cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of cond_expr parameter.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
2
3         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
4         cond_expr parameter.
5
6 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
7
8         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
9
10 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
11
12         PR bootstrap/25397:
13
14         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
15         of STACK_REGS bits.
16
17         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
18
19 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
20
21         PR target/25254
22         PR target/24188
23         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
24         DECL_P, call get_section rather than get_named_section.  Supply
25         section flags to it.
26
27 2005-12-14  Ben Elliston  <bje@au.ibm.com>
28
29         * c-common.c (c_common_truthvalue_conversion): Generalise warning
30         for addresses converted to booleans; not just function addresses.
31         * c-typeck.c (build_binary_op): Warn for address comparisons which
32         can never be NULL (eg. func == NULL or &var == NULL).
33         * common.opt (Walways-true): New option.
34         * c-opts.c (c_common_handle_option): Set it with -Wall.
35         * doc/invoke.texi: Document it.
36
37 2005-12-13  Paul Brook  <paul@codesourcery.com>
38
39         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
40         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
41
42 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
43
44         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
45         (EXTRA_MULTILIB_PARTS): Define.
46
47 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
48
49         PR rtl-optimization/20070 / part1
50         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
51         count_or_remove_death_notes with kill == -1.
52         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
53         registers if PROP_POST_REGSTACK is set.
54         (mark_used_reg): Likewise.
55         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
56         REG_UNUSED notes for stack regs.
57         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
58         to match rtx_equiv_p machinery.  Change caller.
59         (outgoing_edges_match): Likewise.
60         (try_crossjump_to_edge): Use struct_equiv_block_eq
61         instead of flow_find_cross_jump.
62         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
63         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
64         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
65         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
66         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
67         (insns_match_p): Update prototype.
68         (flow_find_cross_jump): Remove prototype.
69         (struct_equiv_block_eq, struct_equiv_init): Declare.
70         (rtx_equiv_p, condjump_equiv_p): Likewise.
71         * struct-equiv.c: Include reload.h.
72         (IMPOSSIBLE_MOVE_FACTOR): Define.
73         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
74         (struct_equiv_improve_checkpoint): Likewise.
75         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
76         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
77         (struct_equiv_merge, find_dying_input): Likewise.
78         (resolve_input_conflict, note_local_live): Likewise.
79         (death_notes_match_p): Change parameters and processing
80         to match rtx_equiv_p machinery.  Change caller.
81         (insns_match_p): Likewise.
82         (flow_find_cross_jump): Replace with:
83         (struct_equiv_block_eq).
84
85         Back out this change:
86         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
87           * recog.c (verify_changes): Make it static.
88           * recog.h: Remove the corresponding prototype.
89
90 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
91
92         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
93         values.
94
95 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
96
97         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
98         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
99         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
100         TARGET_MS1_64_001 appropriately.
101         (ms1_machine_reorg): Use TARGET_MS2.
102
103 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
104
105         PR debug/25023
106         PR target/25293
107         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
108         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
109         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
110         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
111         Set mode to SI, adjust constraints.
112         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
113         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
114         32-bit code.
115
116 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
117
118         * c-cppbuiltin.c (builtin_define_float_constants): Add
119         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
120         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
121         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
122         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
123         to "((double)%sL)" otherwise "%s".
124
125 2005-12-13  Paul Brook  <paul@codesourcery.com>
126
127         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
128         apcs/atpcs.
129
130 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
131
132         * tree-flow.h: Allow compilation with a C++ compiler.
133         (struct edge_prediction): Prefix all field names  with "ep_".
134         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
135         (tree_predict_edge, combine_predictions_for_bb): Likewise.
136         (remove_predictions_associated_with_edge): Likewise.
137         
138 2005-12-12  Jeff Law  <law@redhat.com>
139
140         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
141         reassociation code.
142         * passes.c (init_optimization_passes): Run reassociation again
143         after loop optimizations.
144
145 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
146
147         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
148         if necessary.
149         (optimize_stmt): Ditto.
150         (canonicalize_comparison): New function.
151         * tree-ssa-operands.c (swap_tree_operands): Make external.
152         (get_expr_operands): Stop auto-canonicalization.
153         * tree-ssa-reassoc.c: Rewrite.
154         (init_optimization_passes): 
155         * tree-flow.h (swap_tree_operands): Prototype.
156         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
157
158 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
159
160         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
161         indicate function epilogue has been output.
162         (pa_asm_output_mi_thunk): Likewise.
163         (output_deferred_plabels): Put plabels in readonly data section when
164         not generating PIC code.
165         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
166         information.  Add assert.
167         (som_output_comdat_data_section_asm_op): New function.
168         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
169         instead of output_section_asm_op for COMDAT sections.
170
171 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
172
173         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
174         Fix whitespace in vincinity of to-be-installed changes.
175         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
176         (insns_match_p): Likewise.
177
178 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
179
180         * config.gcc (ms1): Replace with ...
181         (mt): ... this.
182         * config/ms1: Rename to ...
183         * config/mt: ... here.  Rename ms1 files to mt.
184         * config/mt/mt.c: Adjust gt-mt.h #include.
185         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
186         (crti.o, crtn.o): Adjust file names.
187
188 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
189
190         * varray.h: Allow compilation with a C++ compiler.
191         (union varray_data_tag): Prefix all field names with "vdt_".
192         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
193         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
194         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
195         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
196         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
197         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
198         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
199         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
200         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
201         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
202         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
203         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
204         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
205         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
206         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
207         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
208         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
209         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
210         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
211         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
212         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
213         VARRAY_TOP_TREE_PTR): Likewise.
214         * varray.c (varray_grow): Likewise.
215         (varray_clear): Likewise.
216
217 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
218
219         PR target/25299
220         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
221         alignment to doubleword if the first field is a double array.
222         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
223
224 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
225
226         * tree-ssa-structalias.c (process_constraint): Remove code to
227         transform addressofs into scalar.
228         (create_variable_info_for): In whole-program IPA, globals don't
229         point to ANYTHING by default.
230
231 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
232
233         * timevar.def (TV_IPA_PTA): New.
234         * tree-pass.h (pass_ipa_pta): New
235         * tree-ssa-structalias.c: Include cgraph.h
236         (in_ipa_mode): New.
237         (predbitmap_obstack): New.
238         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
239         (struct constraint_stats): Add num_edges.
240         (new_var_info): Don't call bitmap_clear.
241         (struct constraint_edge): Update docs.
242         (new_constraint_edge): Remove src param.
243         (struct constraint_graph): Add zero_weight_succs,
244         zero_weight_preds.  Update docs.
245         (constraint_expr_equal): Reformat.
246         (constraint_edge_equal): Update for removal of src.
247         (constraint_edge_less): Ditto.
248         (constraint_edge_vec_find): Ditto.
249         (erase_graph_self_edge): Update for removal of src and and zero
250         weight bitmap.
251         (clear_edges_for_node): Ditto.
252         (add_graph_edge): Ditto.
253         (get_graph_weights): Ditto.
254         (allocate_graph_weights): Ditto.
255         (merge_graph_nodes): Ditto.
256         (int_add_graph_edge): Ditto.
257         (valid_graph_edge): Ditto.
258         (valid_weighted_graph_edge): Ditto.
259         (build_constraint_graph): Ditto.
260         (scc_visit): Ditto.
261         (collapse_nodes): Ditto.
262         (process_unification_queue): Ditto.
263         (topo_visit): Ditto.
264         (solve_graph): Ditto.
265         (do_structure_copy): Ditto.
266         (perform_var_substitution): Ditto.
267         Init and release obstack.
268         (handle_ptr_arith): Try to resolve directly.
269         (find_func_aliases): Don't call update_alias_info here
270         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
271         (do_sd_constraint): Add code for propagating faster.
272         Update.
273         (do_ds_constraint): Ditto.
274         (count_num_arguments): New function.
275         (create_function_info_for): Ditto.
276         (create_variable_info_for): Handle FUNCTION_DECL.
277         (intra_create_variable_infos): Use make_constraint_to_anything.
278         (init_alias_vars): Init obstacks here.
279         (need_to_solve): Handle zero weight graph changes.
280         (compute_points_to_sets): Call update_alias_info here.
281         (delete_points_to_sets): Free zero weight preds/succs here.
282         (gate_ipa_pta): New.
283         (ipa_pta_execute): New
284
285 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
286
287         * tree-ssa-structalias.c (var_anyoffset): Removed.
288         (anyoffset_tree): Ditto.
289         (anyoffset_id): Ditto.
290         (do_deref): Take vector of constraints, no return value.
291         Update to work on vector.                
292         (get_constraint_for): Ditto.
293         (get_constraint_for_component_ref): Ditto.
294         (do_structure_copy): Ditto.
295         (handle_ptr_arith): Ditto.
296         (find_func_aliases): Ditto.
297         (set_uids_in_ptset): Remove anyoffset handling.
298         (init_base_vars): Ditto.
299
300 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
301
302         PR c++/25010
303         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
304         DECL_EXTERNAL functions have no bodies.  Tidy.
305
306 2005-12-10  Andreas Schwab  <schwab@suse.de>
307
308         * except.c (switch_to_exception_section): Only define if
309         TARGET_UNWIND_INFO is not defined.
310
311 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
312
313         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
314         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
315
316 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
317
318         * output.h (init_section, fini_section): Delete.
319         * varasm.c (init_section, fini_section): Delete.
320         (init_varasm_once): Don't initialize them.
321         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
322         there are no corresponding varasm.c variables.
323
324 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
325
326         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
327         of EH_FRAME_SECTION_NAME into...
328         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
329         if it is still null.
330         * except.c (default_exception_section): Delete, moving most
331         of the code to...
332         (switch_to_exception_section): ...this new function.  Set
333         exception_section if it is still null, then switch to it.
334         (output_function_exception_table): Use switch_to_exception_section.
335         * varasm.c (exception_section, eh_frame_section): Update comments.
336         (get_section): Hoist use of SECTION_NAMED.
337         (init_varasm_once): Don't set exception_section and eh_frame_section.
338         * output.h (default_exception_section): Delete.
339         (default_eh_frame_section): Delete.
340
341 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
342
343         * config/bfin/bfin.c: Include "cgraph.h".
344         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
345         Return the reg that holds the pointer to the GOT.
346         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
347         doing stack checking.
348
349 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
350
351         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
352         recompute_tree_invarant_for_addr_expr.
353         Update uses everywhere.
354
355 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
356
357         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
358         (MULTILIB_DIRNAMES): Define.
359
360 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
361
362         PR target/25311
363         * config/s390/s390.c (struct s390_address): New field literal_pool.
364         (s390_decompose_address): Compute literal_pool field.  Do not 
365         assume register %r13 is always (and solely) used as pool base.
366         (s390_extra_constraint_str): Use literal_pool field.
