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* struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
2
3         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
4         PARALLELs with a mode.
5
6 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
7
8         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
9         cond_expr parameter.
10
11 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
12
13         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
14
15 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
16
17         PR bootstrap/25397:
18
19         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
20         of STACK_REGS bits.
21
22         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
23
24 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
25
26         PR target/25254
27         PR target/24188
28         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
29         DECL_P, call get_section rather than get_named_section.  Supply
30         section flags to it.
31
32 2005-12-14  Ben Elliston  <bje@au.ibm.com>
33
34         * c-common.c (c_common_truthvalue_conversion): Generalise warning
35         for addresses converted to booleans; not just function addresses.
36         * c-typeck.c (build_binary_op): Warn for address comparisons which
37         can never be NULL (eg. func == NULL or &var == NULL).
38         * common.opt (Walways-true): New option.
39         * c-opts.c (c_common_handle_option): Set it with -Wall.
40         * doc/invoke.texi: Document it.
41
42 2005-12-13  Paul Brook  <paul@codesourcery.com>
43
44         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
45         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
46
47 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
48
49         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
50         (EXTRA_MULTILIB_PARTS): Define.
51
52 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
53
54         PR rtl-optimization/20070 / part1
55         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
56         count_or_remove_death_notes with kill == -1.
57         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
58         registers if PROP_POST_REGSTACK is set.
59         (mark_used_reg): Likewise.
60         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
61         REG_UNUSED notes for stack regs.
62         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
63         to match rtx_equiv_p machinery.  Change caller.
64         (outgoing_edges_match): Likewise.
65         (try_crossjump_to_edge): Use struct_equiv_block_eq
66         instead of flow_find_cross_jump.
67         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
68         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
69         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
70         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
71         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
72         (insns_match_p): Update prototype.
73         (flow_find_cross_jump): Remove prototype.
74         (struct_equiv_block_eq, struct_equiv_init): Declare.
75         (rtx_equiv_p, condjump_equiv_p): Likewise.
76         * struct-equiv.c: Include reload.h.
77         (IMPOSSIBLE_MOVE_FACTOR): Define.
78         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
79         (struct_equiv_improve_checkpoint): Likewise.
80         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
81         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
82         (struct_equiv_merge, find_dying_input): Likewise.
83         (resolve_input_conflict, note_local_live): Likewise.
84         (death_notes_match_p): Change parameters and processing
85         to match rtx_equiv_p machinery.  Change caller.
86         (insns_match_p): Likewise.
87         (flow_find_cross_jump): Replace with:
88         (struct_equiv_block_eq).
89
90         Back out this change:
91         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
92           * recog.c (verify_changes): Make it static.
93           * recog.h: Remove the corresponding prototype.
94
95 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
96
97         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
98         values.
99
100 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
101
102         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
103         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
104         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
105         TARGET_MS1_64_001 appropriately.
106         (ms1_machine_reorg): Use TARGET_MS2.
107
108 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
109
110         PR debug/25023
111         PR target/25293
112         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
113         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
114         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
115         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
116         Set mode to SI, adjust constraints.
117         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
118         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
119         32-bit code.
120
121 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
122
123         * c-cppbuiltin.c (builtin_define_float_constants): Add
124         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
125         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
126         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
127         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
128         to "((double)%sL)" otherwise "%s".
129
130 2005-12-13  Paul Brook  <paul@codesourcery.com>
131
132         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
133         apcs/atpcs.
134
135 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
136
137         * tree-flow.h: Allow compilation with a C++ compiler.
138         (struct edge_prediction): Prefix all field names  with "ep_".
139         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
140         (tree_predict_edge, combine_predictions_for_bb): Likewise.
141         (remove_predictions_associated_with_edge): Likewise.
142         
143 2005-12-12  Jeff Law  <law@redhat.com>
144
145         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
146         reassociation code.
147         * passes.c (init_optimization_passes): Run reassociation again
148         after loop optimizations.
149
150 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
151
152         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
153         if necessary.
154         (optimize_stmt): Ditto.
155         (canonicalize_comparison): New function.
156         * tree-ssa-operands.c (swap_tree_operands): Make external.
157         (get_expr_operands): Stop auto-canonicalization.
158         * tree-ssa-reassoc.c: Rewrite.
159         (init_optimization_passes): 
160         * tree-flow.h (swap_tree_operands): Prototype.
161         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
162
163 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
164
165         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
166         indicate function epilogue has been output.
167         (pa_asm_output_mi_thunk): Likewise.
168         (output_deferred_plabels): Put plabels in readonly data section when
169         not generating PIC code.
170         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
171         information.  Add assert.
172         (som_output_comdat_data_section_asm_op): New function.
173         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
174         instead of output_section_asm_op for COMDAT sections.
175
176 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
177
178         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
179         Fix whitespace in vincinity of to-be-installed changes.
180         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
181         (insns_match_p): Likewise.
182
183 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
184
185         * config.gcc (ms1): Replace with ...
186         (mt): ... this.
187         * config/ms1: Rename to ...
188         * config/mt: ... here.  Rename ms1 files to mt.
189         * config/mt/mt.c: Adjust gt-mt.h #include.
190         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
191         (crti.o, crtn.o): Adjust file names.
192
193 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
194
195         * varray.h: Allow compilation with a C++ compiler.
196         (union varray_data_tag): Prefix all field names with "vdt_".
197         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
198         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
199         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
200         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
201         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
202         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
203         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
204         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
205         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
206         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
207         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
208         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
209         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
210         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
211         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
212         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
213         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
214         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
215         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
216         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
217         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
218         VARRAY_TOP_TREE_PTR): Likewise.
219         * varray.c (varray_grow): Likewise.
220         (varray_clear): Likewise.
221
222 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
223
224         PR target/25299
225         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
226         alignment to doubleword if the first field is a double array.
227         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
228
229 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
230
231         * tree-ssa-structalias.c (process_constraint): Remove code to
232         transform addressofs into scalar.
233         (create_variable_info_for): In whole-program IPA, globals don't
234         point to ANYTHING by default.
235
236 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
237
238         * timevar.def (TV_IPA_PTA): New.
239         * tree-pass.h (pass_ipa_pta): New
240         * tree-ssa-structalias.c: Include cgraph.h
241         (in_ipa_mode): New.
242         (predbitmap_obstack): New.
243         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
244         (struct constraint_stats): Add num_edges.
245         (new_var_info): Don't call bitmap_clear.
246         (struct constraint_edge): Update docs.
247         (new_constraint_edge): Remove src param.
248         (struct constraint_graph): Add zero_weight_succs,
249         zero_weight_preds.  Update docs.
250         (constraint_expr_equal): Reformat.
251         (constraint_edge_equal): Update for removal of src.
252         (constraint_edge_less): Ditto.
253         (constraint_edge_vec_find): Ditto.
254         (erase_graph_self_edge): Update for removal of src and and zero
255         weight bitmap.
256         (clear_edges_for_node): Ditto.
257         (add_graph_edge): Ditto.
258         (get_graph_weights): Ditto.
259         (allocate_graph_weights): Ditto.
260         (merge_graph_nodes): Ditto.
261         (int_add_graph_edge): Ditto.
262         (valid_graph_edge): Ditto.
263         (valid_weighted_graph_edge): Ditto.
264         (build_constraint_graph): Ditto.
265         (scc_visit): Ditto.
266         (collapse_nodes): Ditto.
267         (process_unification_queue): Ditto.
268         (topo_visit): Ditto.
269         (solve_graph): Ditto.
270         (do_structure_copy): Ditto.
271         (perform_var_substitution): Ditto.
272         Init and release obstack.
273         (handle_ptr_arith): Try to resolve directly.
274         (find_func_aliases): Don't call update_alias_info here
275         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
276         (do_sd_constraint): Add code for propagating faster.
277         Update.
278         (do_ds_constraint): Ditto.
279         (count_num_arguments): New function.
280         (create_function_info_for): Ditto.
281         (create_variable_info_for): Handle FUNCTION_DECL.
282         (intra_create_variable_infos): Use make_constraint_to_anything.
283         (init_alias_vars): Init obstacks here.
284         (need_to_solve): Handle zero weight graph changes.
285         (compute_points_to_sets): Call update_alias_info here.
286         (delete_points_to_sets): Free zero weight preds/succs here.
287         (gate_ipa_pta): New.
288         (ipa_pta_execute): New
289
290 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
291
292         * tree-ssa-structalias.c (var_anyoffset): Removed.
293         (anyoffset_tree): Ditto.
294         (anyoffset_id): Ditto.
295         (do_deref): Take vector of constraints, no return value.
296         Update to work on vector.                
297         (get_constraint_for): Ditto.
298         (get_constraint_for_component_ref): Ditto.
299         (do_structure_copy): Ditto.
300         (handle_ptr_arith): Ditto.
301         (find_func_aliases): Ditto.
302         (set_uids_in_ptset): Remove anyoffset handling.
303         (init_base_vars): Ditto.
304
305 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
306
307         PR c++/25010
308         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
309         DECL_EXTERNAL functions have no bodies.  Tidy.
310
311 2005-12-10  Andreas Schwab  <schwab@suse.de>
312
313         * except.c (switch_to_exception_section): Only define if
314         TARGET_UNWIND_INFO is not defined.
315
316 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
317
318         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
319         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
320
321 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
322
323         * output.h (init_section, fini_section): Delete.
324         * varasm.c (init_section, fini_section): Delete.
325         (init_varasm_once): Don't initialize them.
326         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
327         there are no corresponding varasm.c variables.
328
329 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
330
331         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
332         of EH_FRAME_SECTION_NAME into...
333         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
334         if it is still null.
335         * except.c (default_exception_section): Delete, moving most
336         of the code to...
337         (switch_to_exception_section): ...this new function.  Set
338         exception_section if it is still null, then switch to it.
339         (output_function_exception_table): Use switch_to_exception_section.
340         * varasm.c (exception_section, eh_frame_section): Update comments.
341         (get_section): Hoist use of SECTION_NAMED.
342         (init_varasm_once): Don't set exception_section and eh_frame_section.
343         * output.h (default_exception_section): Delete.
344         (default_eh_frame_section): Delete.
345
346 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
347
348         * config/bfin/bfin.c: Include "cgraph.h".
349         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
350         Return the reg that holds the pointer to the GOT.
351         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
352         doing stack checking.
353
354 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
355
356         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
357         recompute_tree_invarant_for_addr_expr.
358         Update uses everywhere.
359
360 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
361
362         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
363         (MULTILIB_DIRNAMES): Define.
364
365 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
366
367         PR target/25311
368         * config/s390/s390.c (struct s390_address): New field literal_pool.
369         (s390_decompose_address): Compute literal_pool field.  Do not 
370         assume register %r13 is always (and solely) used as pool base.
371         (s390_extra_constraint_str): Use literal_pool field.
372
373 2005-12-09  Thiemo Seufer  <ths@networkno.de>
374
375         * config/mips/mips.c (override_options): Don't allow too small
376         integers in FP registers.
377
378 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
379
380         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
381         targetm.binds_local_p to check for local function calls.
382
383 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
384
385         PR debug/24908
386         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
387         call_used_regs can't be used to save reg in another reg.
388
389 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
390             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
391
392         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
393         abort.
394         * except.c (output_ttype): Likewise.
395         * tree-object-size.c (collect_object_sizes_for): Likewise.
396         (check_for_plus_in_loops_1): Likewise.
397         (check_for_plus_in_loops): Likewise.
398         (compute_object_sizes): Use gcc_unreachable instead of abort.
399
400 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
401
402         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
403         (loop_end, loop_init, doloop_end): New insns.
404         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
405         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
406         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
407         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
408         * config/ms1/ms1.c: #include basic-block.h
409         (struct machine_function): Add has_loops field.
410         (ms1_add_loop): New.
411         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
412         (struct loop_info, struct loop_work): New.
413         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
414         (ms1_reorg_loops): New loop optimization.
415         (ms1_machine_reorg): Call it.
416         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
417
418 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
419
420         PR tree-optimization/25248
421         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
422         evolution_of_loop from the failed attempt.  Remove handling
423         of MULT_EXPR.
424
425 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
426
427         * tree.h (DECL_EXTERNAL): Clarify documentation.
428
429 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
430             Jakub Jelinek  <jakub@redhat.com>
431
432         PR target/25268
433         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
434         argument.  Don't drop outer ANDs.
435         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
436         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
437         prototype.
438         * config/s390/predicates.md (setmem_operand): Remove.
439         (shift_count_operand): Rename to...
440         (shift_count_or_setmem_operand): ... this.  Adjust
441         s390_decompose_shift_count caller.
442         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
443         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
444         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
445         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
446         rotl<mode>3_and, setmem_long_and): New insns.
447         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
448         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
449         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
450         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
451         of shift_count_operand.
452         (setmem_long): Use shift_count_or_setmem_operand instead of
453         setmem_operand.
454
455 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
456             Andreas Tobler  <a.tobler@schweiz.ch>
457
458         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
459         tr expression.
460
461 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
462
463         * expr.c (force_operand): Use convert_to_mode for conversions.
464
465 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
466
467         * reload.h (reg_equiv_invariant): Declare.
468         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
469         register also when reg_equiv_invariant[R] is set.
470
471 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
472             Andreas Tobler  <a.tobler@schweiz.ch>
473
474         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
475
476 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
477
478         * tree-ssa-pre.c (bitmap_set_and): New function.
479         (bitmap_set_and_compl): New function.
480         (bitmap_set_empty_p): New function.
481         (insert_extra_phis): New function.
482         (compute_avail): Use insert_extra_phis.
483
484 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
485
486         * config/s390/s390.c (s390_expand_atomic): New function.
487         Adjust comment of helper functions.
488         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
489         * config/s390/s390.md ("ATOMIC"): New code macro.
490         ("atomic"): Corresponding new code attribute.
491         ("sync_lock_test_and_set[hq]i", 
492         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
493
494 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
495
496         * config/s390/s390.c (s390_expand_mask_and_shift, 
497         struct alignment_context, init_alignment_context, 
498         s390_expand_cs_hqi): New.
499         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
500         * config/s390/s390.md ("sync_compare_and_swaphi",
501         "sync_compare_and_swapqi"): New pattern.
502
503 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
504
505         Fix PR tree-optimization/25291
506         * tree-ssa-operands.c (add_call_clobber_ops): Remove
507         redundant and crashing check.
508
509 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
510
511         PR target/25212
512         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
513         tests further when !strict && reload_in_progress.
514         (print_operand): Check that both operands of indexed address are regs.
515         (print_operand_address): Likewise.
516         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
517         (INT_REG_OK_FOR_BASE_P): Correct.
518
519 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
520
521         Preparation for PR rtl-optimization/20070 / part1
522         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
523         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
524         outgoing_edges_match.
525         (outgoing_edges_match): Use condjump_equiv_p.
526         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
527         into..
528         * struct-equiv.c: New file.
529         (death_notes_match_p) New function, broken out of insns_match_p.
530         * Makefile.in (OBJS-common): Add struct-equiv.o.
531         (struct-equiv.o): New target.
532
533 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
534
535         * coretypes.h: Revert previous change.
536         * config/darwin.h: Revert previous reversion.
537         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
538
539 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
540
541         * coretypes.h (section): Provide dummy definition for target files.
542         * config/darwin.h: Revert previous change.
543
544 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
545
546         * doc/sourcebuild.texi (all.build, install-normal): Remove.
547         * configure.ac: Remove all.build and install-normal from target_list
548         * configure: Regenerate.
549         * Makefile.in (install): Don't depend on install-normal.
550
551 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
552
553         * Makefile.in: Document the use of stamps.
554
555 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
556
557         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
558         * Makefile.in: Add code to compute some dependencies on s-gtype
559         automatically.  Remove the declaration of those dependencies.
560
561 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
562
563         * gcc/reload.c (push_secondary_reload): Fix typo:
564         s/insn_constraint/scratch_constraint/.
565
566 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
567
568         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
569
570 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
571
572         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
573         (alpha_elf_select_rtx_section): Return the selected section rather
574         than emitting assembly code.
575         (alpha_write_linkage): Emit a ".link" directive directly and then
576         set in_section to NULL.
577         (vms_asm_out_constructor): Use switch_to_section.
578         (vms_asm_out_destructor): Likewise.
579         (unicosmk_output_common): Set in_section to NULL instead of calling
580         the dummy common_section function.
581         (unicosmk_text_section): Delete in favor of...
582         (unicosmk_output_text_section_asm_op): ...this new function.
583         (unicosmk_data_section): Delete in favor of...
584         (unicosmk_output_data_section_asm_op): ...this new function.
585         (unicosmk_init_sections): New function.
586         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
587         (unicosmk_output_ssib): Set in_section to NULL instead of calling
588         the dummy ssib_section function.
589         (unicosmk_section_buf): Delete.
590         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
591         (unicosmk_data_section): Delete.
592         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
593         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
594         (SECTION_FUNCTION_TEMPLATE): Delete.
595         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
596         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
597         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
598         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
599         (TARGET_ASM_INIT_SECTIONS): Define.
600         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
601         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
602         (link_section, literals_section): Delete.
603         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
604         set in_section to NULL.
605
606         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
607         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
608         (COMMON_SECTION): Delete.
609         (TARGET_ASM_INIT_SECTIONS): Define.
610         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
611         the dummy common_section function.
612         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
613         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
614         between readonly_data_section and text_section to check whether
615         read-only data is being put in the text section.
616         (arm_output_function_epilogue): Use switch_to_section.
617         (arm_elf_asm_constructor): Likewise.
618         (thumb_call_via_reg): Replace call to in_text_section with
619         a comparison between in_section and text_section.
620         (arm_file_end): Use switch_to_section.
621         (aof_text_section): Delete in favor of...
622         (aof_output_text_section_asm_op): ...this new function.
623         (aof_data_section): Delete in favor of...
624         (aof_output_data_section_asm_op): ...this new function.
625         (aof_asm_init_sections): New function.
626         (zero_init_section): Moved from config/arm/aof.h.
627         (aof_dump_imports, aof_file_start): Use switch_to_section.
628         * config/arm/arm.h (thumb_call_via_label): Update comment.
629         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
630         (common_section): Delete.
631         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
632         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
633         global switch_to_section function instead of the old port-local one.
634         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
635         (SWITCH_TO_SECTION_FUNCTION): Delete.
636         (drectve_section): Redefine as a macro.
637         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
638         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
639         switch_to_section.
640
641         * config/avr/avr.c (progmem_section): New variable.
642         (avr_output_progmem_section_asm_op): New function.
643         (avr_asm_init_sections): New function.
644         (avr_output_addr_vec_elt): Use switch_to_section.
645         * config/avr/avr.h (progmem_section): Declare.
646         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
647         (READONLY_DATA_SECTION): Delete.
648         (TARGET_ASM_INIT_SECTIONS): Define.
649         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
650         * config/avr/avr-protos.h (progmem_section): Delete.
651
652         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
653
654         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
655         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
656
657         * config/darwin-sections.def: New file.
658         * config/darwin.c: Define all sections in darwin-sections.def.
659         (output_objc_section_asm_op, darwin_init_sections): New functions.
660         (machopic_output_indirection): Use switch_to_section.
661         (machopic_select_section): Return the selected section rather than
662         emitting assembly code.  Replace the static function table with
663         inline conditional expressions.  Update the tests of last_text_section
664         and move them into the FUNCTION_DECL block.
665         (machopic_select_rtx_section): Return the selected section rather than
666         emitting assembly code.
667         (machopic_asm_out_constructor, machopic_asm_out_destructor)
668         (darwin_file_end): Use switch_to_section.
669         * config/darwin.h: Use darwin-sections.def to declare sections.
670         (INIT_SECTION_ASM_OP): Remove empty definition.
671         (HAS_INIT_SECTION): Define this instead.
672         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
673         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
674         (TARGET_ASM_EH_FRAME_SECTION): Delete.
675         (TARGET_ASM_INIT_SECTIONS): Define.
676         * config/darwin-protos.h (darwin_init_sections): Declare.
677         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
678         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
679         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
680         (constructor_section, destructor_section, mod_init_section): Delete.
681         (mod_term_section): Delete.
682         (darwin_exception_section, darwin_eh_frame_section): Delete.
683         (machopic_select_section): Return a section.
684         (machopic_select_rtx_section): Likewise.
685         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
686         (const_section, const_coal_section, const_data_section): Delete.
687         (const_data_coal_section, data_coal_section, cstring_section): Delete.
688         (literal4_section, literal8_section, constructor_section): Delete.
689         (mod_init_section, mod_term_section, destructor_section): Delete.
690         (objc_class_section, objc_meta_class_section, objc_category_section)
691         (objc_class_vars_section, objc_instance_vars_section): Delete.
692         (objc_cls_meth_section, objc_inst_meth_section): Delete.
693         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
694         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
695         (objc_symbols_section, objc_module_info_section): Delete.
696         (objc_image_info_section, objc_protocol_section): Delete.
697         (objc_string_object_section, objc_constant_string_object_section)
698         (objc_class_names_section, objc_meth_var_names_section): Delete.
699         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
700         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
701         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
702         (darwin_exception_section, darwin_eh_frame_section): Delete.
703         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
704
705         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
706         (frv_asm_out_destructor): Likewise.
707         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
708         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
709         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
710         get_named_section.
711         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
712         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
713         (data_section): Delete.
714
715         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
716         (DRECTVE_SECTION_FUNCTION): Delete.
717         (drectve_section): Redefine as a macro that sets in_section after
718         emitting the directive.
719         (SWITCH_TO_SECTION_FUNCTION): Delete.
720         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
721         in_text_section with comparison between in_section and text_section.
722         * config/i386/i386.c (x86_64_elf_select_section): Return the section
723         rather than emitting assembly code.  Use get_named_section.
724         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
725         get_named_section.
726         (machopic_output_stub): Use switch_to_section.
727         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
728         (nwld_named_section_asm_out_destructor): Use get_section and
729         switch_to_section.
730
731         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
732         rather than emitting assembly code.
733         (ia64_rwreloc_select_section): Likewise.
734         (ia64_rwreloc_select_rtx_section): Likewise.
735         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
736         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
737         switch_to_section.
738         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
739         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
740
741         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
742         section rather than emitting assembly code.
743         (iq2000_select_section): Likewise.
744         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
745         (sbss_section): Delete.
746
747         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
748         and get_named_section.
749         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
750
751         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
752         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
753         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
754         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
755         in_section to NULL.
756         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
757         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
758         global switch_to_section function instead of the old port-local one.
759         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
760         (SWITCH_SECTION_FUNCTION): Delete.
761         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
762         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
763         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
764         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
765         in_section to NULL.
766         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
767         global switch_to_section function instead of the old port-local one.
768         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
769
770         * config/mips/mips.c (mips_file_start): Update comment.
771         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
772         (mips_output_aligned_decl_common): Use switch_to_section.
773         (mips_select_rtx_section): Return the section rather than emitting
774         assembly code.  Use get_named_section.
775         (mips_function_rodata_section: Likewise get_section.
776         (build_mips16_function_stub): Use switch_to_section.
777         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
778         (SDATA_SECTION_ASM_OP): Delete.
779         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
780         (EXTRA_SECTION_FUNCTIONS): Delete.
781
782         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
783         (mmix_asm_output_aligned_local): Use switch_to_section.
784
785         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
786         (som_one_only_readonly_data_section): New variables.
787         (pa_output_function_epilogue): Set in_section to NULL instead of
788         calling forget_section.
789         (output_deferred_plabels): Use select_section.
790         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
791         of calling forget_section.
792         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
793         (pa_asm_output_aligned_local): Use select_section.
794         (som_text_section_asm_op): Delete in favor of...
795         (som_output_text_section_asm_op): ...this new function.
796         (pa_som_asm_init_sections): New function.
797         (pa_select_section): Return the section rather than emitting
798         assembly code.
799         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
800         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
801         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
802         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
803         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
804         (som_readonly_data_section, som_one_only_readonly_data_section)
805         (som_one_only_data_section, forget_section): Delete.
806         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
807         (TARGET_ASM_INIT_SECTIONS): Define.
808         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
809
810         * config/rs6000/rs6000.c (read_only_data_section): New variable.
811         (private_data_section, read_only_private_data_section): New variables.
812         (sdata2_section, toc_section): New variables.
813         (rs6000_file_start): Use switch_to_section.
814         (rs6000_assemble_integer): Use comparisons against in_section
815         instead of calling in_toc_section and in_text_section.  Use
816         unlikely_text_section_p.
817         (rs6000_elf_output_toc_section_asm_op): New function, derived
818         from the old rs6000/sysv4.h toc_section function.
819         (rs6000_elf_asm_init_sections): New function.
820         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
821         the section rather than emitting assembly code.
822         (machopic_output_stub): Use switch_to_section.
823         (toc_section): Delete dummy function.
824         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
825         switch_to_section and get_section.
826         (rs6000_xcoff_output_readonly_section_asm_op): New function.
827         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
828         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
829         the old rs6000/xcoff.h toc_section function.
830         (rs6000_xcoff_asm_init_sections): New function.
831         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
832         the section rather than emitting assembly code.
833         (rs6000_xcoff_file_start): Use switch_to_section.
834         (rs6000_xcoff_file_end): Likewise.
835         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
836         (sdata2_section, sbss_section, private_data_section): Delete.
837         (read_only_data_section, read_only_private_data_section): Delete.
838         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
839         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
840         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
841         (FINI_SECTION_FUNCTION): Delete.
842         (TARGET_ASM_INIT_SECTIONS): Define.
843         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
844         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
845         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
846         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
847         (READONLY_DATA_SECTION): Delete.
848         (TARGET_ASM_INIT_SECTIONS): Define.
849         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
850         to NULL rather than no_section.
851         (TARGET_ASM_EXCEPTION_SECTION): Delete.
852
853         * config/sh/sh.c (sh_file_start): Use switch_to_section.
854
855         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
856         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
857         from call to current_function_section.
858
859         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
860         (bss100_section): New variable.
861         (xstormy16_asm_output_aligned_common): Use switch_to_section.
862         (xstormy16_asm_init_sections): New function.
863         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
864         switch_to_section and get_section.
865         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
866         from calls to current_function_section.
867         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
868         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
869         (TARGET_ASM_INIT_SECTIONS): Define.
870         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
871
872         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
873         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
874         (FINI_SECTION_FUNCTION): Delete.
875
876         * config/v850/v850.c: Include gt-v850.h.
877         (rosdata_section, rozdata_section, tdata_section, zdata_section)
878         (zbss_section): New variables.
879         (v850_output_aligned_bss): Use switch_to_section.
880         (v850_asm_init_sections): New function.
881         (v850_select_section): Return the section rather than emitting
882         assembly code.
883         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
884         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
885         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
886         (TARGET_ASM_INIT_SECTIONS): Define.
887         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
888         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
889         (zbss_section): Delete.
890
891         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
892
893         * config/vx-common.h (vxworks_exception_section): Delete.
894         (TARGET_ASM_EXCEPTION_SECTION): Delete.
895
896         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
897         section rather than emitting assembly code.
898         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
899         switch_to_section.
900
901         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
902         * coretypes.h (section): New union and typedef.
903         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
904         from call to current_function_section.
905         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
906         (dbxout_symbol_location): Use switch_to_section.
907         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
908         most of the code into...
909         (default_eh_frame_section): ...here.  Return a section.
910         (collect2_eh_frame_section): Delete, moving most of the code into..
911         (switch_to_eh_frame_section): ...this new function.
912         (debug_info_section, debug_abbrev_section, debug_aranges_section)
913         (debug_macinfo_section, debug_line_section, debug_loc_section)
914         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
915         variables.
916         (output_call_frame_info): Call switch_to_eh_frame_section instead of
917         eh_frame_section.  Use switch_to_section and get_section.
918         (dwarf2out_begin_prologue): Use switch_to_section.
919         (AT_string_form): Check the flags in debug_str_section instead of
920         DEBUG_STR_SECTION_FLAGS.
921         (output_comp_unit): Use switch_to_section, get_section, and
922         debug_info_section.
923         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
924         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
925         from call to current_function_section.
926         (dwarf2out_var_location): Use unlikely_text_section_p.
927         (dwarf2out_source_line): Use switch_to_section.  Remove argument
928         from call to current_function_section.
929         (dwarf2out_start_source_file, dwarf2out_end_source_file)
930         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
931         debug_macinfo_section.
932         (dwarf2out_init): Initialize the new section variables.  Use them
933         instead of calls to named_section_flags.  Use switch_to_section.
934         (output_indirect_string): Use switch_to_section and debug_str_section.
935         (dwarf2out_finish): Use switch_to_section and the new section
936         variables.
937         * except.c (default_exception_section): Return the section instead
938         of emitting assembly code.
939         (output_function_exception_table): Use the global exception_section
940         variable instead of the target hook.  Use switch_to_section.  Remove
941         argument from call to current_function_section.
942         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
943         (shorten_branches): Use pointer comparisons to detect whether the
944         text section is the same as readonly_data_section.
945         (profile_function): Use switch_to_section.  Remove argument from
946         call to current_function_section.
947         (final_scan_insn): Likewise.  Update use of last_text_section.
948         * gengtype.c (open_base_files): Add an include of output.h.
949         * output.h (text_section, data_section, readonly_data_section)
950         (ctors_section, dtors_section, bss_section, init_section)
951         (fini_section, sdata_section): Turn into section pointers.
952         (in_text_section, in_unlikely_text_section, exports_section)
953         (drectve_section, named_section, mergeable_string_section)
954         (last_text_section_name): Delete.
955         (default_exception_section, default_eh_frame_section): Return sections.
956         (SECTION_DECLARED, SECTION_NAMED): New macros.
957         (SECTION_MACH_DEP): Bump value.
958         (section_common, named_section, unnamed_section): New structures.
959         (unnamed_section_callback): New typedef.
960         (section): New union.
961         (sbss_section, exception_section, eh_frame_section): New variables.
962         (in_section, last_text_section): Turn into section pointers.
963         (get_unnamed_section, get_section, get_named_section): New functions.
964         (mergeable_constant_section, function_section): Return a section.
965         (unlikely_text_section): Likewise.
966         (current_function_section): Likewise.  Remove the decl argument.
967         (unlikely_text_section_p, switch_to_section): New functions.
968         (output_section_asm_op): New function.
969         (set_named_section_flags, named_section_flags, named_section_real)
970         (named_section_first_declaration): Delete.
971         (default_select_section, default_elf_select_section): Return a section.
972         (default_elf_select_section_1, default_function_rodata_section)
973         (default_no_function_rodata_section, default_select_rtx_section)
974         (default_elf_select_rtx_section): Likewise.
975         * rtl.h (in_data_section): Delete.
976         * sdbout.c (sdbout_one_type): Use switch_to_section.
977         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
978         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
979         (TARGET_ASM_EH_FRAME_SECTION): Poison.
980         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
981         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
982         (TARGET_ASM_OUT): Update after above changes.
983         * target.h (init_sections): New hook.
984         (exception_section, eh_frame_section): Delete.
985         (select_section, select_rtx_section, function_rodata_section): Return
986         a section rather than emitting assembly code.
987         * varasm.c (text_section, data_section, readonly_data_section)
988         (ctors_section, dtors_section, bss_section, init_section)
989         (fini_section): Turn into section pointers.
990         (sdata_section, sbss_section, exception_section): New variables.
991         (eh_frame_section): New variable.
992         (in_section): Make global and turn into a section pointer.
993         (last_text_section): Turn into a section pointer.
994         (unnamed_sections): New variable.
995         (in_named_name, last_text_section_name): Delete.
996         (EXTRA_SECTION_FUNCTIONS): Delete.
997         (in_named_entry): Delete.
998         (section_htab): New variable, replacing...
999         (in_named_htab): ...this deleted variable.
1000         (section_entry_eq, section_entry_hash): New functions, based on...
1001         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1002         (get_unnamed_section, get_section): New functions.
1003         (unlikely_text_section): Return a section instead of emitting
1004         assembly code.
1005         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1006         (get_named_section_flags, named_section_first_declaration): Delete.
1007         (unlikely_text_section_p): New function.
1008         (named_section_real, named_section): Delete.
1009         (get_named_section): New function.
1010         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1011         (function_section): Return a section rather than emitting
1012         assembly code.
1013         (current_function_section): Likewise.  Remove argument.  Use
1014         last_text_section if nonnull, otherwise use function_section.
1015         (default_function_rodata_section): Return a section rather than
1016         emitting assembly code.  Use get_section.
1017         (default_no_function_rodata_section): Return a section rather than
1018         emitting assembly code.
1019         (variable_section): Use switch_to_section and get_named_section.
1020         (mergeable_string_section): Return a section rather than emitting
1021         assembly code.  Use get_section.  Make static.  Don't take special
1022         countermeasures for empty strings.
1023         (mergeable_constant_section): Return a section rather than emitting
1024         assembly code.  Use get_section.
1025         (default_named_section_asm_out_destructor): Use switch_to_section
1026         and get_section.
1027         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1028         (default_named_section_asm_out_constructor): Use switch_to_section
1029         and get_section.
1030         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1031         (assemble_start_function): Likewise.  Set last_text_section to
1032         NULL rather than no_section.  Change the type of save_section.
1033         (assemble_zeros, assemble_variable): Use the section flags to detect
1034         whether or not a section is text.
1035         (assemble_static_space): Use switch_to_section.
1036         (assemble_trampoline_template): Likewise.
1037         (output_constant_def_contents): Use switch_to_section and
1038         get_named_section.
1039         (output_constant_pool_1): Use switch_to_section.  Use the section
1040         flags to see whether sections contain mergeable data.
1041         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1042         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1043         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1044         whether a section has already been declared.
1045         (default_select_section, default_elf_select_section): Return a
1046         section rather than emitting assembly code.
1047         (default_elf_select_section_1): Likewise.  Use bss_section for
1048         SECCAT_BSS if nonnull.  Use get_named_section.
1049         (default_select_rtx_section): Return a section rather than
1050         emitting assembly code.
1051         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1052         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1053         (output_section_asm_op, switch_to_section): New functions.
1054         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1055         get_named_section.
1056
1057         * doc/tm.texi: Expand the introduction to the sections documentation.
1058         (TRAMPOLINE_SECTION): Document new interface.
1059         (SDATA_SECTION_ASM_OP): Document new macro.
1060         (READONLY_DATA_SECTION): Delete.
1061         (SDATA_SECTION_ASM_OP): Document new macro.
1062         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1063         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1064         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1065         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1066         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1067
1068 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1069
1070         * gcc.c (init_gcc_specs): Match braces inside conditionally
1071         compiled strings.
1072
1073 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1074
1075         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1076
1077 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1078
1079         PR C++/24138
1080         * tree.c (integer_all_onesp): Always return true if all bits on.
1081
1082         * testsuite/g++.dg/init/array0.C: New.
1083
1084 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1085
1086         * doc/md.texi: Adapt to implementation.
1087
1088 2005-12-06  Andreas Schwab  <schwab@suse.de>
1089
1090         * opts.c (decode_options): Fix typo in message.
1091
1092 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1093
1094         PR other/13873
1095         * longlong.h: Merge PPC tests from upstream.
1096
1097 2005-12-06  Richard Guenther  <rguenther@suse.de>
1098
1099         * fold-const.c (fold_convert): Do not build and fold
1100         CONVERT_EXPR, but always use NOP_EXPR.
1101
1102 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1103
1104         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1105         __builtin_ia32_paddq and __builtin_ia32_subq.
1106         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1107         __builtin_ia32_pshufw.
1108         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1109
1110 2005-12-05  James E Wilson  <wilson@specifix.com>
1111
1112         PR target/24934
1113         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1114         is set.
1115
1116 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1117         
1118         * print-tree.c (print_node): Ditto.
1119         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1120         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1121         before accessing DECL_ARTIFICIAL. 
1122         Handle new tag tree codes.
1123         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1124         changes.
1125         (unmodifiable_var_p): Ditto.
1126         * tree-flow.h (mem_tag_kind): Remove.
1127         (struct var_ann_d): Remove mem_tag_kind member.
1128         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1129         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1130         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1131         (group_aliases): Ditto.
1132         (setup_pointers_and_addressables): Ditto.
1133         (is_escape_site): Ditto.                                          
1134         (may_alias_p): Ditto.
1135         (create_tag_raw): New function.
1136         (create_memory_tag): Use it.
1137         (dump_alias_info): Update for tags.
1138         (may_be_aliased): Ditto.
1139         (add_type_alias): Ditto.
1140         (new_type_alias): Ditto.
1141         (create_sft): Ditto.
1142         (create_structure_vars): Ditto.
1143         * tree-ssa-ccp.c (get_default_value): Ditto.
1144         * tree-ssa-operands.c (get_expr_operands): Ditto.
1145         (add_stmt_operand): Ditto.
1146         (add_call_clobber_ops): Remove duplicated condition.
1147         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1148         tags.
1149         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1150         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1151         * tree.c (init_ttree): Update structures for new tree codes.
1152         (tree_code_size): Update sizes for new tree codes.
1153         (make_node_stat): Don't try to set common things on minimal
1154         structures.
1155         (tree_node_structure): Update for tags.
1156         (is_global_var): Ditto.
1157         * tree.def: Add new tree codes.
1158         * tree.h (MTAG_P): New macro.
1159         (TREE_MEMORY_TAG_CHECK): Ditto.
1160         (SSA_VAR_P): Update for tags.
1161         (struct tree_memory_tag): New structure.
1162         (MTAG_GLOBAL): New macro.
1163         (union tree_node): Add memory tag member.
1164         * treestruct.def (TS_MEMORY_TAG): New.
1165         
1166 2005-12-05  Dale Johannesen  <dalej@apple.com>
1167
1168         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1169         what was approved (PR 24323).
1170
1171 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1172
1173         * doc/c-tree.texi (Function Bodies): Remove description of
1174         RETURN_INIT.
1175
1176 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1177
1178         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1179         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1180         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1181         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1182         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1183         __divxc3): Document.
1184
1185 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1186
1187         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1188         previous behaviour.
1189         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1190         hook_bool_void_false.
1191         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1192         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1193
1194         * config/darwin.c (machopic_select_section): It's not defined
1195         as weak if it's only marked as weak_import.
1196         
1197         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1198         Prototype.
1199
1200         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1201         A hidden weak object does bind locally.  Strong linkonce data
1202         counts like any other strong symbol for binding.
1203         (weak_finish_1): Don't specially handle weakrefs, they no longer
1204         arrive here.
1205         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1206         * c-common.c (handle_alias_attribute): Allow static aliases
1207         of variables.
1208         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1209         * gthr-dce.h: Make weakrefs static.
1210         * gthr-tpf.h: Likewise.
1211         * gthr-solaris.h: Likewise.
1212         * gthr-posix.h: Likewise.
1213         * gthr-posix95.h: Likewise.
1214         * config/darwin.c (darwin_encode_section_info): static weakref
1215         variables are not necessarily defined in this translation unit.
1216         * doc/extend.texi (Function Attributes): Mention that an alias
1217         attribute creates a definition for the thing it's attached to.
1218         Change the documentation for weakref to say that the thing
1219         it's attached to must be static.
1220
1221         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1222         we don't go into an infinite loop.
1223
1224 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1225
1226         * config/rs6000/predicates.md (logical_const_operand): Split
1227         out of logical_operand.
1228         (logical_operand): Use it.
1229         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1230         logical_const_operand.
1231
1232 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1233
1234         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1235         and IX86_BUILTIN_CMPNESS.
1236         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1237         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1238         * config/i386/i386.md (movti_internal): Correct type attribute.
1239         Simplify mode attribute.
1240         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1241         Correct type attribute.
1242         (absxf2): Correct operator.
1243         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1244         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1245         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1246         mode attribute.
1247         (sse2_vmsqrtv2df2): Correct mode attribute.
1248
1249 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1250
1251         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1252         16 bits. Provide insn pattern for this case.
1253
1254 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1255
1256         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1257         result.
1258         (__popcountDI2): Likewise.
1259
1260 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1261
1262         PR target/25166
1263         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1264         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1265         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1266         functions.
1267
1268 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1269
1270         * c-typeck.c (null_pointer_constant_p): New function.
1271         (build_conditional_expr, build_c_cast, convert_for_assignment,
1272         build_binary_op): Use it.
1273
1274 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1275
1276         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1277         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1278         CONVERT_EXPR.
1279         (check_function_arguments_recurse): Allow both NOP_EXPR and
1280         CONVERT_EXPR but check conversions preserve precision.
1281         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1282         but check conversions preserve precision.
1283         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1284         default case.
1285
1286 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1287
1288         PR c/7776
1289         * common.opt (Wstring-literal-comparison): New command line option.
1290         * c-opts.c (c_common_handle_option): Set it with -Wall.
1291         * c-typeck.c (parser_build_binary_op): Issue warning if either
1292         operand of a comparison operator is a string literal, except for
1293         testing equality or inequality against NULL.
1294
1295         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1296
1297 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1298
1299         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1300         of building a NOP_EXPR.
1301         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1302         NOP_EXPR.
1303         * c-convert.c (convert): Use fold_convert instead of building
1304         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1305         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1306         #if 0 code.
1307         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1308         NOP_EXPR the same as CONVERT_EXPR.
1309         * c-typeck.c (build_function_call): Use fold_convert instead of
1310         building a NOP_EXPR directly.
