero.
6916         (udivsi3): Likewise.
6917         (divdi3): Likewise.
6918         (udivdi3): Likewise.
6919
6920 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6921
6922         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6923         up to elem_bitsize bits, not max_bitsize.
6924
6925 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6926
6927         PR tree-optimization/23433
6928         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6929         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6930
6931 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6932
6933         PR tree-optimization/23434
6934         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6935         the iteration bound is not an INTEGER_CST.
6936
6937 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6938
6939         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6940         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6941         NULL if need_epilog_adjust is false.
6942         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6943         Case 3 always peels first itration, not just for PLUS case, and no need
6944         to use scalar_initial_def here. Create an epilog adjustment only if
6945         scalar_initial_def is not NULL.
6946
6947         (vectorizable_reduction): Remove assert.
6948
6949 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6950
6951         PR target/23485
6952         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6953         (__moddi3): Likewise.
6954         (__udivdi3): Likewise.
6955         (__umoddi3): Likewise.
6956         (__divsi3): Likewise.
6957         (__modsi3): Likewise.
6958         (__udivsi3): Likewise.
6959         (__umodsi3): Likewise.
6960
6961 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6962
6963         * tree-pass.h (TDF_GRAPH): Define.
6964         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6965         * passes.c (finish_optimization_passes): Only call
6966         finish_graph_dump_file if TDF_GRAPH is set.
6967         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6968         NULL.  Set TDF_GRAPH bit.
6969         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6970
6971 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6972
6973         * arm.h (arm_stack_offsets): Add locals_base field.
6974         * arm.c (arm_get_frame_offsets): Compute it.
6975         (thumb_compute_initial_elimination offset): Make the Thumb frame
6976         pointer point to the base of the local variables.
6977         (thumb_expand_prologue): Update accordingly.
6978         (thumb_expand_epilogue): Likewise.
6979
6980         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6981         mode of clobbered scratch to DImode.  Handle a case that's known to
6982         need this.
6983
6984 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6985
6986         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6987         (gt0<mode>_compare): Delete.
6988         (neg_gt0<mode>): Delete.
6989
6990 2005-08-19  Eric Christopher  <echristo@apple.com>
6991
6992         * optabs.h: Change CTI_ to COI_.
6993         * optabs.c: Ditto.
6994
6995 2005-08-19  James E Wilson  <wilson@specifix.com>
6996
6997         * builtins.c (expand_builtin_return_addr): Set
6998         current_function_accesses_prior_frames when count != 0.  Use
6999         frame_pointer_rtx when count == 0.
7000         * function.h (struct function): Add accesses_prior_frames field.
7001         (current_function_accesses_prior_frames): Define.
7002         * reload1.c (init_elim_table): Check
7003         current_function_accesses_prior_frames.
7004         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7005
7006 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7007
7008         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7009         indicator.  Return true if the flowgraph changed during
7010         cleanup.
7011
7012 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7013
7014         PR 23476
7015         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7016         conditional expression before testing its value.
7017
7018 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7019
7020         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7021
7022 2005-08-19  Devang Patel  <dpatel@apple.com>
7023
7024         PR tree-optimization/23048
7025         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7026         third parameter. Check whether latch is dominated by exit
7027         block or not.
7028         (if_convertible_loop_p): Supply exit block itself to
7029         if_convertible_bb_p.
7030
7031 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7032
7033         PR target/23473
7034         * arm.md (arm_load_pic_register): Change argument to the mask of
7035         saved registers.  Call thumb_find_work_register if we need a
7036         scratch register on Thumb.
7037         (arm_expand_prologue): Pass empty register set to
7038         arm_load_pic_register.
7039         (thumb_expand_prologue): Pass live_regs_mask directly to
7040         arm_load_pic_register.
7041         * arm-protos.h (arm_load_pic_register): Update prototype.
7042
7043 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7044
7045         * sh.c (find_sole_member): New function.
7046         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7047         if the record's alignment is larger than the size of its only member.
7048
7049 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7050
7051         PR target/23436
7052         * arm.c (thumb_legitimize_reload_address): New function.
7053         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7054         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7055
7056 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7057
7058         * config/crx/crx.c: Implement crx_decompose_address. Reject
7059         symbolic displacements since CRX register relative adressing
7060         mode can't handle unsigned 32-bit values as displacements.
7061         * config/crx/crx.h: Simplify definitions, remove redundant
7062         parenthesis and obsolete macros.
7063         * config/crx/crx.opt: Add new switch for debugging addresses.
7064         * config/crx/crx-protos.h: Add new declarations for above.
7065
7066 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7067
7068         PR middle-end/20624
7069         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7070         looking past it.
7071
7072 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7073
7074         * collect2.c (dup2): Delete.
7075         * configure.ac: Don't check for dup2.
7076
7077         * config.in, configure: Regenerate.
7078
7079 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7080
7081         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7082         record with the type of its only member.
7083
7084 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7085
7086         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7087         define_insn_and_split.
7088         (plus_ltu<mode>_compare): Same.
7089         (gtu<mode>_compare): Same.
7090         (plus_gtu<mode>_compare): Same.
7091
7092 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7093
7094         PR tree-optimization/22228
7095         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7096         todo_flags_start.
7097         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7098         are recorded in vect_vnames_to_rename for renaming.
7099         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7100         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7101         in vect_vnames_to_rename.
7102         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7103         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7104
7105 2005-08-18  Jan Hubicka  <jh@suse.cz>
7106
7107         PR c++/22034
7108         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7109         info only for local statics, not for member variables.
7110
7111 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7112
7113         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7114
7115 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7116
7117         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7118
7119 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7120
7121         PR middle-end/16045
7122         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7123
7124 2005-08-17  James E Wilson  <wilson@specifix.com>
7125
7126         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7127         array size check.
7128
7129 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7130
7131         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7132         (leu<mode>_compare): Same.
7133         (plus_leu<mode>): Same.
7134         (neg_leu<mode>): Same.
7135         (and_neg_leu<mode): Same.
7136         (ltu<mode>_compare): Same.
7137         (plus_ltu<mode>): Same.
7138         (geu<mode>): Same.
7139         (geu<mode>_compare): Same.
7140         (plus_geu<mode>): Same.
7141         (neg_geu<mode>): Same.
7142         (and_neg_geu<mode>): Same.
7143         (plus_gt<mode>): Same.
7144         (gtu<mode>_compare): Same.
7145         (plus_gtu<mode>): Same.
7146
7147 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7148
7149         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7150         Move call_table_data to end.  Delete spurious .text.
7151         (callt_save_all_interrupt): Fix comment typo.
7152
7153 2005-08-17  James E Wilson  <wilson@specifix.com>
7154             Kevin Winchester  <winchester@amirix.com>
7155
7156         PR target/21684
7157         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7158
7159 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7160
7161         PR target/23268
7162         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7163         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7164
7165 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7166
7167         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7168         record with the type of its only member if the modes don't match.
7169
7170         * varasm.c (decode_reg_name): Skip empty additional register names.
7171
7172 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7173
7174         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7175         lsm_tmp_name_length): New.
7176         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7177         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7178
7179 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7180             Andreas Krebbel  <krebbel1@de.ibm.com>
7181
7182         * config.gcc: Added z9-109 switch.
7183         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7184         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7185         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7186         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7187         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7188         for "z9_109" cpu attribute.
7189         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7190         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7191         (s390_handle_arch_option): Added z9-109 switch.
7192         (override_options): Set respective cost function for z9-109.
7193         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7194         (legitimate_reload_constant_p): Accept extended immediates.
7195         (print_operand): Three new output modifiers added: k, m and o.
7196         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7197         (s390_output_mi_thunk): Use extended immediate when possible.
7198         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7199         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7200         (CONSTRAINT_LEN): Added length of O constraint.
7201         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7202         * config/s390/s390.md ("cpu"): New value z9_109 added.
7203         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7204         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7205         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7206         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7207         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7208         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7209         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7210         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7211         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7212         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7213         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7214         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7215         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7216         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7217         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7218         immediates.
7219         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7220         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7221         insns for TARGET_EXTIMM.
7222
7223 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7224
7225         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7226
7227 2005-08-17  Nick Clifton  <nickc@redhat.com>
7228
7229         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7230         Call default_encode_section_info.
7231
7232 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7233
7234         PR tree-optimization/21574
7235         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7236         constant, return CONSTANT.
7237         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7238         (ccp_fold, visit_assignment): Likewise.
7239         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7240
7241 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7242
7243         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7244         fold_buildN instead of buildN then fold_initializer or fold.
7245         (build_unary_op): Likewise.
7246         (build_binary_op): Likewise.
7247         * fold-const.c (fold_initializer): Remove.
7248         (fold_build1_initializer): New function.
7249         (fold_build2_initializer): New function.
7250         (fold_build3_initializer): New function.
7251         * tree.h (fold_initializer): Remove.
7252         (fold_build1_initializer): New function.
7253         (fold_build2_initializer): New function.
7254         (fold_build3_initializer): New function.
7255
7256 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7257
7258         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7259         (try_move_mult_to_index): Call fold_build2 instead of build2.
7260         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7261         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7262         fold_binary_to_constant.
7263         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7264         fold (build.
7265         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7266         check if A == gcd (A, B).  Remove TYPE argument.
7267         (analyze_offset) Use fold_build2 instead of fold (build.
7268         (create_data_ref): Likewise.
7269         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7270         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7271         then fold.
7272
7273 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7274
7275         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7276         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7277
7278 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7279
7280         PR tree-opt/23402
7281         * gimplify.c (zero_sized_type): New function.
7282         (gimplify_modify_expr_rhs): If we have a zero sized type,
7283         replace the statement with an empty statement.
7284
7285 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7286
7287         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7288         fxsave.
7289
7290 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7291
7292         * doc/tm.texi (Label Output): Correct typo.
7293
7294 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7295
7296         PR target/23376
7297         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7298         force_operand will work later on using have_insn_for.
7299
7300 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7301
7302         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7303
7304 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7305
7306         PR c++/23337
7307         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7308         vector type, don't try to construct it element by element.  Add an
7309         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7310
7311 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7312
7313         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7314
7315 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7316
7317         * doc/invoke.texi (Precompiled Headers): Document some more options
7318         which are known to be safe.
7319
7320 2005-08-16  James E Wilson  <wilson@specifix.com>
7321
7322         PR tree-optimization/21105
7323         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7324         TREE_OVERFLOW check.
7325
7326 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7327
7328         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7329         (neg_ltu<mode>): Same.
7330         (gtu<mode>): Same.
7331         (neg_gtu<mode>): Same.
7332
7333 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7334
7335         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7336         (fold_builtin_isdigit): Use fold_buildN.
7337         (build_function_call_expr): Likewise.
7338         * c-typeck.c (c_finish_loop): Likewise.
7339
7340 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7341             Richard Shann <rshann@superh.com>
7342
7343         PR middle-end/20396:
7344         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7345
7346 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7347
7348         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7349
7350 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7351
7352         PR target/23355
7353         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7354         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7355         must be saved.
7356
7357 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7358
7359         PR middle-end/23369
7360         * fold-const.c (build_range_check): Disable optimization for function
7361         pointer expressions on targets that require function pointer
7362         canonicalization.
7363
7364 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7365
7366         * simplify-rtx.c (simplify_const_relational_operation): When
7367         extracting arguments of a COMPARE, recompute the mode as well.
7368
7369 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7370
7371         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7372
7373 2005-08-15  DJ Delorie  <dj@redhat.com>
7374
7375         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7376         the stack.
7377         (movsi_splittable): Allow, but split, moves to the stack.
7378         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7379         stack.
7380
7381 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7382
7383         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7384         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7385         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7386
7387         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7388         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7389         Delete HOST_PTR_PRINTF.
7390
7391         * configure, config.in: Regenerate.
7392
7393 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7394
7395         * config/rs6000/rs6000.md (QHSI): New mode macro.
7396         (wd): Extend mode attr for QImode and HImode
7397         (dbits): New mode attr.
7398         (zero_extend<mode>di2): Convert to mode macro.
7399
7400 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7401
7402         PR target/21841
7403         * doc/invoke.texi (-mgnu-ld): Update description.
7404         (-mhp-ld): Ditto.
7405
7406 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7407
7408         PR 23391
7409         * Makefile.in (tree-chrec.o): Depends on real.h.
7410         * tree-chrec.c: Include real.h.
7411         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7412         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7413         * tree-scalar-evolution.c (add_to_evolution_1,
7414         interpret_rhs_modify_expr): Ditto.
7415
7416 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7417
7418         PR 23386
7419         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7420         step is negative compute the estimation from init downwards to zero.
7421
7422 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7423
7424         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7425
7426 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7427
7428         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7429         constraint.
7430         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7431         Accept double-word constants that can be split.
7432         * config/s390/s390.md ("movti"): Use 'P' constraint.
7433         ("*movdi_31", "*movdf_31"): Likewise.
7434
7435 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7436
7437         Fix PR tree-optimization/22615
7438
7439         * tree-ssa-structalias.c (solution_set_add): Handle
7440         first_vi_for_offset returning NULL.
7441         (do_da_constraint): Ditto.
7442         (do_sd_constraint): Ditto.
7443         (do_ds_constraint): Ditto
7444         (find_func_aliases): Ditto.
7445         (build_constraint_graph): RHS is allowed be ANYTHING.
7446         (first_vi_for_offset): Return NULL if we couldn't find anything at
7447         the offset.
7448
7449 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7450
7451         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7452         over memory as first operand.
7453
7454 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7455
7456         PR target/23360
7457         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7458         available for setting it.
7459
7460 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7461
7462         PR tree-optimization/23320
7463         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7464         data-refs' types instead of base object nullness. Add check for
7465         pointer type data-refs before first location comparison. Remove
7466         assert.
7467
7468 2005-08-14  Andreas Schwab  <schwab@suse.de>
7469
7470         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7471
7472 2005-08-13  James E Wilson  <wilson@specifix.com>
7473
7474         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7475         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7476         -fstack-protector-all, --param ssp-buffer-size): Document.
7477         (-Wvariadic-macros): Alphabetize.
7478         (-fsched-stalled-insns-dep): Add missing 'f'.
7479
7480         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7481         macros.
7482
7483 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7484
7485         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7486         or indirect address operand.
7487         (EXTRA_ADDRESS_CONSTRAINT): New.
7488         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7489
7490 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7491
7492         PR tree-optimization/22236
7493         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7494         successors and predecessors.
7495         * tree-chrec.c (chrec_convert): Before converting, check that
7496         sequences don't wrap.
7497         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7498         (analyze_array): Extern.
7499         (find_data_references_in_loop): Remove call to
7500         compute_estimated_nb_iterations.
7501         * tree-data-ref.h (analyze_array): Declared.
7502         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7503         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7504         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7505         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7506         condition.
7507         * tree-ssa-loop-ivcanon.c: Fix documentation.
7508         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7509         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7510         (infer_loop_bounds_from_undefined): New.
7511         (estimate_numbers_of_iterations_loop): Use
7512         infer_loop_bounds_from_undefined.
7513         (used_in_pointer_arithmetic_p): New.
7514         (scev_probably_wraps_p): Pass an extra parameter.  Call
7515         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7516         (convert_step): Fix documentation.
7517         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7518         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7519         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7520         scev_probably_wraps_p.
7521
7522 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7523
7524         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7525         (s390_register_info): Ignore clobbered_regs information for fixed
7526         registers, and only fixed registers.
7527         (s390_init_frame_layout): Remove redundant call.
7528
7529 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7530
7531         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7532         description of -Wold-style-casts.
7533
7534 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7535             Jakub Jelinek  <jakub@redhat.com>
7536
7537         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7538         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7539         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7540         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7541         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7542         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7543         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7544         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7545         ("stack_protect_set", "stack_protect_test"): New expanders.
7546         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7547         "stack_protect_testdi"): New insn definitions.
7548
7549 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7550
7551         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7552
7553 2005-08-12  Paul Brook  <paul@codesourcery.com>
7554
7555         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7556
7557 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7558
7559         * config/s390/predicates.md (setmem_operand): New predicate.
7560         (shift_count_operand): Accept ANDs with special constants as
7561         operand.
7562         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7563         with special constants.
7564         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7565         shift_count_operand with setmem_operand.
7566
7567 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7568
7569         * config/s390/s390.c (s390_extract_part, s390_single_part):
7570         Type cast added.
7571         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7572         (s390_output_mi_thunk): Don't use lg on 31 bit.
7573         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7574         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7575
7576 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7577
7578         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7579         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7580         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7581         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7582         with one of the new macros.
7583
7584 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7585
7586         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7587         Don't set save_return_addr_p.
7588         (s390_register_info): Make clobbered_regs not depending on
7589         save_return_addr_p.
7590
7591 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7592
7593         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7594         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7595
7596 2005-08-11  James E. Wilson  <wilson@specifix.com>
7597
7598         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7599
7600 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7601
7602         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7603         locations gathered by var-tracking in single entry loc_list
7604         over loc_descriptor_from_tree.
7605
7606         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7607         pass it down to loc_descriptor.
7608         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7609         (containing_function_has_frame_base): Move earlier in the file.
7610         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7611         instead of always assuming fbreg can't be used.
7612
7613 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7614
7615         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7616         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7617         Accept address wrapped in AND for Altivec.
7618         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7619         Strip AND wrapping offset address for Altivec.
7620
7621 2005-08-11  Richard Henderson  <rth@redhat.com>
7622
7623         PR middle-end/23312
7624         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7625         before using TYPE_IS_SIZETYPE.