367
368 2005-12-09  Thiemo Seufer  <ths@networkno.de>
369
370         * config/mips/mips.c (override_options): Don't allow too small
371         integers in FP registers.
372
373 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
374
375         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
376         targetm.binds_local_p to check for local function calls.
377
378 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
379
380         PR debug/24908
381         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
382         call_used_regs can't be used to save reg in another reg.
383
384 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
385             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
386
387         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
388         abort.
389         * except.c (output_ttype): Likewise.
390         * tree-object-size.c (collect_object_sizes_for): Likewise.
391         (check_for_plus_in_loops_1): Likewise.
392         (check_for_plus_in_loops): Likewise.
393         (compute_object_sizes): Use gcc_unreachable instead of abort.
394
395 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
396
397         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
398         (loop_end, loop_init, doloop_end): New insns.
399         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
400         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
401         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
402         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
403         * config/ms1/ms1.c: #include basic-block.h
404         (struct machine_function): Add has_loops field.
405         (ms1_add_loop): New.
406         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
407         (struct loop_info, struct loop_work): New.
408         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
409         (ms1_reorg_loops): New loop optimization.
410         (ms1_machine_reorg): Call it.
411         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
412
413 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
414
415         PR tree-optimization/25248
416         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
417         evolution_of_loop from the failed attempt.  Remove handling
418         of MULT_EXPR.
419
420 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
421
422         * tree.h (DECL_EXTERNAL): Clarify documentation.
423
424 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
425             Jakub Jelinek  <jakub@redhat.com>
426
427         PR target/25268
428         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
429         argument.  Don't drop outer ANDs.
430         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
431         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
432         prototype.
433         * config/s390/predicates.md (setmem_operand): Remove.
434         (shift_count_operand): Rename to...
435         (shift_count_or_setmem_operand): ... this.  Adjust
436         s390_decompose_shift_count caller.
437         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
438         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
439         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
440         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
441         rotl<mode>3_and, setmem_long_and): New insns.
442         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
443         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
444         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
445         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
446         of shift_count_operand.
447         (setmem_long): Use shift_count_or_setmem_operand instead of
448         setmem_operand.
449
450 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
451             Andreas Tobler  <a.tobler@schweiz.ch>
452
453         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
454         tr expression.
455
456 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
457
458         * expr.c (force_operand): Use convert_to_mode for conversions.
459
460 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
461
462         * reload.h (reg_equiv_invariant): Declare.
463         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
464         register also when reg_equiv_invariant[R] is set.
465
466 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
467             Andreas Tobler  <a.tobler@schweiz.ch>
468
469         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
470
471 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
472
473         * tree-ssa-pre.c (bitmap_set_and): New function.
474         (bitmap_set_and_compl): New function.
475         (bitmap_set_empty_p): New function.
476         (insert_extra_phis): New function.
477         (compute_avail): Use insert_extra_phis.
478
479 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
480
481         * config/s390/s390.c (s390_expand_atomic): New function.
482         Adjust comment of helper functions.
483         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
484         * config/s390/s390.md ("ATOMIC"): New code macro.
485         ("atomic"): Corresponding new code attribute.
486         ("sync_lock_test_and_set[hq]i", 
487         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
488
489 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
490
491         * config/s390/s390.c (s390_expand_mask_and_shift, 
492         struct alignment_context, init_alignment_context, 
493         s390_expand_cs_hqi): New.
494         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
495         * config/s390/s390.md ("sync_compare_and_swaphi",
496         "sync_compare_and_swapqi"): New pattern.
497
498 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
499
500         Fix PR tree-optimization/25291
501         * tree-ssa-operands.c (add_call_clobber_ops): Remove
502         redundant and crashing check.
503
504 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
505
506         PR target/25212
507         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
508         tests further when !strict && reload_in_progress.
509         (print_operand): Check that both operands of indexed address are regs.
510         (print_operand_address): Likewise.
511         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
512         (INT_REG_OK_FOR_BASE_P): Correct.
513
514 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
515
516         Preparation for PR rtl-optimization/20070 / part1
517         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
518         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
519         outgoing_edges_match.
520         (outgoing_edges_match): Use condjump_equiv_p.
521         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
522         into..
523         * struct-equiv.c: New file.
524         (death_notes_match_p) New function, broken out of insns_match_p.
525         * Makefile.in (OBJS-common): Add struct-equiv.o.
526         (struct-equiv.o): New target.
527
528 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
529
530         * coretypes.h: Revert previous change.
531         * config/darwin.h: Revert previous reversion.
532         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
533
534 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
535
536         * coretypes.h (section): Provide dummy definition for target files.
537         * config/darwin.h: Revert previous change.
538
539 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
540
541         * doc/sourcebuild.texi (all.build, install-normal): Remove.
542         * configure.ac: Remove all.build and install-normal from target_list
543         * configure: Regenerate.
544         * Makefile.in (install): Don't depend on install-normal.
545
546 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
547
548         * Makefile.in: Document the use of stamps.
549
550 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
551
552         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
553         * Makefile.in: Add code to compute some dependencies on s-gtype
554         automatically.  Remove the declaration of those dependencies.
555
556 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
557
558         * gcc/reload.c (push_secondary_reload): Fix typo:
559         s/insn_constraint/scratch_constraint/.
560
561 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
562
563         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
564
565 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
566
567         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
568         (alpha_elf_select_rtx_section): Return the selected section rather
569         than emitting assembly code.
570         (alpha_write_linkage): Emit a ".link" directive directly and then
571         set in_section to NULL.
572         (vms_asm_out_constructor): Use switch_to_section.
573         (vms_asm_out_destructor): Likewise.
574         (unicosmk_output_common): Set in_section to NULL instead of calling
575         the dummy common_section function.
576         (unicosmk_text_section): Delete in favor of...
577         (unicosmk_output_text_section_asm_op): ...this new function.
578         (unicosmk_data_section): Delete in favor of...
579         (unicosmk_output_data_section_asm_op): ...this new function.
580         (unicosmk_init_sections): New function.
581         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
582         (unicosmk_output_ssib): Set in_section to NULL instead of calling
583         the dummy ssib_section function.
584         (unicosmk_section_buf): Delete.
585         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
586         (unicosmk_data_section): Delete.
587         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
588         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
589         (SECTION_FUNCTION_TEMPLATE): Delete.
590         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
591         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
592         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
593         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
594         (TARGET_ASM_INIT_SECTIONS): Define.
595         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
596         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
597         (link_section, literals_section): Delete.
598         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
599         set in_section to NULL.
600
601         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
602         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
603         (COMMON_SECTION): Delete.
604         (TARGET_ASM_INIT_SECTIONS): Define.
605         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
606         the dummy common_section function.
607         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
608         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
609         between readonly_data_section and text_section to check whether
610         read-only data is being put in the text section.
611         (arm_output_function_epilogue): Use switch_to_section.
612         (arm_elf_asm_constructor): Likewise.
613         (thumb_call_via_reg): Replace call to in_text_section with
614         a comparison between in_section and text_section.
615         (arm_file_end): Use switch_to_section.
616         (aof_text_section): Delete in favor of...
617         (aof_output_text_section_asm_op): ...this new function.
618         (aof_data_section): Delete in favor of...
619         (aof_output_data_section_asm_op): ...this new function.
620         (aof_asm_init_sections): New function.
621         (zero_init_section): Moved from config/arm/aof.h.
622         (aof_dump_imports, aof_file_start): Use switch_to_section.
623         * config/arm/arm.h (thumb_call_via_label): Update comment.
624         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
625         (common_section): Delete.
626         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
627         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
628         global switch_to_section function instead of the old port-local one.
629         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
630         (SWITCH_TO_SECTION_FUNCTION): Delete.
631         (drectve_section): Redefine as a macro.
632         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
633         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
634         switch_to_section.
635
636         * config/avr/avr.c (progmem_section): New variable.
637         (avr_output_progmem_section_asm_op): New function.
638         (avr_asm_init_sections): New function.
639         (avr_output_addr_vec_elt): Use switch_to_section.
640         * config/avr/avr.h (progmem_section): Declare.
641         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
642         (READONLY_DATA_SECTION): Delete.
643         (TARGET_ASM_INIT_SECTIONS): Define.
644         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
645         * config/avr/avr-protos.h (progmem_section): Delete.
646
647         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
648
649         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
650         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
651
652         * config/darwin-sections.def: New file.
653         * config/darwin.c: Define all sections in darwin-sections.def.
654         (output_objc_section_asm_op, darwin_init_sections): New functions.
655         (machopic_output_indirection): Use switch_to_section.
656         (machopic_select_section): Return the selected section rather than
657         emitting assembly code.  Replace the static function table with
658         inline conditional expressions.  Update the tests of last_text_section
659         and move them into the FUNCTION_DECL block.
660         (machopic_select_rtx_section): Return the selected section rather than
661         emitting assembly code.
662         (machopic_asm_out_constructor, machopic_asm_out_destructor)
663         (darwin_file_end): Use switch_to_section.
664         * config/darwin.h: Use darwin-sections.def to declare sections.
665         (INIT_SECTION_ASM_OP): Remove empty definition.
666         (HAS_INIT_SECTION): Define this instead.
667         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
668         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
669         (TARGET_ASM_EH_FRAME_SECTION): Delete.
670         (TARGET_ASM_INIT_SECTIONS): Define.
671         * config/darwin-protos.h (darwin_init_sections): Declare.
672         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
673         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
674         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
675         (constructor_section, destructor_section, mod_init_section): Delete.
676         (mod_term_section): Delete.
677         (darwin_exception_section, darwin_eh_frame_section): Delete.
678         (machopic_select_section): Return a section.
679         (machopic_select_rtx_section): Likewise.
680         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
681         (const_section, const_coal_section, const_data_section): Delete.
682         (const_data_coal_section, data_coal_section, cstring_section): Delete.
683         (literal4_section, literal8_section, constructor_section): Delete.
684         (mod_init_section, mod_term_section, destructor_section): Delete.
685         (objc_class_section, objc_meta_class_section, objc_category_section)
686         (objc_class_vars_section, objc_instance_vars_section): Delete.
687         (objc_cls_meth_section, objc_inst_meth_section): Delete.
688         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
689         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
690         (objc_symbols_section, objc_module_info_section): Delete.
691         (objc_image_info_section, objc_protocol_section): Delete.
692         (objc_string_object_section, objc_constant_string_object_section)
693         (objc_class_names_section, objc_meth_var_names_section): Delete.
694         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
695         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
696         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
697         (darwin_exception_section, darwin_eh_frame_section): Delete.
698         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
699
700         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
701         (frv_asm_out_destructor): Likewise.
702         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
703         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
704         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
705         get_named_section.
706         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
707         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
708         (data_section): Delete.