1311         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1312
1313 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1314
1315         PR rtl-optimization/25197
1316         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1317         have a reg.
1318
1319 2005-12-02  Stuart Hastings  <stuart@apple.com>
1320
1321         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1322         warning.
1323
1324 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1325
1326         * c-typeck.c (default_function_array_conversion,
1327         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1328         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1329         orig_op2.  Don't check them for NOP_EXPR.
1330         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1331         around integer zero.
1332
1333 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1334
1335         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1336         toc_save_offset, toc_size, lr_size.
1337         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1338         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1339         Adjust for removal of unused rs6000_stack_t fields.
1340         (debug_stack_info): Adjust.
1341         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1342         first, and don't bother checking for set/inc of lr on sibcalls.
1343         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1344
1345 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1346
1347         PR target/25199
1348         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1349         5 if operand 1 is not aligned.  Undo previous constraint change.
1350         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1351
1352 2005-12-02  Richard Guenther  <rguenther@suse.de>
1353
1354         * tree.h (build): Remove prototype.
1355         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1356         * tree.c (build): Remove.
1357         (build0_stat): Update comment.
1358
1359 2005-12-02  Richard Guenther  <rguenther@suse.de>
1360
1361         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1362         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1363         Likewise.
1364         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1365         maybe_fold_offset_to_component_ref): Likewise.
1366         * tree-ssa-dom.c (thread_across_edge,
1367         simplify_rhs_and_lookup_avail_expr,
1368         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1369         Likewise.
1370         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1371         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1372         lower_try_finally_switch): Likewise.
1373         * tree-if-conv.c (add_to_dst_predicate_list,
1374         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1375         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1376         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1377         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1378         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1379         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1380         gimplify_init_ctor_eval, gimplify_init_constructor,
1381         gimplify_variable_sized_compare, gimplify_boolean_expr,
1382         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1383         gimplify_expr, gimplify_body, gimplify_function_tree,
1384         force_gimple_operand): Likewise.
1385         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1386         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1387         mx_register_decls): Likewise.
1388         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1389         get_frame_field, finalize_nesting_tree_1): Likewise.
1390         * tree-inline.c (setup_one_parameter): Likewise.
1391         * tree-vect-transform.c (vectorizable_condition): Likewise.
1392         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1393         Likewise.
1394         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1395         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1396         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1397         * tree-chrec.h (build_polynomial_chrec): Likewise.
1398
1399 2005-12-02  Richard Guenther  <rguenther@suse.de>
1400
1401         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1402         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1403         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1404         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1405         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1406         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1407         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1408         Likewise.
1409         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1410         sh_adjust_unroll_max): Likewise.
1411         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1412         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1413         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1414         Likewise.
1415         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1416         Likewise.
1417         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1418         Likewise.
1419
1420 2005-12-02  Richard Guenther  <rguenther@suse.de>
1421
1422         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1423         simplify_cond_using_ranges): Use buildN instead of build.
1424         * tree-tailcall.c (adjust_accumulator_values,
1425         adjust_return_value): Likewise.
1426         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1427         generate_element_copy, generate_element_zero,
1428         generate_one_element_init): Likewise.
1429         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1430         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1431         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1432         perfect_nestify): Likewise.
1433
1434 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1435
1436         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1437
1438 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1439
1440         * ggc.h (GGC_RESIZEVEC): New.
1441
1442 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1443
1444         * gcc.c (execute): Improve readability.
1445
1446 2005-12-02  Richard Guenther  <rguenther@suse.de>
1447
1448         * tree-cfg.c (mark_used_vars): New function.
1449         (dump_function_to_file): Dump only used VAR_DECLs.
1450
1451 2005-12-02  Richard Guenther  <rguenther@suse.de>
1452
1453         * convert.c (convert_to_integer): Fix compare for nonpositive
1454         constant to use tree_int_cst_sgn <= 0.
1455
1456 2005-12-02  Richard Guenther  <rguenther@suse.de>
1457
1458         * convert.c (convert_to_integer): Use fold_convert instead
1459         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1460         instead of comparing against 0.  Use build_int_cst instead
1461         of converting integer_zero_node.
1462
1463 2005-12-02  Richard Guenther  <rguenther@suse.de>
1464
1465         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1466         and RROTATE_EXPR.
1467  
1468 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1469
1470         PR target/21017
1471         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1472         rotates.
1473
1474 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1475
1476         PR middle-end/25176
1477         * function.c (expand_function_end): Emit blockage for unwinder
1478         after return label.
1479
1480 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1481
1482         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1483         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1484         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1485         integer constant comparisons.
1486
1487 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1488             Janis Johnson  <janis187@us.ibm.com>
1489             David Edelsohn  <dje@watson.ibm.com>
1490             Ben Elliston  <bje@au.ibm.com>
1491
1492         * dfp.h, dfp.c: New files.
1493         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1494         (DECNUM_H): Likewise.
1495         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1496         (INCLUDES): Append $(DECNUMINC).
1497         (OBJS-common): Add dfp.o.
1498         (dfp.o): New rule.
1499         * real.h (EXP_BITS): Pinch one bit to ..
1500         (struct real_value): Add decimal field.
1501         (real_format): Change table size, update documentation.
1502         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1503         (real_from_string3): Declare.
1504         (decimal_single_format): Declare.
1505         (decimal_double_format): Declare.
1506         (decimal_quad_format): Declare.
1507         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1508         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1509         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1510         * real.c: Include dfp.h.
1511         (normalize): Early return for decimal floats.
1512         (do_add): Zero decimal field.
1513         (do_compare): Call do_decimal_compare for decimal floats.
1514         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1515         (real_arithmetic): Call decimal_real_arithmetic for decimal
1516         floating point operands.
1517         (real_identical): If a and b are of differing radix, return false.
1518         (real_to_integer): Call decimal_real_to_integer if the value is a
1519         decimal float.
1520         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1521         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1522         (real_to_hexadecimal): Place "N/A" in the return string for
1523         decimal float.
1524         (real_from_string3): New variant, given a mode.
1525         (real_maxval): Use decimal_real_maxval for decimal floats.
1526         (round_for_format): Use decimal_round_for_format for decimals.
1527         (real_convert): Use decimal_real_convert where appropriate.
1528         (significand_size): Handle base 10.
1529         (encode_decimal_single, decode_decimal_single,
1530         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1531         decode_decimal_quad): New functions.
1532         (decimal_single_format): New.
1533         (decimal_double_format): New.
1534         (decimal_quad_format): New.
1535         * machmode.def: Add SD, DD and TD decimal floating point modes.
1536         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1537         Include MODE_DECIMAL_FLOAT.
1538         (DECIMAL_FLOAT_MODE_P): New.
1539         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1540         * genmodes.c (struct mode_data): Add counter field.
1541         (struct mode_data): Update comment for format.
1542         (blank_mode): Initialise counter field.
1543         (new_mode): Increment counter field for each mode defined.
1544         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1545         using a format.
1546         (make_complex_modes): Handle modes containing `D'.
1547         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1548         (make_decimal_float_mode): New.
1549         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1550         (cmp_modes): Compare counter field if other characteristics
1551         similar.
1552         (emit_real_format_for_mode): Support formats for decimal floats.
1553         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1554         Document MODE_DECIMAL_FLOAT.
1555
1556 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1557
1558         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1559         Delete dead code.
1560
1561 2005-12-01  Richard Henderson  <rth@redhat.com>
1562
1563         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1564
1565 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1566
1567         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1568
1569         * config/pa/pa.c (pa_init_builtins): If we detect
1570         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1571         putc_unlocked.
1572
1573 2005-12-01  Richard Guenther  <rguenther@suse.de>
1574
1575         * fold-const.c (fold_binary): Use fold_build2, not
1576         fold (build (...)).
1577
1578 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1579
1580         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1581
1582         * vec.h (VEC_block_remove): New.
1583
1584 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1585
1586         PR c/13384
1587         * c-common.c (lvalue_error): Fix wording.
1588
1589 2005-12-01  Richard Guenther  <rguenther@suse.de>
1590
1591         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1592         thinko in last patch.
1593
1594 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1595
1596         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1597         than -flat_namespace.
1598
1599 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1600
1601         * mklibgcc.in: Parameterise the script to build soft float
1602         functions by iterating over each type, rather than cloning the
1603         code for each type.
1604
1605 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1606
1607         PR middle-end/25158
1608         * builtins.c (fold_builtin_fputs): Defer check for missing
1609         replacement functions.
1610
1611 2005-11-30  Kean Johnston  <jkj@sco.com>
1612
1613         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1614         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1615
1616 2005-11-30  Richard Guenther  <rguenther@suse.de>
1617
1618         PR tree-optimization/22501
1619         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1620         function split out from ...
1621         (forward_propagate_addr_expr): ... here.  Use it to propagate
1622         ADDR_EXPRs to all uses.
1623
1624 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1625
1626         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1627         * builtins.c (expand_builtin_mathfn): Use them.
1628         (expand_builtin_mathfn_2): Likewise.
1629         (expand_builtin_mathfn_3): Likewise.
1630         (expand_builtin_int_roundingfn): Likewise.
1631         (expand_builtin): Likewise.
1632         (integer_valued_real_p): Likewise.
1633         (fold_builtin_int_roundingfn): Likewise.
1634         (fold_builtin_bitop): Likewise.
1635         (fold_builtin_logarithm): Likewise.
1636         (fold_builtin_1): Likewise.
1637         * convert.c (convert_to_integer): Likewise.
1638         * fold-const.c (negate_mathfn_p): Likewise.
1639         (tree_expr_nonnegative_p): Likewise.
1640
1641 2005-11-30  Dale Johannesen  <dalej@apple.com>
1642             Andrew Pinski  <pinskia@physics.uc.edu>
1643
1644         * combine.c (find_split_point):  Sign extend bitmask
1645         when changing bitfield assignment to IOR of AND.
1646
1647 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1648
1649         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1650         clobber to scratch reg.
1651         (*decrement_and_branch_until_zero_no_clobber): Remove.
1652         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1653         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1654         * config/ms1/ms1.opt (mmul): Remove.
1655         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1656         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1657
1658 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1659             Bernd Schmidt  <bernd.schmidt@analog.com>
1660
1661         * pa/predicates.md (symbolic_operand): Add comment.
1662         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1663         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1664         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1665         (pa_secondary_reload_class): Delete.
1666         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1667         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1668         copy of symbolic operand.
1669         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1670
1671 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1672
1673         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1674         jump.
1675
1676 2005-11-30  Jeff Law  <law@redhat.com>
1677
1678         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1679         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1680
1681 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1682
1683         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1684         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1685         (ia64_expand_move): Adjust caller.
1686
1687         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1688         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1689         negate VAL.
1690
1691 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1692
1693         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1694         Always produce an output if we can remove NEGs or canonicalize
1695         (minus (minus ...)) expressions.  Provide a fast path for the
1696         two-operand case.
1697         (simplify_gen_binary): Do not call simplify_plus_minus.
1698         (simplify_binary_operation_1): Reassociate at the end of the
1699         function.
1700
1701 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1702
1703         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1704         moves and unpack to speed up.
1705
1706 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1707
1708         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1709         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1710         (gen_v9_scc): Update callers.
1711         * config/sparc/sparc.md: Likewise.
1712         * config/sparc/sparc-protos.h: Update extern declaration.
1713
1714         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1715
1716 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1717
1718         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1719         the if.
1720
1721 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1722
1723         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1724         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1725         (negate_expr): Here.
1726
1727 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1728
1729         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1730         Fix typo in comment.
1731
1732 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1733
1734         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1735         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1736
1737 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1738
1739         PR middle-end/20109
1740         PR middle-end/25120
1741         * builtins.c (init_target_chars): New.
1742         (expand_builtin_printf, expand_builtin_fprintf,
1743         expand_builtin_sprintf, fold_builtin_sprintf,
1744         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1745         fold_builtin_snprintf_chk, fold_builtin_printf,
1746         fold_builtin_fprintf): Check for matching format strings using
1747         the target charset.
1748
1749 2005-11-29  Paul Brook  <paul@codesourcery.com>
1750
1751         * config.gcc: Do not use fixproto on m68k-elf.
1752
1753 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1754
1755         * expmed.c (div_cost): Replace with...
1756         (sdiv_cost, udiv_cost): New.
1757         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1758         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1759         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1760         (expand_divmod): Replace use of div_cost with either sdiv_cost
1761         or udiv_cost depending upon the signedness of the operation.
1762
1763 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1764
1765         PR libfortran/24991
1766         * config/darwin.c (machopic_indirection_name,
1767         machopic_output_indirection): Follow transparent alias chain.
1768
1769 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1770
1771         * varasm.c (ultimate_transparent_alias_target): Add comment.
1772
1773 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1774
1775         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1776         SET_SRC instead of XEXP where appropriate.
1777
1778 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1779
1780         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1781         __builtin_expect.
1782
1783 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1784
1785         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1786         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1787         bit at a time.
1788
1789 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1790
1791         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1792         secondary_input_reload_class, made static.  Adapt to new
1793         infrastructure.
1794         (secondary_output_reload_class): Delete.
1795         (TARGET_SECONDARY_RELOAD): New macro.
1796         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1797         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1798
1799 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1800
1801         PR c++/21166
1802         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1803         when its natural alignment is > BITS_PER_UNIT.
1804         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1805         * c-common.c (handle_packed_attribute): Ignore packing on a field
1806         whose type is naturally char aligned.
1807
1808 2005-11-28  Richard Guenther  <rguenther@suse.de>
1809
1810         * c-common.c (strict_aliasing_warning): Handle all
1811         component-ref like accesses.
1812
1813 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1814             Uros Bizjak  <uros@kss-loka.si>
1815
1816         PR middle-end/20219
1817         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1818         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1819         when flag_unsafe_math_optimizations is set and
1820         we don't care about NaNs or Infinities.
1821
1822         Move x/expN(y) and x/pow(y,z) transformation into common
1823         flag_unsafe_math_optimizations section.
1824
1825 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1826
1827         * gcc.c (main): Change type of argv to "char **".
1828
1829 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1830
1831         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1832         small data sections.
1833         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1834         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1835         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1836         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1837         output locals to sbss if !rs6000_elf_in_small_data_p.
1838         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1839
1840 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1841
1842         PR target/24997
1843         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1844         generated by reload.
1845         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1846         indexed_or_indirect_address.
1847         (indexed_or_indirect_address): Don't test for base reg.  Call
1848         address_operand last.  Make it a special predicate.
1849
1850 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1851
1852         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1853
1854 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1855
1856         PR middle-end/24575
1857         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1858         is undefined.
1859         (negate_expr): Likewise.
1860
1861 2005-11-27  Andreas Schwab  <schwab@suse.de>
1862
1863         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1864         redundant parens.
1865
1866 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1867
1868         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1869         has EH predecessor edges.
1870
1871 2005-11-26  Eric Christopher  <echristo@apple.com>
1872
1873         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1874         register stalls by zero extending to the full register.
1875
1876 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1877
1878         * config/floatunsisf.c, config/floatunsidf.c,
1879         config/floatunsixf.c, config/floatunsitf.c: New files.
1880         * config/ia64/t-hpux: Add floatunsitf.c.
1881         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1882         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1883
1884 2005-11-26  Richard Henderson  <rth@redhat.com>
1885
1886         * c-lex.c (pragma_lex): Rename from c_lex.
1887         * c-pch.c: Update for pragma_lex rename.
1888         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1889         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1890         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1891         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1892         * doc/tm.texi: Likewise.
1893
1894 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1895
1896         PR middle-end/23669
1897         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1898         when overflow is undefined.
1899
1900 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1901
1902         * doc/md.texi (Insn Canonicalizations): Refer to the
1903         function commutative_operand_precedence for further rules.
1904
1905 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1906
1907         PR middle-end/21309
1908         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1909         is less than zero.  Limit mult_cost to a reasonable upper bound for
1910         the synthetic multiplication sequence.
1911
1912 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1913
1914         PR middle-end/25022
1915         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1916         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1917         Lookup the explicit replacement functions for any unlocked
1918         stdio builtin transformations.
1919
1920 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1921
1922         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1923         earlyclobber.
1924         * targhooks.c (default_secondary_reload): Don't require operand 2
1925         for an input reload to be earlyclobber.
1926
1927 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1928
1929         * fold-const.c (negate_mathfn_p): Fix comment and add support
1930         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1931         BUILT_IN_ATANH.
1932
1933 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1934
1935         PR middle-end/24998
1936         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1937         _Q_ulltoq for unsigned conversions from SImode and DImode to
1938         TFmode.
1939
1940 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1941
1942         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1943         (__floatundidf, __floatundisf): Likewise.
1944
1945 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1946
1947         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1948         (rs6000_override_options): Remove initialization of
1949         rs6000_sr_alias_set.
1950         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1951         (rs6000_emit_stack_tie): Same.
1952         (emit_frame_save): Same.
1953         (gen_frame_mem_offset): Same.
1954         (rs6000_emit_prologue): Same.
1955         (rs6000_emit_epilogue): Same.
1956
1957 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1958
1959         PR middle-end/24989
1960         * fold-const.c (fold_build): Convert bool_var != 1 and
1961         bool_var == 0 to !bool_var.
1962
1963 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1964
1965         PR middle-end/24990
1966         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1967         for C being INTEGER_CST.  Likewise for !=.
1968
1969 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1970
1971         PR middle-end/24998
1972         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1973         unsigned conversions from SImode to TFmode.
1974
1975 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1976
1977         * expr.c (expand_expr_real_1): Fix error in last change.
1978
1979 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1980
1981         * caller-save.c: (this_insn_sets): Move into:
1982         (save_call_clobbered_regs).
1983         (mark_set_regs): Get this_insn_sets from data.
1984
1985         (save_call_clobbered_regs): Take sets of the return value by
1986         sibcalls into account.
1987
1988 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1989         PR target/21623:
1990
1991         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1992         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1993         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1994         (memory_move_secondary_cost, init_reg_autoinc): Remove
1995         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1996         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1997         secondary_reload_class call.
1998         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1999         callers.
2000         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2001         (push_secondary_reload): Use secondary_reload target hook.
2002         (secondary_reload_class, scratch_reload_class): New functions.
2003         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2004         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2005         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2006         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2007         (secondary_reload_class, scratch_reload_class): Declare.
2008         * reload1.c: Include target.h.
2009         (reload_adjust_reg_for_temp): New function.
2010         (reload_adjust_reg_for_icode): Likewise.
2011         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2012         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2013         call.
2014         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2015         for inheritance.  Support case when both secondary & tertiary reloads
2016         are for intermediate registers.
2017         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2018         with secondary_reload_class call.  Support case when both secondary
2019         & tertiary reloads are for intermediate registers.
2020         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2021         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2022         * target.h (secondary_reload_info): New struct / typedef.
2023         (struct gcc_target): New member secondary_reload.
2024         * targhooks.c Include reload.h, optabs.h and recog.h.
2025         (default_secondary_reload): New function.
2026         * targhooks.h (default_secondary_reload): Declare.
2027         * doc/tm.texi: Document secondary_reload target hook.  Update
2028         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2029         * doc/md.texi: Likewise.
2030
2031         * sh-protos.h (sh_secondary_reload): Declare.
2032         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2033         (sh_secondary_reload): New function.
2034         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2035         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2036         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2037         (HAVE_SECONDARY_RELOADS): Define.
2038         * sh.md (reload_indf): Rename to:
2039         (reload_indf__frn).
2040         (reload_outdf): Rename to:
2041         (reload_outdf__RnFRm).
2042         (reload_insf): Rename to:
2043         (reload_insf__frn).
2044         (reload_insi): Rename to:
2045         (reload_insi__i_fpul).
2046
2047 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2048
2049         * configure.ac: Require at least texinfo 4.4.
2050         * configure: Regenerate.
2051
2052         * doc/install.texi (Tools/packages necessary for building GCC):
2053         Update required version of texinfo to at least 4.4.
2054         (Installing GCC: Building): Update required version of texinfo
2055         to at least 4.4.
2056         (Installing GCC: Final installation): Update required version
2057         of texi2dvi to at least 4.4.
2058         (Host/target specific installation notes for GCC): Update required
2059         version of texinfo to at least 4.4.
2060
2061 2005-11-24  Richard Guenther  <rguenther@suse.de>
2062         Dirk Mueller <dmueller@suse.de>
2063
2064         PR c++/14024
2065         * c-common.h (strict_aliasing_warning): Declare.
2066         * c-common.c (strict_aliasing_warning): New function,
2067         split out from ...
2068         * c-typeck.c (build_c_cast): ... here.
2069
2070 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2071
2072         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2073         to order operands.
2074         (swap_commutative_operands_with_target): New.
2075
2076 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2077
2078         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2079         also when doing PRE, rather than only for global CPROP.
2080
2081 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2082
2083         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2084         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2085         formatting.
2086         (expand_twoval_unop): Likewise.
2087         (widen_clz): Likewise.
2088         (expand_parity): Likewise.
2089         (expand_unop): Likewise.
2090         (emit_cmp_and_jmp_insn_1): Likewise.
2091         (prepare_float_lib_cmp): Likewise.
2092
2093 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2094
2095         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2096         Remove unused `class' variable.
2097
2098 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2099
2100         PR c++/21667
2101         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2102         C/C++ diagnostic function warn_array_subscript_with_type_char.
2103         * c-common.h (warn_array_subscript_with_type_char): Declare.
2104         * c-common.c (warn_array_subscript_with_type_char): Define.
2105
2106 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2107
2108         PR c/21668
2109         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2110         compiling at the intersection of C and C++.
2111
2112 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2113
2114         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2115         List @file in the option summary.  Include the libiberty
2116         documentation for @file.
2117         * gcc.c (main): Call expandargv.
2118         * Makefile.in (gcc-vers.texi): Define srcdir.
2119
2120 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2121
2122         * passes.c (init_optimization_passes): Document
2123         sequencing of passes.
2124
2125 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2126
2127         * config/m68k/predicates.md (pcrel_address, extend_operator,
2128         post_inc_operand, pre_dec_operand): Remove redundant
2129         conditionals.
2130         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2131         instead of abort.
2132         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2133
2134 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2135
2136         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2137
2138 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2139
2140         Preparatory work for PR target/21623:
2141         * alpha.c (secondary_reload_class): Rename to:
2142         (alpha_secondary_reload_class).
2143         * alpha.h, alpha-protos.h: Likewise.
2144         * mn10300.c (secondary_reload_class): Rename to:
2145         (mn10300_secondary_reload_class).
2146         * mn10300.h, mn10300-protos.h: Likewise.
2147         * pa.c (secondary_reload_class): Rename to:
2148         (pa_secondary_reload_class).
2149         * pa.h, pa-protos.h: Likewise.
2150         * rs6000.c (secondary_reload_class): Rename to:
2151         rs6000_secondary_reload_class.
2152         * rs6000.h, rs6000-protos.h: Likewise.
2153
2154 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2155
2156         PR middle-end/22561
2157         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2158
2159 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2160
2161         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2162         a mode_class.
2163         (prepare_cmp_insn): Likewise.
2164
2165 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2166
2167         PR target/23435
2168         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2169         if both operands[0] and operands[1] are memory.
2170
2171 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2172
2173         PR middle-end/23606
2174         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2175         COMPARISON_CLASS_P and an integral types create create a new
2176         expression with the new type and fold that.
2177
2178 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2179
2180         PR target/24988
2181         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2182         to SUBTARGET_OS_CPP_BUILTINS.
2183
2184 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2185
2186         * arm.c (emit_set_insn): New function.
2187         (arm_split_constant): Call it.
2188         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2189         (arm_legitimize_address): Likewise.  Use plus_constant.
2190         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2191         (thumb_expand_prologue): Likewise.
2192         (arm_gen_load_multiple): Use VOIDmode in SET.
2193         (arm_gen_store_multiple): Likewise.
2194         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2195         (emit_multi_reg_push): Likewise.
2196         (emit_sfm): Use plus_constant.
2197
2198 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2199
2200         PR target/24954
2201         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2202         typo last change.
2203
2204 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2205
2206         PR middle-end/24950
2207         * expmed.c (store_bit_field): Don't attempt to insv a field
2208         larger than the reg.
2209
2210 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2211
2212         PR target/24954
2213         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2214         explicit sign extension, not a (char) cast.
2215
2216 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2217
2218         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2219         GET_MODE_CLASS (x) == MODE_FLOAT.
2220         * config/i386/i386.c: Likewise.
2221         * config/rs6000/xcoff.h: Likewise.
2222         * config/rs6000/linux64.h: Likewise.
2223         * config/rs6000/rs6000.c: Likewise.
2224         * config/rs6000/rs6000.h: Likewise.
2225         * config/rs6000/predicates.md: Likewise.
2226         * config/rs6000/sysv4.h: Likewise.
2227
2228 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2229
2230         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2231         flag_pic is set.
2232
2233         * config/alpha/freebsd.h, config/alpha/linux.h,
2234         config/arm/linux-elf.h, config/bfin/bfin.h,
2235         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2236         config/i386/beos-elf.h, config/i386/gnu.h,
2237         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2238         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2239         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2240         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2241         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2242         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2243         config/sparc/linux.h, config/sparc/linux64.h,
2244         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2245
2246         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2247         are both defined when either flag -fpic or -fPIC are used.
2248
2249 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2250
2251         * config/fp-bit.c (clzusi): New function.
2252         (si_to_float, usi_to_float): Use it to compute proper shift.
2253         (usi_to_float): Preserve guard bits when shifting right.
2254         * libgcc-std.ver (GCC_4.2.0): New version.
2255         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2256         __floatundisf): New functions.
2257         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2258         __floatundisf): Declare.
2259         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2260         _floatundixf, and _floatunditf.
2261         * optabs.c (expand_float): If target does not define a pattern for
2262         signed or unsigned conversion, use an unsigned libcall instead of
2263         a signed one.
2264         (init_optabs): Initialize ufloat_optab.
2265
2266 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2267
2268         * config/rs6000/rs6000.opt (mmulhw): New option.
2269         * doc/invoke.texi (-mmulhw): Document.
2270         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2271         for 405 and 440.
2272         * config/rs6000/rs6000.md: Add half-word multiply and
2273         multiply-accumulate instructions for 405 and 440.
2274
2275 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2276
2277         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2278         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2279         default now includes a linker group which makes the RTEMS one nest.
2280
2281 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2282
2283         * cse.c (fold_rtx): Typo fix.
2284         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2285
2286 2005-11-21  Richard Henderson  <rth@redhat.com>
2287
2288         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2289         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2290
2291         * c-tree.h (lookup_name): Move declaration ...
2292         * c-common.h (lookup_name): ... here.
2293         * config/darwin-c.c: Include c-common.h.
2294         * config/t-darwin: Update dependencies.
2295
2296 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2297
2298         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2299         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2300         * genopinit.c (gen_insn): Likewise.
2301         * reload.c (find_equiv_reg): Likewise.
2302         * loop.c (load_mems): Likewise.
2303         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2304         * cse.c (find_comparison_args, fold_rtx): Likewise.
2305         * dwarf2out.c (add_const_value_attribute): Likewise.
2306         * expr.c (convert_move): Likewise.
2307         * recog.c (general_operand, register_operand): Likewise.
2308         * reg-stack.c (replace_reg): Likewise.
2309         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2310         * c-common.c (handle_vector_size_attribute): Likewise.
2311         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2312         (simplify_binary_operation_1): Likewise.
2313         (simplify_const_binary_operation): Likewise.
2314         (simplify_relational_operation): Likewise.
2315         (simplify_const_relational_operation): Likewise.
2316         (simplify_immed_subreg): Likewise.
2317         * emit-rtl.c (gen_lowpart_common): Likewise.
2318         * expmed.c (expand_mult): Likewise.
2319         * stor-layout.c (layout_type): Likewise.
2320
2321 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2322
2323         PR target/24951
2324         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2325         cst2 only for SPE vectors.
2326
2327 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2328
2329         PR target/24953
2330         * config/rs6000/predicates.md (vrsave_operation): Check
2331         UNSPEC_VOLATILE value.
2332
2333 2005-11-21  Jan Hubicka  <jh@suse.cz>
2334
2335         PR tree-optimization/24653
2336         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2337
2338 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2339
2340         * config/i386/predicates.md (ax_reg_operand): New predicate.
2341         (memory_displacement_only_operand): New predicate.
2342         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2343         operand is AX register and the other operand is memory operand
2344         with displacement only.
2345
2346 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2347
2348         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2349         if we don't care about NaNs or Infinities.
2350
2351 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2352
2353         PR rtl-optimization/24883
2354         * combine.c (combinable_i3pat): When checking whether the
2355         destination of i3 is used in i3, consider paradoxical subregs.
2356
2357 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2358
2359         PR middle-end/20583
2360         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2361
2362 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2363
2364         * combine.c (try_combine): Do not run subst on i1src and i2src in
2365         the case of generating a PARALLEL for a comparison.
2366
2367 2005-11-20  Richard Henderson  <rth@redhat.com>
2368
2369         PR 24931
2370         * tree-sra.c (struct sra_elt): Add all_no_warning.
2371         (struct sra_walk_fns) <use>: Add use_all argument.
2372         (sra_walk_expr): Pass it.
2373         (sra_walk_modify_expr): Likewise.
2374         (scalarize_ldst): Likewise.
2375         (scan_use): Update for new argument.
2376         (mark_no_warning): New.
2377         (scalarize_use): Use it.
2378
2379 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2380
2381         * expr.c (expand_expr_real): Use usmul_optab for widening
2382         signed * unsigned multiplies.
2383         * genopinit.c (optabs): Add usmul_widen_optab.
2384         * optabs.c (init_optabs): Likewise.
2385         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2386         (usmul_widen_optab): Define.
2387         * config/bfin/bfin.md (usmulhisi3): New pattern.
2388
2389         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2390
2391 2005-11-20  Graham Stott <btinternet.com>
2392
2393         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2394
2395 2005-11-20  Andreas Schwab  <schwab@suse.de>
2396
2397         PR target/24757
2398         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2399         insn.
2400
2401 2005-11-19  Richard Henderson  <rth@redhat.com>
2402
2403         PR tree-opt/24665
2404         * tree-gimple.c (is_gimple_id): Export.
2405         * tree-gimple.h (is_gimple_id): Declare.
2406         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2407         (get_default_value): Use it.
2408         (maybe_fold_stmt_indirect): Likewise.
2409
2410 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2411
2412         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2413         than VR1 or vice-versa.
2414
2415 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2416
2417         PR middle-end/24912
2418         PR middle-end/24750
2419         * reload.c (find_reloads_address_1): Mention dependency on
2420         gen_reload.
2421         * reload1.c (gen_reload): For IN with an unary operation, try
2422         moving inner expression to OUT if trivial SET is not valid.
2423         Confirm that the result is valid.  Move common code block into...
2424         (emit_insn_if_valid_for_reload): New function.
2425
2426 2005-11-19  Richard Guenther  <rguenther@suse.de>
2427
2428         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2429         ARRAY_REFs of constant strings.
2430
2431 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2432
2433         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2434         fatal format string.
2435
2436 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2437
2438         * combine.c (make_compound_operation): Swap operands of
2439         commutative operation if necessary before returning.
2440
2441 2005-11-19  Richard Guenther  <rguenther@suse.de>
2442
2443         PR middle-end/23294
2444         * fold-const.c (fold_plusminus_mult_expr): New function.
2445         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2446         cases, remove now unnecessary code.
2447
2448 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2449
2450         * gensupport.c (old_preds): Rename to std_preds, add special field.
2451         (struct old_pred_table): Rename to struct std_pred_table, add special
2452         field.
2453         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2454         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2455         (init_predicate_table): Adjust, and set along the way whether a
2456         predicate is special.
2457
2458 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2459
2460         * BASE-VER: Change to 4.2.0.
2461
2462 2005-11-18  James E Wilson  <wilson@specifix.com>
2463
2464         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2465         returning it.
2466
2467 2005-11-18  Mike Stump  <mrs@apple.com>
2468
2469         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2470         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2471         * c-decl.c (lookup_name_two) Remove.
2472         * c-tree.h (lookup_name_two): Remove.
2473         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2474         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2475         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2476         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2477
2478 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2479
2480         PR target/24914
2481         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2482         when not generating code to use that co-processor.
2483
2484 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2485
2486         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2487         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2488         these functions are now in tree-phinodes.c.
2489
2490 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2491
2492         * config/bfin/bfin.md (trap): New pattern.
2493
2494 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2495
2496         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2497         on types.
2498
2499         * expr.c (expand_expr_real): Don't call record_block_change unless
2500         ib_boundaries_block is non-null
2501
2502         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2503
2504         * fold-const.c (build_range_check): Use proper type for subtraction
2505         when merging lower bound.
2506
2507 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2508
2509         PR rtl-optimization/24497
2510         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2511         the copied insn.
2512
2513 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2514
2515         * tree-scalar-evolution.c (expression_expensive_p): New function.
2516         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2517
2518 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2519
2520         * config/bfin/crtlibid.s: New file.
2521
2522 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2523
2524         PR target/24348
2525         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2526         when not using sjlj exceptions.
2527         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2528         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2529         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2530         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2531         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2532         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2533         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2534         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2535         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2536         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2537         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2538         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2539         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2540         defines.
2541         * config/pa/hpux-unwind.h: New file.
2542
2543 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2544
2545         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2546         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2547         * varasm.c (do_assemble_alias): Adjust call.
2548         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2549         is defined.
2550         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2551
2552 2005-11-17  James E Wilson  <wilson@specifix.com>
2553
2554         * tree.def (FUNCTION_DECL): Correct typo in comment.
2555
2556 2005-11-17  Richard Henderson  <rth@redhat.com>
2557
2558         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2559         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2560         and DW_CFA_def_cfa_sf.
2561         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2562         (dbx_reg_number): Don't assert particular registers here.
2563         (based_loc_descr): ... do it here instead.  Fold in ...
2564         (eliminate_reg_to_offset): ... this function.
2565         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2566         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2567         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2568         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2569         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2570         (instantiate_virtual_regs): Likewise.
2571         * var-tracking.c (adjust_stack_reference): Likewise.
2572         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2573
2574 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2575
2576         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2577         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2578         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2579         crtlibid.o.
2580         ($(T)crtlibid.o): New rule.
2581
2582 2005-11-16  Richard Guenther  <rguenther@suse.de>
2583
2584         PR middle-end/24851
2585         * fold-const.c (extract_array_ref): Return byte offset
2586         in all cases.
2587         (fold_binary): Fold &x[a] CMP &x[b] to
2588         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2589         behavior.
2590
2591 2005-11-16  Richard Henderson  <rth@redhat.com>
2592
2593         PR middle-end/23497
2594         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2595         parts of an SSA_NAME.
2596
2597 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2598
2599         PR target/24861
2600         * arm.md (split for movsf with immediate): Restrict split to insns
2601         that set a general register.
2602
2603 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2604
2605         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2606         uw_update_context.
2607         * unwind-dw2.c (uw_advance_context): Likewise.
2608         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2609         _Unwind_SjLj_Unregister.
2610         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2611
2612 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2613
2614         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2615
2616 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2617
2618         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2619         langhook to get a DImode integer type.
2620
2621 2005-11-16  Richard Henderson  <rth@redhat.com>
2622             J"orn Rennecke <joern.rennecke@st.com>
2623             Ulrich Weigand  <uweigand@de.ibm.com>
2624
2625         PR rtl-opt/24160
2626         PR target/24621
2627         * reload1.c (reg_equiv_invariant): New.
2628         (reload): Allocate, initialize, and free it.
2629         (calculate_needs_all_insns): Check it when skipping equivalence
2630         setting insns.
2631         (alter_reg): Likewise.
2632         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2633         may_use_invariant argument; only use reg_equiv_invariant when true.
2634         (eliminate_regs): New.
2635         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2636         a context for which may_use_invariant may be true.
2637
2638 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2639
2640         * fold-const.c (const_binop): Don't constant fold the operation
2641         if the result has overflowed and flag_trapping_math.
2642         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2643
2644 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2645
2646         * config/arm/unwind-arm.c (abort): Add prototype here.
2647         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2648         (struct phase1_vrs): Add prev_sp.
2649         (unwind_phase2_forced): Save the original core registers instead of
2650         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2651         and set action flags accordingly.  Always set _US_END_OF_STACK when
2652         get_eit_entry fails.  Unwind before calling the stop function.
2653         (_Unwind_GetCFA): New function.
2654         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2655         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2656         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2657         just call unwind_phase2_forced.
2658         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2659         * config/arm/unwind-arm.h (abort): Remove prototype.
2660         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2661         prototypes.
2662         (_Unwind_GetCFA): New prototype.
2663         * config/arm/pr-support.c (abort): Add prototype here.
2664         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2665         forced unwinding.
2666         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2667         not schedule the prologue with non-call exceptions and EABI.
2668
2669 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2670
2671         * config/arm/unwind-arm.h: Reorder interface function declarations.
2672         (_URC_END_OF_STACK): New enumeration value.
2673         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2674         (struct _Unwind_Control_Block): Document reserved field use.
2675         (_Unwind_Stop_Fn): New typedef.
2676         (_Unwind_ForcedUnwind): Declare.
2677         (_Unwind_Resume_or_Rethrow): Declare.
2678         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2679         argument.  Adjust.
2680         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2681         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2682         (UCB_FORCED_STOP_ARG): New.
2683         (search_EIT_table): Update boundary condition checks.
2684         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2685         (unwind_phase2): Replace for with do..while.
2686         (unwind_phase2_forced): New.
2687         (__gnu_Unwind_RaiseException): Replace for with do..while.
2688         (__gnu_Unwind_ForcedUnwind): New.
2689         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2690         Use appropriate phase2 unwinder.
2691         (__gnu_Unwind_Resume_or_Rethrow): New.
2692         (__gnu_unwind_pr_common): Cope with forced unwinding.
2693
2694 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2695
2696         PR target/24772
2697         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2698
2699         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2700         roundsf2): Remove "s" from mnemonic.
2701
2702 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2703
2704         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2705         __PIC__ is defined.
2706         * config/bfin/crtn.s: Change epilogues to match.
2707         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2708         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2709         __PIC__ and __pic__.
2710
2711 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2712
2713         PR 24357
2714         * doc/invoke.texi: Distinguish between free and fixed form instead of
2715         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2716         languages.
2717         * gcc.c (default_compilers): Remove double entries, add entries for
2718         suffixes '.F90' and '.F95'.
2719
2720 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2721
2722         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2723         in the stack probing loop.
2724
2725 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2726
2727         * configure.ac: Use .machine power5 not power5x.
2728         * configure: Regenerate.
2729
2730 2005-11-15  Mike Stump  <mrs@apple.com>
2731
2732         * c-decl.c (lookup_name_two): Add.
2733         * c-tree.h (lookup_name_two): Likewise.
2734         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2735         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2736
2737 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2738
2739         PR rtl-optimization/23392
2740         * regrename.c (enum scan_actions) Add mark_access.
2741         (scan_actions_name): Ditto.
2742         (scan_rtx_reg): Handle mark_access.
2743         (scan_rtx_address): Do nothing for mark_access.
2744         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2745         and regs in REG_INC notes before closing chains for dead regs.
2746         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2747         opening chains for new writes.
2748
2749 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2750
2751         * c.opt (ffixed-line-length-none): New.
2752
2753 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2754
2755         * mklibgcc.in: Change contents of eh_dummy.c.
2756
2757 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2758
2759         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2760
2761 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2762
2763         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2764         of making syscalls.
2765         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2766
2767 2005-11-15  Jan Hubicka  <jh@suse.cz>
2768
2769         * invoke.texi (large-unit-insns): Document.
2770         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2771         * params.def (large-unit-insns): New param.
2772
2773 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2774
2775         PR target/24869
2776         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2777         special register for operand 3.  Reindent constraints to align
2778         them vertically.
2779
2780 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2781
2782         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2783         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2784         * configure.ac: Add test for FP rounding instructions.
2785         * configure: Regenerate.
2786         * config.in: Regenerate.
2787         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2788         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2789         features enabled.
2790         * config/rs6000/rs6000.opt (mfprnd): New.
2791         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2792         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2793         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2794         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2795         (TARGET_FPRND): New.
2796         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2797         UNSPEC_FRIZ): New.
2798         (btrunc<mode>2): New.
2799         (ceil<mode>2): New.
2800         (floor<mode>2): New.
2801         (round<mode>2): New.
2802
2803 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2804
2805         * gcc.c (version_compare_spec_function): Use fatal() rather than
2806         abort().
2807
2808         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2809         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2810         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2811         as empty.
2812         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2813         link in crt2.o.
2814
2815         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2816         on -mmacosx-version-min setting.
2817
2818 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2819
2820         PR 24840
2821         * tree-vrp.c (infer_value_range): Return false if STMT is a
2822         block terminator and its basic block has no successors.
2823
2824 2005-11-14  Mike Stump  <mrs@apple.com>
2825
2826         * config/i386/i386.c (override_options): -masm=intel isn't
2827         supported on darwin.
2828         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2829
2830 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2831
2832         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2833         vfork after including auto-host.h.
2834
2835 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2836
2837         PR rtl-optimization/22002
2838         * combine.c (distribute_notes): Detect cases where a reg dies
2839         two or more times in a bb, including on the insn we are combining,
2840         and place the death note on the correct range.