7626
7627 2005-08-11  Richard Henderson  <rth@redhat.com>
7628
7629         PR target/22225
7630         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7631         insn types not present on ev4.
7632         (alphaev5_insn_pipe): Similarly.
7633
7634 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7635
7636         PR target/23250
7637         * arm.c (arm_override_options): If the user has selected callee-super-
7638         interworking, then enable normal interworking.
7639
7640 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7641
7642         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7643         redefinition.
7644
7645 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7646
7647         * doc/rtl.texi: Fix two typos.
7648
7649 2005-08-11  Richard Guenther  <rguenther@suse.de>
7650
7651         PR target/23289
7652         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7653         cases where we call to/from functions returning void.
7654
7655 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7656
7657         PR c++/23225
7658         * tree.c (build_pointer_type_for_mode): Robustify.
7659
7660 2005-08-10  James E Wilson  <wilson@specifix.com>
7661
7662         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7663         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7664
7665         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7666         "cum->".
7667
7668 2005-08-10  Eric Christopher  <echristo@apple.com>
7669
7670         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7671         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7672         V2DFmode.
7673
7674 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7675
7676         PR target/21887
7677         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7678         for the high part when generating dynamic-no-pic code.
7679
7680 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7681
7682         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7683         (x86_64-*-linux*): Likewise.
7684
7685         * config/i386/crtfastmath.c: New file.
7686         * config/i386/t-crtfm: Likewise.
7687
7688         * config/i386/linux.h (ENDFILE_SPEC): New.
7689         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7690
7691         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7692         crtfastmath.o.
7693
7694 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7695
7696         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7697         (vec_shl, vec_shr): Document new operations.
7698         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7699
7700 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7701
7702         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7703         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7704         change predicate to indexed_or_indirect_address.
7705
7706 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7707
7708         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7709         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7710         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7711         and __aeabi_uwrite8.
7712         * config/arm/unaligned-funcs.c: New file.
7713         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7714
7715 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7716
7717         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7718         Add dump.
7719         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7720         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7721         Add dump.
7722         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7723         * final.c (pass_shorten_branches): Add dump.
7724         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7725         (pass_life): Rename dump.
7726         (rest_of_handle_flow2): Remove initial verify_flow_info.
7727         * function.c (pass_instantiate_virtual_regs): Add dump.
7728         * integrate.c (pass_initial_value_sets): Add dump.
7729         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7730         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7731         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7732         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7733         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7734         gate_rtl_unrool_and_peel_loops): New.
7735         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7736         rtl_doloop): Do not look at flags.
7737         * mode-switching.c (pass_mode_switching): Add dump.
7738         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7739         pass_split_before_regstack): Add dump.
7740         * regmove.c (pass_stack_adjustments): Add dump.
7741         * tree-optimize.c (pass_fixup_cfg): Add dump.
7742
7743 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7744
7745         PR 23309
7746         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7747         deciding which instruction sequence to use.
7748
7749 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7750
7751         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7752         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7753
7754 2005-08-09  Richard Guenther  <rguenther@suse.de>
7755
7756         * c-common.c (builtin_function_2): Remove.
7757         (def_builtin_1): New function.
7758         (c_common_nodes_and_builtins): Use def_builtin_1 to
7759         build builtin functions.
7760
7761 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7762
7763         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7764         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7765         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7766         Visual DSP.
7767
7768 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7769
7770         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7771         fold_binary instead of fold_build2 since we don't care about the
7772         resulting tree.
7773         (loop_niter_by_eval): Likewise.
7774         (compare_trees): Likewise.
7775         (proved_non_wrapping_p): Likewise.
7776
7777 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7778
7779         PR c/23161
7780         PR c/23165
7781         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7782         if the if is really empty.
7783
7784 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7785
7786         PR tree-optimization/23234
7787         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7788         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7789         argument of the new enum.
7790         (execute_cse_reciprocals): Add reciprocals for function arguments
7791         on the unique successor edge of the entry block.  Update other calls
7792         to execute_cse_reciprocals_1.
7793
7794 2005-08-08  Richard Henderson  <rth@redhat.com>
7795
7796         PR 22439
7797         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7798
7799 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7800
7801         * expr.c (write_complex_part): Return after handling MEM.
7802
7803 2005-08-08  Josh Conner  <jconner@apple.com>
7804
7805         PR rtl-optimization/23241
7806         * combine.c (simplify_comparison): Fix error in determining
7807         whether to lift a subreg from comparison.
7808
7809 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7810
7811         PR target/18506
7812         * config/rs6000/altivec.md (vec_init<mode>): New.
7813         (vec_set<mode>): New.
7814         (vec_extract<mode>): New.
7815         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7816         (rs6000_expand_vector_set): New.
7817         (rs6000_expand_vector_extract): New.
7818         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7819         for Altivec modes before reload.
7820         (altivec_expand_vec_init_builtin): New.
7821         (get_element_number): New.
7822         (altivec_expand_vec_set_builtin): New.
7823         (altivec_expand_vec_ext_builtin): New.
7824         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7825         builtins.
7826         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7827         builtins.
7828         * config/rs6000/rs6000.h (rs6000_builtins): Add
7829         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7830         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7831         * config/rs6000/rs6000-protos.h: Declare new functions.
7832
7833 2005-08-08  Jan Hubicka  <jh@suse.cz>
7834
7835         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7836         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7837         * i386.md (movdi*): Use pic_32bit_operand.
7838         * predicates.md (pic_32bit_operand): New.
7839
7840 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7841
7842         PR c++/21166
7843         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7844
7845 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7846
7847         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7848         (test_for_singularity): Use fold_build2.
7849
7850 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7851
7852         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7853
7854 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7855
7856         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7857         (COMMON_ASM_OP) Define.
7858         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7859         (ix86_encode_section_info): Likewise.
7860         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7861         SUBTARGET_ENCODE_SECTION_INFO.
7862
7863 2005-08-06  Richard Henderson  <rth@redhat.com>
7864
7865         PR 21894
7866         * tree-nested.c (convert_local_reference): Save and restore val_only
7867         around component_ref and friends.  Clear walk_subtrees by default.
7868
7869 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7870
7871         PR 21366
7872         * gcc.c (process_command): Check the argument to -b has a dash.
7873         * doc/invoke.texi: Update -b and -V docs.
7874
7875 2005-08-06  James E Wilson  <wilson@specifix.com>
7876
7877         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7878
7879 2005-08-06  Michael Matz  <matz@suse.de>
7880
7881         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7882         member only if only one insn is associated with the value.
7883
7884 2005-08-06  Nick Clifton  <nickc@redhat.com>
7885
7886         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7887         New define.
7888         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7889         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7890         Check symbol flags instead of symbol name mangling.
7891         (xstormy16_asm_output_aligned_common): Likewise.  Also
7892         simplify code since the bss100_section cass is the only case
7893         where the below100 code will be triggered.
7894         (xstormy16_encode_section_info): Encode below100 attribute
7895         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7896         the name.
7897         (xstormy16_strip_name_encoding): Delete - this function is no
7898         longer needed.
7899         (TARGET_STRIP_NAME_ENCODING): Undefine.
7900         * config/stormy16/stormy16-protos.h: Delete prototype for
7901         xstormy16_strip_name_encoding.
7902
7903 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7904
7905         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7906         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7907         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7908         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7909         config/alpha/predicates.md, config/arc/arc.h,
7910         config/arm/arm.h, config/arm/ieee754-df.S,
7911         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7912         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7913         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7914         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7915         config/m68hc11/m68hc11.h, config/mips/mips.c,
7916         config/mips/mips.h, config/mips/openbsd.h,
7917         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7918         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7919         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7920         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7921         config/sparc/linux.h, config/sparc/linux64.h,
7922         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7923         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7924         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7925         typos.  Follow spelling conventions.
7926
7927 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7928
7929         PR c/23113
7930         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7931         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7932         specially.  Check for side effects only for COND_EXPR.
7933         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7934         return with TREE_NO_WARNING.
7935
7936 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7937
7938         PR rtl-optimization/23233
7939         * loop.c (combine_movables): Require the modes to be the same.
7940         (move_movables): Remove handling of cases where the replacement
7941         had a different mode to the original.
7942
7943 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7944
7945         PR tree-optimization/23128
7946         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7947         subtraction wrap, and set TREE_OVERFLOW if they do.
7948
7949 2005-08-05  Richard Henderson  <rth@redhat.com>
7950
7951         PR 21728
7952         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7953         FORCED_LABEL labels.
7954
7955 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7956
7957         PR middle-end/23135
7958         * reload.c (find_reloads_subreg_address): Pass down TYPE
7959         unchanged.  Change all callers except find_reloads_toplev.
7960
7961 2005-08-05  Michael Matz  <matz@suse.de>
7962
7963         * genattrtab.c (current_alternative_string): Remove.
7964         (SIMPLIFY_ALTERNATIVE): Ditto.
7965         (attr_alt_bit_p): Ditto.
7966         (alternative_name): Make const char *.
7967         (evaluate_eq_attr): Remove use of above things.
7968         (simplify_test_exp): Ditto.
7969         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7970         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7971
7972 2005-08-04  James E Wilson  <wilson@specifix.com>
7973
7974         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7975         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7976         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7977         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7978         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7979
7980 2005-08-04  Richard Henderson  <rth@redhat.com>
7981
7982         PR 21529
7983         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7984         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7985         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7986         if we'd have to instantiate too many members.
7987
7988 2005-08-04  Richard Henderson  <rth@redhat.com>
7989
7990         PR 21291
7991         * tree-outof-ssa.c (coalesce_asm_operands): New.
7992         (coalesce_ssa_name): Use it.  Split out ...
7993         (coalesce_phi_operands, coalesce_result_decls): ... these.
7994
7995 2005-08-04  Paul Brook  <paul@codesourcery.com>
7996
7997         * read-rtl.c (read_quoted_string): Break if EOF.
7998
7999 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8000
8001         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8002         (fold_build2): Likewise.
8003         (fold_build3): Likewise.
8004         (fold_build1_stat): New function prototype.
8005         (fold_build2_stat): Likewise.
8006         (fold_build3_stat): Likewise.
8007         * fold-const.c (fold_build1): Rename to ..
8008         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8009         through to build1_stat.
8010         (fold_build2): Rename to ..
8011         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8012         through to build2_stat.
8013         (fold_build3): Rename to ..
8014         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8015         through to build3_stat.
8016
8017 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8018             Ian Lance Taylor  <ian@airs.com>
8019
8020         * function.c (assign_stack_local_1): Do not correct stack slot
8021         address if allocation size is smaller than mode size.
8022
8023 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8024
8025         PR 22037
8026         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8027         (tree_merge_blocks): Propagate anything allowed by
8028         may_propagate_copy.
8029         Clarify documentation.
8030         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8031         SSA form, schedule an update if necessary.
8032
8033 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8034
8035         * doc/install.texi (Binaries): Remove broken link to
8036         Sinix/Reliant Unix binaries.
8037
8038 2005-08-03  Richard Henderson  <rth@redhat.com>
8039
8040         PR 23221
8041         * function.c (stack_protect_epilogue): Export.
8042         * tree.h (stack_protect_epilogue): Declare.
8043         * calls.c (expand_call): Call it.
8044
8045 2005-08-03  Eric Christopher  <echristo@apple.com>
8046
8047         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8048         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8049         spec.
8050
8051 2005-08-04  Jan Hubicka  <jh@suse.cz>
8052
8053         * profile.c (branch_prob): Split edges with goto locus on them
8054         to get proper line counts.
8055         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8056
8057 2005-08-03  Paul Brook  <paul@codesourcery.com>
8058
8059         * function.c (assign_parms): Round current_function_args_size
8060         to PARM_BOUNDARY, not STACK_BOUNDARY.
8061
8062 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8063
8064         * config/i386/i386.c (x86_elf_aligned_common)
8065         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8066
8067 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8068
8069         PR tree-optimization/23157
8070         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8071         before emitting them.
8072
8073 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8074
8075         PR tree-optimization/19899
8076         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8077         * tree-scalar-evolution.c: Include real.h.
8078         (add_to_evolution): Build constant -1 of correct type.
8079
8080 2005-08-03  Jan Hubicka  <jh@suse.cz>
8081
8082         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8083         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8084         profile updating for complette unrolling.
8085         * loop-unroll.c (peel_loop_completely): Use it.
8086         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8087         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8088         loops.
8089
8090 2005-08-03  Paul Brook  <paul@codesourcery.com>
8091
8092         * combine.c (can_change_dest_mode): New function.
8093         (try_combine, simplify_set): Use it.
8094
8095 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8096
8097         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8098         TFmode to BLKmode.
8099
8100 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8101
8102         * doc/install.texi (Specific): Adjust link to openavr.org.
8103         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8104         (Binaries): Adjust HP-UX Porting Center link.
8105         (Binaries): Adjust Free Software Foundation ordering link.
8106
8107 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8108
8109         * convert.c (convert_to_integer): Use fold_build1 instead of
8110         build1 when converting an integer to an integer.
8111
8112 2005-08-02  Richard Henderson  <rth@redhat.com>
8113
8114         * combine.c (combine_instructions): Don't use reg_equal/equiv
8115         results if the mode doesn't match.
8116
8117 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8118
8119         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8120         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8121
8122 2005-08-02  Richard Henderson  <rth@redhat.com>
8123
8124         PR 23196
8125         * explow.c (memory_address): Remove special-case for
8126         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8127
8128 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8129
8130         PR 23164
8131         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8132         number of calls to cleanup_tree_cfg_1.
8133
8134 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8135
8136         * doc/invoke.texi: document file extensions .F90 and .F95
8137
8138 2005-08-02  Richard Guenther  <rguenther@suse.de>
8139
8140         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8141         positive if its first argument is positive.
8142
8143 2005-08-02  Richard Guenther  <rguenther@suse.de>
8144
8145         PR tree-optimization/23177
8146         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8147         on TMR_TAG.
8148
8149 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8150
8151         PR tree-optimization/23129
8152         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8153         varying for divisions with anti-ranges.
8154
8155 2005-08-02  Jan Hubicka  <jh@suse.cz>
8156
8157         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8158         * tree-ssa-threadupdate.c (thread_block): Add it here.
8159
8160 2005-08-01  James E Wilson  <wilson@specifix.com>
8161
8162         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8163         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8164         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8165         New.
8166         * config/mips/predicates.md (const_call_insn_operand): Add check for
8167         SYMBOL_REF_LONG_CALL_P.
8168         * doc/extend.texi (long_call): Document the new attribute.
8169
8170 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8171             Richard Henderson  <rth@redhat.com>
8172
8173         * Makefile.in (RTL_BASE_H): Add real.h.
8174         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8175         instead of memcpy.
8176         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8177         directly.
8178         * rtl.c (rtl_check_failed_code_mode): New.
8179         * rtl.h (struct rtx_def): Add u.rv.
8180         (XCMWINT, XCNMPRV): New.
8181         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8182         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8183
8184 2005-08-01  Richard Henderson  <rth@redhat.com>
8185
8186         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8187         with auto-inc codes.
8188
8189         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8190
8191 2005-08-01  Jan Hubicka  <jh@suse.cz>
8192
8193         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8194         * i386.c: Include dwarf2.h
8195         (asm_preferred_eh_data_format): New.
8196         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8197
8198 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8199
8200         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8201         randomize_va_space for virtual address randomization control.
8202
8203 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8204
8205         * common.opt (flag_ipa_cp): Put in right place to maintain
8206         alphabetic sort.
8207
8208 2005-08-01  Jan Hubicka  <jh@suse.cz>
8209
8210         * profile.c (compute_value_histograms): Fix thinko.
8211         * value-prof.c: Include toplev.h
8212         (check_counter): New function.
8213         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8214         tree_mod_subtract_transform): Add sanity check.
8215
8216 2005-08-01  Richard Guenther  <rguenther@suse.de>
8217
8218         PR tree-optimization/23133
8219         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8220         current functions parameter decls to find defs to cse
8221         reciprocals of.
8222
8223 2005-08-01  Richard Guenther  <rguenther@suse.de>
8224
8225         PR tree-optimization/23109
8226         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8227         If trapping math is in effect, use post-dominator information
8228         to check if we'd in any case reach a trapping point before
8229         doing the reciprocal insertion.
8230         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8231         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8232         expressions are invariant only if trapping math is not in effect.
8233
8234 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8235
8236         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8237         cgraph_function_versioning): New declarations.
8238         * cgraphunit.c: Add include to ipa-prop.h.
8239         (update_call_expr, cgraph_copy_node_for_versioning,
8240         cgraph_function_versioning): New functions.
8241         * integrate.c (copy_decl_for_inlining): Remove.
8242         * ipa-prop.h (ipa_replace_map): New struct.
8243         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8244         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8245         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8246         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8247         ipcp_iterate_stage, ipcp_method_scale_print,
8248         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8249         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8250         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8251         ipcp_update_bb_counts, ipcp_update_profiling,
8252         ipcp_update_edges_counts): New functions.
8253         (ipcp_method_cval_init): Remove restriction regarding local methods.
8254         (ipcp_init_stage): Add ipcp_method_compute_scale.
8255         (ipcp_insert_stage): Add versioning.
8256         (ipcp_structures_print): Add ipcp_method_scale_print.
8257         (ipcp_driver): Dump profiling info.
8258         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8259         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8260         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8261         (struct inline_data): Add versioning_p, ipa_info, new fields.
8262         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8263         declare_return_variable): Replace calls to copy_decl_for_inlining with
8264         copy_decl_for_dup.