709
710         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
711         (DRECTVE_SECTION_FUNCTION): Delete.
712         (drectve_section): Redefine as a macro that sets in_section after
713         emitting the directive.
714         (SWITCH_TO_SECTION_FUNCTION): Delete.
715         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
716         in_text_section with comparison between in_section and text_section.
717         * config/i386/i386.c (x86_64_elf_select_section): Return the section
718         rather than emitting assembly code.  Use get_named_section.
719         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
720         get_named_section.
721         (machopic_output_stub): Use switch_to_section.
722         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
723         (nwld_named_section_asm_out_destructor): Use get_section and
724         switch_to_section.
725
726         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
727         rather than emitting assembly code.
728         (ia64_rwreloc_select_section): Likewise.
729         (ia64_rwreloc_select_rtx_section): Likewise.
730         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
731         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
732         switch_to_section.
733         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
734         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
735
736         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
737         section rather than emitting assembly code.
738         (iq2000_select_section): Likewise.
739         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
740         (sbss_section): Delete.
741
742         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
743         and get_named_section.
744         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
745
746         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
747         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
748         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
749         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
750         in_section to NULL.
751         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
752         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
753         global switch_to_section function instead of the old port-local one.
754         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
755         (SWITCH_SECTION_FUNCTION): Delete.
756         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
757         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
758         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
759         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
760         in_section to NULL.
761         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
762         global switch_to_section function instead of the old port-local one.
763         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
764
765         * config/mips/mips.c (mips_file_start): Update comment.
766         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
767         (mips_output_aligned_decl_common): Use switch_to_section.
768         (mips_select_rtx_section): Return the section rather than emitting
769         assembly code.  Use get_named_section.
770         (mips_function_rodata_section: Likewise get_section.
771         (build_mips16_function_stub): Use switch_to_section.
772         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
773         (SDATA_SECTION_ASM_OP): Delete.
774         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
775         (EXTRA_SECTION_FUNCTIONS): Delete.
776
777         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
778         (mmix_asm_output_aligned_local): Use switch_to_section.
779
780         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
781         (som_one_only_readonly_data_section): New variables.
782         (pa_output_function_epilogue): Set in_section to NULL instead of
783         calling forget_section.
784         (output_deferred_plabels): Use select_section.
785         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
786         of calling forget_section.
787         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
788         (pa_asm_output_aligned_local): Use select_section.
789         (som_text_section_asm_op): Delete in favor of...
790         (som_output_text_section_asm_op): ...this new function.
791         (pa_som_asm_init_sections): New function.
792         (pa_select_section): Return the section rather than emitting
793         assembly code.
794         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
795         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
796         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
797         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
798         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
799         (som_readonly_data_section, som_one_only_readonly_data_section)
800         (som_one_only_data_section, forget_section): Delete.
801         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
802         (TARGET_ASM_INIT_SECTIONS): Define.
803         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
804
805         * config/rs6000/rs6000.c (read_only_data_section): New variable.
806         (private_data_section, read_only_private_data_section): New variables.
807         (sdata2_section, toc_section): New variables.
808         (rs6000_file_start): Use switch_to_section.
809         (rs6000_assemble_integer): Use comparisons against in_section
810         instead of calling in_toc_section and in_text_section.  Use
811         unlikely_text_section_p.
812         (rs6000_elf_output_toc_section_asm_op): New function, derived
813         from the old rs6000/sysv4.h toc_section function.
814         (rs6000_elf_asm_init_sections): New function.
815         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
816         the section rather than emitting assembly code.
817         (machopic_output_stub): Use switch_to_section.
818         (toc_section): Delete dummy function.
819         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
820         switch_to_section and get_section.
821         (rs6000_xcoff_output_readonly_section_asm_op): New function.
822         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
823         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
824         the old rs6000/xcoff.h toc_section function.
825         (rs6000_xcoff_asm_init_sections): New function.
826         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
827         the section rather than emitting assembly code.
828         (rs6000_xcoff_file_start): Use switch_to_section.
829         (rs6000_xcoff_file_end): Likewise.
830         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
831         (sdata2_section, sbss_section, private_data_section): Delete.
832         (read_only_data_section, read_only_private_data_section): Delete.
833         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
834         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
835         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
836         (FINI_SECTION_FUNCTION): Delete.
837         (TARGET_ASM_INIT_SECTIONS): Define.
838         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
839         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
840         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
841         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
842         (READONLY_DATA_SECTION): Delete.
843         (TARGET_ASM_INIT_SECTIONS): Define.
844         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
845         to NULL rather than no_section.
846         (TARGET_ASM_EXCEPTION_SECTION): Delete.
847
848         * config/sh/sh.c (sh_file_start): Use switch_to_section.
849
850         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
851         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
852         from call to current_function_section.
853
854         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
855         (bss100_section): New variable.
856         (xstormy16_asm_output_aligned_common): Use switch_to_section.
857         (xstormy16_asm_init_sections): New function.
858         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
859         switch_to_section and get_section.
860         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
861         from calls to current_function_section.
862         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
863         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
864         (TARGET_ASM_INIT_SECTIONS): Define.
865         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
866
867         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
868         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
869         (FINI_SECTION_FUNCTION): Delete.
870
871         * config/v850/v850.c: Include gt-v850.h.
872         (rosdata_section, rozdata_section, tdata_section, zdata_section)
873         (zbss_section): New variables.
874         (v850_output_aligned_bss): Use switch_to_section.
875         (v850_asm_init_sections): New function.
876         (v850_select_section): Return the section rather than emitting
877         assembly code.
878         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
879         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
880         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
881         (TARGET_ASM_INIT_SECTIONS): Define.
882         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
883         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
884         (zbss_section): Delete.
885
886         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
887
888         * config/vx-common.h (vxworks_exception_section): Delete.
889         (TARGET_ASM_EXCEPTION_SECTION): Delete.
890
891         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
892         section rather than emitting assembly code.
893         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
894         switch_to_section.
895
896         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
897         * coretypes.h (section): New union and typedef.
898         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
899         from call to current_function_section.
900         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
901         (dbxout_symbol_location): Use switch_to_section.
902         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
903         most of the code into...
904         (default_eh_frame_section): ...here.  Return a section.
905         (collect2_eh_frame_section): Delete, moving most of the code into..
906         (switch_to_eh_frame_section): ...this new function.
907         (debug_info_section, debug_abbrev_section, debug_aranges_section)
908         (debug_macinfo_section, debug_line_section, debug_loc_section)
909         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
910         variables.
911         (output_call_frame_info): Call switch_to_eh_frame_section instead of
912         eh_frame_section.  Use switch_to_section and get_section.
913         (dwarf2out_begin_prologue): Use switch_to_section.
914         (AT_string_form): Check the flags in debug_str_section instead of
915         DEBUG_STR_SECTION_FLAGS.
916         (output_comp_unit): Use switch_to_section, get_section, and
917         debug_info_section.
918         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
919         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
920         from call to current_function_section.
921         (dwarf2out_var_location): Use unlikely_text_section_p.
922         (dwarf2out_source_line): Use switch_to_section.  Remove argument
923         from call to current_function_section.
924         (dwarf2out_start_source_file, dwarf2out_end_source_file)
925         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
926         debug_macinfo_section.
927         (dwarf2out_init): Initialize the new section variables.  Use them
928         instead of calls to named_section_flags.  Use switch_to_section.
929         (output_indirect_string): Use switch_to_section and debug_str_section.
930         (dwarf2out_finish): Use switch_to_section and the new section
931         variables.
932         * except.c (default_exception_section): Return the section instead
933         of emitting assembly code.
934         (output_function_exception_table): Use the global exception_section
935         variable instead of the target hook.  Use switch_to_section.  Remove
936         argument from call to current_function_section.
937         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
938         (shorten_branches): Use pointer comparisons to detect whether the
939         text section is the same as readonly_data_section.
940         (profile_function): Use switch_to_section.  Remove argument from
941         call to current_function_section.
942         (final_scan_insn): Likewise.  Update use of last_text_section.
943         * gengtype.c (open_base_files): Add an include of output.h.
944         * output.h (text_section, data_section, readonly_data_section)
945         (ctors_section, dtors_section, bss_section, init_section)
946         (fini_section, sdata_section): Turn into section pointers.
947         (in_text_section, in_unlikely_text_section, exports_section)
948         (drectve_section, named_section, mergeable_string_section)
949         (last_text_section_name): Delete.
950         (default_exception_section, default_eh_frame_section): Return sections.
951         (SECTION_DECLARED, SECTION_NAMED): New macros.
952         (SECTION_MACH_DEP): Bump value.
953         (section_common, named_section, unnamed_section): New structures.
954         (unnamed_section_callback): New typedef.
955         (section): New union.
956         (sbss_section, exception_section, eh_frame_section): New variables.
957         (in_section, last_text_section): Turn into section pointers.
958         (get_unnamed_section, get_section, get_named_section): New functions.
959         (mergeable_constant_section, function_section): Return a section.
960         (unlikely_text_section): Likewise.
961         (current_function_section): Likewise.  Remove the decl argument.
962         (unlikely_text_section_p, switch_to_section): New functions.
963         (output_section_asm_op): New function.
964         (set_named_section_flags, named_section_flags, named_section_real)
965         (named_section_first_declaration): Delete.
966         (default_select_section, default_elf_select_section): Return a section.
967         (default_elf_select_section_1, default_function_rodata_section)
968         (default_no_function_rodata_section, default_select_rtx_section)
969         (default_elf_select_rtx_section): Likewise.
970         * rtl.h (in_data_section): Delete.
971         * sdbout.c (sdbout_one_type): Use switch_to_section.
972         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
973         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
974         (TARGET_ASM_EH_FRAME_SECTION): Poison.
975         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
976         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
977         (TARGET_ASM_OUT): Update after above changes.
978         * target.h (init_sections): New hook.
979         (exception_section, eh_frame_section): Delete.
980         (select_section, select_rtx_section, function_rodata_section): Return
981         a section rather than emitting assembly code.
982         * varasm.c (text_section, data_section, readonly_data_section)
983         (ctors_section, dtors_section, bss_section, init_section)
984         (fini_section): Turn into section pointers.
985         (sdata_section, sbss_section, exception_section): New variables.
986         (eh_frame_section): New variable.
987         (in_section): Make global and turn into a section pointer.
988         (last_text_section): Turn into a section pointer.
989         (unnamed_sections): New variable.
990         (in_named_name, last_text_section_name): Delete.
991         (EXTRA_SECTION_FUNCTIONS): Delete.
992         (in_named_entry): Delete.
993         (section_htab): New variable, replacing...
994         (in_named_htab): ...this deleted variable.
995         (section_entry_eq, section_entry_hash): New functions, based on...
996         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
997         (get_unnamed_section, get_section): New functions.