2841
2842 2005-11-14  Dale Johannesen  <dalej@apple.com>
2843
2844         * expmed.c (store_bit_field):  Add offset unconditionally for
2845         memory targets.
2846         (extract_bit_field):  Don't force extzv or extv operand into
2847         a register if field is too big.
2848
2849 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2850
2851         * config/arm/arm.c (pic_labelno): New.
2852         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2853         LABEL_REF.  Pass only the labelno to PIC insns.
2854         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2855         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2856         * arm.md (UNSPEC_PIC_LABEL): New constant.
2857         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2858         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2859         Use the correct label prefix.
2860
2861 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2862
2863         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2864         REQ_EQUIV note.
2865
2866 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2867
2868         * loop-invariant.c: Include tm_p.h.
2869         * Makefile.in: Updated.
2870
2871 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2872
2873         * pa.c (store_reg): Revise generation of frame notes in large frames.
2874         (set_reg_plus_d): Likewise.
2875
2876 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2877
2878         PR tree-optimization/24709
2879         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2880         loop check.
2881
2882 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2883
2884         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2885         and duplicate declaration of pthread_self.
2886
2887 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2888             Ian Lance Taylor  <ian@airs.com>
2889
2890         PR middle-end/24003
2891         * calls.c (expand_call): If TARGET is a MEM and some part of the
2892         argument area has been saved, force TARGET to a register.
2893
2894 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2895
2896         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2897         checking.
2898
2899 2005-11-13  Jason Merrill  <jason@redhat.com>
2900
2901         PR c++/22489
2902         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2903         lazily declared methods.
2904         (force_decl_die): Stop if forcing out the context already make a
2905         DIE for the decl.
2906         (force_type_die): Likewise.
2907
2908 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2909
2910         PR middle-end/24820
2911         * builtins.c (integer_valued_real_p): Add break in
2912         REAL_CST having TREE_OVERFLOW set.
2913
2914 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2915
2916         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2917         addressing modes during calculation of costs.
2918
2919 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2920
2921         * function.c (assign_stack_local_1): Restrict sanity check
2922         on frame size overflow to 32-bit and above platforms.
2923
2924 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2925
2926         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2927         * config/cris/cris.c: Include reload.h.
2928         (cris_initial_elimination_offset): New function.
2929         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2930         Prototype.
2931
2932 2005-11-12  Richard Guenther  <rguenther@suse.de>
2933
2934         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2935
2936 2005-11-12  Jan Hubicka  <jh@suse.cz>
2937
2938         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2939         to compare against 0 when possible.
2940
2941 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2942
2943         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2944         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2945         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2946         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2947         in the new order.
2948
2949 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2950
2951         * recog.c (constrain_operands) <case 'g'>: For a match, require
2952         that a non-register matches general_operand when strict >= 0.
2953
2954 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2955
2956         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2957         previous checkin.
2958
2959 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2960
2961         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2962         (memory_address_same): New.
2963         (dse_optimize_stmt): Call memory_address_same.
2964
2965 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2966
2967         PR middle-end/24750
2968         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2969         ZERO_EXTEND>: New cases.
2970
2971 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2972
2973         * longlong.h (__clz_tab): Always provide.
2974
2975 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2976
2977         PR 24265
2978         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2979         can be assigned to.
2980         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2981         before check_maybe_invariant.
2982         (move_invariant_reg): Use gen_move_insn instead of replacing
2983         SET_DEST with the temporary for the invariant.
2984         (move_loop_invariants): If checking is enabled, do internal
2985         consistency checks after completing the pass.
2986
2987 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2988
2989         PR 24644
2990         * common.opt (Wvolatile-register-var): New.
2991         * varasm.c (make_decl_rtl): Only emit warning when option
2992         specified.  Clarify warning message.
2993         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2994
2995         * doc/md.texi (copysign): Document standard named pattern.
2996
2997 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2998
2999         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3000         bytes when align is 2.
3001         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3002         by the first instruction of the loop.
3003
3004 2005-11-11  Jason Merrill  <jason@redhat.com>
3005
3006         PR c++/24686
3007         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3008         the cleanup list.
3009
3010 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3011
3012         PR rtl-optimization/22509
3013         * local-alloc.c (memref_used_between_p): Check whether a function call
3014         could not reference the memref.
3015
3016 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3017
3018         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3019         algorithm so as to choose the best, not the worst, alternative.
3020         Reset accumulated register class before processing next alternative.
3021
3022 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3023
3024         PR target/24445
3025         * calls.c (expand_call): Copy a return value to a plain register
3026         if needed.
3027
3028 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3029
3030         PR target/24778
3031         * varasm.c (assemble_name): Recompute name only for transparent
3032         aliases.
3033
3034 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3035
3036         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3037
3038 2005-11-04  Jeff Law  <law@redhat.com>
3039
3040         PR middle-end/23181
3041         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3042         perform reassociation if the parent statement will not die as
3043         a result of the optimization.
3044
3045 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3046
3047         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3048         delete_old_heap_vars.
3049         * tree-dfa.c (referenced_var_remove): Remove function.
3050         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3051         (delete_tree_ssa): Remove call to delete_old_heapvars.
3052         Add call to delete_alias_heapvars.
3053         * tree-flow.h (referenced_var_remove): Remove prototype
3054         (init_alias_heapvars): New prototype.
3055         (delete_alias_heapvars): Ditto.
3056         * Makefile.in (tree-ssa-structalias.o): Add
3057         gt-tree-ssa-structalias.o
3058         (GTFILES): Add tree-ssa-structalias.h and
3059         tree-ssa-structalias.c.
3060         (s-gtype): Add gt-tree-ssa-structalias.h.
3061         * tree-ssa-structalias.c (heapvars): Remove.
3062         (oldheapvars): Remove.
3063         (heapvar_for_stmt): New variable.
3064         (heapvar_lookup): New function.
3065         (heapvar_insert): Ditto.
3066         (get_constraint_for): See if we have an old heapvar
3067         to reuse.
3068         (init_alias_heapvars): New function.
3069         (delete_alias_heapvars): Ditto.
3070         Add include of gt-tree-ssa-structalias.h.
3071
3072 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3073
3074         PR middle-end/22127
3075         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3076
3077 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3078
3079         * tree.c (int_fits_type_p): Only look at the base type
3080         if it has the same precision as the original type.
3081
3082 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3083
3084         PR other/4372
3085         * varasm.c (assemble_alias): Use %q+D in the error
3086         message instead of %J and %qD.
3087
3088 2005-11-10  Richard Guenther  <rguenther@suse.de>
3089
3090         * gcse.c (free_ldst_entry): Only free hashtable if
3091         it exists.
3092
3093 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3094
3095         * function.c (assign_stack_local_1): Issue an error message if
3096         the frame size overflows in the signed target arithmetics.
3097
3098 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3099
3100         * tree.c (build_qualified_type): Chain the new type to the original
3101         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3102         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3103         (build_pointer_type_for_mode): Only return unqualified types.
3104         (build_reference_type_for_mode): Likewise.
3105
3106 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3107
3108         * Makefile.in (gnucompare): Do comparison of all files using one of
3109         the chosen methods and only afterwards decide if just warning should
3110         be issued or comparison failure raised.
3111
3112 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3113
3114         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3115         (noce_try_abs): Negate if the comparison is reversed.
3116         Look only one instruction backwards for a REG_EQUAL note.
3117
3118 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3119
3120         PR other/4372
3121         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3122         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3123         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3124         and prefix all uses with __ghtrw.
3125
3126 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3127
3128         PR other/4372
3129         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3130         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3131         * c-common.c (handle_weakref_attribute): New.
3132         (c_common_attribute_table): Add weakref.
3133         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3134         in the assembler.
3135         * configure, config.in: Rebuilt.
3136         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3137         * doc/extend.texi: Document weakref attribute.
3138         * varasm.c (ultimate_transparent_alias_target): New
3139         (assemble_name): Use it.
3140         (weak_finish_1): Split out of...
3141         (weak_finish): ... and deal with weakrefs in...
3142         (weakref_targets): ... new list.
3143         (globalize_decl): Clean up weakref_targets.
3144         (do_assemble_alias): Handle weakrefs.
3145         (finish_aliases_1): Do not reject weakrefs to external symbols.
3146         (assemble_alias): Handle weakrefs.
3147
3148 2005-11-09  Richard Guenther  <rguenther@suse.de>
3149
3150         PR tree-optimization/24716
3151         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3152         t_bool to track results from follow_ssa_edge.
3153
3154 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3155
3156         * final.c (force_source_line): New global variable.
3157         (final_scan_insn): Set it to true instead of clearing last_filename.
3158         (notice_source_line): Return true if force_source_line is true,
3159         unless source info is absent.
3160
3161 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3162
3163         PR c/24644
3164         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3165         a linkage name for a variable if it a register variable.
3166         * c-decl.c (grokdeclarator): Global register variables
3167         should be set as PUBLIC.
3168
3169 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3170
3171         PR 24624
3172         * config/s390/s390.c (struct s390_frame_layout): New fields
3173         first_save_gpr_slot and last_save_gpr_slot.
3174         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3175         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3176         first_save_gpr and last_save_gpr with the _slot variants.
3177         (s390_register_info): Calculate first_save_gpr_slot and
3178         last_save_gpr_slot using regs_ever_live.
3179
3180 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3181
3182         PR 24623
3183         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3184         for a function containing a landing pad.
3185
3186 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3187
3188         PR 24034
3189         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3190         is live afterwards.
3191
3192 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3193
3194         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3195         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3196
3197 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3198
3199         Add ms2 support
3200         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3201         constants.
3202         (call,load,store): New insn types.
3203         (mem_access, branch_access): Adjust reservation conditions.
3204         (define_delay): Adjust condition.
3205         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3206         type.
3207         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3208         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3209         insn type.
3210         (call_internal, call_value_internal, return_internal,
3211         return_interrupt_internal, eh_return_internal, indirect_jump,
3212         tablejump): Set call insn type.
3213         (blockage, ei, di): Use appropriate unspec const.
3214         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3215         (ms1_get_attr_type): Adjust to give load & store types.
3216         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3217         backwards past a barrier.
3218         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3219         branch scheduling.
3220         (struct branch_info, struct label_info): New.
3221         (ms1_labels): New.
3222         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3223         (ms1_machine_reorg): New.
3224         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3225         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3226         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3227         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3228         (TARGET_MS2): New.
3229
3230 2005-11-09  Per Bothner  <per@bothner.com>
3231             Uros Bizjak  <uros@kss-loka.si>
3232
3233         PR c/24101
3234         * toplev.c (process_options): Initialize debug_hooks early
3235         in case lang_hooks.post_options ends up calling a debug_hook.
3236
3237 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3238
3239         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3240         DBX_REGISTER_NUMBER being contiguous.
3241
3242 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3243             Diego Novillo  <dnovillo@redhat.com>
3244
3245         PR 23046
3246         * tree-vrp.c (register_edge_assert_for): Do not register
3247         always-false predicates.
3248
3249 2005-11-08  Devang Patel <dpatel@apple.com>
3250
3251         PR tree-optimization/23115
3252         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3253         relation.
3254
3255 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3256
3257         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3258         -mcpu=440.
3259
3260 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3261
3262         Fix PR tree-optimization/23382
3263
3264         * tree-ssa-alias.c (compute_may_aliases): Call
3265         delete_old_heap_vars.
3266         * tree-dfa.c (referenced_var_remove): New function.
3267         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3268         * tree-flow.h (referenced_var_remove): Add prototype.
3269         (delete_old_heap_vars): Ditto.
3270         * tree-ssa-structalias.c (heapvars): New variable.
3271         (oldheapvars): Ditto.
3272         (get_constraint_for): Put heap vars on heapvars list.
3273         (delete_old_heap_vars): New function.
3274
3275 2005-11-08  Jason Merrill  <jason@redhat.com>
3276
3277         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3278
3279 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3280
3281         PR target/19340
3282         * reg-stack.c (reg_to_stack): Update register liveness also
3283         for flag_sched2_use_traces.
3284
3285 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3286
3287         PR target/23704
3288         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3289         override prior explicit -mno-powerpc-gfxopt.
3290
3291 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3292
3293         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3294         if the bitsize is zero.
3295         * doc/md.texi (Standard Pattern Names): Document it.
3296
3297         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3298         (TARGET_PASS_BY_REFERENCE): Likewise.
3299
3300 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3301
3302         PR rtl-optimization/24683
3303         * config/i386/i386.c (legitimize_pic_address): If constant operand
3304         to PLUS is too large, put it in a register.
3305
3306 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3307
3308         * configure.ac: Enable checking assembler dwarf2 support for bfin
3309         target.
3310         * configure: Regenerate.
3311
3312 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3313
3314         PR target/24230
3315
3316         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3317         gen_easy_vector_constant_add_self): Delete.
3318         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3319         New.
3320         (output_vec_const_move): Use gen_easy_altivec_constant.
3321         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3322         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3323         (easy_vector_constant_add_self): Rewritten.
3324         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3325         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3326         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3327         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3328         Macroize and adjust for the other changes.
3329
3330 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3331
3332         PR c/24599
3333
3334         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3335         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3336
3337 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3338
3339         PR rtl-optimization/23567
3340         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3341         (noce_process_if_block): Don't do any optimizations except
3342         if (cond) x = x; if !set_b and write into orig_x may trap
3343         or fault.  Remove the MEM_READONLY_P check.
3344
3345 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3346
3347         PR 24670
3348         * tree-vrp.c (fix_equivalence_set): New.
3349         (extract_range_from_assert): Call it.
3350
3351 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3352
3353         PR target/22432
3354         * combine.c (apply_distributive_law): Don't distribute across a
3355         vector mode subreg.
3356
3357 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3358
3359         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3360         config/ms1/ms1.h, config/rs6000/predicates.md,
3361         config/s390/s390.c, params.def, postreload-gcse.c,
3362         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3363         tree-vrp.c, tree.c: Fix comment typos.
3364         * doc/invoke.texi: Fix typos.
3365
3366 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3367
3368         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3369         for testing whether the data_dependence_relation contains distance
3370         vectors.  Iterate over all distance vectors of the ddr.
3371         * lambda.h: Define a vec of lambda_vector pointers.
3372         * tree-data-ref.c (dump_data_dependence_relation,
3373         dump_data_dependence_direction): Iterate over all distance and
3374         direction vectors of the ddr.
3375         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3376         DDR_DIST_VECTS.
3377         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3378         of distance/direction vectors instead of a single one.
3379         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3380         lambda_vectors with a vec of lambda_vectors.
3381         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3382         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3383         DDR_NUM_DIST_VECTS): New.
3384         * tree-loop-linear.c (gather_interchange_stats): Test for the
3385         existence of distance vectors only after having checked that there
3386         is a dependence.  Iterate over all distance vectors of the ddr.
3387         (linear_transform_loops): Use dump_data_dependence_relation.
3388         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3389         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3390         distance vectors of the ddr.
3391
3392 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3393
3394         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3395         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3396         IS_INTHANDLER; all callers changed.
3397         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3398         account.
3399         (do_link, do_unlink): New argument ALL; all callers changed.
3400         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3401         If function isn't leaf, save and restore all registers.
3402         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3403         exception handler.
3404
3405 2005-11-05  Jan Hubicka  <jh@suse.cz>
3406
3407         PR rtl-optimization/23490
3408         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3409         max-flow-memory-location): Document.
3410         * flow.c: Include params.h
3411         (MAX_MEM_SET_LIST_LEN): Kill.
3412         (add_to_mem_set_list): Use new param.
3413         * cse.c (cse_basic_block): Replace 1000 by new param.
3414         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3415         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3416         * predict.c (predict_loops): Use new param.
3417         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3418
3419         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3420         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3421         Do not hold memory returned by cgraph_node_name across other call.
3422
3423 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3424
3425         PR target/23424
3426         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3427         Disable.
3428
3429 2005-11-04  Jeff Law  <law@redhat.com>
3430
3431         PR/21883
3432         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3433         * tree-ssa-dom.c: Include params.h.
3434         (thread_across_edge): If there are too many statements in the
3435         target block, then do not thread through it.
3436         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3437         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3438
3439 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3440
3441         PR 24627
3442         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3443         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3444
3445 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3446
3447         PR/18595
3448         * tree-scalar-evolution.c (instantiate_parameters_1,
3449         instantiate_parameters, resolve_mixers): Compute the size of an
3450         expression to be instantiated and give up the instantiation if the
3451         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3452
3453 2005-11-04  Richard Guenther  <rguenther@suse.de>
3454
3455         * tree-flow.h (ref_contains_indirect_ref): Rename to
3456         array_ref_contains_indirect_ref.
3457         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3458         (array_ref_contains_indirect_ref): Make comment match the code
3459         and vice-versa.
3460         (ref_contains_array_ref): Likewise.
3461         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3462         ref_contains_indirect_ref.
3463         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3464         Rename calls to ref_contains_indirect_ref.
3465
3466 2005-11-04 Paul Brook  <paul@codesourcery.com>
3467
3468         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3469         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3470         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3471         * config/arm/arm.md: Use match_operand in peephole input templates
3472         and match_dup in peephole output templates.
3473
3474 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3475
3476         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3477         __aeabi_uidiv.
3478
3479 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3480             Daniel Jacobowitz  <dan@codesourcery.com>
3481
3482         * longlong.h (add_ssaaaa): Clobber condition code register
3483         in ARM version.
3484         (sub_ddmmss): Likewise.
3485         (umul_ppmm): Likewise.
3486
3487 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3488             Paul Brook  <paul@codesourcery.com>
3489             Phil Blundell  <pb@reciva.com>
3490
3491         * configure.ac: Add test for ARM TLS support.
3492         * configure: Regenerated.
3493         * config/arm/arm-protos.h (legitimize_tls_address)
3494         (arm_tls_referenced_p, tls_mentioned_p)
3495         (arm_output_addr_const_extra): New prototypes.
3496         (thumb_legitimize_pic_address): Delete.
3497         * config/arm/arm.c: Include "gt-arm.h".
3498         (enum tls_reloc): New.
3499         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3500         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3501         (arm_call_tls_get_addr, legitimize_tls_address)
3502         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3503         (arm_init_tls_builtins, arm_emit_tls_decoration)
3504         (arm_output_addr_const_extra): New functions.
3505         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3506         (TARGET_HAVE_TLS): Define.
3507         (target_thread_pointer): New.
3508         (arm_override_options): Handle -mtp=.
3509         (legitimize_pic_address): Ignore UNSPECs.
3510         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3511         relative symbols.
3512         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3513         (tls_get_addr_libfunc): New variable.
3514         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3515         (arm_init_builtins): Call arm_init_tls_builtins.
3516         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3517         (arm_encode_section_info): Call default_encode_section_info.
3518         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3519         (enum arm_tp_type): New.
3520         (target_thread_pointer): Add declaration.
3521         (LEGITIMATE_CONSTANT_P): Handle TLS.
3522         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3523         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3524         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3525         * config/arm/arm.md: Add UNSPEC_TLS.
3526         (movsi): Handle TLS.
3527         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3528         non-PIC.
3529         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3530         (load_tp_hard, load_tp_soft): New insns.
3531         * arm.opt: Add -mtp=.
3532         * doc/invoke.texi (ARM Options): Document -mtp.
3533
3534 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3535
3536         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3537         * config/arm/libunwind.S: Include "lib1funcs.asm".
3538         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3539         (LIB2ADDEH): Add libunwind.S.
3540         (LIB2ADDEHDEP): Add lib1funcs.asm.
3541         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3542
3543 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3544
3545         PR fortran/18452
3546         * gcc/c.opt: Add a -lang-fortran option.
3547         * gcc/c-opts.c: Add a lang_fortran flag.
3548         (c_common_init_options): Handling the -lang-fortran option.
3549         (c_common_handle_option): Add a case for Fortran options in
3550         preprocessing. Remove cases for -ffixed-form and
3551         -ffixed-line-length. Add a case for -lang-fortran.
3552
3553 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3554
3555         * config/rs6000/rs6000.c: Include params.h
3556         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3557         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3558         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3559         (UNSPEC_VPKUWSS): Delete.
3560         (altivec_vpkuhss): Delete.
3561         (altivec_vpkuwss): Delete.
3562         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3563         final condition.
3564         (neg_eq0<mode>): Remove final condition.
3565         (neg_eq<mode>): Remove condition and split-condition.
3566
3567 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3568
3569         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3570         Use associated print macros.
3571
3572 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3573
3574         PR c++/17964
3575         * diagnostic.c (diagnostic_set_info_translated): New function.
3576         (diagnostic_set_info): Use it.  Add comment.
3577         * diagnostic.h (diagnostic_set_info_translated): Declare.
3578
3579 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3580
3581         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3582         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3583         reference only if 'public' is true.
3584         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3585         emit the .hidden directive only if the indirect reference is public.
3586         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3587         Pass it to dw2_force_const_mem.
3588         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3589         * dwarf2out.c (output_cfi): Adjust calls to above function.
3590         (output_call_frame_info): Likewise.
3591         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3592         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3593
3594 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3595
3596         PR tree-optimization/24483
3597         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3598         field to elts if possible.
3599
3600 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3601
3602         PR middle-end/23155
3603         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3604         CONSTRUCTOR.
3605
3606 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3607
3608         Fix PR tree-optimization/24351
3609
3610         * tree-ssa-structalias.c (struct variable_info): Add
3611         collapsed_into.
3612         (get_varinfo_fc): New function to follow collapsing.
3613         (new_var_info): Set collapsed_to to NULL.
3614         (dump_constraint): Follow collapsing.
3615         (build_constraint_graph): Handle collapsing.
3616         (do_simple_structure_copy): Return false if something bad
3617         happened.
3618         (collapse_rest_of_var): New function.
3619         (do_structure_copy): Collapse if do_simple_structure_copy returns
3620         false.
3621
3622 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3623
3624         PR middle-end/24589
3625         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3626         expressions to a statement list instead of gimplifying them.
3627
3628 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3629
3630         PR rtl-optimization/23585
3631         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3632         that can't trap plus a constant integer, if the mode has zero size.
3633
3634 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3635
3636         PR target/24620
3637         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3638         as operand 2.
3639         ("*insv<mode>_reg_extimm"): Likewise.
3640
3641 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3642
3643         PR c/24329
3644         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3645         c_common_type_for_mode returns an unnamed type.
3646
3647 2005-11-02  Richard Henderson  <rth@redhat.com>
3648
3649         PR target/9350
3650         PR target/24374
3651         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3652         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3653         * function.c (assign_parms): Use calls.internal_arg_pointer.
3654         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3655         code.
3656         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3657         (TARGET_CALLS): Add it.
3658         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3659         * targhooks.c (default_internal_arg_pointer): New.
3660         * targhooks.h (default_internal_arg_pointer): Declare.
3661         * tree.h (dwarf2out_reg_save_reg): Declare.
3662         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3663         * config/i386/i386.c (dbx_register_map): Add return column.
3664         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3665         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3666         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3667         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3668         (ix86_save_reg): Save force_align_arg_pointer.
3669         (ix86_emit_save_regs): Make regno unsigned.
3670         (ix86_emit_save_regs_using_mov): Likewise.
3671         (ix86_expand_prologue): Handle force_align_arg_pointer.
3672         (ix86_expand_epilogue): Likewise.
3673         * config/i386/i386.h: (dbx_register_map): Update.
3674         (dbx64_register_map, svr4_dbx_register_map): Update.
3675         (struct machine_function): Add force_align_arg_pointer.
3676         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3677         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3678         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3679
3680 2005-11-02  Jan Hubicka  <jh@suse.cz>
3681
3682         PR target/23303
3683         * i386.md: Add peep2 for simplyfing array accesses.
3684
3685 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3686
3687         PR target/24615
3688         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3689         * config/s390/s390.c (s390_decompose_shift_count): New function.
3690         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3691         (print_shift_count_operand): Use s390_decompose_shift_count.
3692         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3693         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3694
3695 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3696
3697         PR target/24600
3698         * loop.c (loop_givs_rescan): Use force_operand to expand
3699         complex GIVs.
3700
3701 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3702
3703         PR 22429
3704         * fold-const.c (build_range_check): Use unsigned when signed
3705         overflow is undefined also.  If etype is subtype, make sure that
3706         the subtraction is in the supertype.
3707
3708 2005-11-02  Richard Henderson  <rth@redhat.com>
3709
3710         PR target/24178
3711         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3712         by MEM_ALIGN.
3713
3714 2005-11-01  Richard Henderson  <rth@redhat.com>
3715
3716         PR 21518
3717         * loop.c (scan_loop): Do not propagate computations to a hard
3718         register destination with SMALL_REGISTER_CLASSES.
3719
3720 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3721
3722         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3723         costs for MULT inside PLUS or MINUS.
3724
3725 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3726
3727         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3728         (TRAMPOLINE_SIZE): Round up to 60.
3729         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3730
3731 2005-10-31  James E. Wilson  <wilson@specifix.com>
3732
3733         PR debug/24444
3734         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3735         ifdef.  Put ifdefs around call in gen_subprogram_die.
3736         (compute_frame_pointer_to_cfa_displacement): Likewise.
3737         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3738         not defined.
3739
3740         PR rtl-optimization/17356
3741         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3742         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3743
3744 2005-10-31  Jan Hubicka  <jh@suse.cz>
3745
3746         PR middle-end/24093
3747         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3748
3749         PR target/20928
3750         * i386.c (legitimize_pic_address): Deal with large immediates.
3751
3752         PR profile/20815
3753         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3754         from symbol names while computing checkup.
3755
3756         PR profile/24487
3757         * predict.c (predict_loops): Do not estimate more than
3758         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3759         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3760
3761 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3762
3763         PR tree-optimization/19097
3764         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3765
3766 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3767
3768         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3769
3770 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3771
3772         PR middle-end/23492
3773         * tree-inline.c (setup_one_parameter): If the init_stmt
3774         is NULL, don't insert the statement.
3775
3776 2005-10-30  Jan Hubicka  <jh@suse.cz>
3777
3778         PR tree-optimization/24172
3779         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3780
3781 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3782
3783         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3784         constants for hosts with long != 32 bits.
3785
3786 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3787
3788         PR middle-end/24093
3789         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3790
3791 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3792
3793         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3794         (TARGET_MS1_16_002): New.
3795         (TARGET_MS1_16_003): New.
3796
3797         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3798         ("*decrement_and_branch_until_zero_no_clobber"): New.
3799         Add corresponding splitter for decrement_and_branch_until_zero
3800         instruction.
3801         Key all decrement_and_branch_until_zero patterns off of
3802         TARGET_MS1_16_003.
3803
3804 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3805
3806         PR middle-end/24362
3807         * tree-complex.c (extract_component): Treat RESULT_DECL
3808         like the rest of the decls.
3809
3810 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3811
3812         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3813         indirect call to _mcount if the function needs a static chain.
3814
3815 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3816             Caroline Tice  <ctice@apple.com>
3817
3818         PR rtl-optimization/24460
3819         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3820         (dwarf2out_switch_text_section): Set it to true instead of
3821         incrementing separate_line_info_table_in_use.
3822         (output_loc_list): Additionally test have_switched_text_sections.
3823         (output_ranges): Likewise.
3824         (dwarf2out_finish): Likewise.
3825         * varasm.c (assemble_start_function): Do not call
3826         insert_section_boundary_note.
3827         (assemble_end_function): If flag_reorder_blocks_and_partition,
3828         switch to the function's section before emitting the .size directive.
3829         * bb-reorder.c (insert_section_boundary_note): Staticify.
3830         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3831         * output.h (insert_section_boundary_note): Delete.
3832
3833 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3834
3835         PR c/23103
3836         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3837         instead of pointer equality when comparing types.
3838
3839 2005-10-24  James E. Wilson  <wilson@specifix.com>
3840
3841         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3842         add_dependence_list_and_free calls.
3843
3844 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3845
3846         * contrib.texi: Add the names of the LLNL folks who donated
3847         Cray pointer support for gfortran.
3848
3849 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3850
3851         PR tree-optimization/24225
3852         * profile.c (branch_prob): Look from end to start through a
3853         basic block when looking for a locus.
3854
3855 2005-10-24  Richard Henderson  <rth@redhat.com>
3856
3857         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3858         parallel.
3859         (hppa_expand_prologue): Likewise.
3860
3861 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3862
3863         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3864         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3865         * pa.h (NO_PROFILE_COUNTERS): Define.
3866         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3867         (funcdef_nos): New vector to hold label numbers of deferred profile
3868         counters.
3869         (output_deferred_profile_counters): New function.
3870         (hppa_profile_hook): Push label number onto funcdef_nos.
3871         (pa_hpux_file_end): Call output_deferred_profile_counters if
3872         NO_DEFERRED_PROFILE_COUNTERS is false.
3873
3874         * pa-protos.h (get_deferred_plabel): New prototype.
3875         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3876         Make global.
3877         (output_call): Adjust calls.
3878
3879 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3880
3881         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3882         peculiarity of GOT/TOC section usage.
3883
3884 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3885
3886         PR objc/24435
3887          * c-common.c (constant_string_class_name): Add documentation.
3888
3889 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3890
3891         PR target/23832
3892         * recog.c (peephole2_optimize): Increment peep2_current_count
3893         only when the slot is empty.
3894
3895 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3896
3897         PR ada/23957
3898         * except.c (output_function_exception_table): Call
3899         assemble_external_libcall if we need a personality function.
3900
3901 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3902
3903         PR rtl-optimization/24460
3904         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3905         set the basic block for barriers.
3906
3907 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3908
3909         * var-tracking.c (vt_initialize): Initialize post.
3910
3911 2005-10-21  Devang Patel  <dpatel@apple.com>
3912
3913         PR/24220
3914         * c-common.c (vector_types_convertible_p): Check vector element type.
3915
3916 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3917
3918         * config/sh/sh.c (prepare_move_operands): Handle the address
3919         constant which is a tls symbolic address plus a constant.
3920
3921 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3922
3923         PR driver/24473
3924         * gcc.c (main): Use the correct counter for erroring out
3925         about mulitple files.
3926
3927 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3928
3929         PR target/24465
3930         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3931         use r2 for 64-bit tls .got access.
3932
3933 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3934
3935         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3936         TRUTH_OR_EXPR.
3937
3938 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3939
3940         PR tree-optimization/24307
3941         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3942
3943 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3944
3945         PR middle-end/24295
3946         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3947         alias targets.
3948         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3949         is ready, stop marking functions, but still mark variables.
3950
3951 2005-10-20  Richard Guenther  <rguenther@suse.de>
3952
3953         PR c++/24439
3954         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3955         void type operands.
3956
3957 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3958
3959         PR rtl-optimization/23585
3960         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3961         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3962         (may_trap_p_1): New predicate extracted from...
3963         (may_trap_p): ... here.  Invoke may_trap_p_1.
3964         (may_trap_or_fault_p): New predicate.
3965         * rtl.h (may_trap_or_fault_p): Declare it.
3966         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3967         instead of may_trap_p.
3968         (steal_delay_list_from_fallthrough): Likewise.
3969         (fill_simple_delay_slots): Likewise.
3970         (fill_slots_from_thread): Likewise.
3971         * function.c (pad_to_arg_alignment): Rework comment about
3972         SPARC_STACK_BOUNDARY_HACK.
3973         * config/sparc/sparc.h: Likewise.
3974
3975 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3976
3977         * config/s390/s390.c (s390_expand_insv): New.
3978         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3979         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3980         ("icm_hi"): Remove mode attribute.
3981         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3982         Adjust all uses.
3983         ("*extracthi", "*extractqi"): Remove.
3984         (extv<mode>", "*extzv<mode>"): New.
3985         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3986         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3987
3988 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3989
3990         * cfgexpand.c (discover_nonconstant_array_refs_r,
3991         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3992         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3993         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3994         discover_nonconstant_array_refs.
3995
3996 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3997
3998         PR c/23228
3999         * c-decl.c (pop_scope): Don't warn about an unused variable
4000         if it is marked with TREE_NO_WARNING.
4001         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4002         somenow mismatch and olddecl is to be replaced.
4003
4004 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4005
4006         PR middle-end/23199
4007         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4008         whether registers live on the edge can be saved/restored.
4009
4010 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4011
4012         * config/sh/sh.c (fixup_mova): Skip notes.
4013
4014 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4015
4016         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4017         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4018         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4019         (s390_initial_elimination_offset): Likewise.
4020         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4021         register on TARGET_ZARCH targets.
4022         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4023         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4024         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4025         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4026
4027 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4028
4029         * config/s390/s390.md: Comment describing output modifiers updated.
4030         * config/s390/s390.c (print_operand): Likewise.
4031
4032 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4033
4034         * config/s390/s390.c (override_options): Added check for -mstack-size
4035         64k limitation.
4036         * doc/invoke.texi: Mention that limit in the documenation.
4037
4038 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4039
4040         PR #19672
4041         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4042
4043 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4044
4045         Fix PR tree-optimization/24231
4046
4047         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4048         (compute_avail): Ditto.
4049
4050 2005-10-18  Richard Henderson  <rth@redhat.com>
4051
4052         PR target/24428
4053         * config/i386/i386.c (legitimate_constant_p): Check
4054         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4055         if LABEL_REF.
4056         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4057         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4058         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4059         directly.
4060         (print_operand_address): Likewise.
4061         * config/i386/predicates.md (x86_64_immediate_operand): Test
4062         SYMBOL_REF_TLS_MODEL properly inside CONST.
4063         (x86_64_zext_immediate_operand): Likewise.
4064         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4065         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4066         * config/i386/i386-protos.h: Remove predicates.md entries.
4067
4068 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4069
4070         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4071         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4072
4073 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4074             Ian Lance Taylor <ian@airs.com>
4075
4076         PR middle-end/23522
4077         * fold-const.c (fold_widened_comparison): Do not allow range based
4078         constant folding when right operand cannot be unwidened.
4079
4080 2005-10-17  Richard Henderson  <rth@redhat.com>
4081
4082         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4083         with a memory clobber.
4084
4085 2005-10-17  James E Wilson  <wilson@specifix.com>
4086
4087         PR rtl-optimization/17356
4088         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4089         checking for EDGE_EH.
4090
4091 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4092
4093         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4094         the slot on an even boundary for any type with 16-byte alignment.
4095
4096 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4097
4098         PR target/23424
4099         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4100         after register allocation.
4101
4102 2005-10-17  DJ Delorie  <dj@redhat.com>
4103
4104         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4105         as frame related.
4106
4107 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4108
4109         PR c++/22551
4110         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4111         overflow flags.
4112
4113 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4114
4115         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4116         to 2 if it's already non-zero.
4117         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4118         is set and warn about it if flag_schedule_insns is 1.
4119
4120 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4121
4122         * config/crx/crx.md: Compare-and-branch instructions need to
4123         invalidate CC.
4124
4125 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4126
4127         PR target/24315
4128         * config/i386/i386.md (*pushdi2_rex64 splitter)
4129         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4130         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4131         flow2 pass only when (optimize > 0 && flag_peephole2).
4132
4133 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4134
4135         PR driver/22544
4136         * gcc.c (have_c): New static variable.
4137         (have_o): Likewise.
4138         (process_command): Remove declation of have_c.
4139         Set have_o to 1 when handling -o.
4140         (main): Add a fatel error if there are multiple
4141         files specified and -o and -c/-S is passed witout
4142         -combine or multiple languages.
4143
4144 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4145
4146         Fix PR tree-optimization/22444
4147         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4148         Assert that we don't hit something with subvars.
4149         (setup_pointers_and_addressables): Don't add things with subvars,
4150         because we'll already process the subvars for aliasing purposes.
4151
4152 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4153
4154         PR target/23424
4155         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4156         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4157         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4158         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4159         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4160         swapped, alternatives for the R constraint.
4161
4162         PR middle-end/24341
4163         * builtins.c (get_builtin_sync_mode): Make unlimited
4164         mode_for_size request.
4165
4166 2005-10-15  Richard Henderson  <rth@redhat.com>
4167
4168         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4169         (gimplify_expr): ... here.
4170         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4171         fb_lvalue in base expression.
4172
4173 2005-10-15  Richard Henderson  <rth@redhat.com>
4174
4175         PR 23714
4176         * builtins.c (expand_builtin_trap): Export.
4177         * expr.h (expand_builtin_trap): Declare.
4178         * expr.c (expand_assignment): Emit a trap for integral offsets
4179         from registers that weren't reduced to bitpos.
4180
4181         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4182         (mark_array_ref_addressable): Remove.
4183         * tree-flow.h (mark_array_ref_addressable): Remove.
4184         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4185
4186 2005-10-15  James E Wilson  <wilson@specifix.com>
4187
4188         PR target/24232
4189         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4190         (add_dependence_list_and_free): Likewise.
4191         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4192         call.
4193
4194 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4195
4196         PR 23141
4197         PR 23142
4198         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4199         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4200         anti-range.
4201         (vrp_visit_phi_node): Only prevent infinite iterations when
4202         the previous result and the new result are both VR_RANGEs.
4203
4204 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4205
4206         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4207         function comment.
4208
4209 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4210
4211         PR c/23439
4212         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4213         to initialize loc.
4214
4215 2005-10-14  Per Bothner  <per@bothner.com>
4216
4217         PR preprocessor/21250
4218         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4219
4220 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4221
4222         PR c++/22551
4223         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4224         overflow flags.  Refactor some conditionals.
4225
4226 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4227
4228         PR tree-opt/21304
4229         * tree-dfa.c (add_referenced_var): Only look at decls which
4230         have TREE_CONSTANT or TREE_READONLY set instead of if
4231         !TREE_PUBLIC or !TREE_CONSTANT.
4232
4233 2005-10-13  James E Wilson  <wilson@specifix.com>
4234
4235         * doc/invoke.texi: For -x, add f95-cpp-input.
4236         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4237
4238 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4239
4240         PR tree-optimization/24262
4241         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4242         in loop all the time.
4243
4244 2005-10-12  Richard Henderson  <rth@redhat.com>
4245
4246         PR c/24255
4247         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4248         * function.c (assign_parm_find_data_types): Don't support it.
4249         * print-tree.c (print_node): Likewise.
4250         * c-common.c (handle_transparent_union_attribute): Likewise.
4251         Use build_duplicate_type.
4252         * tree-inline.c (remap_type_1): Split out of remap_type;
4253         properly remap aggregate fields.
4254         (build_duplicate_type): New.
4255         * doc/extend.texi (Variable Attributes): Remove documentation
4256         for transparent_union.
4257
4258 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4259
4260         PR target/24284
4261         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4262         (gen_stack_pointer_dec): Likewise.
4263
4264 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4265
4266         PR middle-end/21275
4267         PR middle-end/21766
4268         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4269         target hook.
4270         (struct cxx): Add adjust_class_at_definition target hook.
4271         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4272         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4273         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4274         hook_void_tree. Add to TARGET_CXX.
4275         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4276         dllimport_flag.
4277         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4278         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4279         instead of attribute. Check for dllexport override.  Warn if
4280         inconsistent dll linkage. Don't lose old dllimport if decl has
4281         had address referenced.   Tweak lookup of dllimport atribute.
4282         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4283         for target specific rules.  Don't add dllimport attribute if
4284         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4285         dllimport attribute.
4286         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4287         * varasm.c (initializer_constant_valid_p): Replace
4288         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4289
4290         PR target/21801
4291         PR target/23589
4292         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4293         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4294         (i[34567]86-*-mingw32*): Likewise.
4295
4296         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4297         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4298
4299         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4300         C++-specific code. Change return value to bool.
4301         (i386_pe_dllimport_p): Likewise.
4302         (associated_type): Simplify and make language-independent
4303         (i386_pe_encode_section_info): Replace override of ambiguous
4304         dllimport symbol refs with a gcc_assert.
4305         (i386_pe_valid_dllimport_attribute_p): Define.
4306         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4307         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4308         i386_pe_adjust_class_at_definition.
4309         * config/i386/winnt-stubs.c: New file. Define stub versions of
4310         lang-specific functions.
4311         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4312         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4313         i386_pe_adjust_class_at_definition.
4314         (i386_pe_valid_dllimport_attribute_p): Declare.
4315         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4316         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4317         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4318
4319         PR target/19704
4320         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4321         dllimport attribute with test of DECL_DLLIMPORT_P.
4322
4323 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4324
4325         * combine.c (make_extraction): Correct offset computation.
4326
4327 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4328
4329         * config/cris/t-linux (LIMITS_H_TEST): Define.
4330
4331 2005-10-12  Richard Henderson  <rth@redhat.com>
4332
4333         PR rtl-opt/23324
4334         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4335
4336 2005-10-12  Richard Guenther  <rguenther@suse.de>
4337
4338         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4339
4340 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4341
4342         PR c++/19964
4343         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4344         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4345         type.
4346
4347 2005-10-12  Richard Guenther  <rguenther@suse.de>
4348
4349         PR c++/23799
4350         * varasm.c (output_constant): Correct typo from previous
4351         patch by DJ.
4352
4353 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4354
4355         PR rtl-optimization/13931
4356         * combine.c: Revert patch of 2003-05-14, and:
4357         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4358         completely killed in the appropriate insn.
4359         (distribute_notes): Don't skip multiple hard register test for
4360         elim_i1 and elim_i2.
4361
4362 2005-10-11  Richard Henderson  <rth@redhat.com>
4363
4364         PR c/24255
4365         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4366         to initialize a transparent union instead of a nop_expr.