8265         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8266         versioning support.
8267         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8268         Add argument VERSIONING.
8269         (copy_arguments_for_versioning, copy_static_chain,
8270         function_versionable_p, tree_versionable_function_p,
8271         tree_function_versioning, replace_ref_tree): New functions.
8272         * tree-inline.h: Include varray.h.
8273         (tree_versionable_function_p,  tree_function_versioning,
8274         tree copy_decl_for_dup): New declarations.
8275
8276 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8277
8278         * ipa-cp.c: New file. Contains IPCP specific functionality.
8279         * ipa-prop.h: New file. Contains structures/definitions that can be
8280         used by several interprocedural data flow optimizations (and also IPCP).
8281         * ipa-prop.c: New file.
8282         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8283         * common.opt: Add ipa-cp flag.
8284         * timevar.def: Add IPCP optimization.
8285         * tree-optimize.c (init_tree_optimization_passes): Schedule
8286         pass_ipa_cp.
8287         * tree-pass.h (pass_ipa_cp): Declare.
8288
8289 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8290
8291         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8292         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8293         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8294         config/i386/i386.c, config/mips/mips.h,
8295         config/rs6000/rs6000.h, config/sh/sh.c,
8296         config/stormy16/stormy16.c: Fix comment typos.
8297
8298 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8299
8300         PR c/22311
8301         * c-typeck.c (build_binary_op): Use common_type wrapper on
8302         shortened types.
8303         (common_type): Update comment.
8304
8305 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8306
8307         PR target/23095
8308         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8309         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8310         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8311
8312 2005-07-31  Jan Hubicka  <jh@suse.cz>
8313
8314         * pretty-print.h (pp_widest_integer): New macro.
8315         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8316         counts.
8317
8318 2005-07-31  Jan Hubicka  <jh@suse.cz>
8319
8320         * output.h (enum section_category): Export from varasm.c
8321         (categorize_decl_for_section): Likewise.
8322         * varasm.c (enum section_category): Kill.
8323         (categorize_decl_for_section): Make global.
8324         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8325         Declare.
8326         * i386.c (ix86_section_threshold): New static variable.
8327         (ix86_in_large_data_p, ix86_encode_section_info,
8328         x86_64_elf_unique_section,
8329         x86_64_elf_select_section): New functions.
8330         (TARGET_ENCODE_SECTION_INFO): Define
8331         (override_options): Enable medium model for PIC.
8332         (ix86_expand_prologue): Expand gen_set_got_rex64.
8333         (legitimate_constant_p): Handle new UNSPECs.
8334         (legitimate_pic_address_disp_p): Likewise.
8335         (legitimize_pic_address): Lower MEDIUM model addressing.
8336         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8337         (enum cmodel): Add MEDIUM_PIC.
8338         (SYMBOL_REF_FAR_ADDR_P): New macro.
8339         (SYMBOL_FLAG_FAR_ADDR): New flag.
8340         * i386.md (movdi): Support medium model.
8341         (set_got_rex64): New pattern.
8342         * i386.opt (mlarge-data-threshold): New flag.
8343         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8344         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8345         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8346         TARGET_ASM_UNIQUE_SECTION): New.
8347
8348         * invoke.texi (-mlarge_data_threshold): Document
8349
8350 2005-07-31  Jan Hubicka  <jh@suse.cz>
8351
8352         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8353         (coalesce_vars): Likewise.
8354         * tree-ssa-live.c (coalesce_cost): New.
8355         (build_tree_conflict_graph): Use coalesce_cost.
8356         * tree-ssa-live.h (coalesce_cost): Declare.
8357
8358 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8359
8360         * arm.md (all peepholes for post-increment operations): Delete.
8361         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8362         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8363         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8364         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8365         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8366
8367 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8368
8369         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8370         non-integral types.
8371
8372 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8373
8374         PR target/22582
8375         * doc/invoke.texi: Document -rdynamic.
8376
8377 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8378
8379         PR c/23143
8380         * c-parser.c (c_parser_parms_list_declarator): Call
8381         mark_forward_parm_decls.
8382         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8383         decls with visibility structure.
8384
8385 2005-07-30  Paul Brook  <paul@codesourcery.com>
8386
8387         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8388
8389 2005-07-30  Paul Brook  <paul@codesourcery.com>
8390
8391         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8392         prototype.
8393         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8394         value for mode.
8395         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8396
8397 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8398
8399         PR c/529
8400         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8401         nested function declarators.
8402         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8403         (grokparms): Call warn_if_shadowing for parameters used within the
8404         parameter list.
8405         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8406         not used within the parameter list.
8407         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8408
8409 2005-07-30  Jan Hubicka  <jh@suse.cz>
8410
8411         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8412         * i386.c (ix86_fixup_binary_operands): Likewise.
8413         (ix86_expand_unary_operator): Likewise.
8414         (ix86_expand_fp_absneg_operator): Likewise.
8415         * optabs.c (expand_vec_cond_expr): Validate dest.
8416
8417 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8418
8419         PR c/21720
8420         * real.c (real_from_string): Also set last bit if there is a
8421         nonzero hex digit beyond GCC's internal precision after ".".
8422
8423 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8424
8425         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8426         define_constants.  Change duplicate values to unassigned numbers.
8427         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8428         (*altivec_vspltsf): New.
8429         (altivec_vperm_v4sf): Delete.
8430         (altivec_vperm_<mode>): Use mode macro V.
8431         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8432         (altivec_predicate_v4sf): Delete.
8433         (altivec_predicate_<mode>): Use mode macro V.
8434         (*altivec_lvesfx): New.
8435         (*altivec_stvesfx): New.
8436         (vec_realign_load_v4sf): Delete.
8437         (vec_realign_load_<mode>): Use mode macro V.
8438         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8439         UNSPECV_SET_VRSAVE.
8440
8441 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8442
8443         PR bootstrap/23131
8444         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8445         string.
8446         * configure: Regenerated.
8447
8448 2005-07-29  Paul Brook  <paul@codesourcery.com>
8449
8450         * doc/install.texi: Add link to GFortran binaries wiki page.
8451
8452 2005-07-29  David Ung  <davidu@mips.com>
8453
8454         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8455         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8456         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8457         * config/mips/mips.md (cpu): Add 5kf name.
8458         (includes): Includes 5k.md.
8459         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8460         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8461         -march flag.
8462
8463 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8464
8465         PR 22550
8466         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8467         (cleanup_tree_cfg): ... here.
8468         Call cleanup_tree_cfg_1 until there are no more cleanups to
8469         do.
8470
8471 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8472
8473         * tree-vrp.c (compare_range_with_value): Return true or false
8474         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8475         EQ_EXPR respectively.
8476
8477 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8478
8479         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8480         Fix comment typos.
8481
8482 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8483
8484         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8485         (tree_ssa_dominator_optimize): Increment it.
8486         (dump_dominator_optimization_stats): Print it.
8487
8488 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8489             Steven Bosscher  <stevenb@suse.de>
8490
8491         PR rtl-optimization/23117
8492         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8493         when head == tail.  Tidy comment.
8494
8495 2005-07-28  Richard Henderson  <rth@redhat.com>
8496
8497         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8498         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8499         * jump.c (rtx_renumbered_equal_p): Likewise.
8500         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8501         CONST_INT and CONST_DOUBLE.
8502         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8503         * reload.c (operands_match_p): Special case CONST_INT and
8504         CONST_DOUBLE; check mode earlier.
8505
8506 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8507
8508         PR c/22240
8509         * c-typeck.c (convert_for_assignment): Do not check
8510         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8511
8512 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8513
8514         PR c/22192
8515         * c-typeck.c (composite_type): Prefer constant size arrays to
8516         VLAs.
8517
8518 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8519
8520         PR c/21720
8521         * real.c (real_from_string): Set last bit if there is a nonzero
8522         hex digit beyond GCC's internal precision.
8523
8524 2005-07-28  Richard Henderson  <rth@redhat.com>
8525
8526         PR rtl-opt/22619
8527         * cfgcleanup.c (try_forward_edges): Watch out for end of
8528         insn chain.
8529
8530 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8531
8532         PR c/23106
8533         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8534
8535 2005-07-28  Jan Hubicka  <jh@suse.cz>
8536
8537         * Makefile.in (rtl-profile.o): Kill all traces of it.
8538         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8539         * coverage.h (rtl_coverage_counter_ref): Kill.
8540         * opts.c (flag_speculative_prefetching_set): Kill.
8541         (flag_loop_optimize_set): New.
8542         (common_handle_option): Disable loop optimizer when profiling;
8543         do not handle speculative prefetching.
8544         * passes.c (init_optimization_passes): Replace pass_profiling combo
8545         by branch_prob pass.
8546         * profile.c (compute_value_histograms): Update for simplified value
8547         profiles.
8548         (rtl_register_profile_hooks): Kill.
8549         (pass_profiling): Kill.
8550         (rest_of_handle_branch_prob): Do not profile.
8551         * toplev.c (process_options): Remove speculative prefetching.
8552         * toplev.h (flag_tree_based_profiling): Kill.
8553         * tree-profile.c (prepare_instrumented_value,
8554         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8555         tree_gen_one_value_profiler, do_tree_profiling): Update for
8556         simplified datastructures.
8557         * value-prof.c: Add comment that speculative prefetching was dropped;
8558         update rest of file for simplified datastructures.
8559         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8560         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8561         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8562         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8563         rtl_mod_subtract, gen_speculative_prefetch,
8564         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8565         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8566         (gate_handle_value_profile_transformations,
8567         rest_of_handle_value_profile_transformations,
8568         pass_value_profile_transformations): Kill.
8569         * value-prof.h (histogram_value_t): Remove IL based unions.
8570         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8571         rtl_profile_hooks): Remove hooks.
8572
8573         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8574
8575         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8576         (cgraph_clone_node): Likewise.
8577         * cgraph.h (cgraph_clone_edge): Update prototype.
8578         (cgraph_clone_node): Likewise.
8579         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8580         cgraph_clone_node.
8581         (lookup_recursive_calls): Consider profile.
8582         (cgraph_decide_recursive_inlining): Fix updating; use new
8583         probability argument; use profile.
8584         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8585         * tree-inline.c (copy_bb): Update clal of clone_edge.
8586         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8587
8588         * invoke.texi (min-inline-recursive-probability): Document.
8589
8590 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8591
8592         * doc/install.texi (Configuration): Update Valgrind homepage.
8593
8594 2005-07-28  Richard Henderson  <rth@redhat.com>
8595
8596         PR middle-end/21362
8597         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8598         labels we want to delete.
8599         (cfg_layout_merge_blocks): Likewise.
8600
8601 2005-07-28  Richard Henderson  <rth@redhat.com>
8602
8603         PR target/17692
8604         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8605         when expanding to nothing.
8606
8607 2005-07-28  Josh Conner  <jconner@apple.com>
8608
8609         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8610         (cgraph_decide_inlining_of_small_functions): Likewise.
8611
8612 2005-07-28  Josh Conner  <jconner@apple.com>
8613
8614         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8615         direction of badness if negative.
8616         (cgraph_default_inline_p): Add reason to parameters, and assign it
8617         a value.
8618         (cgraph_decide_inlining_of_small_functions): New parameter in call
8619         to cgraph_default_inline_p.
8620         (cgraph_decide_inlining_incrementally): Likewise.
8621         * cgraphunit.c (decide_is_function_needed): Likewise.
8622         * cgraph.h (cgraph_default_inline_p): Likewise.
8623
8624 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8625
8626         * builtins.c: Fix comment typo(s).
8627         * genautomata.c: Likewise.
8628         * gimplify.c: Likewise.
8629         * tree-dfa.c: Likewise.
8630         * tree-flow-inline.h: Likewise.
8631         * tree-into-ssa.c: Likewise.
8632         * tree-ssa-alias.c: Likewise.
8633         * tree-ssa-ccp.c: Likewise.
8634         * tree-ssa-copy.c: Likewise.
8635         * tree-ssa-dce.c: Likewise.
8636         * tree-ssa-dom.c: Likewise.
8637         * tree-ssa-operands.c: Likewise.
8638         * tree-tailcall.c: Likewise.
8639         * tree-vectorizer.c: Likewise.
8640         * tree-vrp.c: Likewise.
8641         * tree.c: Likewise.
8642
8643 2005-07-28  Jeff Law  <law@redhat.com>
8644
8645         * tree-vrp.c (test_for_singularity): Extracted from  ...
8646         (simplify_cond_using_ranges): Attempt to simplify a relational
8647         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8648
8649 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8650
8651         PR tree-optimization/22506
8652         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8653         phis whose argument is constant.
8654
8655 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8656
8657         PR rtl-optimization/18992
8658         Back out this patch:
8659           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8660           PR optimization/12142
8661           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8662           uses of the register in the SET_SRC.  Remove unnecessary argument.
8663
8664         Replace it with this:
8665         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8666         if flag_non_call_exceptions is set and the insn may trap, pass
8667         pc_rtx as dest for recursion.
8668         In SET_SRC part of SET case, if dest is already set, pass it down
8669         unchanged.
8670
8671 2005-07-28  Jan Hubicka  <jh@suse.cz>
8672
8673         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8674         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8675         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8676         roundoff errors.
8677         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8678         profile when available.
8679
8680 2005-07-28  Jan Beulich <jbeulich@novell.com>
8681
8682         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8683         (ia64_print_operand): Describe and handle 'X'.
8684         (ia64_register_move_cost): Also handle FP_REGS.
8685         (ia64_preferred_reload_class): Likewise.
8686         (ia64_secondary_reload_class): Likewise.
8687         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8688         it. Also check for ITANIUM_CLASS_FLDP.
8689         * config/ia64/ia64.h (FP_REGNO_P): New.
8690         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8691         (reg_class): Add FP_REGS.
8692         (REG_CLASS_NAMES): Adjust for it.
8693         (REG_CLASS_CONTENTS): Likewise.
8694         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8695         (REG_CLASS_FROM_LETTER): Handle 'x'.
8696         (CLASS_MAX_NREGS): Handle FP_REGS.
8697         (MEMORY_MOVE_COST): Likewise.
8698         * config/ia64/ia64.md (itanium_class): Add fldp.
8699         (type): Handle fldp.
8700         (movti_internal): More allowable operand combinations. Use ldfp8 when
8701         splitting unnecessary. Remove predicable attribute. Adjust
8702         itanium_class attribute.
8703         (smuldi3_highpart): Remove outdated comment.
8704         (mulditi3, umulditi3, rotlti3): New expanders.
8705         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8706         (absti2): Disabled new insn for future reference.
8707         Respective new splitters.
8708         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8709         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8710         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8711
8712 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8713
8714         PR rtl-optimization/23047
8715         * simplify-rtx.c (simplify_const_relational_operation): Respect
8716         flag_wrapv for comparisons with ABS.
8717
8718 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8719
8720         PR tree-optimization/22493
8721         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8722         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8723
8724 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8725
8726         * config/frv/frv.opt (moptimize-membar): New.
8727
8728         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8729
8730         * config/frv/frv.h: Remove machine_function definition.
8731
8732         * config/frv/frv.c (struct frv_io): New.
8733         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8734         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8735         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8736         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8737         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8738         (frv_reorg): Call frv_optimize_membar when appropriate.
8739         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8740         (frv_expand_builtin): Adjust calls accordingly.
8741         (frv_io_address_cookie): New function.
8742         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8743         load or store rather than a special insn.  Add ccnstant address and
8744         io-type operands to the membar.
8745         (frv_ifcvt_modify_tests): Unsign regno.
8746         (frv_ifcvt_modify_tests): Same.
8747
8748         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8749         UNSPEC_OPTIONAL_MEMBAR constant.
8750         (builtin_read_<mode>): Delete.
8751         (builtin_write_<mode>): Delete.
8752         ("optional_membar_<mode>"): Add operand.
8753
8754         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8755         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8756         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8757         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8758         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8759         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8760         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8761         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8762         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8763
8764 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8765
8766         * df.c (df_uses_record): Handle SCRATCH.
8767
8768 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8769
8770         PR debug/20161
8771         * passes.c (rest_of_decl_compilation): If decl is a type and
8772         we have encountered errors, don't emit debug information.
8773
8774 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8775
8776         * params.def: Fixed comment.
8777
8778 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8779
8780         PR target/19885
8781         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8782         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8783         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8784
8785 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8786
8787         PR c++/22003
8788         * varasm.c (assemble_start_function): Don't do anything that may
8789         require a CFG if the current function is a thunk.
8790
8791 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8792
8793         * doc/install.texi (Prerequisites): Mention that perl is needed
8794         to do export control in libstdc++ targetting Darwin.
8795
8796 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8797
8798         PR rtl-optimization/17808
8799         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8800         (sched_insns_conditions_mutex_p): Split out from...
8801         (add_dependence): ...here.  But don't call it from here.
8802         (add_dependence_list): Check sched_insns_conditions_mutex_p
8803         before calling add_dependence.
8804         (add_dependence_list_and_free): Likewise.
8805         (fixup_sched_groups): Likewise.
8806         (sched_analyze_1): Likewise.
8807         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8808         (sched_analyze): Likewise.
8809         (sched_analyze_insn): Likewise.
8810         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8811         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8812         dependencies on all COND_EXEC insns to jumps ending basic blocks
8813         when doing intrablock scheduling.
8814         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8815
8816 2005-07-27  Jeff Law  <law@redhat.com>
8817
8818         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8819         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8820         equivalency sets, correctly handle the case were vr0 has an
8821         equivalency set, but vr1 does not.