998         (unlikely_text_section): Return a section instead of emitting
999         assembly code.
1000         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1001         (get_named_section_flags, named_section_first_declaration): Delete.
1002         (unlikely_text_section_p): New function.
1003         (named_section_real, named_section): Delete.
1004         (get_named_section): New function.
1005         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1006         (function_section): Return a section rather than emitting
1007         assembly code.
1008         (current_function_section): Likewise.  Remove argument.  Use
1009         last_text_section if nonnull, otherwise use function_section.
1010         (default_function_rodata_section): Return a section rather than
1011         emitting assembly code.  Use get_section.
1012         (default_no_function_rodata_section): Return a section rather than
1013         emitting assembly code.
1014         (variable_section): Use switch_to_section and get_named_section.
1015         (mergeable_string_section): Return a section rather than emitting
1016         assembly code.  Use get_section.  Make static.  Don't take special
1017         countermeasures for empty strings.
1018         (mergeable_constant_section): Return a section rather than emitting
1019         assembly code.  Use get_section.
1020         (default_named_section_asm_out_destructor): Use switch_to_section
1021         and get_section.
1022         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1023         (default_named_section_asm_out_constructor): Use switch_to_section
1024         and get_section.
1025         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1026         (assemble_start_function): Likewise.  Set last_text_section to
1027         NULL rather than no_section.  Change the type of save_section.
1028         (assemble_zeros, assemble_variable): Use the section flags to detect
1029         whether or not a section is text.
1030         (assemble_static_space): Use switch_to_section.
1031         (assemble_trampoline_template): Likewise.
1032         (output_constant_def_contents): Use switch_to_section and
1033         get_named_section.
1034         (output_constant_pool_1): Use switch_to_section.  Use the section
1035         flags to see whether sections contain mergeable data.
1036         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1037         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1038         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1039         whether a section has already been declared.
1040         (default_select_section, default_elf_select_section): Return a
1041         section rather than emitting assembly code.
1042         (default_elf_select_section_1): Likewise.  Use bss_section for
1043         SECCAT_BSS if nonnull.  Use get_named_section.
1044         (default_select_rtx_section): Return a section rather than
1045         emitting assembly code.
1046         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1047         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1048         (output_section_asm_op, switch_to_section): New functions.
1049         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1050         get_named_section.
1051
1052         * doc/tm.texi: Expand the introduction to the sections documentation.
1053         (TRAMPOLINE_SECTION): Document new interface.
1054         (SDATA_SECTION_ASM_OP): Document new macro.
1055         (READONLY_DATA_SECTION): Delete.
1056         (SDATA_SECTION_ASM_OP): Document new macro.
1057         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1058         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1059         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1060         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1061         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1062
1063 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1064
1065         * gcc.c (init_gcc_specs): Match braces inside conditionally
1066         compiled strings.
1067
1068 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1069
1070         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1071
1072 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1073
1074         PR C++/24138
1075         * tree.c (integer_all_onesp): Always return true if all bits on.
1076
1077         * testsuite/g++.dg/init/array0.C: New.
1078
1079 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1080
1081         * doc/md.texi: Adapt to implementation.
1082
1083 2005-12-06  Andreas Schwab  <schwab@suse.de>
1084
1085         * opts.c (decode_options): Fix typo in message.
1086
1087 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1088
1089         PR other/13873
1090         * longlong.h: Merge PPC tests from upstream.
1091
1092 2005-12-06  Richard Guenther  <rguenther@suse.de>
1093
1094         * fold-const.c (fold_convert): Do not build and fold
1095         CONVERT_EXPR, but always use NOP_EXPR.
1096
1097 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1098
1099         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1100         __builtin_ia32_paddq and __builtin_ia32_subq.
1101         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1102         __builtin_ia32_pshufw.
1103         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1104
1105 2005-12-05  James E Wilson  <wilson@specifix.com>
1106
1107         PR target/24934
1108         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1109         is set.
1110
1111 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1112         
1113         * print-tree.c (print_node): Ditto.
1114         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1115         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1116         before accessing DECL_ARTIFICIAL. 
1117         Handle new tag tree codes.
1118         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1119         changes.
1120         (unmodifiable_var_p): Ditto.
1121         * tree-flow.h (mem_tag_kind): Remove.
1122         (struct var_ann_d): Remove mem_tag_kind member.
1123         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1124         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1125         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1126         (group_aliases): Ditto.
1127         (setup_pointers_and_addressables): Ditto.
1128         (is_escape_site): Ditto.                                          
1129         (may_alias_p): Ditto.
1130         (create_tag_raw): New function.
1131         (create_memory_tag): Use it.
1132         (dump_alias_info): Update for tags.
1133         (may_be_aliased): Ditto.
1134         (add_type_alias): Ditto.
1135         (new_type_alias): Ditto.
1136         (create_sft): Ditto.
1137         (create_structure_vars): Ditto.
1138         * tree-ssa-ccp.c (get_default_value): Ditto.
1139         * tree-ssa-operands.c (get_expr_operands): Ditto.
1140         (add_stmt_operand): Ditto.
1141         (add_call_clobber_ops): Remove duplicated condition.
1142         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1143         tags.
1144         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1145         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1146         * tree.c (init_ttree): Update structures for new tree codes.
1147         (tree_code_size): Update sizes for new tree codes.
1148         (make_node_stat): Don't try to set common things on minimal
1149         structures.
1150         (tree_node_structure): Update for tags.
1151         (is_global_var): Ditto.
1152         * tree.def: Add new tree codes.
1153         * tree.h (MTAG_P): New macro.
1154         (TREE_MEMORY_TAG_CHECK): Ditto.
1155         (SSA_VAR_P): Update for tags.
1156         (struct tree_memory_tag): New structure.
1157         (MTAG_GLOBAL): New macro.
1158         (union tree_node): Add memory tag member.
1159         * treestruct.def (TS_MEMORY_TAG): New.
1160         
1161 2005-12-05  Dale Johannesen  <dalej@apple.com>
1162
1163         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1164         what was approved (PR 24323).
1165
1166 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1167
1168         * doc/c-tree.texi (Function Bodies): Remove description of
1169         RETURN_INIT.
1170
1171 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1172
1173         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1174         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1175         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1176         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1177         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1178         __divxc3): Document.
1179
1180 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1181
1182         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1183         previous behaviour.
1184         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1185         hook_bool_void_false.
1186         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1187         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1188
1189         * config/darwin.c (machopic_select_section): It's not defined
1190         as weak if it's only marked as weak_import.
1191         
1192         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1193         Prototype.
1194
1195         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1196         A hidden weak object does bind locally.  Strong linkonce data
1197         counts like any other strong symbol for binding.
1198         (weak_finish_1): Don't specially handle weakrefs, they no longer
1199         arrive here.
1200         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1201         * c-common.c (handle_alias_attribute): Allow static aliases
1202         of variables.
1203         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1204         * gthr-dce.h: Make weakrefs static.
1205         * gthr-tpf.h: Likewise.
1206         * gthr-solaris.h: Likewise.
1207         * gthr-posix.h: Likewise.
1208         * gthr-posix95.h: Likewise.
1209         * config/darwin.c (darwin_encode_section_info): static weakref
1210         variables are not necessarily defined in this translation unit.
1211         * doc/extend.texi (Function Attributes): Mention that an alias
1212         attribute creates a definition for the thing it's attached to.
1213         Change the documentation for weakref to say that the thing
1214         it's attached to must be static.
1215
1216         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1217         we don't go into an infinite loop.
1218
1219 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1220
1221         * config/rs6000/predicates.md (logical_const_operand): Split
1222         out of logical_operand.
1223         (logical_operand): Use it.
1224         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1225         logical_const_operand.
1226
1227 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1228
1229         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1230         and IX86_BUILTIN_CMPNESS.
1231         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1232         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1233         * config/i386/i386.md (movti_internal): Correct type attribute.
1234         Simplify mode attribute.
1235         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1236         Correct type attribute.
1237         (absxf2): Correct operator.
1238         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1239         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1240         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1241         mode attribute.
1242         (sse2_vmsqrtv2df2): Correct mode attribute.
1243
1244 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1245
1246         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1247         16 bits. Provide insn pattern for this case.
1248
1249 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1250
1251         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1252         result.
1253         (__popcountDI2): Likewise.
1254
1255 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1256
1257         PR target/25166
1258         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1259         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1260         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1261         functions.
1262
1263 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1264
1265         * c-typeck.c (null_pointer_constant_p): New function.
1266         (build_conditional_expr, build_c_cast, convert_for_assignment,
1267         build_binary_op): Use it.
1268
1269 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1270
1271         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1272         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1273         CONVERT_EXPR.
1274         (check_function_arguments_recurse): Allow both NOP_EXPR and
1275         CONVERT_EXPR but check conversions preserve precision.
1276         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1277         but check conversions preserve precision.
1278         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1279         default case.
1280
1281 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1282
1283         PR c/7776
1284         * common.opt (Wstring-literal-comparison): New command line option.
1285         * c-opts.c (c_common_handle_option): Set it with -Wall.
1286         * c-typeck.c (parser_build_binary_op): Issue warning if either
1287         operand of a comparison operator is a string literal, except for
1288         testing equality or inequality against NULL.
1289
1290         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1291
1292 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1293
1294         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1295         of building a NOP_EXPR.
1296         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1297         NOP_EXPR.
1298         * c-convert.c (convert): Use fold_convert instead of building
1299         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1300         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1301         #if 0 code.
1302         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1303         NOP_EXPR the same as CONVERT_EXPR.
1304         * c-typeck.c (build_function_call): Use fold_convert instead of
1305         building a NOP_EXPR directly.
1306         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1307
1308 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1309
1310         PR rtl-optimization/25197
1311         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1312         have a reg.
1313
1314 2005-12-02  Stuart Hastings  <stuart@apple.com>
1315
1316         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1317         warning.
1318
1319 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         * c-typeck.c (default_function_array_conversion,
1322         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1323         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1324         orig_op2.  Don't check them for NOP_EXPR.
1325         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1326         around integer zero.
1327
1328 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1329
1330         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1331         toc_save_offset, toc_size, lr_size.
1332         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1333         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1334         Adjust for removal of unused rs6000_stack_t fields.
1335         (debug_stack_info): Adjust.
1336         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1337         first, and don't bother checking for set/inc of lr on sibcalls.
1338         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1339
1340 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1341
1342         PR target/25199
1343         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1344         5 if operand 1 is not aligned.  Undo previous constraint change.
1345         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1346
1347 2005-12-02  Richard Guenther  <rguenther@suse.de>
1348
1349         * tree.h (build): Remove prototype.
1350         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1351         * tree.c (build): Remove.
1352         (build0_stat): Update comment.
1353
1354 2005-12-02  Richard Guenther  <rguenther@suse.de>
1355
1356         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1357         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1358         Likewise.