4367
4368 2005-10-11  Richard Henderson  <rth@redhat.com>
4369
4370         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4371         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4372         (tree_ssa_dce_loop): Call scev_reset.
4373
4374         PR tree-opt/24300
4375         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4376         * tree-ssa-dce.c: Include cfgloop.h.
4377         (tree_ssa_dce_loop, pass_dce_loop): New.
4378         * tree-pass.h (pass_dce_loop): Declare it.
4379         * passes.c (init_optimization_passes): Use it.
4380
4381 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4382
4383         PR middle-end/24263
4384         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4385         Only apply the optimization for rounding builtins if the inner
4386         cast is also an extension.
4387
4388 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4389
4390         PR tree-opt/23946
4391         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4392         mark_new_vars_to_rename instead of update_stmt.
4393
4394 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4395
4396         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4397
4398 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4399
4400         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4401         for setting MMX register to 0 rather than mmx.
4402
4403 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4404
4405         PR target/12098
4406         * configure.ac: Move gas check from mips specific case to common case.
4407         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4408         * configure: Regenerate
4409         * doc/install.texi: Update.
4410
4411 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4412
4413         PR target/24284
4414         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4415
4416 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4417
4418         * gcc.c (do_spec_1): Accept numeric characters in file name
4419         suffixes.
4420
4421 2005-10-10  Nick Clifton  <nickc@redhat.com>
4422
4423         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4424         describing the deleted arm_gen_rotated_half_load function.
4425
4426 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4427
4428         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4429         __fpscr_values.
4430
4431 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4432
4433         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4434         gnu_ld assignments.
4435         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4436         (EXTRA_MULTILIB_PARTS): Define.
4437         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4438         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4439         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4440         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4441         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4442         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4443
4444 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4445
4446         PR tree-optimization/24226
4447         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4448         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4449         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4450         Export.
4451
4452 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4453
4454         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4455
4456 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4457
4458         PR target/24136
4459         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4460         Rewrite for no need for the early clobber.
4461
4462 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4463
4464         Merge from csl-arm-branch:
4465         2005-09-07  Paul Brook  <paul@codesourcery.com>
4466         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4467         space to string.
4468
4469         2005-04-30  Paul Brook  <paul@codesourcery.com>
4470         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4471         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4472
4473         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4474         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4475         (arm_override_options): Use TARGET_AAPCS_BASED.
4476         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4477         (PTRDIFF_TYPE): Use int for AAPCS.
4478         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4479         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4480         (DEFAULT_SHORT_ENUMS): Delete.
4481         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4482
4483         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4484         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4485         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4486         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4487
4488         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4489         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4490
4491         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4492         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4493
4494         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4495         * config.gcc (arm*-*-linux-gnueabi): Add it.
4496         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4497         redefining it.
4498         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4499         * config/arm/linux-eabi.h: New file.
4500         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4501         (LINUX_TARET_LINK_SPEC): Likewise.
4502         (LINK_SPEC): Use it.
4503         * config/arm/t-linux-eabi: New file.
4504
4505 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4506
4507         PR other/22202
4508         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4509         spaces.
4510         (PARAM_SMS_DFA_HISTORY): Likewise.
4511
4512 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4513
4514         PR middle-end/23150
4515         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4516         (load_register_parameters): Call it.
4517         (check_sibcall_argument_overlap_1): Likewise.
4518         (store_one_arg): Likewise.
4519
4520 2005-10-07  James E. Wilson  <wilson@specifix.com>
4521
4522         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4523         DImode not VECINT24 for operand 2.
4524
4525         PR target/23644
4526         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4527         -mtune-arch.
4528
4529         PR target/24193
4530         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4531         fr_spill): Use destination_operand for operand 0.
4532
4533 2005-10-07  DJ Delorie  <dj@redhat.com>
4534
4535         * varasm.c (output_constant): Limit error to expanding
4536         conversions.
4537
4538 2005-10-07  Richard Guenther  <rguenther@suse.de>
4539
4540         PR middle-end/24227
4541         * fold-const.c (fold_binary): Fix operand types during folding
4542         of X op (A, Y).  Evaluation order of the side-effects of
4543         X and A are frontend-defined, so ensure we honour that even for
4544         tcc_comparison class operands; eased by removing duplicate code.
4545
4546 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4547
4548         * stor-layout.c (layout_type): Do not allow alignment of array
4549         elements to be greater than their size.
4550
4551 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4552
4553         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4554         host_xmake_file.
4555         (hppa*-*-linux*): Ditto.
4556         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4557         * config/host-hpux.c: New.
4558         * config/x-hpux: New.
4559         * config/pa/x-hpux: Remove.
4560         * config/pa/x-linux: Remove.
4561         * config/pa/pa-host.c: Remove.
4562
4563 2005-10-07  Jeff Law  <law@redhat.com>
4564
4565         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4566         determine whether or not to try and thread outgoing edges.
4567
4568 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4569
4570         * config/rs6000/rs6000.md (eqsi_power): New.
4571         (neg_eq0si): Add TARGET_POWER to final condition.
4572         (neg_eqsi): Same.
4573
4574 2005-10-06  Richard Henderson  <rth@redhat.com>
4575
4576         * config/rs6000/rs6000.c: Revert last change.
4577
4578 2005-10-06  Richard Henderson  <rth@redhat.com>
4579
4580         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4581         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4582
4583 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4584
4585         PR middle-end/22216
4586         PR middle-end/23651
4587         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4588         out return_label and naked_return_label.
4589
4590 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4591
4592         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4593         change.
4594
4595 2005-10-06  Richard Henderson  <rth@redhat.com>
4596
4597         PR tree-opt/22237
4598         * tree-inline.c (declare_return_variable): Handle modify_dest not
4599         being a DECL.
4600
4601 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4602
4603         Fix PR tree-optimization/22488
4604         * tree-ssa-structalias.c (check_for_overlaps): New function.
4605         (create_variable_info_for): Use it.
4606
4607 2005-10-06  Richard Henderson  <rth@redhat.com>
4608
4609         PR debug/24070
4610         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4611         (dwarf2out_start_source_file): Print it.
4612
4613 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4614
4615         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4616
4617 2005-10-06  Richard Henderson  <rth@redhat.com>
4618
4619         PR 23706
4620         * mode-switching.c (optimize_mode_switching): Clear transp bit
4621         for block with incomming abnormal edges.
4622
4623         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4624         (fpscr_set_from_mem): Use them.
4625         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4626         (fpscr postinc splitters): Rewrite as peephole2+split.
4627
4628 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4629
4630         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4631         (eq<mode>_compare): Same.
4632
4633 2005-10-06  Richard Guenther  <rguenther@suse.de>
4634
4635         PR tree-optimization/24238
4636         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4637
4638 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4639
4640         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4641         here.  Use AC_PATH_PROG for environment variables instead of
4642         test -x.
4643         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4644         objdump also.
4645         * configure: Regenerated.
4646
4647 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4648
4649         PR target/23783
4650         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4651         then force it into a register.
4652         (call_value): Likewise.
4653
4654 2005-10-06  Richard Henderson  <rth@redhat.com>
4655
4656         PR 24049
4657         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4658         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4659         under pass_vectorize.
4660
4661 2005-10-05  Devang Patel  <dpatel@apple.com>
4662
4663         PR Debug/23205
4664         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4665         handling constants. Check NAMESPACE_DECL context for constants.
4666
4667 2005-10-05  Eric Christopher  <echristo@apple.com>
4668
4669         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4670
4671 2005-10-05  Richard Henderson  <rth@redhat.com>
4672
4673         PR 23714
4674         * tree-cfg.c (mark_array_ref_addressable_1): New.
4675         (mark_array_ref_addressable): New.
4676         * tree-flow.h (mark_array_ref_addressable): Declare.
4677         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4678
4679 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4680
4681         PR middle-end/20606
4682         PR middle-end/24069
4683         * reload.c (subst_reloads): When adding a REG_LABEL to a
4684         jump instruction, also update JUMP_LABEL.
4685
4686 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4687
4688         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4689         * bb-reorder.c (copy_bb_p): Use it.
4690         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4691
4692 2005-10-05  Richard Henderson  <rth@redhat.com>
4693
4694         PR target/23602
4695         * toplev.c (process_options): Warn about unsupported combinations
4696         of unwind tables and omit-frame-pointer.
4697         * config/i386/i386.c (override_options): Similarly.  Enable
4698         accumulate-outgoing-args if not explicitly disabled.
4699
4700 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4701
4702         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4703         Handle big endian vs. small endian.
4704         (vec_initv2sf): Handle big endian vs. small endian.
4705         (*vec_extractv2sf_1): Ditto.
4706
4707 2005-10-05  Dale Johannesen  <dalej@apple.com>
4708
4709         * convert.c (convert_to_real):  Don't convert
4710         (float)floor(double d) to floorf((float)d).
4711
4712 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4713
4714         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4715
4716 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4717
4718         PR tree-optimization/18587
4719         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4720         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4721         build_vuses): Change to VEC type.
4722         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4723         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4724         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4725         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4726         (get_name_decl): New.  Return DECL_UID of base variable.
4727         (operand_build_cmp): New.  qsort comparison routine.
4728         (operand_build_sort_virtual): New.  Sort virtual build vector.
4729         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4730         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4731         (FINALIZE_BASE): Use get_name_decl.
4732         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4733         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4734         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4735         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4736         direct VEC_* manipulations.
4737         (build_ssa_operands): Call operand_build_sort_virtual.
4738         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4739         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4740         with direct VEC_* manipulations.
4741         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4742         with direct VEC manipulations.
4743
4744 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4745
4746         PR tree-optimization/21419
4747         PR tree-optimization/24146
4748         PR tree-optimization/24151
4749
4750         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4751         (build_asm_expr): Call it if outputs are read-only.
4752         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4753
4754 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4755             Paolo Bonzini  <bonzini@gnu.org>
4756
4757         PR target/23809
4758
4759         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4760         enable the instructions and not just the built-ins.
4761         * doc/invoke.texi (x86 Options): Likewise.
4762
4763 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4764
4765         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4766
4767         * doc/invoke.texi (Option Summary): Correct spelling
4768         of -mmacosx-version-min.
4769
4770 2005-10-04  Devang Patel  <dpatel@apple.com>
4771
4772         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4773         real types.
4774
4775 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4776
4777         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4778         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4779
4780 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4781
4782         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4783         ("TE","tg"): New mode attributes.
4784         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4785         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4786         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4787         dword_mode and one for GPRmode.
4788
4789 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4790
4791         PR preprocessor/13726
4792         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4793         any comments passed in.
4794
4795 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4796
4797         * tree.c (annotate_with_file_line): Fix typo.
4798
4799 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4800
4801         PR ada/19382
4802         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4803         type used to access data in the inlined length == 1 case, use
4804         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4805         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4806
4807 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4808
4809         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4810         TARGET_SSE3 and only for TARGET_80387.
4811         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4812         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4813         Do not depend on TARGET_80387.
4814
4815 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4816
4817         * tree.c (last_annotated_node): Change type to location_t*.
4818         (annotate_with_file_line): Reflect the change of
4819         last_annotated_node type.
4820
4821 2005-10-04  Richard Guenther  <rguenther@suse.de>
4822
4823         PR c/23576
4824         * c-decl.c (grokdeclarator): Don't write to fields
4825         of error_mark_node.
4826
4827 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4828
4829         PR middle-end/23125
4830         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4831         register variables.
4832         * varasm.c (make_decl_rtl): If a register variable does not
4833         have a set user assmbler name, error out.
4834         Decode the asmspec is now name+1 bypassing '*'.
4835
4836 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4837
4838         PR tree-optimization/23049
4839         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4840         of a COND_EXPR is folded before calling fold on the whole rhs of a
4841         conditional assignment.
4842         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4843         document that a COND_EXPR may appear there.
4844
4845 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4846
4847         PR 23445
4848         * tree-vrp.c (extract_range_from_assert): If the new numeric
4849         range created out of the assertion contradicts the existing
4850         numeric range of the ASSERT_EXPR variable, make the new range
4851         varying.
4852
4853 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4854
4855         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4856         from T_REGS to FP register class.
4857
4858 2005-10-03  Richard Henderson  <rth@redhat.com>
4859
4860         PR 24135
4861         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4862         before creating a new one.
4863
4864 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4865
4866         * config/rs6000/t-aix43 (LDFLAGS): New.
4867         * config/rs6000/t-aix52 (LDFLAGS): New.
4868
4869 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4870
4871         * gimplify.c (find_single_pointer_decl_1): New static function.
4872         (find_single_pointer_decl): New static function.
4873         (internal_get_tmp_var): For a formal variable, set restrict base
4874         information if appropriate.
4875         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4876         return it.
4877         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4878         (DECL_GET_RESTRICT_BASE): Define.
4879         (SET_DECL_RESTRICT_BASE): Define.
4880         (decl_restrict_base_lookup): Declare.
4881         (decl_restrict_base_insert): Declare.
4882         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4883         * tree.c (restrict_base_for_decl): New static variable.
4884         (init_ttree): Initialize restrict_base_for_decl.
4885         (copy_node_stat): Copy restrict base information.
4886         (decl_restrict_base_lookup): New function.
4887         (decl_restrict_base_insert): New function.
4888         (print_restrict_base_statistics): New static function.
4889         (dump_tree_statistics): Call print_restrict_base_statistics.
4890
4891 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4892
4893         PR 24142
4894         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4895         case of anti-ranges.
4896
4897 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4898
4899         PR c/18851
4900         * c-typeck.c (tagged_tu_seen): Rename to ...
4901         (tagged_tu_seen_cache): this and add val field.
4902         (comptypes): Move functional to comptypes_internal
4903         and free tagged_tu_seen.
4904         (comptypes_internal): New function and call comptypes_internal
4905         instead of comptypes. Speed up by sibcalling
4906         tagged_types_tu_compatible_p.
4907         (alloc_tagged_tu_seen): New function
4908         (free_all_tagged_tu_seen_up_to): New function.
4909         (tagged_types_tu_compatible_p): Return the val of the seen two
4910         types.
4911         Add that the two types are the same to tagged_tu_seen_base
4912         if they are and call comptypes_internal instead of comptypes.
4913         <case UNION_TYPE>: Speed up common type where the fields are
4914         in the same order.
4915         (function_types_compatible_p): Call comptypes_internal instead of
4916         comptypes.
4917         (type_lists_compatible_p): Likewise.
4918         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4919
4920 2005-10-02  Matthias Klose  <doko@debian.org>
4921
4922         * doc/invoke.texi: Fix typo and speling error.
4923
4924 2005-10-01  Richard Henderson  <rth@redhat.com>
4925
4926         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4927
4928 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4929
4930         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4931         using --start-group and --end-group.
4932
4933 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4934
4935         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4936         FIXME note regarding quirky semantics.
4937
4938 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4939
4940         PR 24141
4941         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4942         non-null range as a last resort.
4943
4944 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4945             Diego Novillo  <dnovillo@redhat.com>
4946
4947         PR 23604
4948         * tree-vrp.c (extract_range_from_assert): For !=
4949         assertions, only build an anti-range if LIMIT is a
4950         single-valued range.
4951
4952 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4953
4954         * arm.md (movqi): On thumb when optimizing, handle loading from
4955         memory by describing this as taking a subreg of a zero-extended load
4956         into an SImode register.
4957         (movhi): Likewise.
4958
4959 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4960
4961         * reload1.c (merge_assigned_reloads): Do not change any
4962         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4963
4964 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4965
4966         * Makefile.in (LIPO_FOR_TARGET): Define.
4967         (STRIP_FOR_TARGET): Define.
4968
4969         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4970         before creating new ones.  Do symlinks before creating the actual
4971         targets.
4972
4973         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4974         to work out which multilibs are actually being built.
4975
4976 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4977
4978         * tree-vect-transform.c, config/ms1/ms1.md,
4979         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4980         Follow spelling conventions.
4981         * doc/invoke.texi, doc/md.texi: Fix typos.
4982
4983 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4984
4985         PR tree-optimization/21430
4986         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4987         use operands, and set stmt pointer if need be.
4988         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4989         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4990         present.
4991
4992 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4993
4994         PR middle-end/24053
4995         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4996
4997 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4998
4999         * optabs.c (expand_binop): Initialize first_pass_p.
5000
5001 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5002
5003         PR middle-end/24109
5004         * c-decl.c (c_write_global_declarations_1): If any
5005         wrapup_global_declaration_2 call returned true, restart the loop.
5006
5007 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5008
5009         Fix PR tree-optimization/24117
5010         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5011         before considering whether to use anyoffset.
5012
5013 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5014
5015         Revert this patch:
5016
5017         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5018
5019         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5020         to order operands.
5021         (swap_commutative_operands_with_target): New.
5022
5023 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5024
5025         PR c/21419
5026         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5027         read-only.
5028
5029 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5030
5031         PR tree-optimization/23911
5032         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5033         and IMAGPART_EXPR too.
5034
5035 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5036
5037         PR 17886
5038         * expmed.c (expand_shift): Move logic to reverse rotation
5039         direction when  rotating by constants ...
5040         * optabs.c (expand_binop): ... here.
5041         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5042         (ix86_rotrdi3): New pattern.
5043         (rotldi3): Handle 32-bit mode.
5044         (ix86_rotldi3): New pattern.
5045
5046 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5047
5048         PR target/24102
5049         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5050         check for numbers that need no bit twiddle.
5051
5052 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5053
5054         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5055         multilib to be built.
5056
5057         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5058         (stage1-start): Delete old libgcc and libunwind before moving
5059         anything into the stage directory.
5060         (stage2-start): Likewise.
5061         (stage3-start): Likewise.
5062         (stage4-start): Likewise.
5063         (stageprofile-start): Likewise.
5064         (stagefeedback-start): Likewise.
5065         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5066         header in tm_file and CPU-specific t-darwin in tmake_file.
5067         (i[34567]86-*-darwin*): Don't change tm_file.
5068         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5069         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5070         shared library stub for target OS version.
5071         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5072         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5073         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5074         (libgcc_s.%.dylib): New.
5075         (LIBGCC): Define.
5076         (install-darwin-libgcc-stubs): New.
5077         (INSTALL_LIBGCC): New append.
5078         * config/i386/darwin-libgcc.10.4.ver: New.
5079         * config/i386/darwin-libgcc.10.5.ver: New.
5080         * config/i386/t-darwin: New.
5081         * config/rs6000/darwin-libgcc.10.4.ver: New.
5082         * config/rs6000/darwin-libgcc.10.5.ver: New.
5083         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5084         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5085
5086 2005-09-28  Paul Brook  <paul@codesourcery.com>
5087
5088         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5089         denormals.
5090
5091 2005-09-28  Richard Guenther  <rguenther@suse.de>
5092
5093         PR tree-optimization/23853
5094         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5095         host_integerp to verify misalignment value.
5096
5097 2005-09-28  Richard Henderson  <rth@redhat.com>
5098
5099         * builtins.c (get_builtin_sync_mode): New.
5100         (expand_builtin_sync_operation): Pass in mode argument.
5101         (expand_builtin_compare_and_swap): Likewise.
5102         (expand_builtin_lock_test_and_set): Likewise.
5103         (expand_builtin_lock_release): Likewise.
5104         (expand_builtin): Update to match.
5105
5106 2005-09-28  Nick Clifton  <nickc@redhat.com>
5107
5108         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5109         formatting.  Add check to PLUS case to ensure that the offset is
5110         within an acceptable range.
5111
5112         * config/v850/v850.md (casesi): Disable the generation of the
5113         switch pattern as it is not being handled properly at the moment.
5114
5115         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5116         for when the high words are identical.
5117
5118 2005-09-27  Richard Henderson  <rth@redhat.com>
5119
5120         * pretty-print.c (pp_base_format): Fix typo for %>.
5121
5122 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5123             Devang Patel  <dpatel@apple.com>
5124
5125         PR tree-optimization/23625
5126         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5127         LABEL_EXPR, assertion check.
5128
5129 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5130
5131         * optabs.c (no_conflict_move_test): Check if a result of a
5132         to-be-moved insn would be clobbered by an originally
5133         preceding insn.
5134
5135 2005-09-27  Jeff Law  <law@redhat.com>
5136
5137         * passes.c (init_optimization_passes): Replace copy propagation
5138         passes immediately after DOM with phi-only copy propagation
5139         pases.  Add phi-only copy propagation pass after first DOM pass.
5140         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5141         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5142         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5143         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5144         to init_copy_prop.  Callers updated.
5145         (do_phi_only_copy_prop): New function.
5146         (pass_phi_only_copy_prop): New pass descriptor.
5147
5148 2005-09-27  Nick Clifton  <nickc@redhat.com>
5149
5150         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5151
5152 2005-09-26  Jason Merrill  <jason@redhat.com>
5153
5154         PR c++/13764
5155         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5156
5157         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5158
5159 2005-09-26  James E Wilson  <wilson@specifix.com>
5160
5161         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5162         copyright.  Add gcc copyright plus libgcc exception.
5163         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5164         copyright.
5165         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5166
5167 2005-09-26  Jeff Law  <law@redhat.com>
5168
5169         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5170         about when to iterate.
5171
5172 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5173
5174         PR target/23847
5175         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5176         for __complex__ double in -mcpu=G5 mode.
5177
5178 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5179
5180         PR tree-optimization/23942
5181         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5182         * tree-scalar-evolution.c: Include params.h.
5183         (t_bool): New enum.
5184         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5185         follow_ssa_edge_in_condition_phi_branch,
5186         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5187         Change return type to t_bool.  Use a parameter to limit the size of
5188         trees that are walked before stopping
5189         (analyze_evolution_in_loop): Initialize the limit to 0.
5190         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5191         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5192
5193 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5194
5195         PR middle-end/23831
5196         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5197         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5198
5199 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5200
5201         * combine.c (make_extraction): Check for valid use of subreg.
5202
5203 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5204
5205         PR target/24055
5206         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5207         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5208         ("fist<mode>2_with_temp"): Use only register operands.
5209
5210 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5211
5212         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5213         CALL_INSN_FUNCTION_USAGE.
5214
5215 2005-09-26  Richard Guenther  <rguenther@suse.de>
5216
5217         PR middle-end/15855
5218         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5219         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5220         (ldst_entry): Use the hashtable instead of list-walking.
5221         (find_rtx_in_ldst): Likewise.
5222         (free_ldst_entry): Free the hashtable.
5223         (compute_ld_motion_mems): Create the hashtable.
5224         (trim_ld_motion_mems): Remove entry from hashtable if
5225         removing it from list.
5226         (compute_store_table): Likewise^2.
5227         (store_motion): Free hashtable in case we did not see
5228         any stores.
5229
5230 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5231
5232         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5233         and arg1 if we are passing them to fold_build2.
5234
5235 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5236
5237         PR 23828
5238         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5239         a nested function.
5240
5241 2005-09-25  Richard Henderson  <rth@redhat.com>
5242
5243         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5244         SYMBOL_REF_TLS_MODEL to be correct.
5245
5246 2005-09-24  Richard Henderson  <rth@redhat.com>
5247
5248         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5249         end of function.  Reindent.
5250
5251 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5252
5253         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5254         NEGATE_EXPR/BIT_NOT_EXPR case.
5255
5256 2005-09-24  Richard Henderson  <rth@redhat.com>
5257
5258         * c-common.c (handle_mode_attribute): When not modifying in place,
5259         create subtypes for enumerations.
5260         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5261         * gimplify.c (create_tmp_from_val): Likewise.
5262
5263 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5264
5265         * config/i386/i386.md (*tls_global_dynamic_64,
5266         *tls_local_dynamic_base_64): Add missing mode to call.
5267         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5268
5269 2005-09-24  Jan Hubicka  <jh@suse.cz>
5270
5271         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5272         (cgraph_clone_node): Likewise.
5273         * cgraph.h (cgraph_clone_edge): Update prototype.
5274         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5275         duplicated prototypes; add updating argument.
5276         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5277         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5278         updating profile.
5279         (cgraph_mark_inline_edge): Likewise.
5280         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5281         (cgraph_flatten_node): Likewise.
5282         (cgraph_decide_recursive_inlining): Likewise.
5283         (cgraph_decide_inlining_of_small_function): Likewise.
5284         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5285
5286 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5287             Pete Steinmetz <steinmtz@us.ibm.com>
5288
5289         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5290         (rldic.): Set type to "compare".
5291         (rldicr.): Same.
5292         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5293         mfjmpr for MFCTR/MFLR.
5294         (movdf_hardfloat64): Same.
5295         (movdf_softfloat64): Same.  Correct order of store and move types.
5296         (movti_string): Set type to store_ux/load_ux.
5297         (load_multiple): Set type to load_ux.
5298         (store_multiple): Set type to store_ux.
5299         (movmemsi): Set type to store_ux.
5300         (output_cbranch direct_return): Set type to jmpreg.
5301         (stmw): Set type to store_ux.
5302         (lmw): Set type to load_ux.
5303         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5304         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5305         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5306         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5307         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5308         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5309         (rios1-fpstore): Increase latency to 3.
5310         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5311         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5312
5313 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5314             Andrew Pinski  <pinskia@physics.uc.edu>
5315
5316         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5317         operand2 constraint to "b".
5318         (sync_<fetchop_name>di_internal): Same.
5319         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5320         to "b".
5321         (sync_old_<fetchop_name>di_internal): Same.
5322         (sync_new_<fetchop_name>si_internal): Same.
5323         (sync_new_<fetchop_name>di_internal): Same.
5324
5325 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5326
5327         PR middle-end/23991
5328         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5329         case, define as macros.
5330
5331         PR rtl-optimization/23837
5332         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5333         clobber / clobber match between dest and p->first.
5334
5335         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5336         (no_conflict_move_test): Update comments.
5337
5338 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5339
5340         * doc/install.texi: Update URL for Jacks.
5341         * doc/sourcebuild.texi: Likewise.
5342
5343 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5344
5345         PR target/24007
5346         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5347         registers when choosing register preferences.
5348         (movdf_hardfloat64): Same.
5349
5350 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5351
5352         * expmed.c (expand_shift): Don't use the target of the rotate as
5353         target for the first expanded shift insn.
5354         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5355
5356 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5357
5358         PR tree-optimization/22438
5359         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5360         preserved iv rhs rewriting specially.
5361
5362 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5363
5364         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5365         estimate_only  is true.
5366         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5367         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5368         tree-ssa-structalias.c
5369         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5370         ref_contains_indirect_ref.
5371         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5372
5373 2005-09-21  DJ Delorie  <dj@redhat.com>
5374
5375         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5376         MASK_PTR_A0D0.
5377         (mn10300_return_in_memory): Support variable size types also.
5378         (mn10300_pass_by_reference): Likewise.
5379         (mn10300_function_value): New.
5380         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5381         (FUNCTION_OUTGOING_VALUE): Likewise.
5382         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5383         * doc/invoke.texi: Document it.
5384
5385 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5386
5387         PR target/22585
5388         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5389         force integer op1 into register for XFmode compares.
5390
5391 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5392
5393         PR middle-end/23971
5394         * expmed.c (alg_code): Add alg_impossible.
5395         (alg_hash_entry): Add cost.
5396         (synth_mult): Record alg_impossible in the hash table if
5397         multiplication by a given integer is impossble within the
5398         limit.  Speed up using alg_impossible.
5399
5400 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5401
5402         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5403         argument.  Allow and set any offset if needs_anyoffset is passed
5404         in.
5405         (get_constraint_for): Add argument here too.
5406         Pass it down.
5407         (do_structure_copy): Pass NULL to get_constraint_for.
5408         (handle_ptr_arith): Ditto.
5409         (find_func_aliases): Ditto.
5410
5411 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5412
5413         PR rtl-optimization/23898
5414         * output.h (get_attr_min_length): Declare.
5415         * final.c (get_attr_length_1): New function, broken out of:
5416         (get_attr_length).
5417         (get_attr_min_length): New function.
5418         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5419         (duplicate_computed_gotos): Likewise.
5420         * genattr.c (insn_min_length): Generate declaration.
5421         * genattrtab.c (min_fn, min_attr_value): New functions.
5422         (make_length_attrs): Generate insn_min_length.
5423
5424 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5425
5426         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5427
5428 2005-09-20  Richard Henderson  <rth@redhat.com>
5429
5430         PR tree-optimization/24059
5431         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5432         EXPAND_STACK_PARM.
5433
5434 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5435
5436         * c.opt (fextended-identifiers): New.
5437         * c-opts.c (c_common_handle_option): Handle
5438         -fextended-identifiers.
5439         * doc/cpp.texi: Update documentation of extended identifiers.
5440         * doc/cppopts.texi (-fextended-identifiers): Document.
5441
5442 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5443
5444         PR tree-optimization/23929
5445         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5446         if expr is NULL.
5447
5448         PR tree-optimization/23818
5449         * tree-stdarg.c (execute_optimize_stdarg): Call
5450         calculate_dominance_info.
5451
5452 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5453
5454         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5455         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5456         (compute_overlap_steps_for_affine_1_2): Use
5457         get_number_of_iters_for_loop.
5458         (analyze_subscript_affine_affine): Check whether difference is
5459         zero first.
5460         Use get_number_of_iters_for_loop.
5461         Check whether overlap occurs outside of bounds.
5462         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5463
5464 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5465
5466         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5467         base register if possible.
5468
5469 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5470
5471         PR tree-optimization/18463
5472         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5473         converting it directly is not possible.
5474         (chrec_convert_aggressive): New function.
5475         * tree-chrec.h (chrec_convert_aggressive): Declare.
5476         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5477         Fold chrec conversions aggressively if asked to.
5478         (instantiate_parameters): Modified because of changes in
5479         instantiate_parameters_1.
5480
5481 2005-09-19  Richard Henderson  <rth@redhat.com>
5482
5483         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5484         (reduc_splus_v2df): New.
5485
5486 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5487
5488         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5489         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5490
5491 2005-09-19  Richard Henderson  <rth@redhat.com>
5492
5493         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5494         vcondu<SSEMODE12>.
5495
5496 2005-09-19  Richard Henderson  <rth@redhat.com>
5497
5498         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5499         (ia64_expand_dot_prod_v8qi): New.
5500         * config/ia64/ia64-protos.h: Update.
5501         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5502         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5503         sdot_prodv8qi, sdot_prodv4hi): New.
5504         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5505
5506 2005-09-19  Richard Henderson  <rth@redhat.com>
5507
5508         PR 23941
5509         * real.c (exact_real_truncate): Return false if the format cannot
5510         represent the number as a normal.
5511
5512         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5513         for a memory source.
5514
5515 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5516
5517         * tree-ssa-operands.c (swap_tree_operands): Export.
5518         * tree.h (swap_tree_operands): Declare.
5519         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5520         Call swap_tree_operands.
5521
5522 2005-09-19  Richard Henderson  <rth@redhat.com>
5523
5524         * tree-flow.h (merge_alias_info): Declare.
5525         * tree-ssa-copy.c (merge_alias_info): Export.
5526         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5527         (vect_create_data_ref_ptr): Use create_iv directly.
5528         (vectorizable_load): Use correct types for integer constants.
5529         (vect_generate_tmps_on_preheader): Likewise.
5530         (vect_gen_niters_for_prolog_loop): Likewise.
5531
5532 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5533
5534         PR rtl-optimization/23943
5535         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5536
5537 2005-09-18  Jan Hubicka  <jh@suse.cz>
5538
5539         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5540
5541 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5542
5543         * varasm.c (output_constant): Do not abort on conversions to union
5544         types between different sizes.
5545
5546 2005-09-18  Richard Guenther  <rguenther@suse.de>
5547
5548         PR middle-end/23944
5549         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5550         fallback.
5551
5552 2005-09-18  Paul Brook  <paul@codesourcery.com>
5553
5554         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5555
5556 2005-09-17  Richard Henderson  <rth@redhat.com>
5557
5558         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5559         * tree-ssa-loop.c (pass_vect_dce): Remove.
5560         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5561         of pass_vectorize.
5562
5563 2005-09-17  Richard Henderson  <rth@redhat.com>
5564
5565         * tree-pass.h (pass_vect_dce): Declare.
5566         * passes.c (init_optimization_passes): Add it.
5567         * tree-flow.h (tree_ssa_dce): Declare.
5568         * tree-ssa-dce.c (tree_ssa_dce): Export.
5569         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5570         (gate_tree_vectorize): ... here.
5571         (pass_vect_dce): New.
5572
5573 2005-09-17  Jan Hubicka  <jh@suse.cz>
5574
5575         * except.c (struct eh_status): Turn region_array into vec.
5576         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5577         convert_from_eh_region_ranges, find_exception_handler_labels,
5578         current_function_has_exception_handlers, assign_filter_values,
5579         build_post_landing_pads, dw2_build_landing_pads,
5580         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5581         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5582         foreach_reachable_handler, can_throw_internal_1,
5583         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5584         region_array.
5585         (duplicate_eh_region_1): Update region_array.
5586         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5587
5588 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5589
5590         PR middle-end/22067
5591         * expmed.c (expand_mult): Substitute simple register for op0 when
5592         computing max_cost.
5593
5594 2005-09-17  Richard Henderson  <rth@redhat.com>
5595
5596         * expr.c (emit_move_via_integer): Add force argument, pass it on
5597         to emit_move_change_mode.  Update callers.
5598         (emit_move_complex): Pass true to new force argument.
5599         * function.c (expand_function_end): Move expand_eh_return call
5600         earlier.  Merge sub-word complex values into a pseudo before
5601         copying to the return hard register.
5602
5603 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5604
5605         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5606         between different sizes.
5607
5608 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5609
5610         PR 23903
5611
5612         * passes.c (init_optimization_passes): Register dump files for
5613         IPA passes first.
5614
5615 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5616
5617         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5618         * config/s390/s390.c (s390_overlap_p): New function.
5619         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5620         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5621         condition.
5622
5623 2005-09-16  Richard Guenther  <rguenther@suse.de>
5624
5625         * ipa-pure-const.c (static_execute): Free auxiliar information.
5626         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5627         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5628
5629 2005-09-15  DJ Delorie  <dj@redhat.com>
5630
5631         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5632
5633 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5634
5635         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5636         to order operands.
5637         (swap_commutative_operands_with_target): New.
5638
5639 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5640
5641         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5642         parameter.
5643         Update callers.
5644         (estimate_iters_using_array): New function.
5645         * tree-data-ref.h (estimate_iters_using_array): Prototype
5646         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5647         Use estimate_iters_using_array instead of analyze_array.
5648
5649 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5650
5651         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5652         as addressable.
5653
5654 2005-09-15  Michael Matz  <matz@suse.de>
5655
5656         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5657
5658 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5659
5660         PR tree-optimization/23835
5661         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5662         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5663
5664 2005-09-14  Richard Henderson  <rth@redhat.com>
5665
5666         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5667         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5668
5669 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5670
5671         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5672         in the ARRAY_TYPE case.
5673
5674 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5675
5676         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5677
5678 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5679
5680         PR middle-end/22480
5681         * tree-vect-transform.c (vectorizable_operation): Return false for
5682         scalar shift operations and for vector shift operations with
5683         non-invariant shift arguments.  Use scalar tree operand op1 as
5684         a shift operand when vector shift insn pattern uses scalar shift
5685         operand.
5686         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5687
5688 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5689
5690         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5691         value if it has side-effects.
5692
5693 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5694
5695         PR target/22068
5696         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5697
5698 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5699
5700         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5701         passed as NAME as if it were label at start of function code.
5702
5703 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5704
5705         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5706         the constraints.
5707
5708 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5709
5710         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5711         as early clobber.  Rewrite so the PIC register is not implicitly used.
5712
5713 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5714
5715         * tree.c (annotate_with_file_line): Compare line numbers before
5716         file names.
5717
5718 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5719
5720         PR target/23816
5721         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5722         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5723
5724 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5725
5726         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5727         than a HOST_WIDEST_INT to gen_doloop_begin.
5728
5729 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5730
5731         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5732
5733 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5734
5735         PR tree-optimize/23817
5736         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5737
5738 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5739
5740         PR target/23774
5741         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5742         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5743         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5744         (restore_stack_nonlocal): Likewise.
5745         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5746
5747 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5748
5749         PR g++/7874
5750         * c.opt (ffriend-injection): New C++ option.
5751         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5752         (C++ Dialect Options): Document -ffriend-injection.
5753
5754 2005-09-12  Josh Conner  <jconner@apple.com>
5755
5756         PR middle-end/23237
5757         * ipa-reference.c (static_execute): Don't mark variables in
5758         named sections TREE_READONLY.
5759
5760 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5761
5762         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5763         stack_tie.
5764
5765 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5766
5767         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5768         V_MUST_DEF instead of just the first_use_p.
5769         Don't mark the virtual variables for renaming on the statement which
5770         is being removed.
5771         (pass_dse): Remove TODO_update_ssa.
5772
5773 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5774
5775         PR middle-end/23290
5776         * stor-layout.c (compute_record_mode): For records with a single
5777         field, actually check the field's mode size against the type size.
5778
5779         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5780         registers for TARGET_SHMEDIA.
5781         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5782         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5783         of GENERAL_REGS and FP_REGS.
5784
5785 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5786
5787         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5788
5789 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5790
5791         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5792         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5793         are omitted.  Exclude stack_tie insn too.
5794
5795 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5796
5797         PR rtl-optimization/23098
5798         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5799         0.0f is easy.
5800         * config/rs6000/rs6000.md (movdf splitter): Use
5801         const_double_operand predicate for TARGET_POWERPC64.
5802         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5803         SYMBOL_REF method to ABI_V4.
5804
5805         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5806         replace_equiv_address.
5807         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5808         rs6000_sr_alias_set and MEM_NOTRAP.
5809         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5810
5811 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5812
5813         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5814         handle CALL_EXPR again.
5815
5816 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5817
5818         * arm/predicates.md (alignable_memory_operand): Delete.
5819
5820 2005-09-10  Richard Henderson  <rth@redhat.com>
5821
5822         PR debug/23806
5823         * dbxout.c (dbxout_expand_expr): New.
5824         (dbxout_symbol): Use it.
5825
5826 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5827
5828         * arm.c (arm_gen_rotated_half_load): Delete.
5829         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5830         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5831         (thumb_set_return_address): Likewise.
5832         (thumb_load_double_from_address): Use adjust_address.
5833         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5834         (extendhsisi2_mem, movhi_bytes): Use change_address.
5835         (movhi): Use widen_memory_access.
5836         (reload_out_df): Use replace_equiv_address.
5837         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5838
5839 2005-09-09  Richard Henderson  <rth@redhat.com>
5840
5841         PR debug/20998
5842         * dbxout.c: Include expr.h.
5843         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5844         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5845         * Makefile.in (dbxout.o): Add EXPR_H.
5846
5847 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5848
5849         PR tree-optimization/23509
5850         * tree-cfg.c (replace_uses_by): Use replace_exp.
5851         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5852         pointers have name_mem_tag or type_mem_tag set.
5853
5854 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5855
5856         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5857         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5858         of wrongly accessing operands.
5859
5860 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5861
5862         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5863         * tree-chrec.c: Include tree-scalar-evolution.h.
5864         (chrec_convert): Instantiate the base and step before calling
5865         scev_probably_wraps_p that would fail on parametric evolutions.
5866         Collect all the fails into a single section failed_to_convert,
5867         print a diagnostic, and return chrec_dont_know instead of calling
5868         fold_convert.
5869         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5870         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5871         phi nodes.
5872         (scev_const_prop): Don't replace the definition of a loop closed ssa
5873         phi node by itself, or by another loop closed ssa phi node.
5874         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5875         that base and step are defined.
5876
5877 2005-09-09  Richard Guenther  <rguenther@suse.de>
5878
5879         PR c++/23624
5880         * fold-const.c (fold_ternary): Check truth_value_p before
5881         calling invert_truthvalue.
5882
5883 2005-09-09  Nick Clifton  <nickc@redhat.com>
5884
5885         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5886         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5887         dimension of these arrays.
5888         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5889         these arrays.
5890         * longlong.h: Only provide a prototype for the __clz_tab[] array
5891         if this header has not been included from libgcc2.h.
5892         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5893         defining own types.
5894         Provide prototypes for exported functions.
5895         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5896         libgcc2.c.
5897
5898 2005-09-08  Josh Conner  <jconner@apple.com>
5899
5900         PR c++/21135
5901         PR c++/23180
5902         * expr.c (expand_expr_addr_expr_1): Don't invoke
5903         expand_simple_binop for EXPAND_INITIALIZER.
5904
5905 2005-09-08  Richard Henderson  <rth@redhat.com>
5906
5907         PR debug/23190
5908         * toplev.c (wrapup_global_declaration_1): Split out ...
5909         (wrapup_global_declaration_2): ... from ...
5910         (wrapup_global_declarations): ... here.  Return bool.
5911         (check_global_declaration_1): Split out ...
5912         (check_global_declarations): from here.
5913         (emit_debug_global_declarations): New.
5914         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5915         check_global_declaration_1, emit_debug_global_declarations): Declare.
5916         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5917         of decls.  Call wrapup_global_declaration_1,
5918         wrapup_global_declaration_2, check_global_declaration_1 directly.
5919         (c_write_global_declarations_2): New.
5920         (ext_block): New.
5921         (c_write_global_declarations): Call c_write_global_declarations_2.