8822
8823 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8824
8825         PR tree-optimization/23073
8826         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8827         vect_print_dump_info before fprintf.
8828
8829 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8830
8831         PR tree-optimize/22348
8832         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8833         Fold the partial computation.
8834
8835 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8836
8837         PR tree-optimization/22325
8838         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8839         Declare.
8840         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8841         value replacement.
8842         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8843         (force_var_cost): ... this function.
8844         (compute_phi_arg_on_exit): Export.
8845
8846 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8847
8848         PR tree-optimization/20773
8849         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8850         edge.
8851
8852 2005-07-27  Richard Guenther  <rguenther@suse.de>
8853
8854         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8855         Avoid pushing again if current struct contains only
8856         fields we decomposed.
8857
8858 2005-07-27  Jan Hubicka  <jh@suse.cz>
8859
8860         PR tree-optimization/22574
8861         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8862         not available.
8863
8864         * tree-tailcall.c (decrease_profile): New function.
8865         (eliminate_tail_call): Use it.
8866
8867         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8868         visibility flags correctly in whole program mode.
8869
8870 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8871
8872         PR rtl-optimization/22472
8873         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8874
8875 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8876
8877         PR tree-optimization/22504
8878         * tree-complex.c (expand_complex_addition): Use 'code' instead
8879         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8880
8881 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8882
8883         * config.gcc (cpu_type): Add frv case.
8884         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8885         (supported_defaults): Add fr550 case.
8886
8887 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8888
8889         PR 22591
8890         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8891         whether a pointer of type T * may point to objects of type T *.
8892
8893 2005-07-26  DJ Delorie  <dj@redhat.com>
8894
8895         * configure: Regenerate.
8896
8897 2005-07-26  Dale Johannesen  <dalej@apple.com>
8898
8899         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8900
8901 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8902
8903         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8904         Clarify use of "build" in name.
8905
8906 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8907
8908         * doc/extend.texi (Raw read/write Functions): New section.
8909         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8910         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8911         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8912         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8913         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8914         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8915         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8916         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8917         * config/frv/frv.c: Add bdesc_loads global.
8918         Add bdesc_stores global.
8919         (frv_init_builtins): Add support for __builtin_{read/write}*.
8920         (frv_volatile_memref): New.
8921         (frv_expand_load_builtin): New.
8922         (frv_expand_store_builtin): New.
8923         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8924         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8925         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8926         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8927         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8928         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8929         (builtin_read_<mode>): New.
8930         (builtin_write_<mode>): New.
8931         (builtin_write64): New.
8932         (optional_membar_<mode>): New.
8933
8934 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8935
8936         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8937         (rather than units) against HOST_BITS_PER_WIDE_INT.
8938
8939 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8940
8941         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8942         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8943         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8944         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8945         FSF address.
8946
8947         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8948         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8949         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8950         comment typos.
8951         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8952
8953 2005-07-26  Richard Guenther  <rguenther@suse.de>
8954
8955         PR tree-optimization/22486
8956         * fold-const.c (fold_unary): Fold away useless component
8957         references of the form (T *)&T.x, if the address
8958         doesn't change.
8959
8960 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8961
8962         * dwarf2out.c (add_call_src_coords_attributes): New.
8963         (gen_inlined_subroutine_die): Call it.
8964         (maybe_emit_file, init_file_table): Add comments.
8965         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8966         maybe_emit_file.
8967         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8968         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8969         * tree.h (BLOCK_SOURCE_LOCATION): New.
8970         (struct tree_block): New field locus.
8971
8972 2005-07-26  Andreas Schwab  <schwab@suse.de>
8973
8974         PR rtl-optimization/23043
8975         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8976         when allocating a struct unoccr.
8977
8978 2005-07-25  Richard Henderson  <rth@redhat.com>
8979
8980         PR 22626
8981         * tree-complex.c (gate_no_optimization): True if errors.
8982         * Makefile.in (tree-complex.o): Update dependencies.
8983
8984 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8985
8986         * config/frv/predicates.md (integer_register_operand): Use
8987         GPR_AP_OR_PSEUDO_P.
8988
8989 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8990
8991         PR tree-opt/22484
8992         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8993         after fold.
8994         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8995
8996 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8997
8998         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8999         types when flag_unsafe_math_optimizations is true.
9000
9001 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9002
9003         * gcc.c (option_map): Add --sysroot.
9004         (process_command): Handle --sysroot.
9005         (display_help): Document it.
9006         * doc/cppopts.tex (-isysroot): Document.
9007         * doc/invoke.texi (--sysroot): Document.
9008         * doc/install.texi (--with-build-sysroot): Document.
9009
9010         * Makefile.in (inhibit_libc): New variable.
9011         (INHIBIT_LIBC_CFLAGS): Likewise.
9012         (LIBGCC2_CFLAGS): Include
9013         $(INHIBIT_LIBC_CFLAGS).
9014         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9015         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9016         ($(T)crtend.o): Likewise.
9017         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9018         ($(T)crtendS.o): Likewise.
9019         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9020         ($(T)crtendT.o): Likewise.
9021         (stmp-fixinc): Do not complain about missing headers if
9022         inhibit_libc.
9023         * configure.ac (inhibit_libc): Set it to true/false.
9024         (--with-build-sysroot): New option.  Use it to set
9025         SYSTEM_HEADER_DIR.
9026         * configure: Regenerated.
9027
9028 2005-07-25  Manfred Hollstein  <mh@suse.com>
9029
9030         * calls.c (store_one_arg): Fix unsigned comparison warning.
9031
9032 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9033
9034         PR other/22337
9035         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9036         (ggc_print_statistics): Initialize variable before use.
9037
9038 2005-07-25  Richard Guenther  <rguenther@suse.de>
9039
9040         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9041         calling with a PHI_NODE argument.
9042
9043         * tree-flow-inline.h (overlap_subvar): Protect against
9044         possible overflow.
9045
9046 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9047
9048         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9049         * configure: Regenerate.
9050
9051 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9052
9053         * expr.c (highest_pow2_factor): Make extern.
9054         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9055         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9056         record_array_differ_p, array_ptr_differ_p): Likewise.
9057         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9058         additional cases. Call the above functions.
9059         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9060         base_object_differ_p when there are two base objects. Otherwise, compare
9061         base address and offset. Call may_alias_p.
9062         (dump_data_reference): Use a correct field name.
9063         (analyze_array): Make static. Initialize new data-ref fields.
9064         (analyze_indirect_ref): New function.
9065         (init_data_ref): Initialize new data-ref fields.
9066         (strip_conversion): Moved from tree-vect-analyze.c.
9067         (analyze_offset_expr, get_ptr_offset, address_analysis,
9068         object_analysis): Likewise.
9069         (analyze_offset): New function.
9070         (create_data_ref): Likewise.
9071         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9072         dimensions for ARRAY_REFs only.
9073         (build_classic_dist_vector): Make static.
9074         (access_functions_are_affine_or_constant_p): Call macro to get the
9075         address of access functions.
9076         (compute_all_dependences): Add new parameter
9077         compute_self_and_read_read_dependences. Compute self and read-read
9078         dependences if it is true.
9079         (find_data_references_in_loop): Call create_data_ref. Initialize new
9080         data-ref fields.
9081         (compute_data_dependences_for_loop): Add new parameter
9082         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9083         compute nb_loops. Call compute_all_dependences,
9084         build_classic_dist_vector and build_classic_dir_vector with correct
9085         parameters.
9086         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9087         with correct parameters. Compare dimensions for ARRAY_REFs only.
9088         (free_data_refs): Call macro to free access functions.
9089         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9090         fields from stmt_vinfo.
9091         (struct base_object_info): New structure.
9092         (struct data_reference): Move fields to base_object_info. Add fields
9093         first_location and object_info for above structures. Move fields from
9094         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9095         aligned_to.  Add macros to access the new fields.
9096         Update functions declarations.
9097         * tree-flow.h (is_aliased_with): Declare.
9098         * tree-loop-linear.c (linear_transform_loops): Call
9099         compute_data_dependences_for_loop with correct parameters.
9100         * tree-ssa-alias.c (is_aliased_with): New function.
9101         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9102         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9103         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9104         vect_base_addr_differ_p, compute_subscript_distance and
9105         build_classic_dist_vector. Add printings. Check absolute value of
9106         distance.
9107         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9108         data-refs.
9109         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9110         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9111         to bytes. Add printing.
9112         (vect_compute_data_refs_alignment): Go through loads and stores in one
9113         loop.
9114         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9115         vect_analyze_data_ref_access): Likewise.
9116         (vect_analyze_pointer_ref_access): Remove.
9117         (vect_address_analysis, vect_object_analysis): Likewise.
9118         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9119         and analyze data-refs in the loop.
9120         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9121         fields of data-ref instead of stmt. Add init to the offset from the
9122         base.
9123         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9124         (vect_update_init_of_dr): Likewise.
9125         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9126         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9127         removed fields.
9128         (new_loop_vec_info): Initialize new fields.
9129         (destroy_loop_vec_info): Free new fields.
9130         (vect_strip_conversion): Remove.
9131         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9132         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9133         datarefs. Add new field ddrs.
9134         Add macros for the new fields access.
9135         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9136         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9137         Remove their macros.
9138         * tree.h (highest_pow2_factor): Declare.
9139
9140 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9141
9142         * calls.c (store_one_arg): Check for sibling call MEM arguments
9143         from already clobbered incoming argument area.
9144
9145 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9146
9147         * c-common.c (check_missing_format_attribute): New.
9148         * c-common.h (check_missing_format_attribute): Likewise.
9149         * c-typeck.c (convert_for_assignment): Use it.
9150
9151 2005-07-24  Andreas Schwab  <schwab@suse.de>
9152
9153         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9154         register use a word move.  Correct operand of ext.w in 68000 code.
9155
9156 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9157
9158         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9159         variables as declarations, rather than definitions.
9160
9161 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9162
9163         PR tree-optimization/22526
9164         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9165         of the zero node.
9166
9167 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9168
9169         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9170         that C99 reserve for future use. Use it to define clog10,
9171         clog10f and clog10l.
9172
9173 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9174
9175         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9176         * configure.ac: Check for -Wmissing-format-attribute.
9177
9178         * configure: Regenerate.
9179
9180 2005-07-23  Richard Henderson  <rth@redhat.com>
9181
9182         PR tree-optimization/22623
9183         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9184
9185 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9186
9187         PR target/22577
9188         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9189
9190 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9191
9192         * Makefile.in (C_TREE_H): Update dependencies.
9193         * c-tree.h: Include toplev.h.
9194         * diagnostic.h (diagnostic_set_info): Add format attribute.
9195         * rtl-error.c (diagnostic_for_asm): Likewise.
9196
9197 2005-07-23  Chao-ying Fu  <fu@mips.com>
9198
9199         * config/mips/mips-dsp.md: New file.
9200         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9201         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9202         functions.
9203         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9204         MIPS_BUILTIN_BPOSGE32.
9205         (mips_expand_builtin_direct): Add one parameter to indicate that
9206         builtin functions need to return a value.
9207         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9208         functions.
9209         (mips_regno_to_class): Add classes for 12 new DSP registers.
9210         (mips_subword): Change to check four HI registers.
9211         (mips_output_move): Output move to and from 6 new DSP accumulators.
9212         (override_options): Make sure -mdsp and -mips16 are not used together.
9213         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9214         for machine modes.
9215         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9216         when !TARGET_DSP.
9217         (print_operand): Add 'q' for printing DSP accumulators.
9218         (mips_cannot_change_mode_class): Check ACC_REGS.
9219         (mips_secondary_reload_class): Check ACC_REGS.
9220         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9221         (mips_register_move_cost): Check ACC_REGS.
9222         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9223         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9224         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9225         (dsp_bdesc): New array.
9226         (bdesc_arrays): Add DSP builtin function table.
9227         (mips_prepare_builtin_arg): Check predicate again after
9228         copy_to_mode_reg.
9229         (mips_expand_builtin): Add one more parameter to
9230         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9231         MIPS_BUILTIN_BPOSGE32.
9232         (mips_init_builtins): Initialize new function types.
9233         (mips_expand_builtin_direct): Check if builtin functions need to
9234         return a value and pass operands properly.
9235         (mips_expand_builtin_bposge): New function.
9236         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9237         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9238         (FIRST_PSEUDO_REGISTER): Increase to 188.
9239         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9240         Update for 12 new DSP registers.
9241         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9242         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9243         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9244         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9245         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9246         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9247         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9248         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9249         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9250         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9251         (REGISTER_NAMES): Add names for 12 new DSP registers.
9252         * config/mips/mips.md: Include mips-dsp.md.
9253         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9254         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9255         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9256         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9257         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9258         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9259         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9260         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9261         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9262         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9263         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9264         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9265         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9266         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9267         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9268         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9269         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9270         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9271         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9272         (UNSPEC_RDDSP): New constants.
9273         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9274         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9275         A<-d alternative.
9276         * config/mips/mips.opt (-mdsp): New option.
9277         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9278         (reg_imm10_operand): New predicates.
9279         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9280         * doc/invoke.texi (-mdsp): Document new option.
9281
9282 2005-07-22  DJ Delorie  <dj@redhat.com>
9283
9284         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9285         to warning calls.
9286         * tree-inline.c (inlinable_function_p): Likewise.
9287
9288 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9289
9290         PR debug/21828
9291         * toplev.c (check_global_declarations): Do not mark undefined
9292         variables as DECL_IGNORED_P.
9293         * varasm.c (first_global_object_name): GTY it.
9294         (weak_global_object_name): Likewise.
9295         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9296         a string to go into {weak,first}_global_object_name.
9297
9298 2005-07-22  DJ Delorie  <dj@redhat.com>
9299
9300         * c-format.c (check_function_format): Change warning control
9301         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9302
9303 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9304
9305         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9306         &PTR->FLD a dereference of PTR.
9307         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9308         a potential dereference of PTR.
9309
9310 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9311
9312         PR rtl-optimization/20370
9313         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9314         call allocate_reg_info if necessary.
9315
9316         PR rtl-optimization/21848
9317         * calls.c (emit_library_call_value_1): For const functions, add
9318         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9319
9320         PR rtl-optimization/22445
9321         * cselib.c (target.h): Include.
9322         (rtx_equal_for_cselib_p): Allow commutative matches.
9323         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9324         Remove MODE parameter.  Changed all callers.
9325
9326         PR rtl-optimization/22258
9327         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9328         New functions.
9329         (try_combine): Use likely_spilled_retval_p.
9330
9331 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9332
9333         * config.gcc: Add crx-elf support.
9334
9335         * doc/contrib.texi: Mention crx.
9336         * doc/extend.texi: Document crx extensions.
9337         * doc/install.texi: Document crx install.
9338         * doc/invoke.texi: Document crx options.
9339         * doc/md.texi: Document crx constraints.
9340
9341         * config/crx/crx-protos.h: New file.
9342         * config/crx/crx.c: New file.
9343         * config/crx/crx.h: New file.
9344         * config/crx/crx.md: New file.
9345         * config/crx/crx.opt: New file.
9346         * config/crx/t-crx: New file.
9347
9348 2005-07-22  Manfred Hollstein  <mh@suse.com>
9349
9350         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9351         warnings.
9352         (int_add_graph_edge): Likewise.
9353         (collapse_nodes): Likewise.
9354         (process_unification_queue): Likewise.
9355
9356 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9357             Laurent GUERBY  <laurent@guerby.net>
9358
9359         PR tree-optimization/22336
9360         * function.c (record_block_change): Check for
9361         cfun->ib_boundaries_block.
9362
9363 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9364
9365         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9366         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9367
9368 2005-07-21  DJ Delorie  <dj@redhat.com>
9369
9370         * toplev.c (warn_deprecated_use): Add warning control to warning
9371         call.
9372         * c-typeck.c (parser_build_binary_op): Likewise.
9373         (c_finish_if_stmt): Likewise.
9374         * c-common.c (check_function_sentinel): Likewise.
9375         (check_nonnull_arg): Likewise.
9376
9377 2005-07-21  Richard Henderson  <rth@redhat.com>
9378
9379         PR tree-opt/22504
9380         * tree-complex.c (complex_ssa_name_components): New.
9381         (cvc_lookup): Allow entry not found.
9382         (create_components): Remove.
9383         (create_one_component_var, get_component_var): New.
9384         (get_component_ssa_name, set_component_ssa_name): New.
9385         (extract_component): Use get_component_ssa_name.
9386         (update_complex_components): Use set_component_ssa_name.
9387         (update_complex_components_on_edge): Likewise.
9388         (update_phi_components): Create new PHI nodes directly, instead
9389         of adding insns to edges.
9390         (tree_lower_complex): Allocate and free complex_variable_components
9391         and complex_ssa_name_components here.
9392
9393 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9394
9395         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9396         revert to returning false.
9397
9398 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9399
9400         PR target/21149
9401         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9402
9403 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9404
9405         PR target/22576
9406         * config/i386/i386.md (cmpxf): Change operand constraints
9407         to "nonmemory_operand".
9408
9409 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9410
9411         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9412
9413 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9414
9415         PR middle-end/21180
9416         * fold-const.c (fold_build1): Add checksum for the operands.
9417         (fold_build2): Likewise.
9418         (fold_build3): Likewise.
9419
9420 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9421
9422         PR middle-end/19055
9423         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9424
9425 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9426
9427         * common.opt (-fforward-propagate): Committed by mistake,
9428         removed.
9429
9430 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9431
9432         * reg-stack.c: Fix comment typo(s).