1359         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1360         maybe_fold_offset_to_component_ref): Likewise.
1361         * tree-ssa-dom.c (thread_across_edge,
1362         simplify_rhs_and_lookup_avail_expr,
1363         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1364         Likewise.
1365         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1366         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1367         lower_try_finally_switch): Likewise.
1368         * tree-if-conv.c (add_to_dst_predicate_list,
1369         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1370         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1371         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1372         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1373         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1374         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1375         gimplify_init_ctor_eval, gimplify_init_constructor,
1376         gimplify_variable_sized_compare, gimplify_boolean_expr,
1377         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1378         gimplify_expr, gimplify_body, gimplify_function_tree,
1379         force_gimple_operand): Likewise.
1380         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1381         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1382         mx_register_decls): Likewise.
1383         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1384         get_frame_field, finalize_nesting_tree_1): Likewise.
1385         * tree-inline.c (setup_one_parameter): Likewise.
1386         * tree-vect-transform.c (vectorizable_condition): Likewise.
1387         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1388         Likewise.
1389         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1390         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1391         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1392         * tree-chrec.h (build_polynomial_chrec): Likewise.
1393
1394 2005-12-02  Richard Guenther  <rguenther@suse.de>
1395
1396         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1397         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1398         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1399         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1400         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1401         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1402         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1403         Likewise.
1404         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1405         sh_adjust_unroll_max): Likewise.
1406         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1407         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1408         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1409         Likewise.
1410         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1411         Likewise.
1412         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1413         Likewise.
1414
1415 2005-12-02  Richard Guenther  <rguenther@suse.de>
1416
1417         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1418         simplify_cond_using_ranges): Use buildN instead of build.
1419         * tree-tailcall.c (adjust_accumulator_values,
1420         adjust_return_value): Likewise.
1421         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1422         generate_element_copy, generate_element_zero,
1423         generate_one_element_init): Likewise.
1424         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1425         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1426         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1427         perfect_nestify): Likewise.
1428
1429 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1430
1431         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1432
1433 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1434
1435         * ggc.h (GGC_RESIZEVEC): New.
1436
1437 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1438
1439         * gcc.c (execute): Improve readability.
1440
1441 2005-12-02  Richard Guenther  <rguenther@suse.de>
1442
1443         * tree-cfg.c (mark_used_vars): New function.
1444         (dump_function_to_file): Dump only used VAR_DECLs.
1445
1446 2005-12-02  Richard Guenther  <rguenther@suse.de>
1447
1448         * convert.c (convert_to_integer): Fix compare for nonpositive
1449         constant to use tree_int_cst_sgn <= 0.
1450
1451 2005-12-02  Richard Guenther  <rguenther@suse.de>
1452
1453         * convert.c (convert_to_integer): Use fold_convert instead
1454         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1455         instead of comparing against 0.  Use build_int_cst instead
1456         of converting integer_zero_node.
1457
1458 2005-12-02  Richard Guenther  <rguenther@suse.de>
1459
1460         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1461         and RROTATE_EXPR.
1462  
1463 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1464
1465         PR target/21017
1466         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1467         rotates.
1468
1469 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1470
1471         PR middle-end/25176
1472         * function.c (expand_function_end): Emit blockage for unwinder
1473         after return label.
1474
1475 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1476
1477         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1478         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1479         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1480         integer constant comparisons.
1481
1482 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1483             Janis Johnson  <janis187@us.ibm.com>
1484             David Edelsohn  <dje@watson.ibm.com>
1485             Ben Elliston  <bje@au.ibm.com>
1486
1487         * dfp.h, dfp.c: New files.
1488         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1489         (DECNUM_H): Likewise.
1490         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1491         (INCLUDES): Append $(DECNUMINC).
1492         (OBJS-common): Add dfp.o.
1493         (dfp.o): New rule.
1494         * real.h (EXP_BITS): Pinch one bit to ..
1495         (struct real_value): Add decimal field.
1496         (real_format): Change table size, update documentation.
1497         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1498         (real_from_string3): Declare.
1499         (decimal_single_format): Declare.
1500         (decimal_double_format): Declare.
1501         (decimal_quad_format): Declare.
1502         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1503         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1504         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1505         * real.c: Include dfp.h.
1506         (normalize): Early return for decimal floats.
1507         (do_add): Zero decimal field.
1508         (do_compare): Call do_decimal_compare for decimal floats.
1509         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1510         (real_arithmetic): Call decimal_real_arithmetic for decimal
1511         floating point operands.
1512         (real_identical): If a and b are of differing radix, return false.
1513         (real_to_integer): Call decimal_real_to_integer if the value is a
1514         decimal float.
1515         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1516         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1517         (real_to_hexadecimal): Place "N/A" in the return string for
1518         decimal float.
1519         (real_from_string3): New variant, given a mode.
1520         (real_maxval): Use decimal_real_maxval for decimal floats.
1521         (round_for_format): Use decimal_round_for_format for decimals.
1522         (real_convert): Use decimal_real_convert where appropriate.
1523         (significand_size): Handle base 10.
1524         (encode_decimal_single, decode_decimal_single,
1525         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1526         decode_decimal_quad): New functions.
1527         (decimal_single_format): New.
1528         (decimal_double_format): New.
1529         (decimal_quad_format): New.
1530         * machmode.def: Add SD, DD and TD decimal floating point modes.
1531         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1532         Include MODE_DECIMAL_FLOAT.
1533         (DECIMAL_FLOAT_MODE_P): New.
1534         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1535         * genmodes.c (struct mode_data): Add counter field.
1536         (struct mode_data): Update comment for format.
1537         (blank_mode): Initialise counter field.
1538         (new_mode): Increment counter field for each mode defined.
1539         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1540         using a format.
1541         (make_complex_modes): Handle modes containing `D'.
1542         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1543         (make_decimal_float_mode): New.
1544         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1545         (cmp_modes): Compare counter field if other characteristics
1546         similar.
1547         (emit_real_format_for_mode): Support formats for decimal floats.
1548         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1549         Document MODE_DECIMAL_FLOAT.
1550
1551 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1552
1553         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1554         Delete dead code.
1555
1556 2005-12-01  Richard Henderson  <rth@redhat.com>
1557
1558         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1559
1560 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1561
1562         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1563
1564         * config/pa/pa.c (pa_init_builtins): If we detect
1565         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1566         putc_unlocked.
1567
1568 2005-12-01  Richard Guenther  <rguenther@suse.de>
1569
1570         * fold-const.c (fold_binary): Use fold_build2, not
1571         fold (build (...)).
1572
1573 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1574
1575         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1576
1577         * vec.h (VEC_block_remove): New.
1578
1579 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1580
1581         PR c/13384
1582         * c-common.c (lvalue_error): Fix wording.
1583
1584 2005-12-01  Richard Guenther  <rguenther@suse.de>
1585
1586         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1587         thinko in last patch.
1588
1589 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1590
1591         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1592         than -flat_namespace.
1593
1594 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1595
1596         * mklibgcc.in: Parameterise the script to build soft float
1597         functions by iterating over each type, rather than cloning the
1598         code for each type.
1599
1600 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1601
1602         PR middle-end/25158
1603         * builtins.c (fold_builtin_fputs): Defer check for missing
1604         replacement functions.
1605
1606 2005-11-30  Kean Johnston  <jkj@sco.com>
1607
1608         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1609         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1610
1611 2005-11-30  Richard Guenther  <rguenther@suse.de>
1612
1613         PR tree-optimization/22501
1614         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1615         function split out from ...
1616         (forward_propagate_addr_expr): ... here.  Use it to propagate
1617         ADDR_EXPRs to all uses.
1618
1619 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1620
1621         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1622         * builtins.c (expand_builtin_mathfn): Use them.
1623         (expand_builtin_mathfn_2): Likewise.
1624         (expand_builtin_mathfn_3): Likewise.
1625         (expand_builtin_int_roundingfn): Likewise.
1626         (expand_builtin): Likewise.
1627         (integer_valued_real_p): Likewise.
1628         (fold_builtin_int_roundingfn): Likewise.
1629         (fold_builtin_bitop): Likewise.
1630         (fold_builtin_logarithm): Likewise.
1631         (fold_builtin_1): Likewise.
1632         * convert.c (convert_to_integer): Likewise.
1633         * fold-const.c (negate_mathfn_p): Likewise.
1634         (tree_expr_nonnegative_p): Likewise.
1635
1636 2005-11-30  Dale Johannesen  <dalej@apple.com>
1637             Andrew Pinski  <pinskia@physics.uc.edu>
1638
1639         * combine.c (find_split_point):  Sign extend bitmask
1640         when changing bitfield assignment to IOR of AND.
1641
1642 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1643
1644         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1645         clobber to scratch reg.
1646         (*decrement_and_branch_until_zero_no_clobber): Remove.
1647         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1648         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1649         * config/ms1/ms1.opt (mmul): Remove.
1650         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1651         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1652
1653 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1654             Bernd Schmidt  <bernd.schmidt@analog.com>
1655
1656         * pa/predicates.md (symbolic_operand): Add comment.
1657         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1658         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1659         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1660         (pa_secondary_reload_class): Delete.
1661         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1662         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1663         copy of symbolic operand.
1664         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1665
1666 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1667
1668         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1669         jump.
1670
1671 2005-11-30  Jeff Law  <law@redhat.com>
1672
1673         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1674         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1675
1676 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1677
1678         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1679         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1680         (ia64_expand_move): Adjust caller.
1681
1682         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1683         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1684         negate VAL.
1685
1686 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1687
1688         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1689         Always produce an output if we can remove NEGs or canonicalize
1690         (minus (minus ...)) expressions.  Provide a fast path for the
1691         two-operand case.
1692         (simplify_gen_binary): Do not call simplify_plus_minus.
1693         (simplify_binary_operation_1): Reassociate at the end of the
1694         function.
1695
1696 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1697
1698         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1699         moves and unpack to speed up.
1700
1701 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1702
1703         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1704         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1705         (gen_v9_scc): Update callers.
1706         * config/sparc/sparc.md: Likewise.
1707         * config/sparc/sparc-protos.h: Update extern declaration.
1708
1709         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1710
1711 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1712
1713         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1714         the if.
1715
1716 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1717
1718         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1719         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1720         (negate_expr): Here.
1721
1722 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1723
1724         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1725         Fix typo in comment.
1726
1727 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1728
1729         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1730         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1731
1732 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1733
1734         PR middle-end/20109
1735         PR middle-end/25120
1736         * builtins.c (init_target_chars): New.
1737         (expand_builtin_printf, expand_builtin_fprintf,
1738         expand_builtin_sprintf, fold_builtin_sprintf,
1739         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1740         fold_builtin_snprintf_chk, fold_builtin_printf,
1741         fold_builtin_fprintf): Check for matching format strings using
1742         the target charset.