5922         * langhooks.c (write_global_declarations): Call
5923         emit_debug_global_declarations.
5924
5925         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5926         remove decls that have DECL_RTL_SET_P.
5927         * passes.c (rest_of_decl_compilation): Invoke
5928         cgraph_varpool_finalize_decl for all but functions.
5929
5930 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5931
5932         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5933         the result of a conversion if the new min and max cannot be compared.
5934
5935 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5936
5937         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5938         (override_options): Setting s390_sr_alias_set removed.
5939         (save_fpr, save_gprs): Set alias set to vararg or frame.
5940         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5941         s390_sr_alias_set with get_frame_alias_set ().
5942         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5943         get_varargs_alias_set ().
5944
5945 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5946
5947         PR objc/20574
5948         PR objc/19324
5949         * c-parser.c (c_parser_objc_method_definition): If the next
5950         token is not "{", error out and don't start the function.
5951
5952 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5953
5954         * tree-vrp.c (extract_range_from_expr): Move the check for non
5955         nullness after the check for gimple invariant.
5956
5957 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5958
5959         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5960
5961 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5962
5963         PR target/23747
5964         * config/m32r.md (movmemsi_internal): Canonicalize order of
5965         operands in PLUS component of template.
5966
5967 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5968
5969         * reload1.c (fixup_eh_region_note): Remove assertion.
5970         (fixup_abnormal_edges): Reverted removal of call to
5971         find_many_sub_basic_blocks made on 2005-08-31.
5972
5973 2005-09-07  Richard Henderson  <rth@redhat.com>
5974
5975         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5976         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5977         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5978         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5979         rearrange for better packing.
5980         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5981         (lookup_cfa_1): Remove inline marker.
5982         (cfa_equal_p): Split out of ...
5983         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5984         (build_cfa_loc): Handle !cfa->indirect.
5985         (frame_pointer_cfa_offset): New.
5986         (dbx_reg_number): Assert register elimination performed; do
5987         leaf register remapping.
5988         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5989         (eliminate_reg_to_offset): New.
5990         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5991         for verifiably local stack frame addresses; re-base to CFA.
5992         (mem_loc_descriptor): Remove can_use_fbreg argument.
5993         (concat_loc_descriptor, loc_descriptor): Likewise.
5994         (containing_function_has_frame_base): Remove.
5995         (rtl_for_decl_location): Don't do register elimination or
5996         leaf register remapping here.
5997         (secname_for_decl): Split out from ..
5998         (add_location_or_const_value_attribute): ... here.
5999         (convert_cfa_to_loc_list): New.
6000         (compute_frame_pointer_to_cfa_displacement): New.
6001         (gen_subprogram_die): Use them.
6002         * tree.h (frame_base_decl): Remove.
6003         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6004         (prologue_stack_adjust): Remove.
6005         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6006         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6007         (set_frame_base_location): Remove.
6008         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6009         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6010         (vt_add_function_parameters): Don't eliminate_regs.
6011         (vt_initialize): Don't create frame_base_decl.
6012
6013 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6014
6015         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6016         version of GNU binutils for 4.x and later.
6017
6018 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6019
6020         * ggc-page.c (ggc_push_context): Remove.
6021         (ggc_pop_context): Likewise.
6022         * ggc.h (ggc_push_context): Remove.
6023         (ggc_pop_context): Likewise.
6024
6025 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6026
6027         PR target/8973
6028         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6029         returning from an interrupt handler.
6030
6031 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6032
6033         PR target/8972
6034         * config/arc/arc.c (output_shift): Add check for loop count when
6035         optimizing.
6036
6037 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6038
6039         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6040         form manually.
6041         (abs_replacement): Likewise.
6042         (pass_phiopt): Remove TODO_update_ssa.
6043
6044 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6045
6046         PR c/23075
6047         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6048         if "return with no value, in function returning non-void" warning
6049         has been issued.
6050         * tree-cfg.c (execute_warn_function_return): Don't look at
6051         RETURN_EXPRs with TREE_NO_WARNING set.
6052
6053         PR target/22362
6054         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6055         for internal functions doesn't use registers used by global registers
6056         variables.  Use fewer register parameters if there are global register
6057         variables.
6058
6059 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6060             Eric Botcazou  <ebotcazou@adacore.com>
6061
6062         PR middle-end/14997
6063         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6064         when we would be extracting outside its bit span (bitpos+bitsize
6065         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6066         Ada unchecked conversions.
6067
6068 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6069
6070         * tree-ssa-pre.c (try_look_through_load): New function.
6071         (compute_avail): Use it to try to look through loads for some
6072         more useful expressions.
6073
6074 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6075
6076         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6077         condition for detecting cases like (a&a) and (a^a).
6078
6079 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6080
6081         * common.opt: Add option ftree-vect-loop-version.
6082         * params.def: Add --param vect-max-version-checks.
6083         * doc/invoke.texi: Document ftree-vect-loop-version and
6084         --param vect-max-version-checks.
6085         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6086         may_misalign_stmts and defines for accessors.
6087         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6088         LOOP_VINFO_MAY_MISALIGN_STMTS.
6089         (destroy_loop_vec_info): VEC_free for
6090         LOOP_VINFO_MAY_MISALIGN_STMTS.
6091         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6092         Update documentation.
6093         (vect_update_misalignment_for_peel): New.
6094         (vect_enhance_data_refs_alignment): Update to choose loop
6095         peeling or loop versioning if appropriate for the (potentially)
6096         unaligned data references in the loop.
6097         (vect_analyze_data_refs_alignment): Remove call to
6098         vect_enhance_data_refs_alignment so the checks can be done
6099         earlier.
6100         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6101         and move up call to vect_analyze_data_refs_alignment.
6102         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6103         (vect_transform_loop): Add call to loop_version.
6104
6105 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6106
6107         PR rtl-optimization/23098
6108         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6109         * simplify-rtx.c (constant_pool_reference_p): New function.
6110         * rtl.h (constant_pool_reference_p): New prototype.
6111         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6112         constant_pool_reference_p in condition and
6113         avoid_constant_pool_reference in preparation statements.
6114
6115 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6116
6117         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6118         STRICT_LOW_PART SETs.
6119
6120 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6121
6122         PR middle-end/21460
6123         * except.c (sjlj_emit_function_enter): Find the function begin
6124         note even when it's not in first basic block.
6125
6126 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6127
6128         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6129         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6130         * aclocal.m4: Regenerate.
6131
6132 2005-09-05  DJ Delorie  <dj@redhat.com>
6133
6134         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6135         of macro.
6136
6137 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6138
6139         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6140         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6141         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6142         Follow spelling conventions.
6143         * doc/invoke.texi: Follow spelling conventions.
6144
6145 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6146
6147         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6148         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6149         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6150
6151 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6152
6153         PR target/23683
6154         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6155         (output_stack_adjust): Use gen_tmp_stack_mem.
6156         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6157         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6158         (sh_get_pr_initial_val): Likewise.
6159         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6160         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6161         * sh.md (divsi_inv_m0): Use gen_const_mem.
6162         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6163         (movdf_i4+1): Use gen_tmp_stack_mem.
6164         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6165         (fpu_switch+2): Likewise.
6166         (movv4sf_i, movv16sf_i): Use adjust_address.
6167         (symGOT_load): Set MEM_NOTRAP_P bit.
6168
6169 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6170
6171         PR target/23721
6172         * pa.c (emit_move_sequence): Fix typo in last change.
6173
6174 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6175
6176         PR rtl-optimization/23454
6177         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6178         is true.
6179
6180 2005-09-03  Richard Henderson  <rth@redhat.com>
6181             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6182
6183         PR middle-end/23671
6184         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6185         gen_rtx_MEM.
6186
6187 2005-09-02  Nicolas Pitre <nico@cam.org>
6188
6189         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6190         to bit_count to 32 bits.
6191
6192 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6193
6194         PR c++/23167
6195         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6196         generating synthetic loads from volatile lvalues.
6197
6198 005-09-02  Nick Clifton  <nickc@redhat.com>
6199
6200         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6201         __ctzhi2, __clzhi2): New functions.
6202
6203 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6204
6205         PR middle-end/23547
6206         * tree-nested.c (struct var_map_elt): Mark with GTY.
6207         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6208         var_map_elt.
6209         (lookup_field_for_decl): Allocate new element in GC memory.
6210         (lookup_tramp_for_decl): Likewise.
6211         (convert_nl_goto_reference): Likewise
6212         (create_nesting_tree): Allocate info in GC memory. Likewise for
6213         info->var_map.
6214         (free_nesting_tree): Free with ggc_free instead of free.
6215         (root): New static variable.
6216         (lower_nested_functions): Remove root as local variable.  And zero out
6217         root at the end of the function.
6218
6219 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6220
6221         PR rtl-optimization/20365
6222         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6223         to short.  New member ix.
6224         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6225         (simplify_plus_minus): Initialize ix members before calling qsort.
6226
6227 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6228
6229         PR tree-optimization/23626
6230         * tree-cfg.c (replace_uses_by): Clean up eh info.
6231
6232 2005-09-01  DJ Delorie  <dj@redhat.com>
6233
6234         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6235         fprintf.
6236
6237 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6238
6239         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6240         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6241         gen_rtx_MEM.
6242
6243 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6244
6245         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6246         do not issue warning for a variable definition following
6247         a declaration.
6248
6249 2005-09-01  Richard Henderson  <rth@redhat.com>
6250
6251         PR 23668
6252         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6253         conversion to CONST_VECTOR.
6254
6255 2005-09-01  Richard Henderson  <rth@redhat.com>
6256
6257         PR 23676
6258         * reload1.c (reload_as_needed): Check !CALL_P before calling
6259         fixup_eh_region_note.
6260         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6261
6262 2005-09-01  DJ Delorie  <dj@redhat.com>
6263
6264         * varasm.c (output_constant): Let the target resolve
6265         conversions of addresses to non-default pointer sizes.
6266
6267 2005-09-01  Nicolas Pitre <nico@cam.org>
6268
6269         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6270         to alow matching ARM pre-indexed addressing mode.
6271         (arm_override_options): Remove now irrelevant comment.
6272
6273 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6274
6275         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6276         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6277         * config/i386/vxworks.h:  Likewise.
6278         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6279         * config/i386/vxworksae.h:  Likewise.
6280
6281 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6282
6283         PR tree-optimization/23410
6284         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6285         sequence is not wrapping during the first step.
6286
6287 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6288
6289         PR debug/7241
6290         * dwarf2out.c (base_type_die): Compare char_type_node with
6291         TYPE_MAIN_VARIANT (type), not type.
6292
6293 2005-09-01  Richard Guenther  <rguenther@suse.de>
6294
6295         PR tree-optimization/15366
6296         * common.opt: Add -finline-functions-called-once.
6297         Put -fearly-inlining in alphabetically ordered place.
6298         * doc/invoke.texi: Document new option.
6299         * ipa-inline.c (cgraph_decide_inlining): Honour
6300         flag_inline_functions_called_once.
6301
6302 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6303
6304         PR rtl-optimization/23478
6305         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6306         (alloc_qty): Initialize it.
6307         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6308         (combine_regs): Combine also n_throwing_calls_crossed fields.
6309         (find_free_reg): Don't attempt to caller-save pseudos crossing
6310         calls that might throw.
6311         * global.c (struct allocno): Add throwing_calls_crossed field.
6312         (global_alloc): Revert 2005-08-22 change.  Initialize
6313         throwing_calls_crossed.
6314         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6315         might throw.
6316
6317 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6318
6319         PR target/23649
6320         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6321         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6322         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6323         (and64_2_operand): Tweak to use predicate.
6324         (and_operand): Adjust for mask_operand changes.
6325         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6326         (print_operand): Likewise.
6327         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6328         (mask64_1or2_operand): Delete.
6329         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6330         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6331         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6332         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6333         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6334         (rotldi3_internal4): Likewise.
6335         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6336         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6337         (ashldi3_internal7): Likewise.
6338         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6339         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6340         (anddi3 split): Don't match mask64_operand.
6341         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6342         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6343         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6344         't' splitter predicate.
6345         (movdi_internal64 + 2): Revert 2005-06-11 change.
6346
6347 2005-08-31  DJ Delorie  <dj@redhat.com>
6348
6349         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6350         (m32c_asm_integer): Add support for 32 bit pointers.
6351
6352 2005-08-31  Richard Henderson  <rth@redhat.com>
6353
6354         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6355         component-like references for setting MEM_NOTRAP_P.
6356
6357         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6358         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6359
6360 2005-08-31  Richard Henderson  <rth@redhat.com>
6361
6362         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6363         into a pseudo before applying gen_lowpart.
6364
6365 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6366
6367         * doc/install.texi (Specific): Update cctools version required
6368         for full functionality.
6369         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6370         linkers as -macosx_version_min.
6371
6372 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6373
6374         PR target/21255
6375         * sh.c (print_operand, %R and %S): Add handling of floating point
6376         registers, memory, constants and invalid operands.
6377
6378 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6379
6380         * ipa-pure-const.c: Change dump name.
6381
6382 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6383
6384         PR target/23570
6385         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6386         to "reg_or_0_operand".
6387         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6388
6389 2005-08-31  Dale Johannesen  <dalej@apple.com>
6390
6391         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6392         loops that count down.
6393
6394 2005-08-31  Richard Henderson  <rth@redhat.com>
6395
6396         PR rtl-opt/23601
6397         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6398         (fixup_eh_region_note): New.
6399         (reload_as_needed): Call it.
6400         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6401         don't call find_many_sub_basic_blocks; call verify_flow_info.
6402         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6403         (keep_stack_depressed): Likewise.
6404         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6405
6406 2005-08-31  Richard Henderson  <rth@redhat.com>
6407
6408         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6409         fp return matching.
6410
6411 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6412
6413         * expr.c (expand_expr_real_1): Compare size of address
6414         mode to target's address mode size in deciding expansion of
6415         the constant address.
6416
6417 2005-08-31  Richard Guenther  <rguenther@suse.de>
6418
6419         PR middle-end/23477
6420         * expr.c (all_zeros_p): New function.
6421         (expand_expr_real_1): Handle the case of an all-zero
6422         non-addressable constructor separately.
6423
6424 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6425
6426         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6427         arguments, adjust all callers.
6428         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6429
6430 2005-08-30  Richard Henderson  <rth@redhat.com>
6431
6432         PR target/23630
6433         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6434         whenever the mode sizes match.
6435
6436 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6437
6438         * calls.c (load_register_parameters): Fix comment typo.
6439         * expr.c (emit_push_insn): Comment formatting.
6440
6441 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6442
6443         * config/i386/x-cygwin (host-cygwin): Change dependency from
6444         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6445
6446 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6447
6448         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6449         parts of 'vals'.
6450
6451 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6452
6453         PR middle-end/23408
6454         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6455         call to ggc_collect.
6456
6457 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6458
6459         PR bootstrap/21268
6460         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6461         beginning.  Remove $(INCLUDES) from all the rules, if following
6462         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6463
6464 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6465
6466         PR middle-end/23484
6467         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6468         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6469         not constant, but maxlen is, don't set len to maxlen, rather
6470         set maxlen to len if len is a constant.
6471
6472 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6473
6474         PR tree-optimization/23475
6475         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6476         and counts.
6477
6478 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6479
6480         Fix PR middle-end/22455
6481
6482         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6483         Checksum only the parts of the tree that exist for the tree code.
6484
6485 2005-08-28  Dale Johannesen  <dalej@apple.com>
6486
6487         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6488
6489 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6490
6491         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6492
6493 2005-08-28  Richard Henderson  <rth@redhat.com>
6494
6495         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6496         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6497         of char_type_node.
6498
6499 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6500
6501         PR ada/23593
6502         * builtins.c (get_memory_rtx): Don't strip nops
6503         in between COMPONENT_REFs.
6504
6505 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6506
6507         PR middle-end/23463
6508         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6509         types.
6510         (gimplify_modify_expr): Check for zero sized types and gimplify the
6511         rhs and lhs as statements.
6512
6513 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6514
6515         PR libgcj/23508
6516         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6517         state for return address column of signal frames.
6518
6519 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6520
6521         PR target/23539
6522         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6523         bytes >= 2 not bytes == 2.
6524         (expand_block_move): Same.
6525
6526 2005-08-27  Richard Guenther  <rguenther@suse.de>
6527
6528         PR target/23575
6529         * config/i386/sse.md (sse2_movsd): Add missing closing
6530         braces.
6531
6532 2005-08-27  Paul Brook  <paul@codesourcery.com>
6533
6534         * genrecog.c (enum decision_type): Add DT_num_insns.
6535         (struct decision_test): Add u.num_insns.
6536         (add_to_sequence): Add DT_num_insns test.
6537         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6538         (write_cond, debug_decision_2): Ditto.
6539         (change_state): Assume peep2_next_insn never fails.
6540         Remove "afterward" argument.
6541         (write afterward, write_tree): Update to match.
6542         * recog.c (peep2_current_count): New variable.
6543         (peep2_next_insn): Check it.
6544         (peephole2_optimize): Set peep2_current_count.
6545         * recog.h (peep2_current_count): Declare.
6546
6547 2005-08-26  Josh Conner  <jconner@apple.com>
6548
6549         PR middle-end/23584
6550         * ipa-pure-const.c (check_tree): Check for volatile-ness
6551         when considering a dereference.
6552
6553 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6554
6555         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6556
6557 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6558
6559         PR rtl-optimization/23561
6560         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6561         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6562         at most LEN bytes long memory fits into the field.
6563         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6564         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6565         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6566
6567 2005-08-26  Richard Henderson  <rth@redhat.com>
6568
6569         PR rtl-opt/23560
6570         * loop.c (biased_biv_may_wrap_p): New.
6571         (maybe_eliminate_biv_1): Use it to suppress non-equality
6572         comparison transformations.  Delete disabled code.
6573
6574 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6575
6576         * combine.c (make_extraction): Avoid reference outside object.
6577
6578 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6579
6580         * stor-layout.c (finalize_type_size): Restore behaviour for
6581         non-aggregate types to the status quo ante of the patch for
6582         pr 23467.  Document why it matters.
6583
6584 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6585
6586         PR c/23506
6587         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6588         array by one element, initialize the BT_LAST element with NULL.
6589
6590 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6591
6592         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6593         optimizing for size.
6594         (plus_eqsi): Same.
6595         (compare_plus_eqsi): Same.
6596         (plus_eqsi_compare): Same.
6597         (neg_eq0<mode>): Same.
6598         (neg_eq<mode>): Same.
6599
6600         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6601         PROCESSOR_POWER4.
6602
6603 2005-08-26  Nick Clifton  <nickc@redhat.com>
6604
6605         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6606         TARGET_EP is not defined.
6607         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6608         TARGET_EP is enabled.
6609         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6610         * config/v850/v850.md (save_all_interrupt): Only use the EP
6611         register if TARGET_EP is defined.
6612         (restore_all_interrupt): Likewise.
6613         * config/v850/lib1funcs.asm: Update functions so that the EP
6614         register is only used if __EP__ is defined.
6615
6616 2005-08-26  David Ung  <davidu@mips.com>
6617
6618         * config/mips/mips.c (mips_expand_prologue): Handle case when
6619         generating for MIPS16 and the outgoing argument area is more than
6620         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6621         add instruction.
6622
6623 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6624
6625         * config/crx/crx.md: Make doloop_end pattern usage controllable
6626         via mloop-nesting=<max-nesting> command line switch. Make sure
6627         the combiner cannot use doloop_end_<mode> in an illegal way.
6628         * config/crx/crx.c: Use regs up to r6 for argument passing.
6629         Refine crx_address_cost (non cst4 displacements are expensive).
6630         * config/crx/crx.opt: Add switch for mloop-nesting=.
6631
6632 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6633
6634         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6635         (UNSPEC_MVST): New constant.
6636
6637 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6638
6639         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6640         Reject operands containing eliminable registers.
6641         * testsuite/gcc.dg/20050825-1.c: New testcase.
6642
6643 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6644             Jan Hubicka  <jh@suse.cz>
6645
6646         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6647
6648 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6649
6650         PR tree-optimization/23546
6651         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6652         and REAL_CST nodes.
6653
6654 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6655
6656         * params.def (PARAM_MIN_SPEC_PROB): New.
6657         * sched-rgn.c (MIN_PROBABILITY): Delete.
6658         (compute_trg_info): Convert to PARAM_VALUE.
6659         * doc/invoke.texi (param): Document min-spec-prob.
6660
6661 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6662
6663         * config/darwin.h: define __PIC__
6664         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6665         TARGET_OS_CPP_BUILTINS macro.
6666
6667 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6668
6669         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6670         yesterday.
6671
6672 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6673
6674         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6675         to duplicate_block.
6676         * cfghooks.c (duplicate_block): Added position where to place
6677         new block as argument.
6678         * cfghooks.h (duplicate_block): Declaration changed.
6679         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6680         duplicate_block.
6681         * cfglayout.h (copy_bbs): Declaration changed.
6682         * cfgloop.h (loop_version): Declaration changed.
6683         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6684         position to copy_bbs.
6685         (loop_version): Pass position to duplicate_loop_to_header_edge.
6686         Add place_after argument and position new blocks according to
6687         it.
6688         * modulo-sched.c (sms_schedule): Pass place_after argument
6689         to loop_version.
6690         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6691         * tree-cfg.c (split_edge_bb_loc): New function.
6692         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6693         to determine position of new blocks.
6694         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6695         to loop_version.
6696         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6697         argument to duplicate_block.
6698         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6699         Pass position to copy_bbs.
6700
6701 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6702
6703         * fold-const.c (ptr_difference_const): Use
6704         cst_and_fits_in_hwi instead of host_integerp.
6705
6706 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6707
6708         * config/darwin.c (gen_pic_offset): New.
6709         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6710         Use it.
6711
6712 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6713
6714         PR tree-optimization/23486
6715         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6716
6717 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6718
6719         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6720         remove use_collect2.
6721         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6722
6723         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6724         configuration files to override the default value.
6725
6726         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6727         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6728         * config/vx-common.h:  New file, split out from...
6729         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6730         * config/vxworksae.h:  New file, for VxWorks AE.
6731         * config/vxworks.opt:  New file.
6732         * config/vxlib.c:  Update for VxWorks 6.
6733
6734         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6735         other MULTILIB_* variables appropriately.
6736         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6737         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6738         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6739         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6740
6741 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6742
6743         PR target/20799
6744         * config/darwin.c (machopic_select_section): Remove the hack to
6745         mark "::operator new" and "::operator delete" for coalescing
6746         even though they are not weak.
6747
6748 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6749
6750         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6751         * configure: Regenerate.
6752
6753 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6754
6755         PR middle-end/23517
6756         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6757         between vectors.
6758         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6759         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6760         Likewise.
6761
6762 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6763
6764         * config/rs6000/predicates.md (equality_operator): New.
6765         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6766         comparison with a large constant.
6767
6768 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6769
6770         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6771
6772 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6773
6774         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6775         registers is even, and we have a hardware double precision fp,
6776         align the buffer.
6777         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6778         size of current argument when checking if argument was passed in
6779         registers.
6780
6781         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6782
6783         PR middle-end/23467
6784         * stor-layout.c (finalize_type_size): Dont override
6785         existing alignment with a smaller alignment from the mode.
6786
6787 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6788
6789         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6790         * lambda.h (lambda_vector_lexico_pos): ... here.
6791         * tree-data-ref.c (build_classic_dist_vector): Return false when
6792         the distance vector is lexicographically negative.
6793
6794 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6795
6796         PR tree-optimization/23511
6797         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6798         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6799
6800 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6801
6802         PR tree-optimization/22043
6803         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6804         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6805         If ALLOW_FLEXARR, handle types ending with flexible array member.
6806         Pass false as second argument to recursive count_type_elements calls.
6807         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6808         argument to count_type_elements call.
6809         * tree-sra.c (decide_block_copy): Likewise.
6810         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6811         for a constant-sized object, set cleared as well.  Pass true as
6812         second argument to count_type_elements call.
6813
6814 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6815
6816         PR target/21571
6817         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6818         from legitimate_small_data_p, and make global.  Update use.
6819         Remove forward declaration.
6820         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6821         Declare.
6822         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6823
6824 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6825
6826         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6827         of scratch intermediates.
6828         (eq<mode>_compare): Same.
6829         (neg_eq0<mode>): New.
6830         (neg_eq<mode>): Convert to define_insn_and_split.
6831
6832 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6833
6834         PR target/23070
6835         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6836         stdarg functions, set/clear the fp marker even when no variable
6837         args are passed.
6838         * config/rs6000/sysv4.opt (mprototype): Describe.
6839
6840 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6841
6842         PR rtl-optimization/23478
6843         * regs.h (reg_info): Add throw_calls_crossed.
6844         (REG_N_THROWING_CALLS_CROSSED): Define.
6845         * flow.c (allocate_reg_life_data): Initialize
6846         REG_N_THROWING_CALLS_CROSSED.
6847         (propagate_one_insn, attempt_auto_inc): Update
6848         REG_N_THROWING_CALLS_CROSSED.
6849         * global.c (global_alloc): Don't allocate pseudos across
6850         calls that may throw.
6851
6852 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6853
6854         PR c/18715
6855         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6856         value is inbetween the range if we did not find an exact match.
6857
6858 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6859
6860         * doc/invoke.texi (Option Summary): Add ms1 options.
6861         * doc/extend.texi: Document interrupt handler attribute for ms1.
6862         * doc/md.texi: Document ms1 constraints.
6863         * config.gcc: Add ms1-*-elf.
6864         * config/ms1/ms1.h: New.
6865         * config/ms1/ms1.c: New.
6866         * config/ms1/ms1.md: New.
6867         * config/ms1/ms1-protos.h: New.
6868         * config/ms1/ABI.txt: New.
6869         * config/ms1/crti.asm: New.
6870         * config/ms1/crtn.asm: New.
6871         * config/ms1/lib2extra-funcs.c: New.
6872         * config/ms1/t-ms1: New.
6873         * config/ms1/ms1.opt: New.
6874
6875 2005-08-22 Ira Rosen <irar@il.ibm.com>
6876
6877         * config/rs6000/altivec.md (xorv4sf3): New.
6878         (negv4sf2, neg<mode>2): Likewise.
6879
6880 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6881
6882         PR target/23485
6883         * config/ia64/ia64.md (divsi3): Check divide by zero.
6884         (udivsi3): Likewise.
6885         (divdi3): Likewise.
6886         (udivdi3): Likewise.
6887
6888 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6889
6890         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6891         up to elem_bitsize bits, not max_bitsize.
6892
6893 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6894
6895         PR tree-optimization/23433
6896         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6897         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6898
6899 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6900
6901         PR tree-optimization/23434
6902         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6903         the iteration bound is not an INTEGER_CST.
6904
6905 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6906
6907         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6908         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6909         NULL if need_epilog_adjust is false.
6910         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6911         Case 3 always peels first itration, not just for PLUS case, and no need
6912         to use scalar_initial_def here. Create an epilog adjustment only if
6913         scalar_initial_def is not NULL.
6914
6915         (vectorizable_reduction): Remove assert.
6916
6917 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6918
6919         PR target/23485
6920         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6921         (__moddi3): Likewise.
6922         (__udivdi3): Likewise.
6923         (__umoddi3): Likewise.
6924         (__divsi3): Likewise.
6925         (__modsi3): Likewise.
6926         (__udivsi3): Likewise.
6927         (__umodsi3): Likewise.
6928
6929 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6930
6931         * tree-pass.h (TDF_GRAPH): Define.
6932         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6933         * passes.c (finish_optimization_passes): Only call
6934         finish_graph_dump_file if TDF_GRAPH is set.
6935         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6936         NULL.  Set TDF_GRAPH bit.
6937         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6938
6939 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6940
6941         * arm.h (arm_stack_offsets): Add locals_base field.
6942         * arm.c (arm_get_frame_offsets): Compute it.
6943         (thumb_compute_initial_elimination offset): Make the Thumb frame
6944         pointer point to the base of the local variables.
6945         (thumb_expand_prologue): Update accordingly.
6946         (thumb_expand_epilogue): Likewise.
6947
6948         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6949         mode of clobbered scratch to DImode.  Handle a case that's known to
6950         need this.
6951
6952 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6953
6954         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6955         (gt0<mode>_compare): Delete.
6956         (neg_gt0<mode>): Delete.
6957
6958 2005-08-19  Eric Christopher  <echristo@apple.com>
6959
6960         * optabs.h: Change CTI_ to COI_.
6961         * optabs.c: Ditto.
6962
6963 2005-08-19  James E Wilson  <wilson@specifix.com>
6964
6965         * builtins.c (expand_builtin_return_addr): Set
6966         current_function_accesses_prior_frames when count != 0.  Use
6967         frame_pointer_rtx when count == 0.
6968         * function.h (struct function): Add accesses_prior_frames field.
6969         (current_function_accesses_prior_frames): Define.
6970         * reload1.c (init_elim_table): Check
6971         current_function_accesses_prior_frames.
6972         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6973
6974 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6975
6976         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6977         indicator.  Return true if the flowgraph changed during
6978         cleanup.
6979
6980 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6981
6982         PR 23476
6983         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6984         conditional expression before testing its value.
6985
6986 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6987
6988         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6989
6990 2005-08-19  Devang Patel  <dpatel@apple.com>
6991
6992         PR tree-optimization/23048
6993         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6994         third parameter. Check whether latch is dominated by exit
6995         block or not.
6996         (if_convertible_loop_p): Supply exit block itself to
6997         if_convertible_bb_p.
6998
6999 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7000
7001         PR target/23473
7002         * arm.md (arm_load_pic_register): Change argument to the mask of
7003         saved registers.  Call thumb_find_work_register if we need a
7004         scratch register on Thumb.
7005         (arm_expand_prologue): Pass empty register set to
7006         arm_load_pic_register.
7007         (thumb_expand_prologue): Pass live_regs_mask directly to
7008         arm_load_pic_register.
7009         * arm-protos.h (arm_load_pic_register): Update prototype.
7010
7011 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7012
7013         * sh.c (find_sole_member): New function.
7014         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7015         if the record's alignment is larger than the size of its only member.
7016
7017 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7018
7019         PR target/23436
7020         * arm.c (thumb_legitimize_reload_address): New function.
7021         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7022         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7023
7024 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7025
7026         * config/crx/crx.c: Implement crx_decompose_address. Reject
7027         symbolic displacements since CRX register relative adressing
7028         mode can't handle unsigned 32-bit values as displacements.
7029         * config/crx/crx.h: Simplify definitions, remove redundant
7030         parenthesis and obsolete macros.
7031         * config/crx/crx.opt: Add new switch for debugging addresses.
7032         * config/crx/crx-protos.h: Add new declarations for above.
7033
7034 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7035
7036         PR middle-end/20624
7037         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7038         looking past it.
7039
7040 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7041
7042         * collect2.c (dup2): Delete.
7043         * configure.ac: Don't check for dup2.
7044
7045         * config.in, configure: Regenerate.
7046
7047 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7048
7049         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7050         record with the type of its only member.
7051
7052 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7053
7054         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7055         define_insn_and_split.
7056         (plus_ltu<mode>_compare): Same.
7057         (gtu<mode>_compare): Same.
7058         (plus_gtu<mode>_compare): Same.
7059
7060 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7061
7062         PR tree-optimization/22228
7063         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7064         todo_flags_start.
7065         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7066         are recorded in vect_vnames_to_rename for renaming.
7067         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7068         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7069         in vect_vnames_to_rename.
7070         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7071         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7072
7073 2005-08-18  Jan Hubicka  <jh@suse.cz>
7074
7075         PR c++/22034
7076         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7077         info only for local statics, not for member variables.
7078
7079 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7080
7081         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7082
7083 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7084
7085         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7086
7087 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7088
7089         PR middle-end/16045
7090         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7091
7092 2005-08-17  James E Wilson  <wilson@specifix.com>
7093
7094         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7095         array size check.
7096
7097 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7098
7099         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7100         (leu<mode>_compare): Same.
7101         (plus_leu<mode>): Same.
7102         (neg_leu<mode>): Same.
7103         (and_neg_leu<mode): Same.
7104         (ltu<mode>_compare): Same.
7105         (plus_ltu<mode>): Same.
7106         (geu<mode>): Same.
7107         (geu<mode>_compare): Same.
7108         (plus_geu<mode>): Same.
7109         (neg_geu<mode>): Same.
7110         (and_neg_geu<mode>): Same.
7111         (plus_gt<mode>): Same.
7112         (gtu<mode>_compare): Same.
7113         (plus_gtu<mode>): Same.
7114
7115 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7116
7117         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7118         Move call_table_data to end.  Delete spurious .text.
7119         (callt_save_all_interrupt): Fix comment typo.
7120
7121 2005-08-17  James E Wilson  <wilson@specifix.com>
7122             Kevin Winchester  <winchester@amirix.com>
7123
7124         PR target/21684
7125         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7126
7127 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7128
7129         PR target/23268
7130         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7131         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7132
7133 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7134
7135         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7136         record with the type of its only member if the modes don't match.
7137
7138         * varasm.c (decode_reg_name): Skip empty additional register names.
7139
7140 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7141
7142         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7143         lsm_tmp_name_length): New.
7144         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7145         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7146
7147 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7148             Andreas Krebbel  <krebbel1@de.ibm.com>
7149
7150         * config.gcc: Added z9-109 switch.
7151         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7152         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7153         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7154         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7155         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7156         for "z9_109" cpu attribute.
7157         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7158         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7159         (s390_handle_arch_option): Added z9-109 switch.
7160         (override_options): Set respective cost function for z9-109.
7161         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7162         (legitimate_reload_constant_p): Accept extended immediates.
7163         (print_operand): Three new output modifiers added: k, m and o.
7164         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7165         (s390_output_mi_thunk): Use extended immediate when possible.
7166         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7167         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7168         (CONSTRAINT_LEN): Added length of O constraint.
7169         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7170         * config/s390/s390.md ("cpu"): New value z9_109 added.
7171         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7172         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7173         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7174         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7175         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7176         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7177         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7178         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7179         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7180         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7181         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7182         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7183         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7184         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7185         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7186         immediates.
7187         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7188         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7189         insns for TARGET_EXTIMM.
7190
7191 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7192
7193         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7194
7195 2005-08-17  Nick Clifton  <nickc@redhat.com>
7196
7197         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7198         Call default_encode_section_info.
7199
7200 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7201
7202         PR tree-optimization/21574
7203         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7204         constant, return CONSTANT.
7205         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7206         (ccp_fold, visit_assignment): Likewise.
7207         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7208
7209 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7210
7211         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7212         fold_buildN instead of buildN then fold_initializer or fold.
7213         (build_unary_op): Likewise.
7214         (build_binary_op): Likewise.
7215         * fold-const.c (fold_initializer): Remove.
7216         (fold_build1_initializer): New function.
7217         (fold_build2_initializer): New function.
7218         (fold_build3_initializer): New function.
7219         * tree.h (fold_initializer): Remove.
7220         (fold_build1_initializer): New function.
7221         (fold_build2_initializer): New function.
7222         (fold_build3_initializer): New function.
7223
7224 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7225
7226         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7227         (try_move_mult_to_index): Call fold_build2 instead of build2.
7228         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7229         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7230         fold_binary_to_constant.
7231         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7232         fold (build.
7233         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7234         check if A == gcd (A, B).  Remove TYPE argument.
7235         (analyze_offset) Use fold_build2 instead of fold (build.
7236         (create_data_ref): Likewise.
7237         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7238         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7239         then fold.
7240
7241 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7242
7243         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7244         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7245
7246 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7247
7248         PR tree-opt/23402
7249         * gimplify.c (zero_sized_type): New function.
7250         (gimplify_modify_expr_rhs): If we have a zero sized type,
7251         replace the statement with an empty statement.
7252
7253 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7254
7255         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7256         fxsave.
7257
7258 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7259
7260         * doc/tm.texi (Label Output): Correct typo.
7261
7262 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7263
7264         PR target/23376
7265         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7266         force_operand will work later on using have_insn_for.
7267
7268 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7269
7270         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7271
7272 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7273
7274         PR c++/23337
7275         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7276         vector type, don't try to construct it element by element.  Add an
7277         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7278
7279 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7280
7281         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7282
7283 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7284
7285         * doc/invoke.texi (Precompiled Headers): Document some more options
7286         which are known to be safe.
7287
7288 2005-08-16  James E Wilson  <wilson@specifix.com>
7289
7290         PR tree-optimization/21105
7291         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7292         TREE_OVERFLOW check.
7293
7294 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7295
7296         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7297         (neg_ltu<mode>): Same.
7298         (gtu<mode>): Same.
7299         (neg_gtu<mode>): Same.
7300
7301 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7302
7303         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7304         (fold_builtin_isdigit): Use fold_buildN.
7305         (build_function_call_expr): Likewise.
7306         * c-typeck.c (c_finish_loop): Likewise.
7307
7308 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7309             Richard Shann <rshann@superh.com>
7310
7311         PR middle-end/20396:
7312         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7313
7314 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7315
7316         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7317
7318 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7319
7320         PR target/23355
7321         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7322         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7323         must be saved.
7324
7325 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7326
7327         PR middle-end/23369
7328         * fold-const.c (build_range_check): Disable optimization for function
7329         pointer expressions on targets that require function pointer
7330         canonicalization.
7331
7332 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7333
7334         * simplify-rtx.c (simplify_const_relational_operation): When
7335         extracting arguments of a COMPARE, recompute the mode as well.
7336
7337 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7338
7339         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7340
7341 2005-08-15  DJ Delorie  <dj@redhat.com>
7342
7343         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7344         the stack.
7345         (movsi_splittable): Allow, but split, moves to the stack.
7346         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7347         stack.
7348
7349 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7350
7351         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7352         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7353         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7354
7355         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7356         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7357         Delete HOST_PTR_PRINTF.
7358
7359         * configure, config.in: Regenerate.
7360
7361 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7362
7363         * config/rs6000/rs6000.md (QHSI): New mode macro.
7364         (wd): Extend mode attr for QImode and HImode
7365         (dbits): New mode attr.
7366         (zero_extend<mode>di2): Convert to mode macro.
7367
7368 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7369
7370         PR target/21841
7371         * doc/invoke.texi (-mgnu-ld): Update description.
7372         (-mhp-ld): Ditto.
7373
7374 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7375
7376         PR 23391
7377         * Makefile.in (tree-chrec.o): Depends on real.h.
7378         * tree-chrec.c: Include real.h.
7379         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7380         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7381         * tree-scalar-evolution.c (add_to_evolution_1,
7382         interpret_rhs_modify_expr): Ditto.
7383
7384 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7385
7386         PR 23386
7387         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7388         step is negative compute the estimation from init downwards to zero.
7389
7390 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7391
7392         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7393
7394 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7395
7396         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7397         constraint.
7398         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7399         Accept double-word constants that can be split.
7400         * config/s390/s390.md ("movti"): Use 'P' constraint.
7401         ("*movdi_31", "*movdf_31"): Likewise.
7402
7403 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7404
7405         Fix PR tree-optimization/22615
7406
7407         * tree-ssa-structalias.c (solution_set_add): Handle
7408         first_vi_for_offset returning NULL.
7409         (do_da_constraint): Ditto.
7410         (do_sd_constraint): Ditto.
7411         (do_ds_constraint): Ditto
7412         (find_func_aliases): Ditto.
7413         (build_constraint_graph): RHS is allowed be ANYTHING.
7414         (first_vi_for_offset): Return NULL if we couldn't find anything at
7415         the offset.
7416
7417 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7418
7419         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7420         over memory as first operand.
7421
7422 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7423
7424         PR target/23360
7425         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7426         available for setting it.
7427
7428 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7429
7430         PR tree-optimization/23320
7431         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7432         data-refs' types instead of base object nullness. Add check for
7433         pointer type data-refs before first location comparison. Remove
7434         assert.
7435
7436 2005-08-14  Andreas Schwab  <schwab@suse.de>
7437
7438         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7439
7440 2005-08-13  James E Wilson  <wilson@specifix.com>
7441
7442         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7443         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7444         -fstack-protector-all, --param ssp-buffer-size): Document.
7445         (-Wvariadic-macros): Alphabetize.
7446         (-fsched-stalled-insns-dep): Add missing 'f'.
7447
7448         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7449         macros.
7450
7451 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7452
7453         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7454         or indirect address operand.
7455         (EXTRA_ADDRESS_CONSTRAINT): New.
7456         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7457
7458 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7459
7460         PR tree-optimization/22236
7461         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7462         successors and predecessors.
7463         * tree-chrec.c (chrec_convert): Before converting, check that
7464         sequences don't wrap.
7465         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7466         (analyze_array): Extern.
7467         (find_data_references_in_loop): Remove call to
7468         compute_estimated_nb_iterations.
7469         * tree-data-ref.h (analyze_array): Declared.
7470         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7471         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7472         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7473         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7474         condition.
7475         * tree-ssa-loop-ivcanon.c: Fix documentation.
7476         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7477         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7478         (infer_loop_bounds_from_undefined): New.
7479         (estimate_numbers_of_iterations_loop): Use
7480         infer_loop_bounds_from_undefined.
7481         (used_in_pointer_arithmetic_p): New.
7482         (scev_probably_wraps_p): Pass an extra parameter.  Call
7483         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7484         (convert_step): Fix documentation.