9433         * tree-ssa-operands.c: Likewise.
9434         * tree-vectorizer: Likewise.
9435
9436 2005-07-21  Nick Clifton  <nickc@redhat.com>
9437
9438         * config/sh/symbian.c: Replace C++ style line comments with C
9439         style line comments.
9440         (symbian_add_attribute): Do not use a ? operator on the LHS of
9441         an assignment.
9442         (sh_symbian_handle_dll_attribute): Change the type of the
9443         method vector to "VEC(tree,gc)*" and use vector accessor
9444         macros to walk over the elements.
9445         (symbian_export_vtable_and_rtti_p): Likewise.
9446         (symbian_class_needs_attribute_p): Likewise.
9447
9448 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9449
9450         PR target/22085
9451         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9452         initialize targetm.resolve_overloaded_builtin here.
9453         (altivec_expand_overloaded_builtin): Make it non-static.
9454         * config/rs6000/rs6000-protos.h
9455         (altivec_expand_overloaded_builtin): New prototype.
9456         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9457         targetm.resolve_overloaded_builtin here.
9458         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9459
9460 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9461             Zdenek Dvorak  <dvorakz@suse.cz>
9462
9463         PR tree-optimization/19210
9464         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9465         New.
9466         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9467         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9468         rely on unproven assumptions.
9469         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9470         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9471         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9472         to number_of_iterations_exit.
9473         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9474         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9475         * tree-ssa-loop-niter.c (find_loop_niter,
9476         estimate_numbers_of_iterations_loop): Likewise.
9477         (number_of_iterations_exit): Honor the new options.
9478         * doc/invoke.texi (Wunsafe-loop-optimizations,
9479         funsafe-loop-optimizations): Document them.
9480
9481 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9482
9483         PR rtl-optimization/22167
9484         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9485
9486 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9487
9488         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9489         __do_global_dtors_aux longcall.
9490
9491 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9492
9493         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9494         (old_special_pred_table): Don't reference
9495         SPECIAL_MODE_PREDICATES.
9496         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9497         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9498         * config/sh/predicates.h: Don't mention
9499         SPECIAL_MODE_PREDICATES.
9500         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9501         Remove.
9502
9503 2005-07-20  DJ Delorie  <dj@redhat.com>
9504
9505         * config.gcc: Add m32c-elf support.
9506
9507         * doc/contrib.texi: Mention m32c.
9508         * doc/extend.texi: Document m32c extensions.
9509         * doc/install.texi: Mention m32c.
9510         * doc/invoke.texi: Document m32c options.
9511         * doc/md.texi: Document m32c constraints.
9512
9513         * config/m32c/addsub.md: New file.
9514         * config/m32c/bitops.md: New file.
9515         * config/m32c/cond.md: New file.
9516         * config/m32c/jump.md: New file.
9517         * config/m32c/m32c-lib1.S: New file.
9518         * config/m32c/m32c-lib2.c: New file.
9519         * config/m32c/m32c-modes.def: New file.
9520         * config/m32c/m32c-pragma.c: New file.
9521         * config/m32c/m32c-protos.h: New file.
9522         * config/m32c/m32c.abi: New file.
9523         * config/m32c/m32c.c: New file.
9524         * config/m32c/m32c.h: New file.
9525         * config/m32c/m32c.md: New file.
9526         * config/m32c/m32c.opt: New file.
9527         * config/m32c/minmax.md: New file.
9528         * config/m32c/mov.md: New file.
9529         * config/m32c/muldiv.md: New file.
9530         * config/m32c/predicates.md: New file.
9531         * config/m32c/prologue.md: New file.
9532         * config/m32c/shift.md: New file.
9533         * config/m32c/t-m32c: New file.
9534
9535 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9536
9537         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9538         (stack_protect_set, stack_protect_test): New expanders.
9539         (stack_protect_set_si, stack_protect_set_si_media,
9540         stack_protect_set_di_media, stack_protect_test_si,
9541         stack_protect_test_si_media, stack_protect_test_di_media):
9542         New insns.
9543
9544 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9545
9546         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9547
9548 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9549
9550         * tree.h (tree_expr_nonzero_p): Export.
9551         * fold-const.c (tree_expr_nonzero_p): Likewise.
9552         Return true for CALL_EXPRs that are alloca calls.
9553         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9554         against zero.
9555         * tree-flow.h (expr_computes_nonzero): Remove.
9556         * tree-vrp.c (expr_computes_nonzero): Remove.
9557         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9558         (extract_range_from_unary_expr): Likewise.
9559         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9560         tree_expr_nonzero_p.
9561
9562 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9563
9564         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9565         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9566         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9567         All callers changed.
9568         (frame_related_constant_load): New arg "related" which controls
9569         setting of RTX_FRAME_RELATED_P.  All callers changed.
9570         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9571         (bfin_expand_prologue): Add stack limit checking.
9572         * config/bfin/bfin.md (trapifcc): New pattern.
9573
9574         * config/bfin/bfin.c: Include "langhooks.h".
9575         (def_builtin): Go through lang_hooks to call builtin_function.
9576
9577         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9578         * config/bfin/predicates.md (symbol_ref_operand): New.
9579         (call_insn_operand): Delete.  All callers changed to use
9580         register_no_elim_operand.
9581         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9582         call_cookie field.
9583         (function_arg): Use it to generate the call's operand 2.
9584         (bfin_longcall_p): New function.
9585         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9586         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9587         determine if the address needs to be in a REG.
9588         (bfin_handle_longcall_attribute): New function.
9589         (bfin_attribute_table): Add "longcall" and "shortcall".
9590         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9591         (CUMULATIVE_ARGS): New member call_cookie.
9592         (PREDICATE_CODES): Add symbol_ref_operand.
9593         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9594         extra USE to the pattern.
9595         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9596         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9597         sibcall_value_insn; now the new patterns handle direct calls and the
9598         old ones indirect calls.
9599         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9600
9601 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9602
9603         * doc/trouble.texi: Update section on handling of empty loops.
9604
9605 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9606
9607         * config.gcc: Remove support for sparc-*-openbsd*,
9608         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9609         ns32k-*-netbsd*.
9610         * config.host: Remove support for i860-*-sysv4* as a host.
9611         * config/i860/*, config/ip2k/*, config/ns32k/*,
9612         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9613         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9614         mention obsolete ports.
9615
9616 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9617
9618         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9619         soft frame pointer.
9620         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9621         of frame_pointer_rtx.
9622         (sh_expand_epilogue): Likewise.
9623         (sh_set_return_address): Likewise.
9624         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9625         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9626         offsets from FRAME_POINTER_REGNUM.
9627         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9628         (sh_register_names): Add initializer for sfp.
9629         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9630         (VALID_REGISTER_P): Likewise.
9631         (FIRST_PSEUDO_REGISTER): Update.
9632         (DWARF_FRAME_REGISTERS): Define.
9633         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9634         (HARD_FRAME_POINTER_REGNUM): Define.
9635         (FRAME_POINTER_REGNUM): Redefine.
9636         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9637         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9638         from FRAME_POINTER_REGNUM.
9639         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9640         FRAME_POINTER_REGNUM.
9641         (REG_CLASS_CONTENTS): Add sfp.
9642         (REG_ALLOC_ORDER): Likewise.
9643         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9644         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9645         of frame_pointer_rtx.
9646         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9647
9648 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9649
9650         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9651         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9652         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9653         of an ABS_EXPR.
9654         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9655         ABS_EXPR<x>.
9656
9657 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9658
9659         Make CONSTRUCTOR use VEC to store initializers.
9660         * c-common.c (complete_array_type): Update to cope with VEC in
9661         CONSTRUCTOR_ELTS.
9662         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9663         (pp_c_constructor_elts): New function.
9664         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9665         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9666         struct constructor_stack, struct initializer_stack,
9667         constructor_elements, push_init_level, pop_init_level,
9668         add_pending_init, find_init_member, output_init_element): Update to
9669         cope with VEC in CONSTRUCTOR_ELTS.
9670         * coverage.c (build_fn_info_value, build_ctr_info_value,
9671         build_gcov_info): Likewise.
9672         * expr.c (categorize_ctor_elements_1, store_constructor,
9673         expand_expr_real_1): Likewise.
9674         * fold-const.c (fold_ternary): Likewise.
9675         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9676         gimplify_init_constructor, gimplify_expr): Likewise.
9677         * tree-dump.c (dequeue_and_dump): Likewise.
9678         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9679         node.
9680         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9681         CONSTRUCTOR_ELTS.
9682         * tree-sra.c (generate_element_init_1): Likewise.
9683         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9684         * tree-ssa-operands.c (get_expr_operands): Likewise.
9685         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9686         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9687         (get_initial_def_for_reduction): Likewise.
9688         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9689         value handle in annotations.
9690         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9691         tree_node_structure): Add support for constr_kind.
9692         (build_vector_from_ctor, build_constructor_single,
9693         build_constructor_from_list): New functions.
9694         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9695         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9696         Update to cope with VEC in CONSTRUCTOR_ELTS.
9697         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9698         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9699         CONSTRUCTOR_APPEND_ELT): New macros.
9700         (struct constructor_elt, struct tree_constructor): New data types.
9701         (union tree_node): Add tree_constructor field.
9702         * treestruct.def: Define TS_CONSTRUCTOR.
9703         * varasm.c (const_hash_1, compare_constant, copy_constant,
9704         compute_reloc_for_constant, output_addressed_constants,
9705         initializer_constant_valid_p, output_constant,
9706         array_size_for_constructor, output_constructor): Update to cope with
9707         VEC in CONSTRUCTOR_ELTS.
9708         * vec.h (VEC_empty, VEC_copy): New macros.
9709
9710 2005-07-19  Devang Patel  <dpatel@apple.com>
9711
9712         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9713
9714 2005-07-19  Richard Henderson  <rth@redhat.com>
9715
9716         PR tree-opt/22278
9717         * gimplify.c (gimplify_expr): Use main variant type for the temp
9718         destination for a discarded volatile read.
9719         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9720         casts between non-void types that change volatility.
9721
9722 2005-07-15  DJ Delorie  <dj@redhat.com>
9723
9724         * toplev.h: Add comment about the first parameter for warning().
9725         * errors.h: Likewise.
9726
9727         * c.opt (Wpragmas): New.
9728         * doc/invoke.texi: Document it.
9729
9730         * function.c (do_warn_unused_parameter): Add warning control to
9731         warning call.
9732         * c-decl.c (warn_if_shadowing): Likewise.
9733         * c-lex.c (cb_def_pragma): Likewise.
9734         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9735         (pop_alignment): Likewise.
9736         (handle_pragma_pack): Likewise.
9737         (apply_pragma_weak): Likewise.
9738         (handle_pragma_weak): Likewise.
9739         (handle_pragma_redefine_extname): Likewise.
9740         (add_to_renaming_pragma_list): Likewise.
9741         (handle_pragma_extern_prefix): Likewise.
9742         (maybe_apply_renaming_pragma): Likewise.
9743         (handle_pragma_visibility): Likewise.
9744
9745         * config/c4x/c4x-c.c (BAD): Likewise.
9746         (c4x_parse_pragma): Likewise.
9747         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9748         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9749         (rs6000_pragma_longcall): Likewise.
9750         * config/v850/v850-c.c (pop_data_area): Likewise.
9751         (ghs_pragma_section): Likewise.
9752         (ghs_pragma_section): Likewise.
9753         (ghs_pragma_interrupt): Likewise.
9754         (ghs_pragma_starttda): Likewise.
9755         (ghs_pragma_startsda): Likewise.
9756         (ghs_pragma_startzda): Likewise.
9757         (ghs_pragma_endtda): Likewise.
9758         (ghs_pragma_endsda): Likewise.
9759         (ghs_pragma_endzda): Likewise.
9760
9761 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9762             Kenneth Zadeck <zadeck@naturalbridge.com>
9763
9764         * Makefile.in: Removed tree-promote-statics.c
9765         * tree-promote-statics.c: Removed.
9766         * common.opt: Removed flag-promote-statics.
9767         * opts.c: Ditto.
9768         * passes.c: Removed tree-promote-statics pass.
9769         * tree-pass.h: Ditto.
9770         * timevar.def: Removed TV_PROMOTE_STATICS.
9771
9772
9773 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9774
9775         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9776         and *-*-freebsd9.
9777         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9778
9779 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9780
9781         PR c/22476
9782         * c-common.c (check_function_arguments): Call
9783         'check_function_format' if either -Wformat or
9784         -Wmissing-format-attribute are specified.
9785         * c-format.c (check_function_format): Check -Wformat before
9786         calling 'check_format_info'.
9787         * c-opts.c (c_common_post_options): Don't warn for
9788         -Wmissing-format-attribute without -Wformat.
9789         * c-typeck.c (convert_for_assignment): Detect additional cases for
9790         -Wmissing-format-attribute.
9791         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9792         behavior.
9793
9794 2005-07-19  Richard Guenther  <rguenther@suse.de>
9795
9796         * config/i386/i386.md (lrint<mode>2): Use temporary
9797         instead of clobbering non-existent memory.
9798
9799 2005-07-19  Nick Clifton  <nickc@redhat.com>
9800
9801         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9802         statement to avoid displaying ASCII control characters.
9803
9804 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9805
9806         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9807         * cfganal.c (find_edge_index): Ditto.
9808         * combine.c (combine_instructions): Ditto.
9809         * ddg.c (create_scc): Ditto.
9810         (find_successors): Ditto.
9811         (find_predecessors): Ditto.
9812         (find_nodes_on_paths): Ditto.
9813         (longest_simple_path): Ditto.
9814         * flow.c (update_life_info): Ditto.
9815         (count_or_remove_death_notes): Ditto.
9816         (clear_log_links): Ditto.
9817         * modulo-sched.c (generate_reg_moves): Ditto.
9818         (find_max_asap): Ditto.
9819         (find_max_hv_min_mob): Ditto.
9820         (find_max_dv_min_mob): Ditto.
9821         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9822         * sched-rgn.c (extract_edgelst): Ditto.
9823         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9824         (dump_update_ssa): Ditto.
9825         (ssa_names_to_replace) Ditto.
9826         (switch_virtuals_to_full_rewrite): Ditto.
9827         (update_ssa): Ditto.
9828         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9829
9830 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9831
9832         Fix PR tree-optimization/22483
9833
9834         * tree-complex.c (create_components): Use
9835         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9836         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9837         * tree-flow.h (safe_referenced_var_iterator): New structure.
9838         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9839         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9840         safe_referenced_var iterator.
9841         (add_type_alias): Ditto.
9842
9843 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9844
9845         * loop-init.c (rest_of_handle_loop2): Remove.
9846         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9847         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9848         (pass_rtl_loop_init, pass_rtl_loop_done,
9849         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9850         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9851         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9852         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9853         pass_tree_loop_done, and pass_tree_unswitch.
9854         (gate_loop): Rename to gate_tree_loop.
9855         * passes.c (init_optimization_passes): Update for renamed tree
9856         loop passes.  Add the new loop2 passes as subpasses of loop2.
9857         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9858         Update for the renamed tree loop passes.
9859
9860 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9861
9862         PR middle-end/22057
9863         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9864         blocks when optimizing.
9865
9866 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9867
9868         * common.opt (frename-registers): Initialize to 2.
9869         (fweb): Ditto.
9870         (fgcse-after-reload): Ditto.
9871         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9872         (process_options): Only change flag_web, flag_rename_registers,
9873         and flag_rerun_cse_after_loop if not explicitly set by user.
9874
9875 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9876
9877         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9878         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9879         in 64-bit mode the same as DImode in 32-bit mode.
9880         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9881         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9882         mode. Add new mode parameter.
9883         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9884         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9885         x86_64_shift_adj): New expanders.
9886         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9887         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9888         insns.
9889         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9890         DImode shift splitters.
9891         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9892         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9893         mode parameter.
9894
9895 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9896
9897         * i386.md (movdi_extzv_1): New.
9898         (zero_extendhidi2): Combine alternatives and never force use of
9899         REX64 prefix.
9900         (zero_extendqidi2): Likewise. Don't restrict input selection.
9901
9902 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9903
9904         Fix PR tree-optimization/22531
9905         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9906          moment.
9907
9908 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9909
9910         * tree-promote-statics.c (pass_promote_statics): Change dump file
9911          name.
9912
9913 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9914
9915         * tree-optimize.c (init_tree_optimization_passes): Add
9916         pass_eliminate_useless_stores pass.
9917         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9918         * tree-ssa-pre.c (is_copy_stmt): New function.
9919         (follow_copies_till_vuse): Ditto.
9920         (do_eustores): Ditto.
9921         (gate_eustores): Ditto.
9922
9923 2005-07-16  Richard Henderson  <rth@redhat.com>
9924
9925         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9926
9927 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9928            Kenneth Zadeck <zadeck@naturalbridge.com>
9929
9930         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9931         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9932         ipa-type-escape.h, tree-promote-statics.c
9933         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9934         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9935         tree-promote-statics.c: new files.
9936         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9937         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9938         int nonlocal_set_p, mark_constant_function): Deleted.
9939         (rest_of_handle_cfg): Removed call to mark_constant_function.
9940         (nonoverlapping_component_refs_p): Added calls to support
9941         type based aliasing.
9942         * tree-ssa-alias.c (may_alias_p,
9943         compute_flow_insensitive_aliasing): Ditto.
9944         * calls.c (flags_from_decl_or_type): Removed reference to
9945         cgraph_rtl_info.
9946         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9947         too many arguments.  This is necessary for Spec 2000.