1743
1744 2005-11-29  Paul Brook  <paul@codesourcery.com>
1745
1746         * config.gcc: Do not use fixproto on m68k-elf.
1747
1748 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1749
1750         * expmed.c (div_cost): Replace with...
1751         (sdiv_cost, udiv_cost): New.
1752         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1753         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1754         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1755         (expand_divmod): Replace use of div_cost with either sdiv_cost
1756         or udiv_cost depending upon the signedness of the operation.
1757
1758 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1759
1760         PR libfortran/24991
1761         * config/darwin.c (machopic_indirection_name,
1762         machopic_output_indirection): Follow transparent alias chain.
1763
1764 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1765
1766         * varasm.c (ultimate_transparent_alias_target): Add comment.
1767
1768 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1769
1770         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1771         SET_SRC instead of XEXP where appropriate.
1772
1773 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1774
1775         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1776         __builtin_expect.
1777
1778 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1779
1780         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1781         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1782         bit at a time.
1783
1784 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1785
1786         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1787         secondary_input_reload_class, made static.  Adapt to new
1788         infrastructure.
1789         (secondary_output_reload_class): Delete.
1790         (TARGET_SECONDARY_RELOAD): New macro.
1791         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1792         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1793
1794 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1795
1796         PR c++/21166
1797         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1798         when its natural alignment is > BITS_PER_UNIT.
1799         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1800         * c-common.c (handle_packed_attribute): Ignore packing on a field
1801         whose type is naturally char aligned.
1802
1803 2005-11-28  Richard Guenther  <rguenther@suse.de>
1804
1805         * c-common.c (strict_aliasing_warning): Handle all
1806         component-ref like accesses.
1807
1808 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1809             Uros Bizjak  <uros@kss-loka.si>
1810
1811         PR middle-end/20219
1812         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1813         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1814         when flag_unsafe_math_optimizations is set and
1815         we don't care about NaNs or Infinities.
1816
1817         Move x/expN(y) and x/pow(y,z) transformation into common
1818         flag_unsafe_math_optimizations section.
1819
1820 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1821
1822         * gcc.c (main): Change type of argv to "char **".
1823
1824 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1825
1826         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1827         small data sections.
1828         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1829         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1830         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1831         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1832         output locals to sbss if !rs6000_elf_in_small_data_p.
1833         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1834
1835 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1836
1837         PR target/24997
1838         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1839         generated by reload.
1840         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1841         indexed_or_indirect_address.
1842         (indexed_or_indirect_address): Don't test for base reg.  Call
1843         address_operand last.  Make it a special predicate.
1844
1845 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1846
1847         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1848
1849 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1850
1851         PR middle-end/24575
1852         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1853         is undefined.
1854         (negate_expr): Likewise.
1855
1856 2005-11-27  Andreas Schwab  <schwab@suse.de>
1857
1858         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1859         redundant parens.
1860
1861 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1862
1863         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1864         has EH predecessor edges.
1865
1866 2005-11-26  Eric Christopher  <echristo@apple.com>
1867
1868         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1869         register stalls by zero extending to the full register.
1870
1871 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1872
1873         * config/floatunsisf.c, config/floatunsidf.c,
1874         config/floatunsixf.c, config/floatunsitf.c: New files.
1875         * config/ia64/t-hpux: Add floatunsitf.c.
1876         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1877         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1878
1879 2005-11-26  Richard Henderson  <rth@redhat.com>
1880
1881         * c-lex.c (pragma_lex): Rename from c_lex.
1882         * c-pch.c: Update for pragma_lex rename.
1883         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1884         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1885         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1886         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1887         * doc/tm.texi: Likewise.
1888
1889 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1890
1891         PR middle-end/23669
1892         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1893         when overflow is undefined.
1894
1895 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1896
1897         * doc/md.texi (Insn Canonicalizations): Refer to the
1898         function commutative_operand_precedence for further rules.
1899
1900 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1901
1902         PR middle-end/21309
1903         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1904         is less than zero.  Limit mult_cost to a reasonable upper bound for
1905         the synthetic multiplication sequence.
1906
1907 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1908
1909         PR middle-end/25022
1910         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1911         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1912         Lookup the explicit replacement functions for any unlocked
1913         stdio builtin transformations.
1914
1915 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1916
1917         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1918         earlyclobber.
1919         * targhooks.c (default_secondary_reload): Don't require operand 2
1920         for an input reload to be earlyclobber.
1921
1922 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1923
1924         * fold-const.c (negate_mathfn_p): Fix comment and add support
1925         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1926         BUILT_IN_ATANH.
1927
1928 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1929
1930         PR middle-end/24998
1931         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1932         _Q_ulltoq for unsigned conversions from SImode and DImode to
1933         TFmode.
1934
1935 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1936
1937         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1938         (__floatundidf, __floatundisf): Likewise.
1939
1940 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1941
1942         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1943         (rs6000_override_options): Remove initialization of
1944         rs6000_sr_alias_set.
1945         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1946         (rs6000_emit_stack_tie): Same.
1947         (emit_frame_save): Same.
1948         (gen_frame_mem_offset): Same.
1949         (rs6000_emit_prologue): Same.
1950         (rs6000_emit_epilogue): Same.
1951
1952 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1953
1954         PR middle-end/24989
1955         * fold-const.c (fold_build): Convert bool_var != 1 and
1956         bool_var == 0 to !bool_var.
1957
1958 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1959
1960         PR middle-end/24990
1961         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1962         for C being INTEGER_CST.  Likewise for !=.
1963
1964 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1965
1966         PR middle-end/24998
1967         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1968         unsigned conversions from SImode to TFmode.
1969
1970 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1971
1972         * expr.c (expand_expr_real_1): Fix error in last change.
1973
1974 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1975
1976         * caller-save.c: (this_insn_sets): Move into:
1977         (save_call_clobbered_regs).
1978         (mark_set_regs): Get this_insn_sets from data.
1979
1980         (save_call_clobbered_regs): Take sets of the return value by
1981         sibcalls into account.
1982
1983 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1984         PR target/21623:
1985
1986         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1987         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1988         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1989         (memory_move_secondary_cost, init_reg_autoinc): Remove
1990         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1991         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1992         secondary_reload_class call.
1993         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1994         callers.
1995         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1996         (push_secondary_reload): Use secondary_reload target hook.
1997         (secondary_reload_class, scratch_reload_class): New functions.
1998         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1999         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2000         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2001         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2002         (secondary_reload_class, scratch_reload_class): Declare.
2003         * reload1.c: Include target.h.
2004         (reload_adjust_reg_for_temp): New function.
2005         (reload_adjust_reg_for_icode): Likewise.
2006         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2007         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2008         call.
2009         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2010         for inheritance.  Support case when both secondary & tertiary reloads
2011         are for intermediate registers.
2012         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2013         with secondary_reload_class call.  Support case when both secondary
2014         & tertiary reloads are for intermediate registers.
2015         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2016         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2017         * target.h (secondary_reload_info): New struct / typedef.
2018         (struct gcc_target): New member secondary_reload.
2019         * targhooks.c Include reload.h, optabs.h and recog.h.
2020         (default_secondary_reload): New function.
2021         * targhooks.h (default_secondary_reload): Declare.
2022         * doc/tm.texi: Document secondary_reload target hook.  Update
2023         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2024         * doc/md.texi: Likewise.
2025
2026         * sh-protos.h (sh_secondary_reload): Declare.
2027         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2028         (sh_secondary_reload): New function.
2029         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2030         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2031         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2032         (HAVE_SECONDARY_RELOADS): Define.
2033         * sh.md (reload_indf): Rename to:
2034         (reload_indf__frn).
2035         (reload_outdf): Rename to:
2036         (reload_outdf__RnFRm).
2037         (reload_insf): Rename to:
2038         (reload_insf__frn).
2039         (reload_insi): Rename to:
2040         (reload_insi__i_fpul).
2041
2042 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2043
2044         * configure.ac: Require at least texinfo 4.4.
2045         * configure: Regenerate.
2046
2047         * doc/install.texi (Tools/packages necessary for building GCC):
2048         Update required version of texinfo to at least 4.4.
2049         (Installing GCC: Building): Update required version of texinfo
2050         to at least 4.4.
2051         (Installing GCC: Final installation): Update required version
2052         of texi2dvi to at least 4.4.
2053         (Host/target specific installation notes for GCC): Update required
2054         version of texinfo to at least 4.4.
2055
2056 2005-11-24  Richard Guenther  <rguenther@suse.de>
2057         Dirk Mueller <dmueller@suse.de>
2058
2059         PR c++/14024
2060         * c-common.h (strict_aliasing_warning): Declare.
2061         * c-common.c (strict_aliasing_warning): New function,
2062         split out from ...
2063         * c-typeck.c (build_c_cast): ... here.
2064
2065 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2066
2067         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2068         to order operands.
2069         (swap_commutative_operands_with_target): New.
2070
2071 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2072
2073         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2074         also when doing PRE, rather than only for global CPROP.
2075
2076 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2077
2078         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2079         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2080         formatting.
2081         (expand_twoval_unop): Likewise.
2082         (widen_clz): Likewise.
2083         (expand_parity): Likewise.
2084         (expand_unop): Likewise.
2085         (emit_cmp_and_jmp_insn_1): Likewise.
2086         (prepare_float_lib_cmp): Likewise.
2087
2088 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2089
2090         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2091         Remove unused `class' variable.
2092
2093 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2094
2095         PR c++/21667
2096         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2097         C/C++ diagnostic function warn_array_subscript_with_type_char.
2098         * c-common.h (warn_array_subscript_with_type_char): Declare.
2099         * c-common.c (warn_array_subscript_with_type_char): Define.
2100
2101 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2102
2103         PR c/21668
2104         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2105         compiling at the intersection of C and C++.
2106
2107 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2108
2109         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2110         List @file in the option summary.  Include the libiberty
2111         documentation for @file.
2112         * gcc.c (main): Call expandargv.
2113         * Makefile.in (gcc-vers.texi): Define srcdir.
2114
2115 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2116
2117         * passes.c (init_optimization_passes): Document
2118         sequencing of passes.
2119
2120 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2121
2122         * config/m68k/predicates.md (pcrel_address, extend_operator,
2123         post_inc_operand, pre_dec_operand): Remove redundant
2124         conditionals.
2125         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2126         instead of abort.
2127         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2128
2129 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2130
2131         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2132
2133 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2134
2135         Preparatory work for PR target/21623:
2136         * alpha.c (secondary_reload_class): Rename to:
2137         (alpha_secondary_reload_class).
2138         * alpha.h, alpha-protos.h: Likewise.
2139         * mn10300.c (secondary_reload_class): Rename to:
2140         (mn10300_secondary_reload_class).