7485         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7486         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7487         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7488         scev_probably_wraps_p.
7489
7490 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7491
7492         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7493         (s390_register_info): Ignore clobbered_regs information for fixed
7494         registers, and only fixed registers.
7495         (s390_init_frame_layout): Remove redundant call.
7496
7497 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7498
7499         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7500         description of -Wold-style-casts.
7501
7502 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7503             Jakub Jelinek  <jakub@redhat.com>
7504
7505         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7506         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7507         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7508         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7509         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7510         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7511         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7512         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7513         ("stack_protect_set", "stack_protect_test"): New expanders.
7514         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7515         "stack_protect_testdi"): New insn definitions.
7516
7517 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7518
7519         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7520
7521 2005-08-12  Paul Brook  <paul@codesourcery.com>
7522
7523         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7524
7525 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7526
7527         * config/s390/predicates.md (setmem_operand): New predicate.
7528         (shift_count_operand): Accept ANDs with special constants as
7529         operand.
7530         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7531         with special constants.
7532         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7533         shift_count_operand with setmem_operand.
7534
7535 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7536
7537         * config/s390/s390.c (s390_extract_part, s390_single_part):
7538         Type cast added.
7539         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7540         (s390_output_mi_thunk): Don't use lg on 31 bit.
7541         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7542         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7543
7544 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7545
7546         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7547         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7548         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7549         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7550         with one of the new macros.
7551
7552 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7553
7554         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7555         Don't set save_return_addr_p.
7556         (s390_register_info): Make clobbered_regs not depending on
7557         save_return_addr_p.
7558
7559 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7560
7561         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7562         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7563
7564 2005-08-11  James E. Wilson  <wilson@specifix.com>
7565
7566         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7567
7568 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7569
7570         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7571         locations gathered by var-tracking in single entry loc_list
7572         over loc_descriptor_from_tree.
7573
7574         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7575         pass it down to loc_descriptor.
7576         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7577         (containing_function_has_frame_base): Move earlier in the file.
7578         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7579         instead of always assuming fbreg can't be used.
7580
7581 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7582
7583         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7584         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7585         Accept address wrapped in AND for Altivec.
7586         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7587         Strip AND wrapping offset address for Altivec.
7588
7589 2005-08-11  Richard Henderson  <rth@redhat.com>
7590
7591         PR middle-end/23312
7592         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7593         before using TYPE_IS_SIZETYPE.
7594
7595 2005-08-11  Richard Henderson  <rth@redhat.com>
7596
7597         PR target/22225
7598         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7599         insn types not present on ev4.
7600         (alphaev5_insn_pipe): Similarly.
7601
7602 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7603
7604         PR target/23250
7605         * arm.c (arm_override_options): If the user has selected callee-super-
7606         interworking, then enable normal interworking.
7607
7608 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7609
7610         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7611         redefinition.
7612
7613 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7614
7615         * doc/rtl.texi: Fix two typos.
7616
7617 2005-08-11  Richard Guenther  <rguenther@suse.de>
7618
7619         PR target/23289
7620         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7621         cases where we call to/from functions returning void.
7622
7623 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7624
7625         PR c++/23225
7626         * tree.c (build_pointer_type_for_mode): Robustify.
7627
7628 2005-08-10  James E Wilson  <wilson@specifix.com>
7629
7630         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7631         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7632
7633         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7634         "cum->".
7635
7636 2005-08-10  Eric Christopher  <echristo@apple.com>
7637
7638         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7639         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7640         V2DFmode.
7641
7642 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7643
7644         PR target/21887
7645         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7646         for the high part when generating dynamic-no-pic code.
7647
7648 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7649
7650         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7651         (x86_64-*-linux*): Likewise.
7652
7653         * config/i386/crtfastmath.c: New file.
7654         * config/i386/t-crtfm: Likewise.
7655
7656         * config/i386/linux.h (ENDFILE_SPEC): New.
7657         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7658
7659         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7660         crtfastmath.o.
7661
7662 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7663
7664         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7665         (vec_shl, vec_shr): Document new operations.
7666         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7667
7668 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7669
7670         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7671         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7672         change predicate to indexed_or_indirect_address.
7673
7674 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7675
7676         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7677         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7678         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7679         and __aeabi_uwrite8.
7680         * config/arm/unaligned-funcs.c: New file.
7681         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7682
7683 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7684
7685         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7686         Add dump.
7687         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7688         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7689         Add dump.
7690         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7691         * final.c (pass_shorten_branches): Add dump.
7692         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7693         (pass_life): Rename dump.
7694         (rest_of_handle_flow2): Remove initial verify_flow_info.
7695         * function.c (pass_instantiate_virtual_regs): Add dump.
7696         * integrate.c (pass_initial_value_sets): Add dump.
7697         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7698         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7699         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7700         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7701         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7702         gate_rtl_unrool_and_peel_loops): New.
7703         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7704         rtl_doloop): Do not look at flags.
7705         * mode-switching.c (pass_mode_switching): Add dump.
7706         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7707         pass_split_before_regstack): Add dump.
7708         * regmove.c (pass_stack_adjustments): Add dump.
7709         * tree-optimize.c (pass_fixup_cfg): Add dump.
7710
7711 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7712
7713         PR 23309
7714         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7715         deciding which instruction sequence to use.
7716
7717 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7718
7719         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7720         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7721
7722 2005-08-09  Richard Guenther  <rguenther@suse.de>
7723
7724         * c-common.c (builtin_function_2): Remove.
7725         (def_builtin_1): New function.
7726         (c_common_nodes_and_builtins): Use def_builtin_1 to
7727         build builtin functions.
7728
7729 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7730
7731         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7732         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7733         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7734         Visual DSP.
7735
7736 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7737
7738         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7739         fold_binary instead of fold_build2 since we don't care about the
7740         resulting tree.
7741         (loop_niter_by_eval): Likewise.
7742         (compare_trees): Likewise.
7743         (proved_non_wrapping_p): Likewise.
7744
7745 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7746
7747         PR c/23161
7748         PR c/23165
7749         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7750         if the if is really empty.
7751
7752 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7753
7754         PR tree-optimization/23234
7755         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7756         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7757         argument of the new enum.
7758         (execute_cse_reciprocals): Add reciprocals for function arguments
7759         on the unique successor edge of the entry block.  Update other calls
7760         to execute_cse_reciprocals_1.
7761
7762 2005-08-08  Richard Henderson  <rth@redhat.com>
7763
7764         PR 22439
7765         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7766
7767 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7768
7769         * expr.c (write_complex_part): Return after handling MEM.
7770
7771 2005-08-08  Josh Conner  <jconner@apple.com>
7772
7773         PR rtl-optimization/23241
7774         * combine.c (simplify_comparison): Fix error in determining
7775         whether to lift a subreg from comparison.
7776
7777 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7778
7779         PR target/18506
7780         * config/rs6000/altivec.md (vec_init<mode>): New.
7781         (vec_set<mode>): New.
7782         (vec_extract<mode>): New.
7783         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7784         (rs6000_expand_vector_set): New.
7785         (rs6000_expand_vector_extract): New.
7786         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7787         for Altivec modes before reload.
7788         (altivec_expand_vec_init_builtin): New.
7789         (get_element_number): New.
7790         (altivec_expand_vec_set_builtin): New.
7791         (altivec_expand_vec_ext_builtin): New.
7792         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7793         builtins.
7794         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7795         builtins.
7796         * config/rs6000/rs6000.h (rs6000_builtins): Add
7797         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7798         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7799         * config/rs6000/rs6000-protos.h: Declare new functions.
7800
7801 2005-08-08  Jan Hubicka  <jh@suse.cz>
7802
7803         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7804         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7805         * i386.md (movdi*): Use pic_32bit_operand.
7806         * predicates.md (pic_32bit_operand): New.
7807
7808 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7809
7810         PR c++/21166
7811         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7812
7813 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7814
7815         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7816         (test_for_singularity): Use fold_build2.
7817
7818 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7819
7820         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7821
7822 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7823
7824         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7825         (COMMON_ASM_OP) Define.
7826         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7827         (ix86_encode_section_info): Likewise.
7828         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7829         SUBTARGET_ENCODE_SECTION_INFO.
7830
7831 2005-08-06  Richard Henderson  <rth@redhat.com>
7832
7833         PR 21894
7834         * tree-nested.c (convert_local_reference): Save and restore val_only
7835         around component_ref and friends.  Clear walk_subtrees by default.
7836
7837 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7838
7839         PR 21366
7840         * gcc.c (process_command): Check the argument to -b has a dash.
7841         * doc/invoke.texi: Update -b and -V docs.
7842
7843 2005-08-06  James E Wilson  <wilson@specifix.com>
7844
7845         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7846
7847 2005-08-06  Michael Matz  <matz@suse.de>
7848
7849         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7850         member only if only one insn is associated with the value.
7851
7852 2005-08-06  Nick Clifton  <nickc@redhat.com>
7853
7854         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7855         New define.
7856         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7857         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7858         Check symbol flags instead of symbol name mangling.
7859         (xstormy16_asm_output_aligned_common): Likewise.  Also
7860         simplify code since the bss100_section cass is the only case
7861         where the below100 code will be triggered.
7862         (xstormy16_encode_section_info): Encode below100 attribute
7863         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7864         the name.
7865         (xstormy16_strip_name_encoding): Delete - this function is no
7866         longer needed.
7867         (TARGET_STRIP_NAME_ENCODING): Undefine.
7868         * config/stormy16/stormy16-protos.h: Delete prototype for
7869         xstormy16_strip_name_encoding.
7870
7871 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7872
7873         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7874         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7875         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7876         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7877         config/alpha/predicates.md, config/arc/arc.h,
7878         config/arm/arm.h, config/arm/ieee754-df.S,
7879         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7880         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7881         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7882         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7883         config/m68hc11/m68hc11.h, config/mips/mips.c,
7884         config/mips/mips.h, config/mips/openbsd.h,
7885         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7886         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7887         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7888         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7889         config/sparc/linux.h, config/sparc/linux64.h,
7890         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7891         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7892         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7893         typos.  Follow spelling conventions.
7894
7895 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7896
7897         PR c/23113
7898         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7899         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7900         specially.  Check for side effects only for COND_EXPR.
7901         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7902         return with TREE_NO_WARNING.
7903
7904 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7905
7906         PR rtl-optimization/23233
7907         * loop.c (combine_movables): Require the modes to be the same.
7908         (move_movables): Remove handling of cases where the replacement
7909         had a different mode to the original.
7910
7911 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7912
7913         PR tree-optimization/23128
7914         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7915         subtraction wrap, and set TREE_OVERFLOW if they do.
7916
7917 2005-08-05  Richard Henderson  <rth@redhat.com>
7918
7919         PR 21728
7920         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7921         FORCED_LABEL labels.
7922
7923 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7924
7925         PR middle-end/23135
7926         * reload.c (find_reloads_subreg_address): Pass down TYPE
7927         unchanged.  Change all callers except find_reloads_toplev.
7928
7929 2005-08-05  Michael Matz  <matz@suse.de>
7930
7931         * genattrtab.c (current_alternative_string): Remove.
7932         (SIMPLIFY_ALTERNATIVE): Ditto.
7933         (attr_alt_bit_p): Ditto.
7934         (alternative_name): Make const char *.
7935         (evaluate_eq_attr): Remove use of above things.
7936         (simplify_test_exp): Ditto.
7937         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7938         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7939
7940 2005-08-04  James E Wilson  <wilson@specifix.com>
7941
7942         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7943         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7944         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7945         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7946         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7947
7948 2005-08-04  Richard Henderson  <rth@redhat.com>
7949
7950         PR 21529
7951         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7952         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7953         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7954         if we'd have to instantiate too many members.
7955
7956 2005-08-04  Richard Henderson  <rth@redhat.com>
7957
7958         PR 21291
7959         * tree-outof-ssa.c (coalesce_asm_operands): New.
7960         (coalesce_ssa_name): Use it.  Split out ...
7961         (coalesce_phi_operands, coalesce_result_decls): ... these.
7962
7963 2005-08-04  Paul Brook  <paul@codesourcery.com>
7964
7965         * read-rtl.c (read_quoted_string): Break if EOF.
7966
7967 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7968
7969         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7970         (fold_build2): Likewise.
7971         (fold_build3): Likewise.
7972         (fold_build1_stat): New function prototype.
7973         (fold_build2_stat): Likewise.
7974         (fold_build3_stat): Likewise.
7975         * fold-const.c (fold_build1): Rename to ..
7976         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7977         through to build1_stat.
7978         (fold_build2): Rename to ..
7979         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7980         through to build2_stat.
7981         (fold_build3): Rename to ..
7982         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7983         through to build3_stat.
7984
7985 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7986             Ian Lance Taylor  <ian@airs.com>
7987
7988         * function.c (assign_stack_local_1): Do not correct stack slot
7989         address if allocation size is smaller than mode size.
7990
7991 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7992
7993         PR 22037
7994         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7995         (tree_merge_blocks): Propagate anything allowed by
7996         may_propagate_copy.
7997         Clarify documentation.
7998         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7999         SSA form, schedule an update if necessary.
8000
8001 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8002
8003         * doc/install.texi (Binaries): Remove broken link to
8004         Sinix/Reliant Unix binaries.
8005
8006 2005-08-03  Richard Henderson  <rth@redhat.com>
8007
8008         PR 23221
8009         * function.c (stack_protect_epilogue): Export.
8010         * tree.h (stack_protect_epilogue): Declare.
8011         * calls.c (expand_call): Call it.
8012
8013 2005-08-03  Eric Christopher  <echristo@apple.com>
8014
8015         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8016         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8017         spec.
8018
8019 2005-08-04  Jan Hubicka  <jh@suse.cz>
8020
8021         * profile.c (branch_prob): Split edges with goto locus on them
8022         to get proper line counts.
8023         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8024
8025 2005-08-03  Paul Brook  <paul@codesourcery.com>
8026
8027         * function.c (assign_parms): Round current_function_args_size
8028         to PARM_BOUNDARY, not STACK_BOUNDARY.
8029
8030 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8031
8032         * config/i386/i386.c (x86_elf_aligned_common)
8033         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8034
8035 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8036
8037         PR tree-optimization/23157
8038         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8039         before emitting them.
8040
8041 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8042
8043         PR tree-optimization/19899
8044         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8045         * tree-scalar-evolution.c: Include real.h.
8046         (add_to_evolution): Build constant -1 of correct type.
8047
8048 2005-08-03  Jan Hubicka  <jh@suse.cz>
8049
8050         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8051         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8052         profile updating for complette unrolling.
8053         * loop-unroll.c (peel_loop_completely): Use it.
8054         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8055         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8056         loops.
8057
8058 2005-08-03  Paul Brook  <paul@codesourcery.com>
8059
8060         * combine.c (can_change_dest_mode): New function.
8061         (try_combine, simplify_set): Use it.
8062
8063 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8064
8065         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8066         TFmode to BLKmode.
8067
8068 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8069
8070         * doc/install.texi (Specific): Adjust link to openavr.org.
8071         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8072         (Binaries): Adjust HP-UX Porting Center link.
8073         (Binaries): Adjust Free Software Foundation ordering link.
8074
8075 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8076
8077         * convert.c (convert_to_integer): Use fold_build1 instead of
8078         build1 when converting an integer to an integer.
8079
8080 2005-08-02  Richard Henderson  <rth@redhat.com>
8081
8082         * combine.c (combine_instructions): Don't use reg_equal/equiv
8083         results if the mode doesn't match.
8084
8085 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8086
8087         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8088         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8089
8090 2005-08-02  Richard Henderson  <rth@redhat.com>
8091
8092         PR 23196
8093         * explow.c (memory_address): Remove special-case for
8094         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8095
8096 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8097
8098         PR 23164
8099         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8100         number of calls to cleanup_tree_cfg_1.
8101
8102 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8103
8104         * doc/invoke.texi: document file extensions .F90 and .F95
8105
8106 2005-08-02  Richard Guenther  <rguenther@suse.de>
8107
8108         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8109         positive if its first argument is positive.
8110
8111 2005-08-02  Richard Guenther  <rguenther@suse.de>
8112
8113         PR tree-optimization/23177
8114         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8115         on TMR_TAG.
8116
8117 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8118
8119         PR tree-optimization/23129
8120         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8121         varying for divisions with anti-ranges.
8122
8123 2005-08-02  Jan Hubicka  <jh@suse.cz>
8124
8125         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8126         * tree-ssa-threadupdate.c (thread_block): Add it here.
8127
8128 2005-08-01  James E Wilson  <wilson@specifix.com>
8129
8130         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8131         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8132         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8133         New.
8134         * config/mips/predicates.md (const_call_insn_operand): Add check for
8135         SYMBOL_REF_LONG_CALL_P.
8136         * doc/extend.texi (long_call): Document the new attribute.
8137
8138 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8139             Richard Henderson  <rth@redhat.com>
8140
8141         * Makefile.in (RTL_BASE_H): Add real.h.
8142         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8143         instead of memcpy.
8144         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8145         directly.
8146         * rtl.c (rtl_check_failed_code_mode): New.
8147         * rtl.h (struct rtx_def): Add u.rv.
8148         (XCMWINT, XCNMPRV): New.
8149         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8150         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8151
8152 2005-08-01  Richard Henderson  <rth@redhat.com>
8153
8154         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8155         with auto-inc codes.
8156
8157         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8158
8159 2005-08-01  Jan Hubicka  <jh@suse.cz>
8160
8161         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8162         * i386.c: Include dwarf2.h
8163         (asm_preferred_eh_data_format): New.
8164         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8165
8166 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8167
8168         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8169         randomize_va_space for virtual address randomization control.
8170
8171 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8172
8173         * common.opt (flag_ipa_cp): Put in right place to maintain
8174         alphabetic sort.
8175
8176 2005-08-01  Jan Hubicka  <jh@suse.cz>
8177
8178         * profile.c (compute_value_histograms): Fix thinko.
8179         * value-prof.c: Include toplev.h
8180         (check_counter): New function.
8181         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8182         tree_mod_subtract_transform): Add sanity check.
8183
8184 2005-08-01  Richard Guenther  <rguenther@suse.de>
8185
8186         PR tree-optimization/23133
8187         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8188         current functions parameter decls to find defs to cse
8189         reciprocals of.
8190
8191 2005-08-01  Richard Guenther  <rguenther@suse.de>
8192
8193         PR tree-optimization/23109
8194         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8195         If trapping math is in effect, use post-dominator information
8196         to check if we'd in any case reach a trapping point before
8197         doing the reciprocal insertion.
8198         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8199         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8200         expressions are invariant only if trapping math is not in effect.
8201
8202 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8203
8204         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8205         cgraph_function_versioning): New declarations.
8206         * cgraphunit.c: Add include to ipa-prop.h.
8207         (update_call_expr, cgraph_copy_node_for_versioning,
8208         cgraph_function_versioning): New functions.
8209         * integrate.c (copy_decl_for_inlining): Remove.
8210         * ipa-prop.h (ipa_replace_map): New struct.
8211         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8212         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8213         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8214         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8215         ipcp_iterate_stage, ipcp_method_scale_print,
8216         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8217         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8218         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8219         ipcp_update_bb_counts, ipcp_update_profiling,
8220         ipcp_update_edges_counts): New functions.
8221         (ipcp_method_cval_init): Remove restriction regarding local methods.
8222         (ipcp_init_stage): Add ipcp_method_compute_scale.
8223         (ipcp_insert_stage): Add versioning.
8224         (ipcp_structures_print): Add ipcp_method_scale_print.
8225         (ipcp_driver): Dump profiling info.
8226         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8227         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8228         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8229         (struct inline_data): Add versioning_p, ipa_info, new fields.
8230         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8231         declare_return_variable): Replace calls to copy_decl_for_inlining with
8232         copy_decl_for_dup.
8233         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8234         versioning support.
8235         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8236         Add argument VERSIONING.
8237         (copy_arguments_for_versioning, copy_static_chain,
8238         function_versionable_p, tree_versionable_function_p,
8239         tree_function_versioning, replace_ref_tree): New functions.
8240         * tree-inline.h: Include varray.h.
8241         (tree_versionable_function_p,  tree_function_versioning,
8242         tree copy_decl_for_dup): New declarations.
8243
8244 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8245
8246         * ipa-cp.c: New file. Contains IPCP specific functionality.
8247         * ipa-prop.h: New file. Contains structures/definitions that can be
8248         used by several interprocedural data flow optimizations (and also IPCP).
8249         * ipa-prop.c: New file.
8250         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8251         * common.opt: Add ipa-cp flag.
8252         * timevar.def: Add IPCP optimization.
8253         * tree-optimize.c (init_tree_optimization_passes): Schedule
8254         pass_ipa_cp.
8255         * tree-pass.h (pass_ipa_cp): Declare.
8256
8257 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8258
8259         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8260         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8261         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8262         config/i386/i386.c, config/mips/mips.h,
8263         config/rs6000/rs6000.h, config/sh/sh.c,
8264         config/stormy16/stormy16.c: Fix comment typos.
8265
8266 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8267
8268         PR c/22311
8269         * c-typeck.c (build_binary_op): Use common_type wrapper on
8270         shortened types.
8271         (common_type): Update comment.
8272
8273 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8274
8275         PR target/23095
8276         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8277         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8278         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8279
8280 2005-07-31  Jan Hubicka  <jh@suse.cz>
8281
8282         * pretty-print.h (pp_widest_integer): New macro.
8283         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8284         counts.
8285
8286 2005-07-31  Jan Hubicka  <jh@suse.cz>
8287
8288         * output.h (enum section_category): Export from varasm.c
8289         (categorize_decl_for_section): Likewise.
8290         * varasm.c (enum section_category): Kill.
8291         (categorize_decl_for_section): Make global.
8292         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8293         Declare.
8294         * i386.c (ix86_section_threshold): New static variable.
8295         (ix86_in_large_data_p, ix86_encode_section_info,
8296         x86_64_elf_unique_section,
8297         x86_64_elf_select_section): New functions.
8298         (TARGET_ENCODE_SECTION_INFO): Define
8299         (override_options): Enable medium model for PIC.
8300         (ix86_expand_prologue): Expand gen_set_got_rex64.
8301         (legitimate_constant_p): Handle new UNSPECs.
8302         (legitimate_pic_address_disp_p): Likewise.
8303         (legitimize_pic_address): Lower MEDIUM model addressing.
8304         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8305         (enum cmodel): Add MEDIUM_PIC.
8306         (SYMBOL_REF_FAR_ADDR_P): New macro.
8307         (SYMBOL_FLAG_FAR_ADDR): New flag.
8308         * i386.md (movdi): Support medium model.
8309         (set_got_rex64): New pattern.
8310         * i386.opt (mlarge-data-threshold): New flag.
8311         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8312         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8313         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8314         TARGET_ASM_UNIQUE_SECTION): New.
8315
8316         * invoke.texi (-mlarge_data_threshold): Document
8317
8318 2005-07-31  Jan Hubicka  <jh@suse.cz>
8319
8320         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8321         (coalesce_vars): Likewise.
8322         * tree-ssa-live.c (coalesce_cost): New.
8323         (build_tree_conflict_graph): Use coalesce_cost.
8324         * tree-ssa-live.h (coalesce_cost): Declare.
8325
8326 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8327
8328         * arm.md (all peepholes for post-increment operations): Delete.
8329         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8330         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8331         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8332         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8333         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8334
8335 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8336
8337         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8338         non-integral types.
8339
8340 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8341
8342         PR target/22582
8343         * doc/invoke.texi: Document -rdynamic.
8344
8345 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8346
8347         PR c/23143
8348         * c-parser.c (c_parser_parms_list_declarator): Call
8349         mark_forward_parm_decls.
8350         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8351         decls with visibility structure.
8352
8353 2005-07-30  Paul Brook  <paul@codesourcery.com>
8354
8355         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8356
8357 2005-07-30  Paul Brook  <paul@codesourcery.com>
8358
8359         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8360         prototype.
8361         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8362         value for mode.
8363         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8364
8365 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8366
8367         PR c/529
8368         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8369         nested function declarators.
8370         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8371         (grokparms): Call warn_if_shadowing for parameters used within the
8372         parameter list.
8373         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8374         not used within the parameter list.
8375         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8376
8377 2005-07-30  Jan Hubicka  <jh@suse.cz>
8378
8379         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8380         * i386.c (ix86_fixup_binary_operands): Likewise.
8381         (ix86_expand_unary_operator): Likewise.
8382         (ix86_expand_fp_absneg_operator): Likewise.
8383         * optabs.c (expand_vec_cond_expr): Validate dest.
8384
8385 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8386
8387         PR c/21720
8388         * real.c (real_from_string): Also set last bit if there is a
8389         nonzero hex digit beyond GCC's internal precision after ".".
8390
8391 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8392
8393         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8394         define_constants.  Change duplicate values to unassigned numbers.
8395         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8396         (*altivec_vspltsf): New.
8397         (altivec_vperm_v4sf): Delete.
8398         (altivec_vperm_<mode>): Use mode macro V.
8399         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8400         (altivec_predicate_v4sf): Delete.
8401         (altivec_predicate_<mode>): Use mode macro V.
8402         (*altivec_lvesfx): New.
8403         (*altivec_stvesfx): New.
8404         (vec_realign_load_v4sf): Delete.
8405         (vec_realign_load_<mode>): Use mode macro V.
8406         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8407         UNSPECV_SET_VRSAVE.
8408
8409 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8410
8411         PR bootstrap/23131
8412         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8413         string.
8414         * configure: Regenerated.
8415
8416 2005-07-29  Paul Brook  <paul@codesourcery.com>
8417
8418         * doc/install.texi: Add link to GFortran binaries wiki page.
8419
8420 2005-07-29  David Ung  <davidu@mips.com>
8421
8422         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8423         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8424         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8425         * config/mips/mips.md (cpu): Add 5kf name.
8426         (includes): Includes 5k.md.
8427         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8428         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8429         -march flag.
8430
8431 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8432
8433         PR 22550
8434         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8435         (cleanup_tree_cfg): ... here.
8436         Call cleanup_tree_cfg_1 until there are no more cleanups to
8437         do.
8438
8439 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8440
8441         * tree-vrp.c (compare_range_with_value): Return true or false
8442         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8443         EQ_EXPR respectively.
8444
8445 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8446
8447         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8448         Fix comment typos.
8449
8450 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8451
8452         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8453         (tree_ssa_dominator_optimize): Increment it.
8454         (dump_dominator_optimization_stats): Print it.
8455
8456 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8457             Steven Bosscher  <stevenb@suse.de>
8458
8459         PR rtl-optimization/23117
8460         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8461         when head == tail.  Tidy comment.
8462
8463 2005-07-28  Richard Henderson  <rth@redhat.com>
8464
8465         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8466         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8467         * jump.c (rtx_renumbered_equal_p): Likewise.
8468         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8469         CONST_INT and CONST_DOUBLE.
8470         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8471         * reload.c (operands_match_p): Special case CONST_INT and
8472         CONST_DOUBLE; check mode earlier.
8473
8474 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8475
8476         PR c/22240
8477         * c-typeck.c (convert_for_assignment): Do not check
8478         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8479
8480 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8481
8482         PR c/22192
8483         * c-typeck.c (composite_type): Prefer constant size arrays to
8484         VLAs.
8485
8486 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8487
8488         PR c/21720
8489         * real.c (real_from_string): Set last bit if there is a nonzero
8490         hex digit beyond GCC's internal precision.
8491
8492 2005-07-28  Richard Henderson  <rth@redhat.com>
8493
8494         PR rtl-opt/22619
8495         * cfgcleanup.c (try_forward_edges): Watch out for end of
8496         insn chain.
8497
8498 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8499
8500         PR c/23106
8501         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8502
8503 2005-07-28  Jan Hubicka  <jh@suse.cz>
8504
8505         * Makefile.in (rtl-profile.o): Kill all traces of it.
8506         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8507         * coverage.h (rtl_coverage_counter_ref): Kill.
8508         * opts.c (flag_speculative_prefetching_set): Kill.
8509         (flag_loop_optimize_set): New.
8510         (common_handle_option): Disable loop optimizer when profiling;
8511         do not handle speculative prefetching.
8512         * passes.c (init_optimization_passes): Replace pass_profiling combo
8513         by branch_prob pass.
8514         * profile.c (compute_value_histograms): Update for simplified value
8515         profiles.
8516         (rtl_register_profile_hooks): Kill.
8517         (pass_profiling): Kill.
8518         (rest_of_handle_branch_prob): Do not profile.
8519         * toplev.c (process_options): Remove speculative prefetching.
8520         * toplev.h (flag_tree_based_profiling): Kill.
8521         * tree-profile.c (prepare_instrumented_value,
8522         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8523         tree_gen_one_value_profiler, do_tree_profiling): Update for
8524         simplified datastructures.
8525         * value-prof.c: Add comment that speculative prefetching was dropped;
8526         update rest of file for simplified datastructures.
8527         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8528         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8529         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8530         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8531         rtl_mod_subtract, gen_speculative_prefetch,
8532         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8533         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8534         (gate_handle_value_profile_transformations,
8535         rest_of_handle_value_profile_transformations,
8536         pass_value_profile_transformations): Kill.
8537         * value-prof.h (histogram_value_t): Remove IL based unions.
8538         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8539         rtl_profile_hooks): Remove hooks.
8540
8541         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8542
8543         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8544         (cgraph_clone_node): Likewise.
8545         * cgraph.h (cgraph_clone_edge): Update prototype.
8546         (cgraph_clone_node): Likewise.
8547         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8548         cgraph_clone_node.
8549         (lookup_recursive_calls): Consider profile.
8550         (cgraph_decide_recursive_inlining): Fix updating; use new
8551         probability argument; use profile.
8552         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8553         * tree-inline.c (copy_bb): Update clal of clone_edge.
8554         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8555
8556         * invoke.texi (min-inline-recursive-probability): Document.
8557
8558 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8559
8560         * doc/install.texi (Configuration): Update Valgrind homepage.
8561
8562 2005-07-28  Richard Henderson  <rth@redhat.com>
8563
8564         PR middle-end/21362
8565         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8566         labels we want to delete.
8567         (cfg_layout_merge_blocks): Likewise.
8568
8569 2005-07-28  Richard Henderson  <rth@redhat.com>
8570
8571         PR target/17692
8572         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8573         when expanding to nothing.
8574
8575 2005-07-28  Josh Conner  <jconner@apple.com>
8576
8577         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8578         (cgraph_decide_inlining_of_small_functions): Likewise.
8579
8580 2005-07-28  Josh Conner  <jconner@apple.com>
8581
8582         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8583         direction of badness if negative.
8584         (cgraph_default_inline_p): Add reason to parameters, and assign it
8585         a value.
8586         (cgraph_decide_inlining_of_small_functions): New parameter in call
8587         to cgraph_default_inline_p.
8588         (cgraph_decide_inlining_incrementally): Likewise.
8589         * cgraphunit.c (decide_is_function_needed): Likewise.
8590         * cgraph.h (cgraph_default_inline_p): Likewise.
8591
8592 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8593
8594         * builtins.c: Fix comment typo(s).
8595         * genautomata.c: Likewise.
8596         * gimplify.c: Likewise.
8597         * tree-dfa.c: Likewise.
8598         * tree-flow-inline.h: Likewise.
8599         * tree-into-ssa.c: Likewise.
8600         * tree-ssa-alias.c: Likewise.
8601         * tree-ssa-ccp.c: Likewise.
8602         * tree-ssa-copy.c: Likewise.
8603         * tree-ssa-dce.c: Likewise.
8604         * tree-ssa-dom.c: Likewise.
8605         * tree-ssa-operands.c: Likewise.
8606         * tree-tailcall.c: Likewise.
8607         * tree-vectorizer.c: Likewise.
8608         * tree-vrp.c: Likewise.
8609         * tree.c: Likewise.
8610
8611 2005-07-28  Jeff Law  <law@redhat.com>
8612
8613         * tree-vrp.c (test_for_singularity): Extracted from  ...
8614         (simplify_cond_using_ranges): Attempt to simplify a relational
8615         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8616
8617 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8618
8619         PR tree-optimization/22506
8620         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8621         phis whose argument is constant.
8622
8623 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8624
8625         PR rtl-optimization/18992
8626         Back out this patch:
8627           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8628           PR optimization/12142
8629           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8630           uses of the register in the SET_SRC.  Remove unnecessary argument.
8631
8632         Replace it with this:
8633         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8634         if flag_non_call_exceptions is set and the insn may trap, pass
8635         pc_rtx as dest for recursion.
8636         In SET_SRC part of SET case, if dest is already set, pass it down
8637         unchanged.
8638
8639 2005-07-28  Jan Hubicka  <jh@suse.cz>
8640
8641         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8642         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8643         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8644         roundoff errors.
8645         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8646         profile when available.
8647
8648 2005-07-28  Jan Beulich <jbeulich@novell.com>
8649
8650         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8651         (ia64_print_operand): Describe and handle 'X'.
8652         (ia64_register_move_cost): Also handle FP_REGS.
8653         (ia64_preferred_reload_class): Likewise.
8654         (ia64_secondary_reload_class): Likewise.
8655         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8656         it. Also check for ITANIUM_CLASS_FLDP.
8657         * config/ia64/ia64.h (FP_REGNO_P): New.
8658         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8659         (reg_class): Add FP_REGS.
8660         (REG_CLASS_NAMES): Adjust for it.
8661         (REG_CLASS_CONTENTS): Likewise.
8662         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8663         (REG_CLASS_FROM_LETTER): Handle 'x'.
8664         (CLASS_MAX_NREGS): Handle FP_REGS.
8665         (MEMORY_MOVE_COST): Likewise.
8666         * config/ia64/ia64.md (itanium_class): Add fldp.
8667         (type): Handle fldp.
8668         (movti_internal): More allowable operand combinations. Use ldfp8 when
8669         splitting unnecessary. Remove predicable attribute. Adjust
8670         itanium_class attribute.
8671         (smuldi3_highpart): Remove outdated comment.
8672         (mulditi3, umulditi3, rotlti3): New expanders.
8673         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8674         (absti2): Disabled new insn for future reference.
8675         Respective new splitters.
8676         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8677         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8678         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8679
8680 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8681
8682         PR rtl-optimization/23047
8683         * simplify-rtx.c (simplify_const_relational_operation): Respect
8684         flag_wrapv for comparisons with ABS.
8685
8686 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8687
8688         PR tree-optimization/22493
8689         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8690         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8691
8692 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8693
8694         * config/frv/frv.opt (moptimize-membar): New.
8695
8696         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8697
8698         * config/frv/frv.h: Remove machine_function definition.
8699
8700         * config/frv/frv.c (struct frv_io): New.
8701         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8702         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8703         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8704         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8705         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8706         (frv_reorg): Call frv_optimize_membar when appropriate.
8707         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8708         (frv_expand_builtin): Adjust calls accordingly.
8709         (frv_io_address_cookie): New function.
8710         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8711         load or store rather than a special insn.  Add ccnstant address and
8712         io-type operands to the membar.
8713         (frv_ifcvt_modify_tests): Unsign regno.
8714         (frv_ifcvt_modify_tests): Same.
8715
8716         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8717         UNSPEC_OPTIONAL_MEMBAR constant.
8718         (builtin_read_<mode>): Delete.
8719         (builtin_write_<mode>): Delete.
8720         ("optional_membar_<mode>"): Add operand.
8721
8722         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8723         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8724         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8725         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8726         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8727         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8728         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8729         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8730         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8731
8732 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8733
8734         * df.c (df_uses_record): Handle SCRATCH.
8735
8736 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8737
8738         PR debug/20161
8739         * passes.c (rest_of_decl_compilation): If decl is a type and
8740         we have encountered errors, don't emit debug information.
8741
8742 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8743
8744         * params.def: Fixed comment.
8745
8746 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8747
8748         PR target/19885
8749         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8750         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8751         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8752
8753 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8754
8755         PR c++/22003
8756         * varasm.c (assemble_start_function): Don't do anything that may
8757         require a CFG if the current function is a thunk.
8758
8759 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8760
8761         * doc/install.texi (Prerequisites): Mention that perl is needed
8762         to do export control in libstdc++ targetting Darwin.
8763
8764 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8765
8766         PR rtl-optimization/17808
8767         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8768         (sched_insns_conditions_mutex_p): Split out from...
8769         (add_dependence): ...here.  But don't call it from here.
8770         (add_dependence_list): Check sched_insns_conditions_mutex_p
8771         before calling add_dependence.
8772         (add_dependence_list_and_free): Likewise.
8773         (fixup_sched_groups): Likewise.
8774         (sched_analyze_1): Likewise.
8775         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8776         (sched_analyze): Likewise.
8777         (sched_analyze_insn): Likewise.
8778         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8779         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8780         dependencies on all COND_EXEC insns to jumps ending basic blocks
8781         when doing intrablock scheduling.
8782         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8783
8784 2005-07-27  Jeff Law  <law@redhat.com>
8785
8786         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8787         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8788         equivalency sets, correctly handle the case were vr0 has an
8789         equivalency set, but vr1 does not.
8790
8791 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8792
8793         PR tree-optimization/23073
8794         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8795         vect_print_dump_info before fprintf.
8796
8797 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8798
8799         PR tree-optimize/22348
8800         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8801         Fold the partial computation.
8802
8803 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8804
8805         PR tree-optimization/22325
8806         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8807         Declare.
8808         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8809         value replacement.
8810         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8811         (force_var_cost): ... this function.
8812         (compute_phi_arg_on_exit): Export.
8813
8814 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8815
8816         PR tree-optimization/20773
8817         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8818         edge.
8819
8820 2005-07-27  Richard Guenther  <rguenther@suse.de>
8821
8822         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8823         Avoid pushing again if current struct contains only
8824         fields we decomposed.
8825
8826 2005-07-27  Jan Hubicka  <jh@suse.cz>
8827
8828         PR tree-optimization/22574
8829         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8830         not available.
8831
8832         * tree-tailcall.c (decrease_profile): New function.
8833         (eliminate_tail_call): Use it.
8834
8835         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8836         visibility flags correctly in whole program mode.
8837
8838 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8839
8840         PR rtl-optimization/22472
8841         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8842
8843 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8844
8845         PR tree-optimization/22504
8846         * tree-complex.c (expand_complex_addition): Use 'code' instead
8847         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8848
8849 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8850
8851         * config.gcc (cpu_type): Add frv case.
8852         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8853         (supported_defaults): Add fr550 case.
8854
8855 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8856
8857         PR 22591
8858         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8859         whether a pointer of type T * may point to objects of type T *.
8860
8861 2005-07-26  DJ Delorie  <dj@redhat.com>
8862
8863         * configure: Regenerate.
8864
8865 2005-07-26  Dale Johannesen  <dalej@apple.com>
8866
8867         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8868
8869 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8870
8871         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8872         Clarify use of "build" in name.
8873
8874 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8875
8876         * doc/extend.texi (Raw read/write Functions): New section.
8877         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8878         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8879         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8880         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8881         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8882         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8883         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8884         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8885         * config/frv/frv.c: Add bdesc_loads global.
8886         Add bdesc_stores global.
8887         (frv_init_builtins): Add support for __builtin_{read/write}*.
8888         (frv_volatile_memref): New.
8889         (frv_expand_load_builtin): New.
8890         (frv_expand_store_builtin): New.
8891         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8892         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8893         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8894         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8895         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8896         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8897         (builtin_read_<mode>): New.
8898         (builtin_write_<mode>): New.
8899         (builtin_write64): New.
8900         (optional_membar_<mode>): New.
8901
8902 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8903
8904         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8905         (rather than units) against HOST_BITS_PER_WIDE_INT.
8906
8907 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8908
8909         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8910         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8911         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8912         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8913         FSF address.
8914
8915         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8916         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8917         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8918         comment typos.
8919         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8920
8921 2005-07-26  Richard Guenther  <rguenther@suse.de>
8922
8923         PR tree-optimization/22486
8924         * fold-const.c (fold_unary): Fold away useless component
8925         references of the form (T *)&T.x, if the address
8926         doesn't change.
8927
8928 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8929
8930         * dwarf2out.c (add_call_src_coords_attributes): New.
8931         (gen_inlined_subroutine_die): Call it.
8932         (maybe_emit_file, init_file_table): Add comments.
8933         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8934         maybe_emit_file.
8935         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8936         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8937         * tree.h (BLOCK_SOURCE_LOCATION): New.
8938         (struct tree_block): New field locus.
8939
8940 2005-07-26  Andreas Schwab  <schwab@suse.de>
8941
8942         PR rtl-optimization/23043
8943         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8944         when allocating a struct unoccr.
8945
8946 2005-07-25  Richard Henderson  <rth@redhat.com>
8947
8948         PR 22626
8949         * tree-complex.c (gate_no_optimization): True if errors.
8950         * Makefile.in (tree-complex.o): Update dependencies.
8951
8952 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8953
8954         * config/frv/predicates.md (integer_register_operand): Use
8955         GPR_AP_OR_PSEUDO_P.
8956
8957 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8958
8959         PR tree-opt/22484
8960         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8961         after fold.
8962         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8963
8964 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8965
8966         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8967         types when flag_unsafe_math_optimizations is true.
8968
8969 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8970
8971         * gcc.c (option_map): Add --sysroot.
8972         (process_command): Handle --sysroot.