9948         * cgraph.h (const_function, pure_function): Removed.
9949         * common.opt: Added "fipa-pure-const", "fipa-reference",
9950         "fipa-type-escape", and "ftree-promote-static".
9951         * opts.c: Ditto.
9952         * passes.c: Added ipa and tree-promote-statics passes.
9953         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9954         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9955         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9956         * tree-flow.h: Added exposed sra calls and addition of
9957         reference_vars_info field for FUNCTION_DECLS.
9958         * tree-pass.h: Added passes.
9959         * tree-sra.c: (sra_init_cache): New function.
9960         (sra_insert_before, sra_insert_after) Made public.
9961         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9962         and made public.
9963         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9964         aliasing. (may_alias_p): Added code to use type escape analysis to
9965         improve alias sets.
9966         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9967         code to prune clobbers of static variables based on information
9968         produced in ipa-reference pass.  Changed call clobbering so that
9969         statics are not marked as clobbered if the call does not clobber
9970         them.
9971
9972 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9973
9974         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9975         too.
9976
9977 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9978
9979         * doc/install.texi (*-*-solaris2*): Document recommended version
9980         of GNU binutils and mention GNU linker problem on Solaris 10.
9981
9982 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9983
9984         PR c/22421
9985         * c-decl.c (c_build_bitfield_integer_type): New function.
9986         (finish_struct): Call it.
9987         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9988
9989 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9990
9991         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9992         before returning.
9993
9994 2005-07-16  Jan Hubicka  <jh@suse.cz>
9995
9996         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9997         (scale_bbs_frequencies_int): Watch roundoff errors.
9998         * predict.c (return_prediction): Initialize return_stmt.
9999
10000 2005-07-16  Jan Hubicka  <jh@suse.cz>
10001
10002         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10003         after RTL profiling.
10004
10005 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10006
10007         PR middle-end/22398
10008         * fold-const.c (build_range_check): Convert high/low to etype
10009         if we are only comparing against exp.
10010
10011 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10012
10013         Fix PR tree-optimization/22376
10014         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10015         special var here.
10016         (need_to_solve): New function.
10017         (compute_points_to_sets): Use it.
10018
10019 2005-07-15  Jan Hubicka  <jh@suse.cz>
10020
10021         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10022         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10023
10024 2005-07-15  Richard Guenther  <rguenther@suse.de>
10025
10026         * c-common.c (handle_flatten_attribute): New function.
10027         Add flatten function attribute.
10028         * doc/extend.texi: Document flatten function attribute.
10029         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10030         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10031         New functions.
10032         (cgraph_decide_inlining): Handle functions with flatten
10033         attribute.
10034
10035 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10036
10037         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10038         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10039         UNSPEC_XCHG, UNSPEC_AND): New.
10040         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10041         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10042         * config/rs6000/sync.md (FETCHOP): New code macro.
10043         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10044         New code attrs.
10045         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10046         (sync_compare_and_swap<mode>): Same.
10047         (sync_lock_test_and_set<mode>): Same.
10048         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10049         for QImode and HImode, and not PPC405.
10050         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10051         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10052         (sync_<fetchop>{si,di}_internal): New.
10053         (sync_nand{si,di}_internal): New.
10054         (sync_old_<fetchop>{si,di}_internal): New.
10055         (sync_old_nand{si,di}_internal): New
10056         (sync_new_<fetchop>{si,di}_internal): New.
10057         (sync_new_nand{si,di}_internal): New.
10058         (atomic_and{si,di}): New.
10059         (sync_new_nand{si,di}_internal): New.
10060         (atomic_and{si,di}): New.
10061         (sync_add<mode>_internal): Delete.
10062         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10063         (sync_sub<mode>_internal): Delte.
10064         (sync_subshort_internal): New.
10065         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10066         (sync_anddi_internal): Delete.
10067         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10068         (sync_booldi_internal): Delete.
10069         (sync_boolc<mode>_internal): Delete.
10070         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10071         (sync_boolc<mode>_internal2): Delete.
10072         (sync_boolcc<mode>_internal): Delete.
10073         (isync, lwsync): Use unspec instead of unspec_volatile.
10074         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10075         Revert UNSPEC_VOLATILE.
10076         (rs6000_split_atomic_op): New.
10077         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10078
10079 2005-07-14  Eric Christopher  <echristo@redhat.com>
10080
10081         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10082         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10083
10084 2005-07-14  Eric Christopher  <echristo@redhat.com>
10085
10086         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10087
10088 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10089
10090         PR tree-optimization/22230
10091         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10092         the computation of the four cross productions for "range op range".
10093
10094 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10095             Ulrich Weigand  <uweigand@de.ibm.com>
10096
10097         PR target/20126
10098         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10099         in some insn.
10100
10101 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10102
10103         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10104
10105 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10106
10107         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10108
10109 2005-07-14  Richard Guenther  <rguenther@suse.de>
10110
10111         PR middle-end/22347
10112         * config/i386/i386-protos.h (ix86_function_value): Change
10113         prototype to match new target hook.
10114         * config/i386/i386.c (ix86_value_regno): Change prototype
10115         to take extra type argument.
10116         (TARGET_FUNCTION_VALUE): Define.
10117         (ix86_function_ok_for_sibcall): Pass extra argument to
10118         ix86_value_regno, check return slot rtx for exact match.
10119         (ix86_function_value): Take extra parameter.  Dispatch to
10120         ix86_value_regno with fndecl/fntype as provided.
10121         (ix86_value_regno): Handle extra type argument.
10122         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10123
10124         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10125         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10126         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10127         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10128         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10129
10130 2005-07-14  Richard Guenther  <rguenther@suse.de>
10131
10132         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10133         * calls.c (expand_call): Pass fntype to hard_function_value.
10134         (emit_library_call_value_1): Likewise.
10135         * explow.c: Include target.h.
10136         (hard_function_value): Take extra argument, the fntype.
10137         Use new target hook for function_value.
10138         * expr.h (hard_function_value): Change prototype.
10139         * function.c (aggregate_value_p): Pass 0 as fntype to
10140         hard_function_value.
10141         (assign_parms): Use new target hook for function_value.
10142         Pass 0 as fntype to hard_function_value.
10143         (expand_function_end): Likewise.
10144         * reg-stack.c: Include target.h.
10145         (stack_result): Use new target hook for function_value.
10146         * target-def.h: New target hook function_value.
10147         * target.h: Likewise.
10148         * targhooks.c (default_function_value): New function.
10149         * targhooks.h (default_function_value): Declare.
10150
10151 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10152
10153         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10154
10155 2005-07-14  Jan Hubicka  <jh@suse.cz>
10156
10157         * tree-dfa.c (dump_variable): Use default_def function.
10158         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10159         * tree-ssa.c (verify_use): Likewise.
10160         * tree-ssanames.c (release_ssa_name): Likewise.
10161         * tree-tailcall.c (eliminate_tail_call): Likewise.
10162         (tree_optimize_tail_calls_1): Likewise.
10163         * tree-vrp.c (get_value_range): Likewise.
10164
10165 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10166
10167         * gcc.c (main): Compare language[0] with '*' when iterating over
10168         the infiles.
10169
10170 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10171
10172         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10173         "s390_emit_compare".  Add handling of CCZ1mode.
10174         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10175         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10176         checking.
10177         (s390_branch_condition_mask): Add CCZ1mode handling.
10178         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10179         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10180         Use CCZ1mode instead of CCZmode.
10181         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10182
10183 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10184
10185         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10186         pattern.
10187         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10188
10189 2005-07-13  Eric Christopher  <echristo@redhat.com>
10190
10191         * config/mips/mips.c (mips_canonicalize_comparison): New.
10192         (mips_emit_int_relational): Use.
10193
10194 2005-07-13  Eric Christopher  <echristo@redhat.com>
10195
10196         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10197         static extra parts.
10198         * config/s390/s390.md: Include tpf.md. Move tpf specific
10199         patterns...
10200         * config/s390/tpf.md: To here.
10201         * config/s390/s390.opt: Move tpf specific options...
10202         * config/s390/tpf.opt: to here. Add mmain option.
10203         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10204         * config/s390/tpf.h: Rewrite.
10205
10206 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10207
10208         * doc/tm.texi: Remove @xref{Cross-profiling}.
10209
10210 2005-07-13  Jeff Law  <law@redhat.com>
10211
10212         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10213         expressions, test their _DECL operands for pointer equality rather
10214         than using operand_equal_p.
10215
10216 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10217
10218         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10219         (TARGET_POSIX_IO): This.
10220         * config/darwin.h: Likewise.
10221         * config/freebsd.h: Likewise.
10222         * config/linux.h: Likewise.
10223         * config/lynx.h: Likewise.
10224         * config/netbsd.h: Likewise.
10225         * config/rs6000/linux64.h: Likewise.
10226         * config/rs6000/linux.h: Likewise.
10227         * config/s390/tpf.h: Likewise.
10228         * config/sh/embed-elf.h: Likewise.
10229         * config/sparc/linux64.h: Likewise.
10230         * config/sparc/linux.h: Likewise.
10231         * config/svr4.h: Likewise.
10232         * gcov-io.h: Likewise.
10233
10234         * doc/tm.texi: Updated.
10235
10236         * libgcov.c (create_file_directory): Defined only if
10237         TARGET_POSIX_IO is defined.
10238         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10239         is defined.
10240
10241 2005-07-13  Jan Hubicka  <jh@suse.cz>
10242
10243         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10244
10245 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10246
10247         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10248         structure as argument.
10249
10250 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10251
10252         PR tree-optimization/21921
10253         * tree-iterator.c (tsi_link_before): Support the case when
10254         tsi_end_p (tsi) == true.
10255
10256 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10257
10258         PR tree-optimization/22442
10259         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10260         correctly.
10261
10262 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10263
10264         PR rtl-optimization/20376
10265         * toplev.c (process_options): Enable -fweb and -frename-registers when
10266         unrolling.
10267         * doc/invoke.texi: Update the information about when -fweb and
10268         -frename-registers are enabled.
10269
10270 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10271
10272         PR tree-opt/21840
10273         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10274         if *rhs_p is not a SSA_NAME.
10275
10276 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10277
10278         Fix PR tree-optimization/22422
10279         * tree-ssa-structalias.c (struct variable_info): Add flag for
10280         special vars.
10281         (get_varinfo): Now a static function.
10282         (new_varinfo): init has_union and is_special_var to false.
10283         (solution_set_add): Check has_union.
10284         (do_da_constraint): Move temporary variable so it gets reset
10285         properly.
10286         Also check for special variable.
10287         (do_ds_constraint): Ditto.
10288         (do_sd_constraint): Ditto.
10289         (do_structure_copy): Check for special variable.
10290         (find_func_aliases): Ditto.
10291         (init_base_vars): Set special vars properly.
10292
10293 2005-07-13  Jan Hubicka  <jh@suse.cz>
10294
10295         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10296         do unit-at-a-time.
10297
10298         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10299         (get_expr_operands): Fix thinko wrt flags and subvars.
10300
10301         PR tree-optimize/22379
10302         * tree-inline.c (expand_call_inline): Do not output sorry in early
10303         inlining.
10304
10305 2005-07-12  Dale Johannesen  <dalej@apple.com>
10306
10307         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10308
10309 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10310
10311         PR bootstrap/21704
10312         * host-linux.h: Include limits.h.
10313
10314 2005-07-12  Dale Johannesen  <dalej@apple.com>
10315
10316         * expr.c (compress_float_constant):  Add cost check.
10317         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10318
10319 2005-07-12  Dale Johannesen  <dalej@apple.com>
10320
10321         * gcc.target/i386/compress-float-sse.c:  New.
10322         * gcc.target/i386/compress-float-sse-pic.c:  New.
10323         * gcc.target/i386/compress-float-387.c:  New.
10324         * gcc.target/i386/compress-float-387-pic.c:  New.
10325         * gcc.dg/compress-float-ppc.c:  New.
10326         * gcc.dg/compress-float-ppc-pic.c:  New.
10327
10328 2005-07-12  Eric Christopher  <echristo@redhat.com>
10329
10330         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10331         static extra parts.
10332         * config/s390/s390.md: Include tpf.md. Move tpf specific
10333         patterns...
10334         * config/s390/tpf.md: To here.
10335         * config/s390/s390.opt: Move tpf specific options...
10336         * config/s390/tpf.opt: to here. Add mmain option.
10337         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10338         * config/s390/tpf.h: Rewrite.
10339
10340 2005-07-12  Eric Christopher  <echristo@redhat.com>
10341
10342         * gcc.c (struct infile): Update comment for language.
10343         (main): Rewrite input file resetting code.
10344
10345 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10346
10347         PR tree-opt/22335
10348         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10349         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10350         (lookup_avail_expr): Use constant_boolean_node instead
10351         of boolean_false_node/boolean_true_node.
10352
10353 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10354
10355         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10356         and use it when printing num_edges.
10357
10358 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10359
10360         * doc/extend.texi (Blackfin Built-in Functions): New section.
10361         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10362         @opindex.
10363
10364 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10365
10366         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10367         s/cmpstrsi/cmpstrnsi
10368         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10369         'cmpstrnsi'.
10370         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10371         (init_optabs): Initialize cmpstrn_optab.
10372         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10373         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10374         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10375         * config/i386/i386.md: s/cmpstr/cmpstrn
10376         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10377         * doc/md.texi: Update documentation.
10378
10379 2005-07-11  Richard Henderson  <rth@redhat.com>
10380
10381         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10382         build_va_arg_indirect_ref.
10383         (alpha_gimplify_va_arg): Likewise.
10384         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10385         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10386         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10387         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10388         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10389         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10390         Likewise.
10391         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10392
10393 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10394
10395         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10396         * passes.c (init_optimization_passes): Add pass_empty_loop.
10397         * tree-pass.h (pass_empty_loop): Declare.
10398         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10399         try_remove_empty_loop, remove_empty_loops): New functions.
10400         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10401         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10402
10403 2005-07-12  Peter Barada  <peter@the-baradas.com>
10404
10405         PR middle-end/16719
10406         PR middle-end/18421
10407         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10408         in address registers.
10409         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10410         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10411         alternative of addsi3_5200.
10412
10413 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10414
10415         * config/mips/mips.md (ffs<mode>2): Remove.
10416
10417 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10418
10419         * doc/tree-ssa.texi (Cleanups): Improve description of
10420         TRY_FINALLY_EXPR.
10421         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10422
10423 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10424
10425         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10426         * tree.h (DECL_ARGUMENT_FLD): New macro.
10427
10428 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10429
10430         Fix PR tree-optimization/22404
10431
10432         * tree-ssa-structalias.c (create_variable_info_for): Use
10433         correct offset.
10434
10435 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10436
10437         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10438         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10439         for second comparison operand.
10440         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10441
10442         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10443         (define_insn_reservation "alu"): Likewise.
10444         (csync, ssync): Now of type sync.
10445         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10446         -mcsync-anomaly -mspecld-anomaly.
10447         * config/bfin/bfin.opt (mcsync): Remove.
10448         (mcsync-anomaly, mspecld-anomaly): Add.
10449         * config/bfin/bfin.c: Include "insn-codes.h".
10450         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10451         (TARGET_DEFAULT_TARGET_FLAGS): New.
10452         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10453
10454 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10455
10456         * basic-block.h: Give the BB flags enum a name, bb_flags.
10457         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10458         * cfgcleanup.c (enum bb_flags): Remove here.
10459         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10460         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10461         (update_forwarder_flag): Likewise.
10462         (thread_jump): Likewise.
10463         (try_forward_edges): Likewise.
10464         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10465         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10466         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10467
10468 2005-07-11  Richard Guenther  <rguenther@suse.de>
10469
10470         * config/i386/i386.opt: New target option -msseregparm.
10471         * config/i386/i386.c (override_options): Error out for
10472         -msseregparm but no SSE support.
10473         (ix86_function_sseregparm): Check for global sseregparm.
10474         * doc/invoke.texi: Document -msseregparm.
10475
10476 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10477
10478         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10479         (m32rle-*-linux*): Ditto.
10480
10481 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10482
10483         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10484         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10485         bytes.
10486
10487 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10488
10489         PR middle-end/22239
10490         PR target/20126
10491         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10492         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10493
10494 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10495
10496         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10497         (varmap): Heapify varmap.
10498         (constraints): Heapify constraints.
10499         (struct constraint_graph): Heapify succs and preds.
10500         (constraint_vec_find): Update for heapification.
10501         (constraint_set_union): Ditto.
10502         (insert_into_complex): Ditto.
10503         (constraint_edge_vec_find): Ditto.
10504         (erase_graph_self_edge): Ditto.
10505         (add_graph_edge): Ditto.
10506         (get_graph_weights): Ditto.
10507         (merge_graph_nodes): Ditto.
10508         (build_constraint_graph): Ditto.
10509         (topo_visit): Ditto.
10510         (solve_graph): Ditto.
10511         (create_variable_info_for): Ditto.
10512         (init_base_vars): Ditto.
10513         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10514         (condese_varmap_nodes): Free complex vector.
10515         (clear_edges_for_node): Clear succs and preds vector.
10516
10517 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10518
10519         * tree-ssa-structalias.c (update_alias_info): Change counting of
10520         references to not include vdefs.
10521
10522 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10523
10524         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10525         (up_insert): Ditto.
10526
10527 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10528
10529         * pa.c (pa_commutative_p): Make PLUS commutative when
10530         TARGET_NO_SPACE_REGS is true.
10531
10532 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10533
10534         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10535         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10536         * tree-dfa.c (dump_subvars_for): New.