2141         * mn10300.h, mn10300-protos.h: Likewise.
2142         * pa.c (secondary_reload_class): Rename to:
2143         (pa_secondary_reload_class).
2144         * pa.h, pa-protos.h: Likewise.
2145         * rs6000.c (secondary_reload_class): Rename to:
2146         rs6000_secondary_reload_class.
2147         * rs6000.h, rs6000-protos.h: Likewise.
2148
2149 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2150
2151         PR middle-end/22561
2152         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2153
2154 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2155
2156         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2157         a mode_class.
2158         (prepare_cmp_insn): Likewise.
2159
2160 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2161
2162         PR target/23435
2163         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2164         if both operands[0] and operands[1] are memory.
2165
2166 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2167
2168         PR middle-end/23606
2169         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2170         COMPARISON_CLASS_P and an integral types create create a new
2171         expression with the new type and fold that.
2172
2173 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2174
2175         PR target/24988
2176         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2177         to SUBTARGET_OS_CPP_BUILTINS.
2178
2179 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2180
2181         * arm.c (emit_set_insn): New function.
2182         (arm_split_constant): Call it.
2183         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2184         (arm_legitimize_address): Likewise.  Use plus_constant.
2185         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2186         (thumb_expand_prologue): Likewise.
2187         (arm_gen_load_multiple): Use VOIDmode in SET.
2188         (arm_gen_store_multiple): Likewise.
2189         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2190         (emit_multi_reg_push): Likewise.
2191         (emit_sfm): Use plus_constant.
2192
2193 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2194
2195         PR target/24954
2196         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2197         typo last change.
2198
2199 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2200
2201         PR middle-end/24950
2202         * expmed.c (store_bit_field): Don't attempt to insv a field
2203         larger than the reg.
2204
2205 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2206
2207         PR target/24954
2208         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2209         explicit sign extension, not a (char) cast.
2210
2211 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2212
2213         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2214         GET_MODE_CLASS (x) == MODE_FLOAT.
2215         * config/i386/i386.c: Likewise.
2216         * config/rs6000/xcoff.h: Likewise.
2217         * config/rs6000/linux64.h: Likewise.
2218         * config/rs6000/rs6000.c: Likewise.
2219         * config/rs6000/rs6000.h: Likewise.
2220         * config/rs6000/predicates.md: Likewise.
2221         * config/rs6000/sysv4.h: Likewise.
2222
2223 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2224
2225         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2226         flag_pic is set.
2227
2228         * config/alpha/freebsd.h, config/alpha/linux.h,
2229         config/arm/linux-elf.h, config/bfin/bfin.h,
2230         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2231         config/i386/beos-elf.h, config/i386/gnu.h,
2232         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2233         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2234         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2235         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2236         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2237         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2238         config/sparc/linux.h, config/sparc/linux64.h,
2239         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2240
2241         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2242         are both defined when either flag -fpic or -fPIC are used.
2243
2244 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2245
2246         * config/fp-bit.c (clzusi): New function.
2247         (si_to_float, usi_to_float): Use it to compute proper shift.
2248         (usi_to_float): Preserve guard bits when shifting right.
2249         * libgcc-std.ver (GCC_4.2.0): New version.
2250         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2251         __floatundisf): New functions.
2252         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2253         __floatundisf): Declare.
2254         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2255         _floatundixf, and _floatunditf.
2256         * optabs.c (expand_float): If target does not define a pattern for
2257         signed or unsigned conversion, use an unsigned libcall instead of
2258         a signed one.
2259         (init_optabs): Initialize ufloat_optab.
2260
2261 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2262
2263         * config/rs6000/rs6000.opt (mmulhw): New option.
2264         * doc/invoke.texi (-mmulhw): Document.
2265         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2266         for 405 and 440.
2267         * config/rs6000/rs6000.md: Add half-word multiply and
2268         multiply-accumulate instructions for 405 and 440.
2269
2270 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2271
2272         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2273         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2274         default now includes a linker group which makes the RTEMS one nest.
2275
2276 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2277
2278         * cse.c (fold_rtx): Typo fix.
2279         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2280
2281 2005-11-21  Richard Henderson  <rth@redhat.com>
2282
2283         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2284         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2285
2286         * c-tree.h (lookup_name): Move declaration ...
2287         * c-common.h (lookup_name): ... here.
2288         * config/darwin-c.c: Include c-common.h.
2289         * config/t-darwin: Update dependencies.
2290
2291 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2292
2293         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2294         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2295         * genopinit.c (gen_insn): Likewise.
2296         * reload.c (find_equiv_reg): Likewise.
2297         * loop.c (load_mems): Likewise.
2298         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2299         * cse.c (find_comparison_args, fold_rtx): Likewise.
2300         * dwarf2out.c (add_const_value_attribute): Likewise.
2301         * expr.c (convert_move): Likewise.
2302         * recog.c (general_operand, register_operand): Likewise.
2303         * reg-stack.c (replace_reg): Likewise.
2304         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2305         * c-common.c (handle_vector_size_attribute): Likewise.
2306         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2307         (simplify_binary_operation_1): Likewise.
2308         (simplify_const_binary_operation): Likewise.
2309         (simplify_relational_operation): Likewise.
2310         (simplify_const_relational_operation): Likewise.
2311         (simplify_immed_subreg): Likewise.
2312         * emit-rtl.c (gen_lowpart_common): Likewise.
2313         * expmed.c (expand_mult): Likewise.
2314         * stor-layout.c (layout_type): Likewise.
2315
2316 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2317
2318         PR target/24951
2319         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2320         cst2 only for SPE vectors.
2321
2322 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2323
2324         PR target/24953
2325         * config/rs6000/predicates.md (vrsave_operation): Check
2326         UNSPEC_VOLATILE value.
2327
2328 2005-11-21  Jan Hubicka  <jh@suse.cz>
2329
2330         PR tree-optimization/24653
2331         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2332
2333 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2334
2335         * config/i386/predicates.md (ax_reg_operand): New predicate.
2336         (memory_displacement_only_operand): New predicate.
2337         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2338         operand is AX register and the other operand is memory operand
2339         with displacement only.
2340
2341 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2342
2343         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2344         if we don't care about NaNs or Infinities.
2345
2346 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2347
2348         PR rtl-optimization/24883
2349         * combine.c (combinable_i3pat): When checking whether the
2350         destination of i3 is used in i3, consider paradoxical subregs.
2351
2352 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2353
2354         PR middle-end/20583
2355         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2356
2357 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2358
2359         * combine.c (try_combine): Do not run subst on i1src and i2src in
2360         the case of generating a PARALLEL for a comparison.
2361
2362 2005-11-20  Richard Henderson  <rth@redhat.com>
2363
2364         PR 24931
2365         * tree-sra.c (struct sra_elt): Add all_no_warning.
2366         (struct sra_walk_fns) <use>: Add use_all argument.
2367         (sra_walk_expr): Pass it.
2368         (sra_walk_modify_expr): Likewise.
2369         (scalarize_ldst): Likewise.
2370         (scan_use): Update for new argument.
2371         (mark_no_warning): New.
2372         (scalarize_use): Use it.
2373
2374 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2375
2376         * expr.c (expand_expr_real): Use usmul_optab for widening
2377         signed * unsigned multiplies.
2378         * genopinit.c (optabs): Add usmul_widen_optab.
2379         * optabs.c (init_optabs): Likewise.
2380         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2381         (usmul_widen_optab): Define.
2382         * config/bfin/bfin.md (usmulhisi3): New pattern.
2383
2384         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2385
2386 2005-11-20  Graham Stott <btinternet.com>
2387
2388         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2389
2390 2005-11-20  Andreas Schwab  <schwab@suse.de>
2391
2392         PR target/24757
2393         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2394         insn.
2395
2396 2005-11-19  Richard Henderson  <rth@redhat.com>
2397
2398         PR tree-opt/24665
2399         * tree-gimple.c (is_gimple_id): Export.
2400         * tree-gimple.h (is_gimple_id): Declare.
2401         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2402         (get_default_value): Use it.
2403         (maybe_fold_stmt_indirect): Likewise.
2404
2405 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2406
2407         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2408         than VR1 or vice-versa.
2409
2410 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2411
2412         PR middle-end/24912
2413         PR middle-end/24750
2414         * reload.c (find_reloads_address_1): Mention dependency on
2415         gen_reload.
2416         * reload1.c (gen_reload): For IN with an unary operation, try
2417         moving inner expression to OUT if trivial SET is not valid.
2418         Confirm that the result is valid.  Move common code block into...
2419         (emit_insn_if_valid_for_reload): New function.
2420
2421 2005-11-19  Richard Guenther  <rguenther@suse.de>
2422
2423         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2424         ARRAY_REFs of constant strings.
2425
2426 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2427
2428         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2429         fatal format string.
2430
2431 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2432
2433         * combine.c (make_compound_operation): Swap operands of
2434         commutative operation if necessary before returning.
2435
2436 2005-11-19  Richard Guenther  <rguenther@suse.de>
2437
2438         PR middle-end/23294
2439         * fold-const.c (fold_plusminus_mult_expr): New function.
2440         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2441         cases, remove now unnecessary code.
2442
2443 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2444
2445         * gensupport.c (old_preds): Rename to std_preds, add special field.
2446         (struct old_pred_table): Rename to struct std_pred_table, add special
2447         field.
2448         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2449         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2450         (init_predicate_table): Adjust, and set along the way whether a
2451         predicate is special.
2452
2453 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2454
2455         * BASE-VER: Change to 4.2.0.
2456
2457 2005-11-18  James E Wilson  <wilson@specifix.com>
2458
2459         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2460         returning it.
2461
2462 2005-11-18  Mike Stump  <mrs@apple.com>
2463
2464         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2465         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2466         * c-decl.c (lookup_name_two) Remove.
2467         * c-tree.h (lookup_name_two): Remove.
2468         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2469         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2470         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2471         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2472
2473 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2474
2475         PR target/24914
2476         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2477         when not generating code to use that co-processor.
2478
2479 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2480
2481         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2482         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2483         these functions are now in tree-phinodes.c.
2484
2485 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2486
2487         * config/bfin/bfin.md (trap): New pattern.
2488
2489 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2490
2491         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2492         on types.
2493
2494         * expr.c (expand_expr_real): Don't call record_block_change unless
2495         ib_boundaries_block is non-null
2496
2497         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2498
2499         * fold-const.c (build_range_check): Use proper type for subtraction
2500         when merging lower bound.
2501
2502 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2503
2504         PR rtl-optimization/24497
2505         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2506         the copied insn.
2507
2508 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2509
2510         * tree-scalar-evolution.c (expression_expensive_p): New function.
2511         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2512
2513 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2514
2515         * config/bfin/crtlibid.s: New file.