8973         (display_help): Document it.
8974         * doc/cppopts.tex (-isysroot): Document.
8975         * doc/invoke.texi (--sysroot): Document.
8976         * doc/install.texi (--with-build-sysroot): Document.
8977
8978         * Makefile.in (inhibit_libc): New variable.
8979         (INHIBIT_LIBC_CFLAGS): Likewise.
8980         (LIBGCC2_CFLAGS): Include
8981         $(INHIBIT_LIBC_CFLAGS).
8982         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8983         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8984         ($(T)crtend.o): Likewise.
8985         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8986         ($(T)crtendS.o): Likewise.
8987         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8988         ($(T)crtendT.o): Likewise.
8989         (stmp-fixinc): Do not complain about missing headers if
8990         inhibit_libc.
8991         * configure.ac (inhibit_libc): Set it to true/false.
8992         (--with-build-sysroot): New option.  Use it to set
8993         SYSTEM_HEADER_DIR.
8994         * configure: Regenerated.
8995
8996 2005-07-25  Manfred Hollstein  <mh@suse.com>
8997
8998         * calls.c (store_one_arg): Fix unsigned comparison warning.
8999
9000 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9001
9002         PR other/22337
9003         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9004         (ggc_print_statistics): Initialize variable before use.
9005
9006 2005-07-25  Richard Guenther  <rguenther@suse.de>
9007
9008         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9009         calling with a PHI_NODE argument.
9010
9011         * tree-flow-inline.h (overlap_subvar): Protect against
9012         possible overflow.
9013
9014 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9015
9016         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9017         * configure: Regenerate.
9018
9019 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9020
9021         * expr.c (highest_pow2_factor): Make extern.
9022         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9023         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9024         record_array_differ_p, array_ptr_differ_p): Likewise.
9025         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9026         additional cases. Call the above functions.
9027         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9028         base_object_differ_p when there are two base objects. Otherwise, compare
9029         base address and offset. Call may_alias_p.
9030         (dump_data_reference): Use a correct field name.
9031         (analyze_array): Make static. Initialize new data-ref fields.
9032         (analyze_indirect_ref): New function.
9033         (init_data_ref): Initialize new data-ref fields.
9034         (strip_conversion): Moved from tree-vect-analyze.c.
9035         (analyze_offset_expr, get_ptr_offset, address_analysis,
9036         object_analysis): Likewise.
9037         (analyze_offset): New function.
9038         (create_data_ref): Likewise.
9039         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9040         dimensions for ARRAY_REFs only.
9041         (build_classic_dist_vector): Make static.
9042         (access_functions_are_affine_or_constant_p): Call macro to get the
9043         address of access functions.
9044         (compute_all_dependences): Add new parameter
9045         compute_self_and_read_read_dependences. Compute self and read-read
9046         dependences if it is true.
9047         (find_data_references_in_loop): Call create_data_ref. Initialize new
9048         data-ref fields.
9049         (compute_data_dependences_for_loop): Add new parameter
9050         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9051         compute nb_loops. Call compute_all_dependences,
9052         build_classic_dist_vector and build_classic_dir_vector with correct
9053         parameters.
9054         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9055         with correct parameters. Compare dimensions for ARRAY_REFs only.
9056         (free_data_refs): Call macro to free access functions.
9057         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9058         fields from stmt_vinfo.
9059         (struct base_object_info): New structure.
9060         (struct data_reference): Move fields to base_object_info. Add fields
9061         first_location and object_info for above structures. Move fields from
9062         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9063         aligned_to.  Add macros to access the new fields.
9064         Update functions declarations.
9065         * tree-flow.h (is_aliased_with): Declare.
9066         * tree-loop-linear.c (linear_transform_loops): Call
9067         compute_data_dependences_for_loop with correct parameters.
9068         * tree-ssa-alias.c (is_aliased_with): New function.
9069         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9070         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9071         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9072         vect_base_addr_differ_p, compute_subscript_distance and
9073         build_classic_dist_vector. Add printings. Check absolute value of
9074         distance.
9075         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9076         data-refs.
9077         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9078         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9079         to bytes. Add printing.
9080         (vect_compute_data_refs_alignment): Go through loads and stores in one
9081         loop.
9082         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9083         vect_analyze_data_ref_access): Likewise.
9084         (vect_analyze_pointer_ref_access): Remove.
9085         (vect_address_analysis, vect_object_analysis): Likewise.
9086         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9087         and analyze data-refs in the loop.
9088         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9089         fields of data-ref instead of stmt. Add init to the offset from the
9090         base.
9091         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9092         (vect_update_init_of_dr): Likewise.
9093         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9094         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9095         removed fields.
9096         (new_loop_vec_info): Initialize new fields.
9097         (destroy_loop_vec_info): Free new fields.
9098         (vect_strip_conversion): Remove.
9099         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9100         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9101         datarefs. Add new field ddrs.
9102         Add macros for the new fields access.
9103         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9104         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9105         Remove their macros.
9106         * tree.h (highest_pow2_factor): Declare.
9107
9108 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9109
9110         * calls.c (store_one_arg): Check for sibling call MEM arguments
9111         from already clobbered incoming argument area.
9112
9113 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9114
9115         * c-common.c (check_missing_format_attribute): New.
9116         * c-common.h (check_missing_format_attribute): Likewise.
9117         * c-typeck.c (convert_for_assignment): Use it.
9118
9119 2005-07-24  Andreas Schwab  <schwab@suse.de>
9120
9121         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9122         register use a word move.  Correct operand of ext.w in 68000 code.
9123
9124 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9125
9126         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9127         variables as declarations, rather than definitions.
9128
9129 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9130
9131         PR tree-optimization/22526
9132         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9133         of the zero node.
9134
9135 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9136
9137         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9138         that C99 reserve for future use. Use it to define clog10,
9139         clog10f and clog10l.
9140
9141 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9142
9143         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9144         * configure.ac: Check for -Wmissing-format-attribute.
9145
9146         * configure: Regenerate.
9147
9148 2005-07-23  Richard Henderson  <rth@redhat.com>
9149
9150         PR tree-optimization/22623
9151         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9152
9153 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9154
9155         PR target/22577
9156         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9157
9158 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9159
9160         * Makefile.in (C_TREE_H): Update dependencies.
9161         * c-tree.h: Include toplev.h.
9162         * diagnostic.h (diagnostic_set_info): Add format attribute.
9163         * rtl-error.c (diagnostic_for_asm): Likewise.
9164
9165 2005-07-23  Chao-ying Fu  <fu@mips.com>
9166
9167         * config/mips/mips-dsp.md: New file.
9168         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9169         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9170         functions.
9171         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9172         MIPS_BUILTIN_BPOSGE32.
9173         (mips_expand_builtin_direct): Add one parameter to indicate that
9174         builtin functions need to return a value.
9175         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9176         functions.
9177         (mips_regno_to_class): Add classes for 12 new DSP registers.
9178         (mips_subword): Change to check four HI registers.
9179         (mips_output_move): Output move to and from 6 new DSP accumulators.
9180         (override_options): Make sure -mdsp and -mips16 are not used together.
9181         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9182         for machine modes.
9183         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9184         when !TARGET_DSP.
9185         (print_operand): Add 'q' for printing DSP accumulators.
9186         (mips_cannot_change_mode_class): Check ACC_REGS.
9187         (mips_secondary_reload_class): Check ACC_REGS.
9188         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9189         (mips_register_move_cost): Check ACC_REGS.
9190         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9191         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9192         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9193         (dsp_bdesc): New array.
9194         (bdesc_arrays): Add DSP builtin function table.
9195         (mips_prepare_builtin_arg): Check predicate again after
9196         copy_to_mode_reg.
9197         (mips_expand_builtin): Add one more parameter to
9198         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9199         MIPS_BUILTIN_BPOSGE32.
9200         (mips_init_builtins): Initialize new function types.
9201         (mips_expand_builtin_direct): Check if builtin functions need to
9202         return a value and pass operands properly.
9203         (mips_expand_builtin_bposge): New function.
9204         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9205         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9206         (FIRST_PSEUDO_REGISTER): Increase to 188.
9207         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9208         Update for 12 new DSP registers.
9209         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9210         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9211         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9212         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9213         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9214         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9215         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9216         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9217         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9218         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9219         (REGISTER_NAMES): Add names for 12 new DSP registers.
9220         * config/mips/mips.md: Include mips-dsp.md.
9221         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9222         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9223         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9224         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9225         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9226         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9227         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9228         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9229         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9230         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9231         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9232         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9233         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9234         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9235         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9236         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9237         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9238         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9239         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9240         (UNSPEC_RDDSP): New constants.
9241         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9242         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9243         A<-d alternative.
9244         * config/mips/mips.opt (-mdsp): New option.
9245         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9246         (reg_imm10_operand): New predicates.
9247         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9248         * doc/invoke.texi (-mdsp): Document new option.
9249
9250 2005-07-22  DJ Delorie  <dj@redhat.com>
9251
9252         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9253         to warning calls.
9254         * tree-inline.c (inlinable_function_p): Likewise.
9255
9256 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9257
9258         PR debug/21828
9259         * toplev.c (check_global_declarations): Do not mark undefined
9260         variables as DECL_IGNORED_P.
9261         * varasm.c (first_global_object_name): GTY it.
9262         (weak_global_object_name): Likewise.
9263         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9264         a string to go into {weak,first}_global_object_name.
9265
9266 2005-07-22  DJ Delorie  <dj@redhat.com>
9267
9268         * c-format.c (check_function_format): Change warning control
9269         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9270
9271 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9272
9273         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9274         &PTR->FLD a dereference of PTR.
9275         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9276         a potential dereference of PTR.
9277
9278 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9279
9280         PR rtl-optimization/20370
9281         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9282         call allocate_reg_info if necessary.
9283
9284         PR rtl-optimization/21848
9285         * calls.c (emit_library_call_value_1): For const functions, add
9286         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9287
9288         PR rtl-optimization/22445
9289         * cselib.c (target.h): Include.
9290         (rtx_equal_for_cselib_p): Allow commutative matches.
9291         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9292         Remove MODE parameter.  Changed all callers.
9293
9294         PR rtl-optimization/22258
9295         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9296         New functions.
9297         (try_combine): Use likely_spilled_retval_p.
9298
9299 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9300
9301         * config.gcc: Add crx-elf support.
9302
9303         * doc/contrib.texi: Mention crx.
9304         * doc/extend.texi: Document crx extensions.
9305         * doc/install.texi: Document crx install.
9306         * doc/invoke.texi: Document crx options.
9307         * doc/md.texi: Document crx constraints.
9308
9309         * config/crx/crx-protos.h: New file.
9310         * config/crx/crx.c: New file.
9311         * config/crx/crx.h: New file.
9312         * config/crx/crx.md: New file.
9313         * config/crx/crx.opt: New file.
9314         * config/crx/t-crx: New file.
9315
9316 2005-07-22  Manfred Hollstein  <mh@suse.com>
9317
9318         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9319         warnings.
9320         (int_add_graph_edge): Likewise.
9321         (collapse_nodes): Likewise.
9322         (process_unification_queue): Likewise.
9323
9324 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9325             Laurent GUERBY  <laurent@guerby.net>
9326
9327         PR tree-optimization/22336
9328         * function.c (record_block_change): Check for
9329         cfun->ib_boundaries_block.
9330
9331 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9332
9333         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9334         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9335
9336 2005-07-21  DJ Delorie  <dj@redhat.com>
9337
9338         * toplev.c (warn_deprecated_use): Add warning control to warning
9339         call.
9340         * c-typeck.c (parser_build_binary_op): Likewise.
9341         (c_finish_if_stmt): Likewise.
9342         * c-common.c (check_function_sentinel): Likewise.
9343         (check_nonnull_arg): Likewise.
9344
9345 2005-07-21  Richard Henderson  <rth@redhat.com>
9346
9347         PR tree-opt/22504
9348         * tree-complex.c (complex_ssa_name_components): New.
9349         (cvc_lookup): Allow entry not found.
9350         (create_components): Remove.
9351         (create_one_component_var, get_component_var): New.
9352         (get_component_ssa_name, set_component_ssa_name): New.
9353         (extract_component): Use get_component_ssa_name.
9354         (update_complex_components): Use set_component_ssa_name.
9355         (update_complex_components_on_edge): Likewise.
9356         (update_phi_components): Create new PHI nodes directly, instead
9357         of adding insns to edges.
9358         (tree_lower_complex): Allocate and free complex_variable_components
9359         and complex_ssa_name_components here.
9360
9361 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9362
9363         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9364         revert to returning false.
9365
9366 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9367
9368         PR target/21149
9369         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9370
9371 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9372
9373         PR target/22576
9374         * config/i386/i386.md (cmpxf): Change operand constraints
9375         to "nonmemory_operand".
9376
9377 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9378
9379         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9380
9381 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9382
9383         PR middle-end/21180
9384         * fold-const.c (fold_build1): Add checksum for the operands.
9385         (fold_build2): Likewise.
9386         (fold_build3): Likewise.
9387
9388 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9389
9390         PR middle-end/19055
9391         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9392
9393 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9394
9395         * common.opt (-fforward-propagate): Committed by mistake,
9396         removed.
9397
9398 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9399
9400         * reg-stack.c: Fix comment typo(s).
9401         * tree-ssa-operands.c: Likewise.
9402         * tree-vectorizer: Likewise.
9403
9404 2005-07-21  Nick Clifton  <nickc@redhat.com>
9405
9406         * config/sh/symbian.c: Replace C++ style line comments with C
9407         style line comments.
9408         (symbian_add_attribute): Do not use a ? operator on the LHS of
9409         an assignment.
9410         (sh_symbian_handle_dll_attribute): Change the type of the
9411         method vector to "VEC(tree,gc)*" and use vector accessor
9412         macros to walk over the elements.
9413         (symbian_export_vtable_and_rtti_p): Likewise.
9414         (symbian_class_needs_attribute_p): Likewise.
9415
9416 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9417
9418         PR target/22085
9419         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9420         initialize targetm.resolve_overloaded_builtin here.
9421         (altivec_expand_overloaded_builtin): Make it non-static.
9422         * config/rs6000/rs6000-protos.h
9423         (altivec_expand_overloaded_builtin): New prototype.
9424         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9425         targetm.resolve_overloaded_builtin here.
9426         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9427
9428 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9429             Zdenek Dvorak  <dvorakz@suse.cz>
9430
9431         PR tree-optimization/19210
9432         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9433         New.
9434         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9435         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9436         rely on unproven assumptions.
9437         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9438         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9439         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9440         to number_of_iterations_exit.
9441         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9442         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9443         * tree-ssa-loop-niter.c (find_loop_niter,
9444         estimate_numbers_of_iterations_loop): Likewise.
9445         (number_of_iterations_exit): Honor the new options.
9446         * doc/invoke.texi (Wunsafe-loop-optimizations,
9447         funsafe-loop-optimizations): Document them.
9448
9449 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9450
9451         PR rtl-optimization/22167
9452         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9453
9454 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9455
9456         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9457         __do_global_dtors_aux longcall.
9458
9459 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9460
9461         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9462         (old_special_pred_table): Don't reference
9463         SPECIAL_MODE_PREDICATES.
9464         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9465         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9466         * config/sh/predicates.h: Don't mention
9467         SPECIAL_MODE_PREDICATES.
9468         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9469         Remove.
9470
9471 2005-07-20  DJ Delorie  <dj@redhat.com>
9472
9473         * config.gcc: Add m32c-elf support.
9474
9475         * doc/contrib.texi: Mention m32c.
9476         * doc/extend.texi: Document m32c extensions.
9477         * doc/install.texi: Mention m32c.
9478         * doc/invoke.texi: Document m32c options.
9479         * doc/md.texi: Document m32c constraints.
9480
9481         * config/m32c/addsub.md: New file.
9482         * config/m32c/bitops.md: New file.
9483         * config/m32c/cond.md: New file.
9484         * config/m32c/jump.md: New file.
9485         * config/m32c/m32c-lib1.S: New file.
9486         * config/m32c/m32c-lib2.c: New file.
9487         * config/m32c/m32c-modes.def: New file.
9488         * config/m32c/m32c-pragma.c: New file.
9489         * config/m32c/m32c-protos.h: New file.
9490         * config/m32c/m32c.abi: New file.
9491         * config/m32c/m32c.c: New file.
9492         * config/m32c/m32c.h: New file.
9493         * config/m32c/m32c.md: New file.
9494         * config/m32c/m32c.opt: New file.
9495         * config/m32c/minmax.md: New file.
9496         * config/m32c/mov.md: New file.
9497         * config/m32c/muldiv.md: New file.
9498         * config/m32c/predicates.md: New file.
9499         * config/m32c/prologue.md: New file.
9500         * config/m32c/shift.md: New file.
9501         * config/m32c/t-m32c: New file.
9502
9503 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9504
9505         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9506         (stack_protect_set, stack_protect_test): New expanders.
9507         (stack_protect_set_si, stack_protect_set_si_media,
9508         stack_protect_set_di_media, stack_protect_test_si,
9509         stack_protect_test_si_media, stack_protect_test_di_media):
9510         New insns.
9511
9512 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9513
9514         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9515
9516 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9517
9518         * tree.h (tree_expr_nonzero_p): Export.
9519         * fold-const.c (tree_expr_nonzero_p): Likewise.
9520         Return true for CALL_EXPRs that are alloca calls.
9521         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9522         against zero.
9523         * tree-flow.h (expr_computes_nonzero): Remove.
9524         * tree-vrp.c (expr_computes_nonzero): Remove.
9525         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9526         (extract_range_from_unary_expr): Likewise.
9527         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9528         tree_expr_nonzero_p.
9529
9530 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9531
9532         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9533         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9534         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9535         All callers changed.
9536         (frame_related_constant_load): New arg "related" which controls
9537         setting of RTX_FRAME_RELATED_P.  All callers changed.
9538         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9539         (bfin_expand_prologue): Add stack limit checking.
9540         * config/bfin/bfin.md (trapifcc): New pattern.
9541
9542         * config/bfin/bfin.c: Include "langhooks.h".
9543         (def_builtin): Go through lang_hooks to call builtin_function.
9544
9545         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9546         * config/bfin/predicates.md (symbol_ref_operand): New.
9547         (call_insn_operand): Delete.  All callers changed to use
9548         register_no_elim_operand.
9549         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9550         call_cookie field.
9551         (function_arg): Use it to generate the call's operand 2.
9552         (bfin_longcall_p): New function.
9553         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9554         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9555         determine if the address needs to be in a REG.
9556         (bfin_handle_longcall_attribute): New function.
9557         (bfin_attribute_table): Add "longcall" and "shortcall".
9558         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9559         (CUMULATIVE_ARGS): New member call_cookie.
9560         (PREDICATE_CODES): Add symbol_ref_operand.
9561         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9562         extra USE to the pattern.
9563         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9564         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9565         sibcall_value_insn; now the new patterns handle direct calls and the
9566         old ones indirect calls.
9567         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9568
9569 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9570
9571         * doc/trouble.texi: Update section on handling of empty loops.
9572
9573 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9574
9575         * config.gcc: Remove support for sparc-*-openbsd*,
9576         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9577         ns32k-*-netbsd*.
9578         * config.host: Remove support for i860-*-sysv4* as a host.
9579         * config/i860/*, config/ip2k/*, config/ns32k/*,
9580         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9581         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9582         mention obsolete ports.
9583
9584 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9585
9586         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9587         soft frame pointer.
9588         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9589         of frame_pointer_rtx.
9590         (sh_expand_epilogue): Likewise.
9591         (sh_set_return_address): Likewise.
9592         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9593         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9594         offsets from FRAME_POINTER_REGNUM.
9595         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9596         (sh_register_names): Add initializer for sfp.
9597         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9598         (VALID_REGISTER_P): Likewise.
9599         (FIRST_PSEUDO_REGISTER): Update.
9600         (DWARF_FRAME_REGISTERS): Define.
9601         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9602         (HARD_FRAME_POINTER_REGNUM): Define.
9603         (FRAME_POINTER_REGNUM): Redefine.
9604         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9605         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9606         from FRAME_POINTER_REGNUM.
9607         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9608         FRAME_POINTER_REGNUM.
9609         (REG_CLASS_CONTENTS): Add sfp.
9610         (REG_ALLOC_ORDER): Likewise.
9611         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9612         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9613         of frame_pointer_rtx.
9614         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9615
9616 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9617
9618         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9619         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9620         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9621         of an ABS_EXPR.
9622         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9623         ABS_EXPR<x>.
9624
9625 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9626
9627         Make CONSTRUCTOR use VEC to store initializers.
9628         * c-common.c (complete_array_type): Update to cope with VEC in
9629         CONSTRUCTOR_ELTS.
9630         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9631         (pp_c_constructor_elts): New function.
9632         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9633         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9634         struct constructor_stack, struct initializer_stack,
9635         constructor_elements, push_init_level, pop_init_level,
9636         add_pending_init, find_init_member, output_init_element): Update to
9637         cope with VEC in CONSTRUCTOR_ELTS.
9638         * coverage.c (build_fn_info_value, build_ctr_info_value,
9639         build_gcov_info): Likewise.
9640         * expr.c (categorize_ctor_elements_1, store_constructor,
9641         expand_expr_real_1): Likewise.
9642         * fold-const.c (fold_ternary): Likewise.
9643         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9644         gimplify_init_constructor, gimplify_expr): Likewise.
9645         * tree-dump.c (dequeue_and_dump): Likewise.
9646         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9647         node.
9648         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9649         CONSTRUCTOR_ELTS.
9650         * tree-sra.c (generate_element_init_1): Likewise.
9651         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9652         * tree-ssa-operands.c (get_expr_operands): Likewise.
9653         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9654         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9655         (get_initial_def_for_reduction): Likewise.
9656         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9657         value handle in annotations.
9658         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9659         tree_node_structure): Add support for constr_kind.
9660         (build_vector_from_ctor, build_constructor_single,
9661         build_constructor_from_list): New functions.
9662         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9663         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9664         Update to cope with VEC in CONSTRUCTOR_ELTS.
9665         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9666         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9667         CONSTRUCTOR_APPEND_ELT): New macros.
9668         (struct constructor_elt, struct tree_constructor): New data types.
9669         (union tree_node): Add tree_constructor field.
9670         * treestruct.def: Define TS_CONSTRUCTOR.
9671         * varasm.c (const_hash_1, compare_constant, copy_constant,
9672         compute_reloc_for_constant, output_addressed_constants,
9673         initializer_constant_valid_p, output_constant,
9674         array_size_for_constructor, output_constructor): Update to cope with
9675         VEC in CONSTRUCTOR_ELTS.
9676         * vec.h (VEC_empty, VEC_copy): New macros.
9677
9678 2005-07-19  Devang Patel  <dpatel@apple.com>
9679
9680         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9681
9682 2005-07-19  Richard Henderson  <rth@redhat.com>
9683
9684         PR tree-opt/22278
9685         * gimplify.c (gimplify_expr): Use main variant type for the temp
9686         destination for a discarded volatile read.
9687         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9688         casts between non-void types that change volatility.
9689
9690 2005-07-15  DJ Delorie  <dj@redhat.com>
9691
9692         * toplev.h: Add comment about the first parameter for warning().
9693         * errors.h: Likewise.
9694
9695         * c.opt (Wpragmas): New.
9696         * doc/invoke.texi: Document it.
9697
9698         * function.c (do_warn_unused_parameter): Add warning control to
9699         warning call.
9700         * c-decl.c (warn_if_shadowing): Likewise.
9701         * c-lex.c (cb_def_pragma): Likewise.
9702         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9703         (pop_alignment): Likewise.
9704         (handle_pragma_pack): Likewise.
9705         (apply_pragma_weak): Likewise.
9706         (handle_pragma_weak): Likewise.
9707         (handle_pragma_redefine_extname): Likewise.
9708         (add_to_renaming_pragma_list): Likewise.
9709         (handle_pragma_extern_prefix): Likewise.
9710         (maybe_apply_renaming_pragma): Likewise.
9711         (handle_pragma_visibility): Likewise.
9712
9713         * config/c4x/c4x-c.c (BAD): Likewise.
9714         (c4x_parse_pragma): Likewise.
9715         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9716         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9717         (rs6000_pragma_longcall): Likewise.
9718         * config/v850/v850-c.c (pop_data_area): Likewise.
9719         (ghs_pragma_section): Likewise.
9720         (ghs_pragma_section): Likewise.
9721         (ghs_pragma_interrupt): Likewise.
9722         (ghs_pragma_starttda): Likewise.
9723         (ghs_pragma_startsda): Likewise.
9724         (ghs_pragma_startzda): Likewise.
9725         (ghs_pragma_endtda): Likewise.
9726         (ghs_pragma_endsda): Likewise.
9727         (ghs_pragma_endzda): Likewise.
9728
9729 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9730             Kenneth Zadeck <zadeck@naturalbridge.com>
9731
9732         * Makefile.in: Removed tree-promote-statics.c
9733         * tree-promote-statics.c: Removed.
9734         * common.opt: Removed flag-promote-statics.
9735         * opts.c: Ditto.
9736         * passes.c: Removed tree-promote-statics pass.
9737         * tree-pass.h: Ditto.
9738         * timevar.def: Removed TV_PROMOTE_STATICS.
9739
9740
9741 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9742
9743         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9744         and *-*-freebsd9.
9745         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9746
9747 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9748
9749         PR c/22476
9750         * c-common.c (check_function_arguments): Call
9751         'check_function_format' if either -Wformat or
9752         -Wmissing-format-attribute are specified.
9753         * c-format.c (check_function_format): Check -Wformat before
9754         calling 'check_format_info'.
9755         * c-opts.c (c_common_post_options): Don't warn for
9756         -Wmissing-format-attribute without -Wformat.
9757         * c-typeck.c (convert_for_assignment): Detect additional cases for
9758         -Wmissing-format-attribute.
9759         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9760         behavior.
9761
9762 2005-07-19  Richard Guenther  <rguenther@suse.de>
9763
9764         * config/i386/i386.md (lrint<mode>2): Use temporary
9765         instead of clobbering non-existent memory.
9766
9767 2005-07-19  Nick Clifton  <nickc@redhat.com>
9768
9769         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9770         statement to avoid displaying ASCII control characters.
9771
9772 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9773
9774         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9775         * cfganal.c (find_edge_index): Ditto.
9776         * combine.c (combine_instructions): Ditto.
9777         * ddg.c (create_scc): Ditto.
9778         (find_successors): Ditto.
9779         (find_predecessors): Ditto.
9780         (find_nodes_on_paths): Ditto.
9781         (longest_simple_path): Ditto.
9782         * flow.c (update_life_info): Ditto.
9783         (count_or_remove_death_notes): Ditto.
9784         (clear_log_links): Ditto.
9785         * modulo-sched.c (generate_reg_moves): Ditto.
9786         (find_max_asap): Ditto.
9787         (find_max_hv_min_mob): Ditto.
9788         (find_max_dv_min_mob): Ditto.
9789         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9790         * sched-rgn.c (extract_edgelst): Ditto.
9791         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9792         (dump_update_ssa): Ditto.
9793         (ssa_names_to_replace) Ditto.
9794         (switch_virtuals_to_full_rewrite): Ditto.
9795         (update_ssa): Ditto.
9796         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9797
9798 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9799
9800         Fix PR tree-optimization/22483
9801
9802         * tree-complex.c (create_components): Use
9803         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9804         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9805         * tree-flow.h (safe_referenced_var_iterator): New structure.
9806         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9807         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9808         safe_referenced_var iterator.
9809         (add_type_alias): Ditto.
9810
9811 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9812
9813         * loop-init.c (rest_of_handle_loop2): Remove.
9814         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9815         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9816         (pass_rtl_loop_init, pass_rtl_loop_done,
9817         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9818         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9819         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9820         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9821         pass_tree_loop_done, and pass_tree_unswitch.
9822         (gate_loop): Rename to gate_tree_loop.
9823         * passes.c (init_optimization_passes): Update for renamed tree
9824         loop passes.  Add the new loop2 passes as subpasses of loop2.
9825         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9826         Update for the renamed tree loop passes.
9827
9828 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9829
9830         PR middle-end/22057
9831         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9832         blocks when optimizing.
9833
9834 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9835
9836         * common.opt (frename-registers): Initialize to 2.
9837         (fweb): Ditto.
9838         (fgcse-after-reload): Ditto.
9839         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9840         (process_options): Only change flag_web, flag_rename_registers,
9841         and flag_rerun_cse_after_loop if not explicitly set by user.
9842
9843 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9844
9845         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9846         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9847         in 64-bit mode the same as DImode in 32-bit mode.
9848         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9849         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9850         mode. Add new mode parameter.
9851         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9852         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9853         x86_64_shift_adj): New expanders.
9854         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9855         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9856         insns.
9857         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9858         DImode shift splitters.
9859         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9860         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9861         mode parameter.
9862
9863 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9864
9865         * i386.md (movdi_extzv_1): New.
9866         (zero_extendhidi2): Combine alternatives and never force use of
9867         REX64 prefix.
9868         (zero_extendqidi2): Likewise. Don't restrict input selection.
9869
9870 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9871
9872         Fix PR tree-optimization/22531
9873         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9874          moment.
9875
9876 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9877
9878         * tree-promote-statics.c (pass_promote_statics): Change dump file
9879          name.
9880
9881 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9882
9883         * tree-optimize.c (init_tree_optimization_passes): Add
9884         pass_eliminate_useless_stores pass.
9885         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9886         * tree-ssa-pre.c (is_copy_stmt): New function.
9887         (follow_copies_till_vuse): Ditto.
9888         (do_eustores): Ditto.
9889         (gate_eustores): Ditto.
9890
9891 2005-07-16  Richard Henderson  <rth@redhat.com>
9892
9893         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9894
9895 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9896            Kenneth Zadeck <zadeck@naturalbridge.com>
9897
9898         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9899         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9900         ipa-type-escape.h, tree-promote-statics.c
9901         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9902         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9903         tree-promote-statics.c: new files.
9904         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9905         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9906         int nonlocal_set_p, mark_constant_function): Deleted.
9907         (rest_of_handle_cfg): Removed call to mark_constant_function.
9908         (nonoverlapping_component_refs_p): Added calls to support
9909         type based aliasing.
9910         * tree-ssa-alias.c (may_alias_p,
9911         compute_flow_insensitive_aliasing): Ditto.
9912         * calls.c (flags_from_decl_or_type): Removed reference to
9913         cgraph_rtl_info.
9914         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9915         too many arguments.  This is necessary for Spec 2000.
9916         * cgraph.h (const_function, pure_function): Removed.
9917         * common.opt: Added "fipa-pure-const", "fipa-reference",
9918         "fipa-type-escape", and "ftree-promote-static".
9919         * opts.c: Ditto.
9920         * passes.c: Added ipa and tree-promote-statics passes.
9921         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9922         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9923         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9924         * tree-flow.h: Added exposed sra calls and addition of
9925         reference_vars_info field for FUNCTION_DECLS.
9926         * tree-pass.h: Added passes.
9927         * tree-sra.c: (sra_init_cache): New function.
9928         (sra_insert_before, sra_insert_after) Made public.
9929         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9930         and made public.
9931         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9932         aliasing. (may_alias_p): Added code to use type escape analysis to
9933         improve alias sets.
9934         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9935         code to prune clobbers of static variables based on information
9936         produced in ipa-reference pass.  Changed call clobbering so that
9937         statics are not marked as clobbered if the call does not clobber
9938         them.
9939
9940 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9941
9942         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9943         too.
9944
9945 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9946
9947         * doc/install.texi (*-*-solaris2*): Document recommended version
9948         of GNU binutils and mention GNU linker problem on Solaris 10.
9949
9950 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9951
9952         PR c/22421
9953         * c-decl.c (c_build_bitfield_integer_type): New function.
9954         (finish_struct): Call it.
9955         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9956
9957 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9958
9959         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9960         before returning.
9961
9962 2005-07-16  Jan Hubicka  <jh@suse.cz>
9963
9964         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9965         (scale_bbs_frequencies_int): Watch roundoff errors.
9966         * predict.c (return_prediction): Initialize return_stmt.
9967
9968 2005-07-16  Jan Hubicka  <jh@suse.cz>
9969
9970         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9971         after RTL profiling.
9972
9973 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9974
9975         PR middle-end/22398
9976         * fold-const.c (build_range_check): Convert high/low to etype
9977         if we are only comparing against exp.
9978
9979 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9980
9981         Fix PR tree-optimization/22376
9982         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9983         special var here.
9984         (need_to_solve): New function.
9985         (compute_points_to_sets): Use it.
9986
9987 2005-07-15  Jan Hubicka  <jh@suse.cz>
9988
9989         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9990         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9991
9992 2005-07-15  Richard Guenther  <rguenther@suse.de>
9993
9994         * c-common.c (handle_flatten_attribute): New function.
9995         Add flatten function attribute.
9996         * doc/extend.texi: Document flatten function attribute.
9997         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9998         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9999         New functions.
10000         (cgraph_decide_inlining): Handle functions with flatten
10001         attribute.
10002
10003 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10004
10005         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10006         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10007         UNSPEC_XCHG, UNSPEC_AND): New.
10008         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10009         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10010         * config/rs6000/sync.md (FETCHOP): New code macro.
10011         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10012         New code attrs.
10013         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10014         (sync_compare_and_swap<mode>): Same.
10015         (sync_lock_test_and_set<mode>): Same.
10016         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10017         for QImode and HImode, and not PPC405.
10018         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10019         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10020         (sync_<fetchop>{si,di}_internal): New.
10021         (sync_nand{si,di}_internal): New.
10022         (sync_old_<fetchop>{si,di}_internal): New.
10023         (sync_old_nand{si,di}_internal): New
10024         (sync_new_<fetchop>{si,di}_internal): New.
10025         (sync_new_nand{si,di}_internal): New.
10026         (atomic_and{si,di}): New.
10027         (sync_new_nand{si,di}_internal): New.
10028         (atomic_and{si,di}): New.
10029         (sync_add<mode>_internal): Delete.
10030         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10031         (sync_sub<mode>_internal): Delte.
10032         (sync_subshort_internal): New.
10033         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10034         (sync_anddi_internal): Delete.
10035         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10036         (sync_booldi_internal): Delete.
10037         (sync_boolc<mode>_internal): Delete.
10038         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10039         (sync_boolc<mode>_internal2): Delete.
10040         (sync_boolcc<mode>_internal): Delete.
10041         (isync, lwsync): Use unspec instead of unspec_volatile.
10042         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10043         Revert UNSPEC_VOLATILE.
10044         (rs6000_split_atomic_op): New.
10045         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10046
10047 2005-07-14  Eric Christopher  <echristo@redhat.com>
10048
10049         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10050         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10051
10052 2005-07-14  Eric Christopher  <echristo@redhat.com>
10053
10054         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10055
10056 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10057
10058         PR tree-optimization/22230
10059         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10060         the computation of the four cross productions for "range op range".
10061
10062 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10063             Ulrich Weigand  <uweigand@de.ibm.com>
10064
10065         PR target/20126
10066         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10067         in some insn.
10068
10069 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10070
10071         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10072
10073 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10074
10075         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10076
10077 2005-07-14  Richard Guenther  <rguenther@suse.de>
10078
10079         PR middle-end/22347
10080         * config/i386/i386-protos.h (ix86_function_value): Change
10081         prototype to match new target hook.
10082         * config/i386/i386.c (ix86_value_regno): Change prototype
10083         to take extra type argument.
10084         (TARGET_FUNCTION_VALUE): Define.
10085         (ix86_function_ok_for_sibcall): Pass extra argument to
10086         ix86_value_regno, check return slot rtx for exact match.
10087         (ix86_function_value): Take extra parameter.  Dispatch to
10088         ix86_value_regno with fndecl/fntype as provided.
10089         (ix86_value_regno): Handle extra type argument.
10090         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10091
10092         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10093         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10094         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10095         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10096         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10097
10098 2005-07-14  Richard Guenther  <rguenther@suse.de>
10099
10100         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10101         * calls.c (expand_call): Pass fntype to hard_function_value.
10102         (emit_library_call_value_1): Likewise.
10103         * explow.c: Include target.h.
10104         (hard_function_value): Take extra argument, the fntype.
10105         Use new target hook for function_value.
10106         * expr.h (hard_function_value): Change prototype.
10107         * function.c (aggregate_value_p): Pass 0 as fntype to
10108         hard_function_value.
10109         (assign_parms): Use new target hook for function_value.
10110         Pass 0 as fntype to hard_function_value.
10111         (expand_function_end): Likewise.
10112         * reg-stack.c: Include target.h.
10113         (stack_result): Use new target hook for function_value.
10114         * target-def.h: New target hook function_value.
10115         * target.h: Likewise.
10116         * targhooks.c (default_function_value): New function.
10117         * targhooks.h (default_function_value): Declare.
10118
10119 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10120
10121         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10122
10123 2005-07-14  Jan Hubicka  <jh@suse.cz>
10124
10125         * tree-dfa.c (dump_variable): Use default_def function.
10126         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10127         * tree-ssa.c (verify_use): Likewise.
10128         * tree-ssanames.c (release_ssa_name): Likewise.
10129         * tree-tailcall.c (eliminate_tail_call): Likewise.
10130         (tree_optimize_tail_calls_1): Likewise.
10131         * tree-vrp.c (get_value_range): Likewise.
10132
10133 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10134
10135         * gcc.c (main): Compare language[0] with '*' when iterating over
10136         the infiles.
10137
10138 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10139
10140         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10141         "s390_emit_compare".  Add handling of CCZ1mode.
10142         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10143         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10144         checking.
10145         (s390_branch_condition_mask): Add CCZ1mode handling.
10146         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10147         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10148         Use CCZ1mode instead of CCZmode.
10149         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10150
10151 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10152
10153         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10154         pattern.
10155         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10156
10157 2005-07-13  Eric Christopher  <echristo@redhat.com>
10158
10159         * config/mips/mips.c (mips_canonicalize_comparison): New.
10160         (mips_emit_int_relational): Use.
10161
10162 2005-07-13  Eric Christopher  <echristo@redhat.com>
10163
10164         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10165         static extra parts.
10166         * config/s390/s390.md: Include tpf.md. Move tpf specific
10167         patterns...
10168         * config/s390/tpf.md: To here.
10169         * config/s390/s390.opt: Move tpf specific options...
10170         * config/s390/tpf.opt: to here. Add mmain option.
10171         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10172         * config/s390/tpf.h: Rewrite.
10173
10174 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10175
10176         * doc/tm.texi: Remove @xref{Cross-profiling}.
10177
10178 2005-07-13  Jeff Law  <law@redhat.com>
10179
10180         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10181         expressions, test their _DECL operands for pointer equality rather
10182         than using operand_equal_p.
10183
10184 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10185
10186         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10187         (TARGET_POSIX_IO): This.
10188         * config/darwin.h: Likewise.
10189         * config/freebsd.h: Likewise.
10190         * config/linux.h: Likewise.
10191         * config/lynx.h: Likewise.
10192         * config/netbsd.h: Likewise.
10193         * config/rs6000/linux64.h: Likewise.
10194         * config/rs6000/linux.h: Likewise.
10195         * config/s390/tpf.h: Likewise.
10196         * config/sh/embed-elf.h: Likewise.
10197         * config/sparc/linux64.h: Likewise.
10198         * config/sparc/linux.h: Likewise.
10199         * config/svr4.h: Likewise.
10200         * gcov-io.h: Likewise.
10201
10202         * doc/tm.texi: Updated.
10203
10204         * libgcov.c (create_file_directory): Defined only if
10205         TARGET_POSIX_IO is defined.
10206         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10207         is defined.
10208
10209 2005-07-13  Jan Hubicka  <jh@suse.cz>
10210
10211         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10212
10213 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10214
10215         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10216         structure as argument.
10217
10218 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10219
10220         PR tree-optimization/21921
10221         * tree-iterator.c (tsi_link_before): Support the case when
10222         tsi_end_p (tsi) == true.
10223
10224 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10225
10226         PR tree-optimization/22442
10227         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10228         correctly.
10229
10230 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10231
10232         PR rtl-optimization/20376
10233         * toplev.c (process_options): Enable -fweb and -frename-registers when
10234         unrolling.
10235         * doc/invoke.texi: Update the information about when -fweb and
10236         -frename-registers are enabled.
10237
10238 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10239
10240         PR tree-opt/21840
10241         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10242         if *rhs_p is not a SSA_NAME.
10243
10244 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10245
10246         Fix PR tree-optimization/22422
10247         * tree-ssa-structalias.c (struct variable_info): Add flag for
10248         special vars.
10249         (get_varinfo): Now a static function.
10250         (new_varinfo): init has_union and is_special_var to false.
10251         (solution_set_add): Check has_union.
10252         (do_da_constraint): Move temporary variable so it gets reset
10253         properly.
10254         Also check for special variable.
10255         (do_ds_constraint): Ditto.
10256         (do_sd_constraint): Ditto.
10257         (do_structure_copy): Check for special variable.
10258         (find_func_aliases): Ditto.
10259         (init_base_vars): Set special vars properly.
10260
10261 2005-07-13  Jan Hubicka  <jh@suse.cz>
10262
10263         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10264         do unit-at-a-time.
10265
10266         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10267         (get_expr_operands): Fix thinko wrt flags and subvars.