10537         (debug_subvars_for): New.
10538         (dump_variable): Show subvariables if VAR has them.
10539         * tree-flow-inline.h (get_subvar_at): New.
10540         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10541         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10542         Update all users.
10543         (struct subvar): Change fields offset and size to unsigned
10544         HOST_WIDE_INT.
10545         (dump_subvars_for): Declare.
10546         (debug_subvars_for): Declare.
10547         (get_subvar_at): Declare.
10548         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10549         to unsigned HOST_WIDE_INT *.
10550         (overlap_subvar): Likewise.
10551         * tree-gimple.c (is_gimple_reg): Always return false for
10552         SFTs and memory tags.
10553         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10554         Update all callers.
10555         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10556         (compute_may_aliases): Call compute_points_to_sets.
10557         (collect_points_to_info_for): Remove.
10558         (compute_points_to_and_addr_escape): Remove.
10559         (delete_alias_info): Call delete_points_to_sets.
10560         (compute_flow_sensitive_aliasing): If the call to
10561         find_what_p_points_to returns false, call set_pt_anything.
10562         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10563         (set_pt_anything): Clear pi->pt_vars.
10564         (set_pt_malloc): Remove.
10565         (merge_pointed_to_info): Remove.
10566         (add_pointed_to_expr): Remove.
10567         (add_pointed_to_var): Remove.
10568         (collect_points_to_info_r): Remove.
10569         (is_escape_site): Make extern.
10570         (create_sft): New.
10571         (create_overlap_variables_for): Call it.
10572         * tree-ssa-copy.c (merge_alias_info): Never merge
10573         flow-sensitive alias information.
10574         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10575         offset and size to be unsigned HOST_WIDE_INT.
10576         (add_to_addressable_set): Rename from note_addressable.
10577         Set TREE_ADDRESSABLE as the variables are added to the set.
10578         Update all users.
10579         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10580         operands into VUSEs when adding V_MAY_DEFs for members in an
10581         alias set.
10582         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10583         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10584         (struct variable_info): Add bitfield is_heap_var.
10585         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10586         (new_var_info): Initialize is_heap_var.
10587         (get_constraint_for): Add HEAP variables to the symbol table.
10588         Mark them with is_heap_var.
10589         (update_alias_info): New.  Taken mostly from the old
10590         compute_points_to_and_addr_escape.
10591         (handle_ptr_arith): New.
10592         (find_func_aliases): Call update_alias_info.
10593         Call handle_ptr_info for tcc_binary expressions.
10594         Call mark_stmt_modified.
10595         (create_variable_info_for): If DECL has subvars, do not create
10596         variables for its subvars.  Always add all the fields.
10597         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10598         SFTs, then add all the SFTs of the structure.
10599         If VI->DECL is an aggregate with subvariables, add the SFT at
10600         VI->OFFSET.
10601         (find_what_p_points_to): If VI is an artificial variable,
10602         translate to bitfields in SSA_NAME_PTR_INFO.
10603         If the solution is empty, set pi->pt_vars to NULL
10604         (init_base_vars): Create ANYOFFSET.
10605         (compute_points_to_sets): Rename from create_alias_vars.
10606         Make extern.
10607         (pass_build_pta): Remove.
10608         (delete_points_to_sets): Rename from delete_alias_vars.
10609         (pass_del_pta): Remove.
10610         * tree-ssa-structalias.h (struct alias_info): Move from
10611         tree-ssa-alias.h.
10612         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10613         NUM_REFERENCES_SET): Likewise.
10614         (compute_points_to_sets, delete_points_to_sets): Declare.
10615
10616 2005-07-09  Richard Henderson  <rth@redhat.com>
10617
10618         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10619         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10620         alpha_split_lock_test_and_set_12): New functions.
10621         * config/alpha/alpha-protos.h: Update.
10622         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10623         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10624         * config/alpha/sync.md (I12MODE): New.
10625         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10626         (sync_<fetchop_name><I48MODE>): Likewise.
10627         (sync_nand<I48MODE>): Likewise.
10628         (sync_old_<fetchop_name><I48MODE>): Likewise.
10629         (sync_new_<fetchop_name><I48MODE>): Likewise.
10630         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10631         (sync_compare_and_swap<I48MODE>): Likewise.
10632         (sync_lock_test_and_set<I48MODE>): Likewise.
10633         (sync_compare_and_swap<I12MODE>): New.
10634         (sync_compare_and_swap<I12MODE>_1): New.
10635         (sync_lock_test_and_set<I12MODE>): New.
10636         (sync_lock_test_and_set<I12MODE>_1): New.
10637
10638 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10639
10640         PR 21356
10641         PR 22332
10642         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10643
10644 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10645
10646         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10647         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10648
10649 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10650
10651         PR target/21656
10652         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10653
10654 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10655
10656         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10657         memory_operand constraint.
10658         (store_conditional_<mode>): Same.
10659         (sync_compare_and_swap<mode>): Same.
10660         (sync_lock_test_and_set<mode>): Same.
10661
10662 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10663
10664         Rewrite PIC support to more closely model actual instructions.
10665         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10666         (cris_symbol): Remove prototypes for removed functions.
10667         (cris_pic_symbol_type_of, cris_valid_pic_const)
10668         (cris_expand_pic_call_address): Prototypes for new functions.
10669         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10670         variable.
10671         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10672         modifiers.
10673         <case ':'>: Add case for new punctuation character.
10674         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10675         emitting (extra) PIC modifier.
10676         <case UNSPEC>: Do not assert for PLT.
10677         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10678         (cris_expand_prologue, cris_expand_epilogue): Check
10679         for pic_offset_table_rtx usage instead of taking
10680         current_function_uses_pic_offset_table as the final word.
10681         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10682         Remove flag_pic difference.
10683         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10684         the moral equivalents of...
10685         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10686         functions.
10687         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10688         (cris_handle_option): Mark ARG as unused.
10689         (cris_expand_pic_call_address): New worker function for "call",
10690         "call_value".
10691         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10692         output PIC constructs here.
10693         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10694         as symbol-specific modifers, not whole or part of operands.
10695         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10696         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10697         constants and flag_pic.
10698         (CONSTANT_INDEX_P): Adjust for new functions.
10699         (enum cris_pic_symbol_type): New helper type.
10700         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10701         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10702         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10703         define_constants.
10704         ("movsi"): Emit actual instructions for GOT and relative access.
10705         ("*movsi_got_load"): New pattern to set up the register holding
10706         the GOT pointer.
10707         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10708         Adjust FIXME for 'S'.
10709         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10710         Use "movs" for -fpic cases.
10711         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10712         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10713         ("call", "call_value"): Just call cris_expand_pic_call_address for
10714         PIC addresses.
10715         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10716         Remove special pattern.
10717         ("*expanded_call_side", "*expanded_call_value_side"): New
10718         patterns.
10719         (gotplt-to-plt, gotplt-to-plt-side-call)
10720         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10721         peephole2:s.
10722         * config/cris/cris/predicates.md
10723         ("cris_general_operand_or_gotless_symbol"): Remove unused
10724         predicate.
10725         ("cris_general_operand_or_symbol"): Adjust for new functions.
10726
10727 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10728
10729         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10730
10731 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10732
10733         * Makefile.in (TREE_H): Add treestruct.def.
10734         (c-decl.o): Add pointer-set.h
10735         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10736         visibility on regular DECL's.
10737         (merge_decls): Fix the copying of decl nodes of various types for
10738         the new structures.  Don't update RTL, section name, weak status,
10739         etc, on DECL's without RTL.
10740         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10741         Don't check volatile on non-variable types.
10742         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10743         to check whether we have seen arguments.
10744         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10745         flag is checked before field (flag is common, field is not).
10746         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10747         TS_DECL_COMMON could have an origin.
10748         (add_location_or_const_value_attribute): Don't check section name
10749         on non-var/function decls.
10750         (dwarf2out_var_location): Reverse order of tests.
10751         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10752         with DECL_WRTL_CHECK.
10753         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10754         * fold-const.c (fold_binary): Don't check weakness on
10755         non-var/function decls.
10756         (tree_expr_nonzero_p): Ditto.
10757         (fold_checksum_tree): Use tree_decl_extra as sizeof
10758         buffer.
10759         * ggc-page.c (extra_order_size_table): Add sizes for
10760         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10761         tree_field_decl.
10762         * gimplify.c (gimplify_bind_expr): Only set
10763         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10764         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10765         without RTL.
10766         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10767         * langhooks.h (init_ts). New langhook.
10768         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10769         * print-tree.c (print_node): Update to only print fields that
10770         exist in the structures the passed decl has.
10771         * toplev.c (wrapup_global_declarations): Don't reset
10772         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10773         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10774         * tree-inline.c (remap_decl): Ditto.
10775         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10776         * tree-pretty-print.c (print_declaration): Don't print
10777         DECL_REGISTER on things that don't contain it.
10778         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10779         non-var/function decls.
10780         * tree.c (tree_contains_struct): New structure.
10781         (init_priority_for_decl): New hashtable.
10782         (tree_int_map): New structure.
10783         (tree_int_map_eq): New function.
10784         (tree_int_map_marked_p): Ditto.
10785         (tree_int_map_hash): Ditto.
10786         (tree_map): Move to tree.h.
10787         (tree_map_eq): Externalize.
10788         (tree_map_hash): Ditto.
10789         (tree_map_marked_p): Ditto.
10790         (init_ttree): Set up tree_contains_struct and call langhook.
10791         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10792         (tree_code_size): Update for new structures.
10793         (tree_node_structure): Update for new structures.
10794         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10795         without the field.
10796         (copy_node_stat):  Copy init priority.
10797         (build_decl_stat): Ditto for visibility.
10798         (ts_enum_names): New.
10799         (tree_contains_struct_check_failed): New function.
10800         (decl_init_priority_lookup): Ditto.
10801         (decl_init_priority_insert): Ditto.
10802         * treestruct.def: New file.
10803         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10804         (CONTAINS_STRUCT_CHECK): Ditto.
10805         (tree_contains_struct_check_failed): New prototype.
10806         (DECL_CHECK): Removed.
10807         (DECL_MINIMAL_CHECK): New.
10808         (DECL_COMMON_CHECK): Ditto.
10809         (DECL_WRTL_CHECK): Ditto.
10810         (DECL_NON_COMMON_CHECK): Ditto.
10811         (DECL_WITH_VIS_CHECK): Ditto.
10812         (VAR_OR_FUNCTION_DECL_P): Ditto
10813         (struct tree_decl_minimal): New structure.
10814         (struct tree_decl_common): Ditto.
10815         (struct tree_decl_with_rtl): Ditto.
10816         (struct tree_decl_with_vis): Ditto.
10817         (struct tree_decl_non_common): Ditto.
10818         (struct tree_field_decl): Ditto.
10819         (struct tree_parm_decl): Ditto.
10820         (struct tree_var_decl): Ditto.
10821         (struct tree_function_decl): Ditto.
10822         (struct tree_const_decl): Ditto.
10823         (struct tree_result_decl): Ditto.
10824         (union tree_node): Add new structures.
10825         * var-tracking.c (track_expr_p): Reverse order of tests.
10826
10827         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10828
10829 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10830
10831         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10832         * system.h: Poison FINALIZE_PIC.
10833         * doc/tm.texi (FINALIZE_PIC): Remove.
10834
10835 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10836
10837         PR tree-opt/22329
10838         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10839         to the correct type if we have a MODIFY_EXPR.
10840
10841 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10842
10843         PR tree-optimization/22360
10844         * tree.c (upper_bound_in_type): Fix calculations for casting
10845         to a non-wider signed type and casting a signed value to a
10846         wider unsigned type.
10847         (lower_bound_in_type): Fix calculations for casting to a
10848         non-wider signed type.
10849
10850         PR tree-optimization/20139
10851         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10852         release_defs.
10853         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10854         fold_cond_expr_cond.
10855         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10856         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10857
10858 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10859
10860         PR tree-opt/22356
10861         * tree-complex.c (expand_complex_libcall): Produce
10862         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10863
10864 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10865
10866         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10867         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10868         b" assert and inserted fastpath code for this case.
10869         (bitmap_ior): Removed "a != b" assert.
10870
10871 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10872
10873         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10874         (ENDFILE_SPEC): Likewise.
10875         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10876
10877         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10878         a large stack frame at epilogue.
10879
10880 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10881
10882         * final.c: Include sdbout.h when required.
10883
10884 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10885
10886         * config.gcc (*-*-darwin*): Only one target-specific header file
10887         for generic darwin.
10888         (powerpc-*-darwin*): Add version-specific header files.
10889         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10890         * config.in: Regenerate.
10891         * configure: Regenerate.
10892         * gcc.c: Include xregex.h.
10893         (version_compare_spec_function): New.
10894         (spec_function): Add version-compare.
10895         (replace_outfile_spec_function): Reformat comment.
10896         (compare_version_strings): New.
10897         * config/darwin-c.c (version_as_macro): New.
10898         (builtin_define): New.
10899         (darwin_cpp_builtins): New.
10900         * config/darwin-protos.h (darwin_cpp_builtins): New.
10901         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10902         (LIB_SPEC): Make unconditional, update comment.
10903         (TARGET_C99_FUNCTIONS): Define.
10904         * config/darwin.opt: Sort.
10905         (mmacosx-version-min=): New.
10906         * config/darwin7.h: Delete.
10907         * config/darwin8.h: Delete.
10908         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10909         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10910         (TARGET_C99_FUNCTIONS): Define.
10911         * config/rs6000/darwin7.h: New.
10912         * config/rs6000/darwin8.h: New.
10913         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10914         (-mmacosx-version-min): Document.
10915
10916 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10917
10918         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10919
10920 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10921
10922         PR middle-end/22239
10923         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10924
10925 2005-07-07  Khem Raj  <kraj@mvista.com>
10926
10927         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10928         in bytes, not words.
10929
10930 2005-07-07  Paul Brook  <paul@codesourcery.com>
10931
10932         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10933         DEFAULT_FUNCTION_ARG_PADDING to upward.
10934
10935 2005-07-07  Richard Henderson  <rth@redhat.com>
10936
10937         * function.c (locate_and_pad_parm): Record parameter alignment in
10938         stack_alignment_needed.
10939
10940 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10941
10942         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10943         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10944         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10945         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10946         (define_attr "type"): Add isync, sync, load_l, store_c.
10947         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10948         Create scratch volatile MEM.
10949         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10950         sync.
10951         (load_locked_<mode>): New.
10952         (store_conditional_<mode>): New.
10953         (sync_compare_and_swap<mode>): Replace with splitter.
10954         (sync_lock_test_and_set<mode>): Replace with splitter.
10955         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10956         and UNSPECV_ISYNC.
10957         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10958         is ics.  Attribute isync.
10959         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10960         lwsync.
10961         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10962         and UNSPECV_SYNC_OP.
10963         (emit_unlikely_jump): New.
10964         (emit_load_locked): New.
10965         (emit_store_conditional): New.
10966         (rs6000_split_compare_and_swap): New.
10967         (rs6000_split_lock_test_and_set): New.
10968         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10969         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10970         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10971         rs6000_split_lock_test_and_set): Declare.
10972         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10973         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10974         store_c, isync, sync.
10975
10976 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10977
10978         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10979         filenames to gtyp-gen.h.
10980         (s-typ-gen): Use it in place of for loops.
10981
10982 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10983
10984         * hooks.c (hook_bool_rtx_int_false): New function.
10985         * hooks.h (hook_bool_rtx_int_false): Declare.
10986         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10987         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10988         * target.h (struct gcc_target): Add commutative_p member.
10989         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10990         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10991         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10992         (pa_commutative_p): New function.
10993         * jump.c (target.h): Include.
10994         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10995         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10996
10997 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10998
10999         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11000         (s390_expand_setmem): New.
11001         * config/s390/s390.c: Likewise.
11002         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11003         Adapt comments.
11004         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11005         general_operand.  Call new function "s390_expand_setmem".
11006         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11007         ("setmem_long", "*setmem_long"): ... this.
11008
11009 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11010
11011         * config/s390/s390.c: (optimization_options): Enable
11012         TARGET_MVCLE at -Os.
11013         * doc/invoke.texi: Document changes in default behaviour.
11014         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11015
11016 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11017
11018         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11019         defined by back-end.
11020
11021 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11022
11023         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11024         all sets in the pattern.
11025         * config/rs6000/rs6000.md (stack_protect_testsi,
11026         stack_protect_testdi): Likewise.
11027
11028 2005-07-06  Jeff Law  <law@redhat.com>
11029
11030         * tree-vrp.c (simplify_using_ranges): Kill.
11031         (vrp_finalize): Remove call to simplify_using_ranges.
11032         (simplify_stmt_using_ranges): New function extracted from
11033         simplify_using_ranges.
11034         (simplify_div_or_mod_using_ranges): Likewise.
11035         (simplify_abs_using_ranges): Likewise.
11036         (simplify_cond_using_ranges): New function.
11037         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11038         * tree-ssa-propagate.c (substitute_and_fold): Call
11039         simplify_stmt_using_ranges if we have range information.
11040
11041 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11042
11043         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11044         ia64_flag_schedule_isns2.
11045
11046         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11047         reading/writing general registers.
11048         (ia64_function_arg): Revert 2005-06-18 change.
11049
11050 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11051
11052         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11053         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11054
11055 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11056
11057         * function.c (expand_function_end): Revert part of 2005-06-27
11058         patch.  Do sjlj_emit_function_exit_after after return_label.