10268
10269         PR tree-optimize/22379
10270         * tree-inline.c (expand_call_inline): Do not output sorry in early
10271         inlining.
10272
10273 2005-07-12  Dale Johannesen  <dalej@apple.com>
10274
10275         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10276
10277 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10278
10279         PR bootstrap/21704
10280         * host-linux.h: Include limits.h.
10281
10282 2005-07-12  Dale Johannesen  <dalej@apple.com>
10283
10284         * expr.c (compress_float_constant):  Add cost check.
10285         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10286
10287 2005-07-12  Dale Johannesen  <dalej@apple.com>
10288
10289         * gcc.target/i386/compress-float-sse.c:  New.
10290         * gcc.target/i386/compress-float-sse-pic.c:  New.
10291         * gcc.target/i386/compress-float-387.c:  New.
10292         * gcc.target/i386/compress-float-387-pic.c:  New.
10293         * gcc.dg/compress-float-ppc.c:  New.
10294         * gcc.dg/compress-float-ppc-pic.c:  New.
10295
10296 2005-07-12  Eric Christopher  <echristo@redhat.com>
10297
10298         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10299         static extra parts.
10300         * config/s390/s390.md: Include tpf.md. Move tpf specific
10301         patterns...
10302         * config/s390/tpf.md: To here.
10303         * config/s390/s390.opt: Move tpf specific options...
10304         * config/s390/tpf.opt: to here. Add mmain option.
10305         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10306         * config/s390/tpf.h: Rewrite.
10307
10308 2005-07-12  Eric Christopher  <echristo@redhat.com>
10309
10310         * gcc.c (struct infile): Update comment for language.
10311         (main): Rewrite input file resetting code.
10312
10313 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10314
10315         PR tree-opt/22335
10316         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10317         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10318         (lookup_avail_expr): Use constant_boolean_node instead
10319         of boolean_false_node/boolean_true_node.
10320
10321 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10322
10323         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10324         and use it when printing num_edges.
10325
10326 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10327
10328         * doc/extend.texi (Blackfin Built-in Functions): New section.
10329         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10330         @opindex.
10331
10332 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10333
10334         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10335         s/cmpstrsi/cmpstrnsi
10336         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10337         'cmpstrnsi'.
10338         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10339         (init_optabs): Initialize cmpstrn_optab.
10340         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10341         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10342         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10343         * config/i386/i386.md: s/cmpstr/cmpstrn
10344         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10345         * doc/md.texi: Update documentation.
10346
10347 2005-07-11  Richard Henderson  <rth@redhat.com>
10348
10349         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10350         build_va_arg_indirect_ref.
10351         (alpha_gimplify_va_arg): Likewise.
10352         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10353         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10354         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10355         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10356         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10357         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10358         Likewise.
10359         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10360
10361 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10362
10363         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10364         * passes.c (init_optimization_passes): Add pass_empty_loop.
10365         * tree-pass.h (pass_empty_loop): Declare.
10366         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10367         try_remove_empty_loop, remove_empty_loops): New functions.
10368         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10369         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10370
10371 2005-07-12  Peter Barada  <peter@the-baradas.com>
10372
10373         PR middle-end/16719
10374         PR middle-end/18421
10375         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10376         in address registers.
10377         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10378         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10379         alternative of addsi3_5200.
10380
10381 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10382
10383         * config/mips/mips.md (ffs<mode>2): Remove.
10384
10385 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10386
10387         * doc/tree-ssa.texi (Cleanups): Improve description of
10388         TRY_FINALLY_EXPR.
10389         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10390
10391 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10392
10393         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10394         * tree.h (DECL_ARGUMENT_FLD): New macro.
10395
10396 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10397
10398         Fix PR tree-optimization/22404
10399
10400         * tree-ssa-structalias.c (create_variable_info_for): Use
10401         correct offset.
10402
10403 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10404
10405         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10406         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10407         for second comparison operand.
10408         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10409
10410         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10411         (define_insn_reservation "alu"): Likewise.
10412         (csync, ssync): Now of type sync.
10413         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10414         -mcsync-anomaly -mspecld-anomaly.
10415         * config/bfin/bfin.opt (mcsync): Remove.
10416         (mcsync-anomaly, mspecld-anomaly): Add.
10417         * config/bfin/bfin.c: Include "insn-codes.h".
10418         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10419         (TARGET_DEFAULT_TARGET_FLAGS): New.
10420         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10421
10422 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10423
10424         * basic-block.h: Give the BB flags enum a name, bb_flags.
10425         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10426         * cfgcleanup.c (enum bb_flags): Remove here.
10427         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10428         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10429         (update_forwarder_flag): Likewise.
10430         (thread_jump): Likewise.
10431         (try_forward_edges): Likewise.
10432         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10433         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10434         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10435
10436 2005-07-11  Richard Guenther  <rguenther@suse.de>
10437
10438         * config/i386/i386.opt: New target option -msseregparm.
10439         * config/i386/i386.c (override_options): Error out for
10440         -msseregparm but no SSE support.
10441         (ix86_function_sseregparm): Check for global sseregparm.
10442         * doc/invoke.texi: Document -msseregparm.
10443
10444 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10445
10446         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10447         (m32rle-*-linux*): Ditto.
10448
10449 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10450
10451         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10452         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10453         bytes.
10454
10455 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10456
10457         PR middle-end/22239
10458         PR target/20126
10459         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10460         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10461
10462 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10463
10464         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10465         (varmap): Heapify varmap.
10466         (constraints): Heapify constraints.
10467         (struct constraint_graph): Heapify succs and preds.
10468         (constraint_vec_find): Update for heapification.
10469         (constraint_set_union): Ditto.
10470         (insert_into_complex): Ditto.
10471         (constraint_edge_vec_find): Ditto.
10472         (erase_graph_self_edge): Ditto.
10473         (add_graph_edge): Ditto.
10474         (get_graph_weights): Ditto.
10475         (merge_graph_nodes): Ditto.
10476         (build_constraint_graph): Ditto.
10477         (topo_visit): Ditto.
10478         (solve_graph): Ditto.
10479         (create_variable_info_for): Ditto.
10480         (init_base_vars): Ditto.
10481         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10482         (condese_varmap_nodes): Free complex vector.
10483         (clear_edges_for_node): Clear succs and preds vector.
10484
10485 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10486
10487         * tree-ssa-structalias.c (update_alias_info): Change counting of
10488         references to not include vdefs.
10489
10490 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10491
10492         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10493         (up_insert): Ditto.
10494
10495 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10496
10497         * pa.c (pa_commutative_p): Make PLUS commutative when
10498         TARGET_NO_SPACE_REGS is true.
10499
10500 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10501
10502         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10503         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10504         * tree-dfa.c (dump_subvars_for): New.
10505         (debug_subvars_for): New.
10506         (dump_variable): Show subvariables if VAR has them.
10507         * tree-flow-inline.h (get_subvar_at): New.
10508         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10509         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10510         Update all users.
10511         (struct subvar): Change fields offset and size to unsigned
10512         HOST_WIDE_INT.
10513         (dump_subvars_for): Declare.
10514         (debug_subvars_for): Declare.
10515         (get_subvar_at): Declare.
10516         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10517         to unsigned HOST_WIDE_INT *.
10518         (overlap_subvar): Likewise.
10519         * tree-gimple.c (is_gimple_reg): Always return false for
10520         SFTs and memory tags.
10521         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10522         Update all callers.
10523         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10524         (compute_may_aliases): Call compute_points_to_sets.
10525         (collect_points_to_info_for): Remove.
10526         (compute_points_to_and_addr_escape): Remove.
10527         (delete_alias_info): Call delete_points_to_sets.
10528         (compute_flow_sensitive_aliasing): If the call to
10529         find_what_p_points_to returns false, call set_pt_anything.
10530         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10531         (set_pt_anything): Clear pi->pt_vars.
10532         (set_pt_malloc): Remove.
10533         (merge_pointed_to_info): Remove.
10534         (add_pointed_to_expr): Remove.
10535         (add_pointed_to_var): Remove.
10536         (collect_points_to_info_r): Remove.
10537         (is_escape_site): Make extern.
10538         (create_sft): New.
10539         (create_overlap_variables_for): Call it.
10540         * tree-ssa-copy.c (merge_alias_info): Never merge
10541         flow-sensitive alias information.
10542         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10543         offset and size to be unsigned HOST_WIDE_INT.
10544         (add_to_addressable_set): Rename from note_addressable.
10545         Set TREE_ADDRESSABLE as the variables are added to the set.
10546         Update all users.
10547         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10548         operands into VUSEs when adding V_MAY_DEFs for members in an
10549         alias set.
10550         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10551         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10552         (struct variable_info): Add bitfield is_heap_var.
10553         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10554         (new_var_info): Initialize is_heap_var.
10555         (get_constraint_for): Add HEAP variables to the symbol table.
10556         Mark them with is_heap_var.
10557         (update_alias_info): New.  Taken mostly from the old
10558         compute_points_to_and_addr_escape.
10559         (handle_ptr_arith): New.
10560         (find_func_aliases): Call update_alias_info.
10561         Call handle_ptr_info for tcc_binary expressions.
10562         Call mark_stmt_modified.
10563         (create_variable_info_for): If DECL has subvars, do not create
10564         variables for its subvars.  Always add all the fields.
10565         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10566         SFTs, then add all the SFTs of the structure.
10567         If VI->DECL is an aggregate with subvariables, add the SFT at
10568         VI->OFFSET.
10569         (find_what_p_points_to): If VI is an artificial variable,
10570         translate to bitfields in SSA_NAME_PTR_INFO.
10571         If the solution is empty, set pi->pt_vars to NULL
10572         (init_base_vars): Create ANYOFFSET.
10573         (compute_points_to_sets): Rename from create_alias_vars.
10574         Make extern.
10575         (pass_build_pta): Remove.
10576         (delete_points_to_sets): Rename from delete_alias_vars.
10577         (pass_del_pta): Remove.
10578         * tree-ssa-structalias.h (struct alias_info): Move from
10579         tree-ssa-alias.h.
10580         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10581         NUM_REFERENCES_SET): Likewise.
10582         (compute_points_to_sets, delete_points_to_sets): Declare.
10583
10584 2005-07-09  Richard Henderson  <rth@redhat.com>
10585
10586         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10587         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10588         alpha_split_lock_test_and_set_12): New functions.
10589         * config/alpha/alpha-protos.h: Update.
10590         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10591         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10592         * config/alpha/sync.md (I12MODE): New.
10593         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10594         (sync_<fetchop_name><I48MODE>): Likewise.
10595         (sync_nand<I48MODE>): Likewise.
10596         (sync_old_<fetchop_name><I48MODE>): Likewise.
10597         (sync_new_<fetchop_name><I48MODE>): Likewise.
10598         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10599         (sync_compare_and_swap<I48MODE>): Likewise.
10600         (sync_lock_test_and_set<I48MODE>): Likewise.
10601         (sync_compare_and_swap<I12MODE>): New.
10602         (sync_compare_and_swap<I12MODE>_1): New.
10603         (sync_lock_test_and_set<I12MODE>): New.
10604         (sync_lock_test_and_set<I12MODE>_1): New.
10605
10606 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10607
10608         PR 21356
10609         PR 22332
10610         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10611
10612 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10613
10614         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10615         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10616
10617 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10618
10619         PR target/21656
10620         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10621
10622 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10623
10624         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10625         memory_operand constraint.
10626         (store_conditional_<mode>): Same.
10627         (sync_compare_and_swap<mode>): Same.
10628         (sync_lock_test_and_set<mode>): Same.
10629
10630 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10631
10632         Rewrite PIC support to more closely model actual instructions.
10633         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10634         (cris_symbol): Remove prototypes for removed functions.
10635         (cris_pic_symbol_type_of, cris_valid_pic_const)
10636         (cris_expand_pic_call_address): Prototypes for new functions.
10637         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10638         variable.
10639         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10640         modifiers.
10641         <case ':'>: Add case for new punctuation character.
10642         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10643         emitting (extra) PIC modifier.
10644         <case UNSPEC>: Do not assert for PLT.
10645         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10646         (cris_expand_prologue, cris_expand_epilogue): Check
10647         for pic_offset_table_rtx usage instead of taking
10648         current_function_uses_pic_offset_table as the final word.
10649         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10650         Remove flag_pic difference.
10651         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10652         the moral equivalents of...
10653         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10654         functions.
10655         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10656         (cris_handle_option): Mark ARG as unused.
10657         (cris_expand_pic_call_address): New worker function for "call",
10658         "call_value".
10659         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10660         output PIC constructs here.
10661         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10662         as symbol-specific modifers, not whole or part of operands.
10663         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10664         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10665         constants and flag_pic.
10666         (CONSTANT_INDEX_P): Adjust for new functions.
10667         (enum cris_pic_symbol_type): New helper type.
10668         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10669         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10670         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10671         define_constants.
10672         ("movsi"): Emit actual instructions for GOT and relative access.
10673         ("*movsi_got_load"): New pattern to set up the register holding
10674         the GOT pointer.
10675         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10676         Adjust FIXME for 'S'.
10677         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10678         Use "movs" for -fpic cases.
10679         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10680         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10681         ("call", "call_value"): Just call cris_expand_pic_call_address for
10682         PIC addresses.
10683         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10684         Remove special pattern.
10685         ("*expanded_call_side", "*expanded_call_value_side"): New
10686         patterns.
10687         (gotplt-to-plt, gotplt-to-plt-side-call)
10688         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10689         peephole2:s.
10690         * config/cris/cris/predicates.md
10691         ("cris_general_operand_or_gotless_symbol"): Remove unused
10692         predicate.
10693         ("cris_general_operand_or_symbol"): Adjust for new functions.
10694
10695 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10696
10697         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10698
10699 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10700
10701         * Makefile.in (TREE_H): Add treestruct.def.
10702         (c-decl.o): Add pointer-set.h
10703         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10704         visibility on regular DECL's.
10705         (merge_decls): Fix the copying of decl nodes of various types for
10706         the new structures.  Don't update RTL, section name, weak status,
10707         etc, on DECL's without RTL.
10708         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10709         Don't check volatile on non-variable types.
10710         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10711         to check whether we have seen arguments.
10712         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10713         flag is checked before field (flag is common, field is not).
10714         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10715         TS_DECL_COMMON could have an origin.
10716         (add_location_or_const_value_attribute): Don't check section name
10717         on non-var/function decls.
10718         (dwarf2out_var_location): Reverse order of tests.
10719         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10720         with DECL_WRTL_CHECK.
10721         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10722         * fold-const.c (fold_binary): Don't check weakness on
10723         non-var/function decls.
10724         (tree_expr_nonzero_p): Ditto.
10725         (fold_checksum_tree): Use tree_decl_extra as sizeof
10726         buffer.
10727         * ggc-page.c (extra_order_size_table): Add sizes for
10728         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10729         tree_field_decl.
10730         * gimplify.c (gimplify_bind_expr): Only set
10731         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10732         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10733         without RTL.
10734         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10735         * langhooks.h (init_ts). New langhook.
10736         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10737         * print-tree.c (print_node): Update to only print fields that
10738         exist in the structures the passed decl has.
10739         * toplev.c (wrapup_global_declarations): Don't reset
10740         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10741         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10742         * tree-inline.c (remap_decl): Ditto.
10743         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10744         * tree-pretty-print.c (print_declaration): Don't print
10745         DECL_REGISTER on things that don't contain it.
10746         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10747         non-var/function decls.
10748         * tree.c (tree_contains_struct): New structure.
10749         (init_priority_for_decl): New hashtable.
10750         (tree_int_map): New structure.
10751         (tree_int_map_eq): New function.
10752         (tree_int_map_marked_p): Ditto.
10753         (tree_int_map_hash): Ditto.
10754         (tree_map): Move to tree.h.
10755         (tree_map_eq): Externalize.
10756         (tree_map_hash): Ditto.
10757         (tree_map_marked_p): Ditto.
10758         (init_ttree): Set up tree_contains_struct and call langhook.
10759         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10760         (tree_code_size): Update for new structures.
10761         (tree_node_structure): Update for new structures.
10762         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10763         without the field.
10764         (copy_node_stat):  Copy init priority.
10765         (build_decl_stat): Ditto for visibility.
10766         (ts_enum_names): New.
10767         (tree_contains_struct_check_failed): New function.
10768         (decl_init_priority_lookup): Ditto.
10769         (decl_init_priority_insert): Ditto.
10770         * treestruct.def: New file.
10771         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10772         (CONTAINS_STRUCT_CHECK): Ditto.
10773         (tree_contains_struct_check_failed): New prototype.
10774         (DECL_CHECK): Removed.
10775         (DECL_MINIMAL_CHECK): New.
10776         (DECL_COMMON_CHECK): Ditto.
10777         (DECL_WRTL_CHECK): Ditto.
10778         (DECL_NON_COMMON_CHECK): Ditto.
10779         (DECL_WITH_VIS_CHECK): Ditto.
10780         (VAR_OR_FUNCTION_DECL_P): Ditto
10781         (struct tree_decl_minimal): New structure.
10782         (struct tree_decl_common): Ditto.
10783         (struct tree_decl_with_rtl): Ditto.
10784         (struct tree_decl_with_vis): Ditto.
10785         (struct tree_decl_non_common): Ditto.
10786         (struct tree_field_decl): Ditto.
10787         (struct tree_parm_decl): Ditto.
10788         (struct tree_var_decl): Ditto.
10789         (struct tree_function_decl): Ditto.
10790         (struct tree_const_decl): Ditto.
10791         (struct tree_result_decl): Ditto.
10792         (union tree_node): Add new structures.
10793         * var-tracking.c (track_expr_p): Reverse order of tests.
10794
10795         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10796
10797 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10798
10799         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10800         * system.h: Poison FINALIZE_PIC.
10801         * doc/tm.texi (FINALIZE_PIC): Remove.
10802
10803 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10804
10805         PR tree-opt/22329
10806         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10807         to the correct type if we have a MODIFY_EXPR.
10808
10809 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10810
10811         PR tree-optimization/22360
10812         * tree.c (upper_bound_in_type): Fix calculations for casting
10813         to a non-wider signed type and casting a signed value to a
10814         wider unsigned type.
10815         (lower_bound_in_type): Fix calculations for casting to a
10816         non-wider signed type.
10817
10818         PR tree-optimization/20139
10819         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10820         release_defs.
10821         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10822         fold_cond_expr_cond.
10823         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10824         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10825
10826 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10827
10828         PR tree-opt/22356
10829         * tree-complex.c (expand_complex_libcall): Produce
10830         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10831
10832 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10833
10834         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10835         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10836         b" assert and inserted fastpath code for this case.
10837         (bitmap_ior): Removed "a != b" assert.
10838
10839 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10840
10841         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10842         (ENDFILE_SPEC): Likewise.
10843         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10844
10845         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10846         a large stack frame at epilogue.
10847
10848 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10849
10850         * final.c: Include sdbout.h when required.
10851
10852 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10853
10854         * config.gcc (*-*-darwin*): Only one target-specific header file
10855         for generic darwin.
10856         (powerpc-*-darwin*): Add version-specific header files.
10857         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10858         * config.in: Regenerate.
10859         * configure: Regenerate.
10860         * gcc.c: Include xregex.h.
10861         (version_compare_spec_function): New.
10862         (spec_function): Add version-compare.
10863         (replace_outfile_spec_function): Reformat comment.
10864         (compare_version_strings): New.
10865         * config/darwin-c.c (version_as_macro): New.
10866         (builtin_define): New.
10867         (darwin_cpp_builtins): New.
10868         * config/darwin-protos.h (darwin_cpp_builtins): New.
10869         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10870         (LIB_SPEC): Make unconditional, update comment.
10871         (TARGET_C99_FUNCTIONS): Define.
10872         * config/darwin.opt: Sort.
10873         (mmacosx-version-min=): New.
10874         * config/darwin7.h: Delete.
10875         * config/darwin8.h: Delete.
10876         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10877         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10878         (TARGET_C99_FUNCTIONS): Define.
10879         * config/rs6000/darwin7.h: New.
10880         * config/rs6000/darwin8.h: New.
10881         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10882         (-mmacosx-version-min): Document.
10883
10884 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10885
10886         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10887
10888 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10889
10890         PR middle-end/22239
10891         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10892
10893 2005-07-07  Khem Raj  <kraj@mvista.com>
10894
10895         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10896         in bytes, not words.
10897
10898 2005-07-07  Paul Brook  <paul@codesourcery.com>
10899
10900         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10901         DEFAULT_FUNCTION_ARG_PADDING to upward.
10902
10903 2005-07-07  Richard Henderson  <rth@redhat.com>
10904
10905         * function.c (locate_and_pad_parm): Record parameter alignment in
10906         stack_alignment_needed.
10907
10908 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10909
10910         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10911         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10912         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10913         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10914         (define_attr "type"): Add isync, sync, load_l, store_c.
10915         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10916         Create scratch volatile MEM.
10917         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10918         sync.
10919         (load_locked_<mode>): New.
10920         (store_conditional_<mode>): New.
10921         (sync_compare_and_swap<mode>): Replace with splitter.
10922         (sync_lock_test_and_set<mode>): Replace with splitter.
10923         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10924         and UNSPECV_ISYNC.
10925         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10926         is ics.  Attribute isync.
10927         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10928         lwsync.
10929         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10930         and UNSPECV_SYNC_OP.
10931         (emit_unlikely_jump): New.
10932         (emit_load_locked): New.
10933         (emit_store_conditional): New.
10934         (rs6000_split_compare_and_swap): New.
10935         (rs6000_split_lock_test_and_set): New.
10936         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10937         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10938         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10939         rs6000_split_lock_test_and_set): Declare.
10940         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10941         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10942         store_c, isync, sync.
10943
10944 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10945
10946         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10947         filenames to gtyp-gen.h.
10948         (s-typ-gen): Use it in place of for loops.
10949
10950 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10951
10952         * hooks.c (hook_bool_rtx_int_false): New function.
10953         * hooks.h (hook_bool_rtx_int_false): Declare.
10954         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10955         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10956         * target.h (struct gcc_target): Add commutative_p member.
10957         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10958         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10959         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10960         (pa_commutative_p): New function.
10961         * jump.c (target.h): Include.
10962         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10963         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10964
10965 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10966
10967         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10968         (s390_expand_setmem): New.
10969         * config/s390/s390.c: Likewise.
10970         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10971         Adapt comments.
10972         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10973         general_operand.  Call new function "s390_expand_setmem".
10974         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10975         ("setmem_long", "*setmem_long"): ... this.
10976
10977 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10978
10979         * config/s390/s390.c: (optimization_options): Enable
10980         TARGET_MVCLE at -Os.
10981         * doc/invoke.texi: Document changes in default behaviour.
10982         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10983
10984 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10985
10986         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10987         defined by back-end.
10988
10989 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10990
10991         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10992         all sets in the pattern.
10993         * config/rs6000/rs6000.md (stack_protect_testsi,
10994         stack_protect_testdi): Likewise.
10995
10996 2005-07-06  Jeff Law  <law@redhat.com>
10997
10998         * tree-vrp.c (simplify_using_ranges): Kill.
10999         (vrp_finalize): Remove call to simplify_using_ranges.
11000         (simplify_stmt_using_ranges): New function extracted from
11001         simplify_using_ranges.
11002         (simplify_div_or_mod_using_ranges): Likewise.
11003         (simplify_abs_using_ranges): Likewise.
11004         (simplify_cond_using_ranges): New function.
11005         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11006         * tree-ssa-propagate.c (substitute_and_fold): Call
11007         simplify_stmt_using_ranges if we have range information.
11008
11009 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11010
11011         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11012         ia64_flag_schedule_isns2.
11013
11014         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11015         reading/writing general registers.
11016         (ia64_function_arg): Revert 2005-06-18 change.
11017
11018 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11019
11020         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11021         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11022
11023 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11024
11025         * function.c (expand_function_end): Revert part of 2005-06-27
11026         patch.  Do sjlj_emit_function_exit_after after return_label.
11027
11028 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11029
11030         * doc/install.texi (--disable-libssp): New.
11031
11032 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11033
11034         * doc/invoke.texi: Update -fforce-mem documentation.
11035         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11036         code for -fforce-mem.
11037         * expmed.c: (store_bit_field,store_fixed_bit_field,
11038         extract_bit_field): Ditto.
11039         * expr.c: (convert_move): Ditto.
11040         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11041         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11042         emit_conditional_add,expand_float,expand_fix): Ditto.
11043         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11044         (common_handle_option): Issue warning when -fforce-mem specified.
11045
11046 2005-07-06  Paul Brook  <paul@codesourcery.com>
11047
11048         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11049         argument is empty.
11050         * configure: Regenerate.
11051
11052 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11053
11054         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11055
11056 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11057
11058         Fix PR tree-optimization/22319
11059         Fix PR tree-optimization/22140
11060         Fix PR tree-optimization/22310
11061
11062         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11063         variable sized types.
11064         Use correct type for intermediate structure on *a = *b structure
11065         copies.
11066
11067 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11068
11069         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11070         Remove.
11071         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11072         (machine_function): Move typedef to...
11073         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11074         varargs_save_offset field.
11075         (rs6000_stack_t): Remove varargs_size field.
11076         (setup_incoming_varargs): Allocate varargs save area using
11077         assign_stack_local, try to make it as small as possible.
11078         Save offset from virtual_stack_vars_rtx to the save area
11079         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11080         instead of magic 8 when fp word byte size is used.
11081         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11082         instead of -RS6000_VARARGS_SIZE.
11083         (rs6000_stack_info, debug_stack_info,
11084         rs6000_initial_elimination_offset): Remove all traces of
11085         varargs_size.
11086         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11087         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11088         RS6000_VARARGS_AREA.
11089
11090 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11091
11092         PR tree-optimization/21963
11093         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11094         constant_multiple_of in the same way get_computation_cost_at does.
11095
11096 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11097
11098         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11099         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11100         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11101         and return its previous value.
11102         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11103         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11104         constants.
11105         (stack_protect_set, stack_protect_test): New expanders.
11106         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11107         stack_protect_testdi): New insns.
11108         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11109         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11110
11111 2005-07-06  Jeff Law  <law@redhat.com>
11112
11113         * tree-ssa-dce.c (cfg_altered): New global.
11114         (tree_dce_init): Initialize cfg_altered.
11115         (remove_dead_stmt): If we remove an edge in the CFG, then set
11116         CFG_ALTERED.
11117         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11118         the dominators.
11119
11120 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11121
11122         * Makefile.in (stamp-collect-ld): Use
11123         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11124         ./collect-ld if it already exists.
11125         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11126         Don't remove ./nm if it already exists.
11127
11128 2005-07-05  Devang Patel  <dpatel@apple.com>
11129
11130         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11131         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11132         * tree-vectorizer.c (vect_loop_location): New.
11133         (vect_print_dump_info): Use vect_loop_location.
11134         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11135         (vectorize_loops): Set vect_loop_location.
11136         * tree-vect-analyze.c (vect_analyze_offset_expr,
11137         vect_determin_vectorization_factor, vect_analyze_operations,
11138         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11139         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11140         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11141         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11142         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11143         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11144         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11145         vect_analyze_loop): Adjust vect_print_dump_info API.
11146         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11147         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11148         vect_finish_stmt_generation, vectorizable_assignment,
11149         vectorizable_operation, vectorizable_store, vectorizable_load,
11150         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11151         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11152         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11153         vect_transform_loop): Same.
11154         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11155         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11156         Same.
11157
11158 2005-07-05  Randolph Chung  <tausq@debian.org>
11159
11160         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11161         * configure: Regenerate.
11162         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11163         (pa_tls_referenced_p): Declare.
11164         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11165         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11166         (legitimize_tls_address): New.
11167         (hppa_legitimize_address): Handle TLS addresses.
11168         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11169         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11170         (emit_move_sequence): Handle TLS addresses.
11171         (pa_encode_section_info): Call default handler to handle common
11172         sections.
11173         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11174         (CONSTANT_ADDRESS_P): Reject TLS operands.
11175         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11176         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11177         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11178         (UNSPEC_TLSLE): Define new constants.
11179         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11180         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11181         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11182         (tie_symbolic_operand, tle_symbolic_operand): New
11183
11184 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11185
11186         * aclocal.m4: Update macros for autoconf 2.59 style.
11187         * configure.ac: Likewise.
11188
11189 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11190
11191         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11192         (function_arg): Pass small aggregates in general registers on 32-bit
11193         targets.
11194         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11195
11196 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11197
11198         * Makefile.in (final.o): Fix dependencies.
11199
11200 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11201
11202         PR c/22013
11203         PR c/22098
11204         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11205         * langhooks.c (lhd_expr_to_decl): New.
11206         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11207         New.
11208         (LANG_HOOKS_INITIALIZER): Update.
11209         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11210         expr_to_decl langhook.
11211         * c-tree.h (c_expr_to_decl): Declare.
11212         * c-typeck.c (c_expr_to_decl): New.
11213         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11214         specially.
11215         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11216
11217 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11218
11219         PR c/22308
11220         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11221         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11222
11223 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11224
11225         * Makefile.in: Adjust dependencies.
11226         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11227         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11228         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11229         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11230         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11231         rest_of_compilation.
11232
11233         * bb-reorder.c (gate_duplicate_computed_gotos,
11234         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11235         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11236         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11237         pass_partition_blocks): New.
11238         * bt-load.c (gate_handle_branch_target_load_optimize,
11239         rest_of_handle_branch_target_load_optimize,
11240         pass_branch_target_load_optimize): New.
11241         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11242         pass_jump2): New.
11243         * cfglayout.c (pass_insn_locators_initialize): New.
11244         * cfgrtl.c (pass_free_cfg): New.
11245         * combine.c (gate_handle_combine, rest_of_handle_combine,
11246         pass_combine): New.
11247         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11248         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11249         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11250         * except.c (pass_set_nothrow_function_flags,
11251         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11252         pass_rtl_eh): New.
11253         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11254         rest_of_handle_shorten_branches, pass_shorten_branches,
11255         rest_of_clean_state, pass_clean_state): New.
11256         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11257         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11258         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11259         pass_flow2): New.
11260         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11261         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11262         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11263         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11264         pass_gcse): New.
11265         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11266         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11267         pass_rtl_ifcvt, gate_handle_if_after_combine,
11268         rest_of_handle_if_after_combine, pass_if_after_combine,
11269         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11270         pass_if_after_reload): New.
11271         * integrate.c (pass_initial_value_sets): New.
11272         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11273         pass_purge_lineno_notes): New.
11274         * mode-switching.c (rest_of_handle_mode_switching,
11275         pass_mode_switching): New.
11276         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11277         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11278         pass_loop2): New.
11279         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11280         pass_loop_optimize): New.
11281         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11282         pass_sms): New.
11283         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11284         pass_gcse2): New.
11285         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11286         pass_postreload_cse): New.
11287         * profile.c (gate_handle_profiling, pass_profiling,
11288         rest_of_handle_branch_prob, pass_branch_prob): New.
11289         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11290         pass_split_before_regstack, gate_handle_split_before_regstack,
11291         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11292         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11293         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11294         pass_stack_regs): New.
11295         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11296         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11297         pass_stack_adjustments): New.
11298         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11299         pass_regrename): New.
11300         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11301         pass_delay_slots, gate_handle_machine_reorg,
11302         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11303         * rtl.h (extern void purge_line_number_notes): New.
11304         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11305         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11306         pass_sched2): New.
11307         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11308         pass_tracer): New.
11309         * value-prof.c (gate_handle_value_profile_transformations,
11310         rest_of_handle_value_profile_transformations,
11311         pass_value_profile_transformations): New.
11312         * var-tracking.c (gate_handle_var_tracking,
11313         pass_variable_tracking): New.
11314         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11315
11316         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11317         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11318         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11319         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11320         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11321         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11322         rest_of_handle_gcse2, rest_of_handle_regmove,
11323         rest_of_handle_tracer, rest_of_handle_if_conversion,
11324         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11325         rest_of_handle_web, rest_of_handle_branch_prob,
11326         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11327         rest_of_handle_jump_bypass, rest_of_handle_combine,
11328         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11329         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11330         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11331         rest_of_handle_mode_switching, rest_of_handle_jump,
11332         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11333         rest_of_handle_flow2, rest_of_handle_jump2,
11334         rest_of_handle_peephole2, rest_of_handle_postreload,
11335         rest_of_handle_shorten_branches, rest_of_clean_state,
11336         rest_of_compilation): Remove.
11337
11338         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11339         * passes.c (dump_flags, in_gimple_form, all_passes,
11340         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11341         register_dump_files, next_pass_1, last_verified, execute_todo,
11342         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11343         from tree-optimize.c.
11344         (init_optimization_passes): Moved from tree-optimize.c,
11345         adding the RTL optimizations.
11346         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11347         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11348         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11349         register_dump_files, next_pass_1, last_verified, execute_todo,
11350         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11351         init_tree_optimization_passes, ipa_passes): Delete.
11352         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11353         the RTL dumps.
11354         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11355         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11356         from tree.h.
11357         (ipa_passes): Remove.
11358         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11359         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11360         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11361         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11362         (dump_info_p, dump_flag): Moved to tree-dump.h.
11363
11364         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11365         cgraph.c, opts.c.
11366         * passes.c (finish_optimization_passes): Use dump_begin
11367         and dump_end, TDI_end.
11368         (gate_rest_of_compilation): New.
11369         (pass_rest_of_compilation): Use it.
11370         (gate_postreload, pass_postreload): New.
11371         * toplev.c (general_init): Rename init_tree_optimization_passes.
11372         * toplev.h (init_tree_optimization_passes): Rename to
11373         init_optimizations_passes.
11374         * tree-dump.c (dump_flag): Make static.
11375         (dump_files): Remove RTL dumps.
11376         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11377         pass_cleanup_cfg, pass_free_cfg_annotations,
11378         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11379         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11380         * tree-pretty-print.c: Include tree-pass.h.
11381         * cgraph.c: Include tree-dump.h.
11382
11383 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11384
11385         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11386         Only fall back to saying it points to readonly memory if
11387         we can't do better.
11388
11389 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11390
11391         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11392         * config/m32r/m32r.c (m32r_compute_frame_size,
11393         m32r_expand_prologue): Take current_function_profile into
11394         account whenever we reference
11395         current_function_uses_pic_offset_table.
11396         (m32r_finalize_pic): Remove.
11397         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11398
11399 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11400
11401         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11402         instead of $<.  Don't remove ./as if it already exists.
11403
11404 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11405
11406         PR target/21723
11407         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11408         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11409         for complex modes when generating code for PA 1.0.
11410         (VALID_FP_MODE_P): New macro.
11411         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11412         sets for all general and floating point modes.  Align wide floating
11413         point modes to even register boundaries to comply with architectural
11414         requirements.
11415         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11416         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11417         (VALID_FP_MODE_P): New macro.
11418         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11419         sets for all general and floating point modes.  Align wide floating
11420         point modes to even register boundaries to comply with architectural
11421         requirements.
11422
11423 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11424
11425         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11426         to 0.
11427
11428 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11429
11430         * tree-ssa-structalias.c: Don't include expr.h.
11431
11432 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11433
11434         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11435         comments.
11436
11437 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11438
11439         Fix PR tree-optimization/22279
11440
11441         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11442         correct operator.
11443
11444 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11445
11446         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11447
11448 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11449
11450         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11451         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11452         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11453         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11454         config/stormy16/stormy16.c, config/v850/v850.c,
11455         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11456         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11457         Avoid "." or "\n" at end of diagnostics and capital letters at
11458         start of diagnostics.
11459         * combine.c, cse.c: Don't translate dump file output.
11460         * toplev.c (print_version): Only translate output if going to
11461         stderr.
11462
11463 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11464
11465         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11466         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11467         typos.
11468
11469 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11470
11471         * pa.c (fix_range): Fix typo in comment.
11472
11473 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11474
11475         * tree-vrp.c (extract_range_from_assert): Replace
11476         fold (build (...)) with fold_build2.
11477
11478 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11479
11480         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11481         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11482         (format_types_orig, handle_format_attribute): Add support for
11483         format "gcc_gfc".
11484
11485 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11486
11487         * varasm.c (assemble_variable): Fix format specifier thinko.
11488
11489 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11490
11491         PR tree-optimization/22029 (and 22135)
11492         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11493         a phi node before calling dump_vops.
11494
11495 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11496
11497         * tree-dump.h (dump_string_field): Declare.
11498         * tree-dump.c: Use it instead of dump_string.
11499         (dump_string_field): Make non-static.
11500
11501 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11502
11503         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11504         up the minimal CFG stuff always when optimize > 0.  Call
11505         split_all_insns_noflow in PIC case if needed.
11506
11507 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11508             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11509
11510         PR c++/18279
11511         * c-decl.c (c_write_global_declarations): Dump contents of
11512         external scope to.
11513         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11514         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11515         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11516         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11517         is enabled.
11518
11519 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11520
11521         * c-common.h (GCC_DIAG_STYLE): Define.
11522         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11523         version for format checking to 4.1.
11524         * c-format.c: Include toplev.h after c-common.h.
11525         (enum format_type): Add gcc_tdiag_format_type.
11526         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11527         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11528         (format_types_orig): Add gcc_tdiag.
11529         (init_dynamic_diag_info): Support gcc_tdiag formats.
11530         (handle_format_attribute): Likewise.
11531         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11532         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11533         version for format checking to 4.1.
11534         (warning0, warning, error, pedwarn, sorry): Use
11535         ATTRIBUTE_GCC_DIAG.
11536         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11537         (finish_aliases_1): Do not use %qE.
11538         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11539         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11540         Correct format bugs.
11541         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11542         parameter to unsigned HOST_WIDE_INT.
11543         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11544
11545 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11546
11547         PR middle-end/21742
11548         * expr.c (write_complex_part): Use adjust_address for MEM.
11549         (read_complex_part): Same.
11550
11551 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11552
11553         Fix PR tree-optimization/22280
11554
11555         * tree-sra.c (generate_element_init): Remove useless loop.
11556
11557 2005-07-02  Richard Henderson  <rth@redhat.com>
11558
11559         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11560         TLS_MODEL_NONE.
11561         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11562
11563 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11564
11565         PR middle-end/14490
11566         * fold-const.c (fold_binary): Handle the return value of
11567         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11568         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11569
11570 2005-07-02  Jeff Law  <law@redhat.com>
11571
11572         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11573         a eliminate type conversion which feeds an equality comparison
11574         if the original type or either operand in the comparison is a
11575         function pointer.
11576
11577 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11578
11579         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11580         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11581         texts.
11582         * config/avr/avr.c: Do not use '`' as left quote.
11583         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11584         Remove "." from end of diagnostics.  Make diagnostics start with
11585         lowercase letter.
11586
11587 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11588             Joseph S. Myers  <joseph@codesourcery.com>
11589
11590         * toplev.c (default_tree_printer): Handle setting location with
11591         '+' flag.
11592         * c-objc.common.c (c_tree_printer): Likewise.
11593         * c-format.c (gcc_diag_flag_specs): Add '+'.
11594         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11595         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11596         formats.
11597         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11598         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11599         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11600         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11601         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11602         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11603         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11604         format arguments where %J is used without %D.
11605
11606 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11607
11608         * gcc.c (LINK_SSP_SPEC): Define.
11609         (link_ssp_spec): New variable.
11610         (LINK_COMMAND_SPEC): Add %(link_ssp).
11611         (static_specs): Add link_ssp_spec.
11612         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11613         * configure: Rebuilt.
11614         * config.in: Rebuilt.
11615
11616         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11617         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11618         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11619         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11620         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11621         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11622         -0x7008(2) instead of reading __stack_chk_guard variable.
11623         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11624         number.
11625         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11626         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11627         if TARGET_THREAD_SSP_OFFSET is defined.
11628         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11629         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11630
11631         Revert:
11632         2005-06-27  Richard Henderson  <rth@redhat.com>
11633         * libgcc-std.ver (GCC_4.1.0): New.
11634         * libgcc.h (__stack_chk_guard): Declare.
11635         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11636         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11637         * mklibgcc.in (lib2funcs): Add them.
11638
11639 2005-07-01  Richard Henderson  <rth@redhat.com>
11640
11641         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11642         void * before struct sigcontext *.
11643         (x86_fallback_frame_state): Likewise.
11644
11645 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11646
11647         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11648
11649 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11650
11651         PR tree-opt/22269
11652         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11653         we check for SSA_NAME for.
11654
11655 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11656
11657         Fix PR tree-optimization/22071
11658
11659         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11660         function.
11661         (get_constraint_for_component_ref): Use it.
11662
11663 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11664
11665         PR other/22264
11666         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11667         print out the last new line.
11668
11669 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11670
11671         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11672         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11673         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11674         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11675         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11676         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11677         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11678         (enum reg_class): New member CC0_REGS.
11679         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11680         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11681         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11682         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11683         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11684         Adjust for register now described.
11685
11686 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11687
11688         PR target/22262
11689         * config/i386/i386.md (stack_protect_test_si,
11690         stack_protect_test_di): Add earlyclobber for scratch 3.
11691         * config/rs6000/rs6000.md (stack_protect_testsi,
11692         stack_protect_testdi): Add earlyclobber for scratch 3,
11693         remove earlyclobber from scratch 4.
11694
11695 Older entries for 2005 can be found in ChangeLog-2005.