11059
11060 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11061
11062         * doc/install.texi (--disable-libssp): New.
11063
11064 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11065
11066         * doc/invoke.texi: Update -fforce-mem documentation.
11067         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11068         code for -fforce-mem.
11069         * expmed.c: (store_bit_field,store_fixed_bit_field,
11070         extract_bit_field): Ditto.
11071         * expr.c: (convert_move): Ditto.
11072         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11073         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11074         emit_conditional_add,expand_float,expand_fix): Ditto.
11075         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11076         (common_handle_option): Issue warning when -fforce-mem specified.
11077
11078 2005-07-06  Paul Brook  <paul@codesourcery.com>
11079
11080         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11081         argument is empty.
11082         * configure: Regenerate.
11083
11084 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11085
11086         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11087
11088 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11089
11090         Fix PR tree-optimization/22319
11091         Fix PR tree-optimization/22140
11092         Fix PR tree-optimization/22310
11093
11094         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11095         variable sized types.
11096         Use correct type for intermediate structure on *a = *b structure
11097         copies.
11098
11099 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11100
11101         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11102         Remove.
11103         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11104         (machine_function): Move typedef to...
11105         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11106         varargs_save_offset field.
11107         (rs6000_stack_t): Remove varargs_size field.
11108         (setup_incoming_varargs): Allocate varargs save area using
11109         assign_stack_local, try to make it as small as possible.
11110         Save offset from virtual_stack_vars_rtx to the save area
11111         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11112         instead of magic 8 when fp word byte size is used.
11113         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11114         instead of -RS6000_VARARGS_SIZE.
11115         (rs6000_stack_info, debug_stack_info,
11116         rs6000_initial_elimination_offset): Remove all traces of
11117         varargs_size.
11118         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11119         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11120         RS6000_VARARGS_AREA.
11121
11122 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11123
11124         PR tree-optimization/21963
11125         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11126         constant_multiple_of in the same way get_computation_cost_at does.
11127
11128 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11129
11130         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11131         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11132         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11133         and return its previous value.
11134         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11135         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11136         constants.
11137         (stack_protect_set, stack_protect_test): New expanders.
11138         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11139         stack_protect_testdi): New insns.
11140         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11141         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11142
11143 2005-07-06  Jeff Law  <law@redhat.com>
11144
11145         * tree-ssa-dce.c (cfg_altered): New global.
11146         (tree_dce_init): Initialize cfg_altered.
11147         (remove_dead_stmt): If we remove an edge in the CFG, then set
11148         CFG_ALTERED.
11149         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11150         the dominators.
11151
11152 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11153
11154         * Makefile.in (stamp-collect-ld): Use
11155         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11156         ./collect-ld if it already exists.
11157         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11158         Don't remove ./nm if it already exists.
11159
11160 2005-07-05  Devang Patel  <dpatel@apple.com>
11161
11162         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11163         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11164         * tree-vectorizer.c (vect_loop_location): New.
11165         (vect_print_dump_info): Use vect_loop_location.
11166         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11167         (vectorize_loops): Set vect_loop_location.
11168         * tree-vect-analyze.c (vect_analyze_offset_expr,
11169         vect_determin_vectorization_factor, vect_analyze_operations,
11170         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11171         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11172         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11173         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11174         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11175         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11176         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11177         vect_analyze_loop): Adjust vect_print_dump_info API.
11178         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11179         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11180         vect_finish_stmt_generation, vectorizable_assignment,
11181         vectorizable_operation, vectorizable_store, vectorizable_load,
11182         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11183         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11184         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11185         vect_transform_loop): Same.
11186         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11187         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11188         Same.
11189
11190 2005-07-05  Randolph Chung  <tausq@debian.org>
11191
11192         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11193         * configure: Regenerate.
11194         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11195         (pa_tls_referenced_p): Declare.
11196         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11197         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11198         (legitimize_tls_address): New.
11199         (hppa_legitimize_address): Handle TLS addresses.
11200         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11201         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11202         (emit_move_sequence): Handle TLS addresses.
11203         (pa_encode_section_info): Call default handler to handle common
11204         sections.
11205         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11206         (CONSTANT_ADDRESS_P): Reject TLS operands.
11207         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11208         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11209         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11210         (UNSPEC_TLSLE): Define new constants.
11211         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11212         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11213         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11214         (tie_symbolic_operand, tle_symbolic_operand): New
11215
11216 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11217
11218         * aclocal.m4: Update macros for autoconf 2.59 style.
11219         * configure.ac: Likewise.
11220
11221 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11222
11223         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11224         (function_arg): Pass small aggregates in general registers on 32-bit
11225         targets.
11226         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11227
11228 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11229
11230         * Makefile.in (final.o): Fix dependencies.
11231
11232 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11233
11234         PR c/22013
11235         PR c/22098
11236         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11237         * langhooks.c (lhd_expr_to_decl): New.
11238         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11239         New.
11240         (LANG_HOOKS_INITIALIZER): Update.
11241         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11242         expr_to_decl langhook.
11243         * c-tree.h (c_expr_to_decl): Declare.
11244         * c-typeck.c (c_expr_to_decl): New.
11245         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11246         specially.
11247         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11248
11249 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11250
11251         PR c/22308
11252         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11253         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11254
11255 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11256
11257         * Makefile.in: Adjust dependencies.
11258         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11259         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11260         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11261         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11262         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11263         rest_of_compilation.
11264
11265         * bb-reorder.c (gate_duplicate_computed_gotos,
11266         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11267         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11268         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11269         pass_partition_blocks): New.
11270         * bt-load.c (gate_handle_branch_target_load_optimize,
11271         rest_of_handle_branch_target_load_optimize,
11272         pass_branch_target_load_optimize): New.
11273         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11274         pass_jump2): New.
11275         * cfglayout.c (pass_insn_locators_initialize): New.
11276         * cfgrtl.c (pass_free_cfg): New.
11277         * combine.c (gate_handle_combine, rest_of_handle_combine,
11278         pass_combine): New.
11279         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11280         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11281         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11282         * except.c (pass_set_nothrow_function_flags,
11283         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11284         pass_rtl_eh): New.
11285         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11286         rest_of_handle_shorten_branches, pass_shorten_branches,
11287         rest_of_clean_state, pass_clean_state): New.
11288         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11289         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11290         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11291         pass_flow2): New.
11292         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11293         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11294         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11295         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11296         pass_gcse): New.
11297         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11298         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11299         pass_rtl_ifcvt, gate_handle_if_after_combine,
11300         rest_of_handle_if_after_combine, pass_if_after_combine,
11301         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11302         pass_if_after_reload): New.
11303         * integrate.c (pass_initial_value_sets): New.
11304         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11305         pass_purge_lineno_notes): New.
11306         * mode-switching.c (rest_of_handle_mode_switching,
11307         pass_mode_switching): New.
11308         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11309         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11310         pass_loop2): New.
11311         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11312         pass_loop_optimize): New.
11313         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11314         pass_sms): New.
11315         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11316         pass_gcse2): New.
11317         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11318         pass_postreload_cse): New.
11319         * profile.c (gate_handle_profiling, pass_profiling,
11320         rest_of_handle_branch_prob, pass_branch_prob): New.
11321         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11322         pass_split_before_regstack, gate_handle_split_before_regstack,
11323         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11324         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11325         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11326         pass_stack_regs): New.
11327         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11328         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11329         pass_stack_adjustments): New.
11330         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11331         pass_regrename): New.
11332         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11333         pass_delay_slots, gate_handle_machine_reorg,
11334         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11335         * rtl.h (extern void purge_line_number_notes): New.
11336         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11337         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11338         pass_sched2): New.
11339         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11340         pass_tracer): New.
11341         * value-prof.c (gate_handle_value_profile_transformations,
11342         rest_of_handle_value_profile_transformations,
11343         pass_value_profile_transformations): New.
11344         * var-tracking.c (gate_handle_var_tracking,
11345         pass_variable_tracking): New.
11346         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11347
11348         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11349         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11350         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11351         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11352         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11353         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11354         rest_of_handle_gcse2, rest_of_handle_regmove,
11355         rest_of_handle_tracer, rest_of_handle_if_conversion,
11356         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11357         rest_of_handle_web, rest_of_handle_branch_prob,
11358         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11359         rest_of_handle_jump_bypass, rest_of_handle_combine,
11360         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11361         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11362         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11363         rest_of_handle_mode_switching, rest_of_handle_jump,
11364         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11365         rest_of_handle_flow2, rest_of_handle_jump2,
11366         rest_of_handle_peephole2, rest_of_handle_postreload,
11367         rest_of_handle_shorten_branches, rest_of_clean_state,
11368         rest_of_compilation): Remove.
11369
11370         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11371         * passes.c (dump_flags, in_gimple_form, all_passes,
11372         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11373         register_dump_files, next_pass_1, last_verified, execute_todo,
11374         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11375         from tree-optimize.c.
11376         (init_optimization_passes): Moved from tree-optimize.c,
11377         adding the RTL optimizations.
11378         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11379         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11380         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11381         register_dump_files, next_pass_1, last_verified, execute_todo,
11382         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11383         init_tree_optimization_passes, ipa_passes): Delete.
11384         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11385         the RTL dumps.
11386         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11387         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11388         from tree.h.
11389         (ipa_passes): Remove.
11390         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11391         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11392         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11393         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11394         (dump_info_p, dump_flag): Moved to tree-dump.h.
11395
11396         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11397         cgraph.c, opts.c.
11398         * passes.c (finish_optimization_passes): Use dump_begin
11399         and dump_end, TDI_end.
11400         (gate_rest_of_compilation): New.
11401         (pass_rest_of_compilation): Use it.
11402         (gate_postreload, pass_postreload): New.
11403         * toplev.c (general_init): Rename init_tree_optimization_passes.
11404         * toplev.h (init_tree_optimization_passes): Rename to
11405         init_optimizations_passes.
11406         * tree-dump.c (dump_flag): Make static.
11407         (dump_files): Remove RTL dumps.
11408         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11409         pass_cleanup_cfg, pass_free_cfg_annotations,
11410         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11411         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11412         * tree-pretty-print.c: Include tree-pass.h.
11413         * cgraph.c: Include tree-dump.h.
11414
11415 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11416
11417         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11418         Only fall back to saying it points to readonly memory if
11419         we can't do better.
11420
11421 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11422
11423         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11424         * config/m32r/m32r.c (m32r_compute_frame_size,
11425         m32r_expand_prologue): Take current_function_profile into
11426         account whenever we reference
11427         current_function_uses_pic_offset_table.
11428         (m32r_finalize_pic): Remove.
11429         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11430
11431 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11432
11433         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11434         instead of $<.  Don't remove ./as if it already exists.
11435
11436 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11437
11438         PR target/21723
11439         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11440         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11441         for complex modes when generating code for PA 1.0.
11442         (VALID_FP_MODE_P): New macro.
11443         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11444         sets for all general and floating point modes.  Align wide floating
11445         point modes to even register boundaries to comply with architectural
11446         requirements.
11447         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11448         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11449         (VALID_FP_MODE_P): New macro.
11450         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11451         sets for all general and floating point modes.  Align wide floating
11452         point modes to even register boundaries to comply with architectural
11453         requirements.
11454
11455 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11456
11457         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11458         to 0.
11459
11460 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11461
11462         * tree-ssa-structalias.c: Don't include expr.h.
11463
11464 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11465
11466         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11467         comments.
11468
11469 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11470
11471         Fix PR tree-optimization/22279
11472
11473         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11474         correct operator.
11475
11476 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11477
11478         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11479
11480 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11481
11482         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11483         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11484         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11485         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11486         config/stormy16/stormy16.c, config/v850/v850.c,
11487         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11488         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11489         Avoid "." or "\n" at end of diagnostics and capital letters at
11490         start of diagnostics.
11491         * combine.c, cse.c: Don't translate dump file output.
11492         * toplev.c (print_version): Only translate output if going to
11493         stderr.
11494
11495 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11496
11497         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11498         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11499         typos.
11500
11501 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11502
11503         * pa.c (fix_range): Fix typo in comment.
11504
11505 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11506
11507         * tree-vrp.c (extract_range_from_assert): Replace
11508         fold (build (...)) with fold_build2.
11509
11510 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11511
11512         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11513         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11514         (format_types_orig, handle_format_attribute): Add support for
11515         format "gcc_gfc".
11516
11517 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11518
11519         * varasm.c (assemble_variable): Fix format specifier thinko.
11520
11521 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11522
11523         PR tree-optimization/22029 (and 22135)
11524         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11525         a phi node before calling dump_vops.
11526
11527 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11528
11529         * tree-dump.h (dump_string_field): Declare.
11530         * tree-dump.c: Use it instead of dump_string.
11531         (dump_string_field): Make non-static.
11532
11533 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11534
11535         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11536         up the minimal CFG stuff always when optimize > 0.  Call
11537         split_all_insns_noflow in PIC case if needed.
11538
11539 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11540             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11541
11542         PR c++/18279
11543         * c-decl.c (c_write_global_declarations): Dump contents of
11544         external scope to.
11545         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11546         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11547         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11548         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11549         is enabled.
11550
11551 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11552
11553         * c-common.h (GCC_DIAG_STYLE): Define.
11554         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11555         version for format checking to 4.1.
11556         * c-format.c: Include toplev.h after c-common.h.
11557         (enum format_type): Add gcc_tdiag_format_type.
11558         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11559         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11560         (format_types_orig): Add gcc_tdiag.
11561         (init_dynamic_diag_info): Support gcc_tdiag formats.
11562         (handle_format_attribute): Likewise.
11563         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11564         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11565         version for format checking to 4.1.
11566         (warning0, warning, error, pedwarn, sorry): Use
11567         ATTRIBUTE_GCC_DIAG.
11568         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11569         (finish_aliases_1): Do not use %qE.
11570         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11571         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11572         Correct format bugs.
11573         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11574         parameter to unsigned HOST_WIDE_INT.
11575         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11576
11577 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11578
11579         PR middle-end/21742
11580         * expr.c (write_complex_part): Use adjust_address for MEM.
11581         (read_complex_part): Same.
11582
11583 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11584
11585         Fix PR tree-optimization/22280
11586
11587         * tree-sra.c (generate_element_init): Remove useless loop.
11588
11589 2005-07-02  Richard Henderson  <rth@redhat.com>
11590
11591         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11592         TLS_MODEL_NONE.
11593         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11594
11595 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11596
11597         PR middle-end/14490
11598         * fold-const.c (fold_binary): Handle the return value of
11599         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11600         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11601
11602 2005-07-02  Jeff Law  <law@redhat.com>
11603
11604         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11605         a eliminate type conversion which feeds an equality comparison
11606         if the original type or either operand in the comparison is a
11607         function pointer.
11608
11609 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11610
11611         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11612         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11613         texts.
11614         * config/avr/avr.c: Do not use '`' as left quote.
11615         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11616         Remove "." from end of diagnostics.  Make diagnostics start with
11617         lowercase letter.
11618
11619 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11620             Joseph S. Myers  <joseph@codesourcery.com>
11621
11622         * toplev.c (default_tree_printer): Handle setting location with
11623         '+' flag.
11624         * c-objc.common.c (c_tree_printer): Likewise.
11625         * c-format.c (gcc_diag_flag_specs): Add '+'.
11626         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11627         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11628         formats.
11629         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11630         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11631         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11632         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11633         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11634         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11635         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11636         format arguments where %J is used without %D.
11637
11638 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11639
11640         * gcc.c (LINK_SSP_SPEC): Define.
11641         (link_ssp_spec): New variable.
11642         (LINK_COMMAND_SPEC): Add %(link_ssp).
11643         (static_specs): Add link_ssp_spec.
11644         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11645         * configure: Rebuilt.
11646         * config.in: Rebuilt.
11647
11648         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11649         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11650         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11651         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11652         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11653         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11654         -0x7008(2) instead of reading __stack_chk_guard variable.
11655         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11656         number.
11657         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11658         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11659         if TARGET_THREAD_SSP_OFFSET is defined.
11660         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11661         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11662
11663         Revert:
11664         2005-06-27  Richard Henderson  <rth@redhat.com>
11665         * libgcc-std.ver (GCC_4.1.0): New.
11666         * libgcc.h (__stack_chk_guard): Declare.
11667         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11668         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11669         * mklibgcc.in (lib2funcs): Add them.
11670
11671 2005-07-01  Richard Henderson  <rth@redhat.com>
11672
11673         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11674         void * before struct sigcontext *.
11675         (x86_fallback_frame_state): Likewise.
11676
11677 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11678
11679         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11680
11681 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11682
11683         PR tree-opt/22269
11684         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11685         we check for SSA_NAME for.
11686
11687 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11688
11689         Fix PR tree-optimization/22071
11690
11691         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11692         function.
11693         (get_constraint_for_component_ref): Use it.
11694
11695 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11696
11697         PR other/22264
11698         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11699         print out the last new line.
11700
11701 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11702
11703         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11704         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11705         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11706         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11707         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11708         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11709         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11710         (enum reg_class): New member CC0_REGS.
11711         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11712         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11713         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11714         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11715         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11716         Adjust for register now described.
11717
11718 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11719
11720         PR target/22262
11721         * config/i386/i386.md (stack_protect_test_si,
11722         stack_protect_test_di): Add earlyclobber for scratch 3.
11723         * config/rs6000/rs6000.md (stack_protect_testsi,
11724         stack_protect_testdi): Add earlyclobber for scratch 3,
11725         remove earlyclobber from scratch 4.
11726
11727 Older entries for 2005 can be found in ChangeLog-2005.