2516
2517 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2518
2519         PR target/24348
2520         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2521         when not using sjlj exceptions.
2522         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2523         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2524         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2525         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2526         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2527         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2528         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2529         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2530         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2531         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2532         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2533         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2534         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2535         defines.
2536         * config/pa/hpux-unwind.h: New file.
2537
2538 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2539
2540         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2541         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2542         * varasm.c (do_assemble_alias): Adjust call.
2543         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2544         is defined.
2545         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2546
2547 2005-11-17  James E Wilson  <wilson@specifix.com>
2548
2549         * tree.def (FUNCTION_DECL): Correct typo in comment.
2550
2551 2005-11-17  Richard Henderson  <rth@redhat.com>
2552
2553         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2554         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2555         and DW_CFA_def_cfa_sf.
2556         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2557         (dbx_reg_number): Don't assert particular registers here.
2558         (based_loc_descr): ... do it here instead.  Fold in ...
2559         (eliminate_reg_to_offset): ... this function.
2560         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2561         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2562         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2563         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2564         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2565         (instantiate_virtual_regs): Likewise.
2566         * var-tracking.c (adjust_stack_reference): Likewise.
2567         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2568
2569 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2570
2571         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2572         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2573         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2574         crtlibid.o.
2575         ($(T)crtlibid.o): New rule.
2576
2577 2005-11-16  Richard Guenther  <rguenther@suse.de>
2578
2579         PR middle-end/24851
2580         * fold-const.c (extract_array_ref): Return byte offset
2581         in all cases.
2582         (fold_binary): Fold &x[a] CMP &x[b] to
2583         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2584         behavior.
2585
2586 2005-11-16  Richard Henderson  <rth@redhat.com>
2587
2588         PR middle-end/23497
2589         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2590         parts of an SSA_NAME.
2591
2592 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2593
2594         PR target/24861
2595         * arm.md (split for movsf with immediate): Restrict split to insns
2596         that set a general register.
2597
2598 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2599
2600         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2601         uw_update_context.
2602         * unwind-dw2.c (uw_advance_context): Likewise.
2603         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2604         _Unwind_SjLj_Unregister.
2605         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2606
2607 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2608
2609         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2610
2611 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2612
2613         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2614         langhook to get a DImode integer type.
2615
2616 2005-11-16  Richard Henderson  <rth@redhat.com>
2617             J"orn Rennecke <joern.rennecke@st.com>
2618             Ulrich Weigand  <uweigand@de.ibm.com>
2619
2620         PR rtl-opt/24160
2621         PR target/24621
2622         * reload1.c (reg_equiv_invariant): New.
2623         (reload): Allocate, initialize, and free it.
2624         (calculate_needs_all_insns): Check it when skipping equivalence
2625         setting insns.
2626         (alter_reg): Likewise.
2627         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2628         may_use_invariant argument; only use reg_equiv_invariant when true.
2629         (eliminate_regs): New.
2630         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2631         a context for which may_use_invariant may be true.
2632
2633 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2634
2635         * fold-const.c (const_binop): Don't constant fold the operation
2636         if the result has overflowed and flag_trapping_math.
2637         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2638
2639 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2640
2641         * config/arm/unwind-arm.c (abort): Add prototype here.
2642         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2643         (struct phase1_vrs): Add prev_sp.
2644         (unwind_phase2_forced): Save the original core registers instead of
2645         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2646         and set action flags accordingly.  Always set _US_END_OF_STACK when
2647         get_eit_entry fails.  Unwind before calling the stop function.
2648         (_Unwind_GetCFA): New function.
2649         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2650         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2651         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2652         just call unwind_phase2_forced.
2653         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2654         * config/arm/unwind-arm.h (abort): Remove prototype.
2655         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2656         prototypes.
2657         (_Unwind_GetCFA): New prototype.
2658         * config/arm/pr-support.c (abort): Add prototype here.
2659         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2660         forced unwinding.
2661         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2662         not schedule the prologue with non-call exceptions and EABI.
2663
2664 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2665
2666         * config/arm/unwind-arm.h: Reorder interface function declarations.
2667         (_URC_END_OF_STACK): New enumeration value.
2668         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2669         (struct _Unwind_Control_Block): Document reserved field use.
2670         (_Unwind_Stop_Fn): New typedef.
2671         (_Unwind_ForcedUnwind): Declare.
2672         (_Unwind_Resume_or_Rethrow): Declare.
2673         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2674         argument.  Adjust.
2675         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2676         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2677         (UCB_FORCED_STOP_ARG): New.
2678         (search_EIT_table): Update boundary condition checks.
2679         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2680         (unwind_phase2): Replace for with do..while.
2681         (unwind_phase2_forced): New.
2682         (__gnu_Unwind_RaiseException): Replace for with do..while.
2683         (__gnu_Unwind_ForcedUnwind): New.
2684         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2685         Use appropriate phase2 unwinder.
2686         (__gnu_Unwind_Resume_or_Rethrow): New.
2687         (__gnu_unwind_pr_common): Cope with forced unwinding.
2688
2689 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2690
2691         PR target/24772
2692         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2693
2694         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2695         roundsf2): Remove "s" from mnemonic.
2696
2697 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2698
2699         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2700         __PIC__ is defined.
2701         * config/bfin/crtn.s: Change epilogues to match.
2702         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2703         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2704         __PIC__ and __pic__.
2705
2706 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2707
2708         PR 24357
2709         * doc/invoke.texi: Distinguish between free and fixed form instead of
2710         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2711         languages.
2712         * gcc.c (default_compilers): Remove double entries, add entries for
2713         suffixes '.F90' and '.F95'.
2714
2715 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2716
2717         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2718         in the stack probing loop.
2719
2720 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2721
2722         * configure.ac: Use .machine power5 not power5x.
2723         * configure: Regenerate.
2724
2725 2005-11-15  Mike Stump  <mrs@apple.com>
2726
2727         * c-decl.c (lookup_name_two): Add.
2728         * c-tree.h (lookup_name_two): Likewise.
2729         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2730         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2731
2732 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2733
2734         PR rtl-optimization/23392
2735         * regrename.c (enum scan_actions) Add mark_access.
2736         (scan_actions_name): Ditto.
2737         (scan_rtx_reg): Handle mark_access.
2738         (scan_rtx_address): Do nothing for mark_access.
2739         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2740         and regs in REG_INC notes before closing chains for dead regs.
2741         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2742         opening chains for new writes.
2743
2744 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2745
2746         * c.opt (ffixed-line-length-none): New.
2747
2748 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2749
2750         * mklibgcc.in: Change contents of eh_dummy.c.
2751
2752 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2753
2754         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2755
2756 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2757
2758         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2759         of making syscalls.
2760         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2761
2762 2005-11-15  Jan Hubicka  <jh@suse.cz>
2763
2764         * invoke.texi (large-unit-insns): Document.
2765         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2766         * params.def (large-unit-insns): New param.
2767
2768 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2769
2770         PR target/24869
2771         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2772         special register for operand 3.  Reindent constraints to align
2773         them vertically.
2774
2775 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2776
2777         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2778         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2779         * configure.ac: Add test for FP rounding instructions.
2780         * configure: Regenerate.
2781         * config.in: Regenerate.
2782         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2783         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2784         features enabled.
2785         * config/rs6000/rs6000.opt (mfprnd): New.
2786         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2787         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2788         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2789         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2790         (TARGET_FPRND): New.
2791         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2792         UNSPEC_FRIZ): New.
2793         (btrunc<mode>2): New.
2794         (ceil<mode>2): New.
2795         (floor<mode>2): New.
2796         (round<mode>2): New.
2797
2798 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2799
2800         * gcc.c (version_compare_spec_function): Use fatal() rather than
2801         abort().
2802
2803         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2804         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2805         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2806         as empty.
2807         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2808         link in crt2.o.
2809
2810         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2811         on -mmacosx-version-min setting.
2812
2813 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2814
2815         PR 24840
2816         * tree-vrp.c (infer_value_range): Return false if STMT is a
2817         block terminator and its basic block has no successors.
2818
2819 2005-11-14  Mike Stump  <mrs@apple.com>
2820
2821         * config/i386/i386.c (override_options): -masm=intel isn't
2822         supported on darwin.
2823         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2824
2825 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2826
2827         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2828         vfork after including auto-host.h.
2829
2830 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2831
2832         PR rtl-optimization/22002
2833         * combine.c (distribute_notes): Detect cases where a reg dies
2834         two or more times in a bb, including on the insn we are combining,
2835         and place the death note on the correct range.
2836
2837 2005-11-14  Dale Johannesen  <dalej@apple.com>
2838
2839         * expmed.c (store_bit_field):  Add offset unconditionally for
2840         memory targets.
2841         (extract_bit_field):  Don't force extzv or extv operand into
2842         a register if field is too big.
2843
2844 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2845
2846         * config/arm/arm.c (pic_labelno): New.
2847         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2848         LABEL_REF.  Pass only the labelno to PIC insns.
2849         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2850         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2851         * arm.md (UNSPEC_PIC_LABEL): New constant.
2852         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2853         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2854         Use the correct label prefix.
2855
2856 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2857
2858         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2859         REQ_EQUIV note.
2860
2861 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2862
2863         * loop-invariant.c: Include tm_p.h.
2864         * Makefile.in: Updated.
2865
2866 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2867
2868         * pa.c (store_reg): Revise generation of frame notes in large frames.
2869         (set_reg_plus_d): Likewise.
2870
2871 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2872
2873         PR tree-optimization/24709
2874         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2875         loop check.
2876
2877 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2878
2879         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2880         and duplicate declaration of pthread_self.
2881
2882 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2883             Ian Lance Taylor  <ian@airs.com>
2884
2885         PR middle-end/24003
2886         * calls.c (expand_call): If TARGET is a MEM and some part of the
2887         argument area has been saved, force TARGET to a register.
2888
2889 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2890
2891         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2892         checking.
2893
2894 2005-11-13  Jason Merrill  <jason@redhat.com>
2895
2896         PR c++/22489
2897         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2898         lazily declared methods.
2899         (force_decl_die): Stop if forcing out the context already make a
2900         DIE for the decl.
2901         (force_type_die): Likewise.
2902
2903 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2904
2905         PR middle-end/24820
2906         * builtins.c (integer_valued_real_p): Add break in
2907         REAL_CST having TREE_OVERFLOW set.
2908
2909 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2910
2911         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2912         addressing modes during calculation of costs.
2913
2914 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2915
2916         * function.c (assign_stack_local_1): Restrict sanity check
2917         on frame size overflow to 32-bit and above platforms.
2918
2919 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2920
2921         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2922         * config/cris/cris.c: Include reload.h.
2923         (cris_initial_elimination_offset): New function.
2924         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2925         Prototype.
2926
2927 2005-11-12  Richard Guenther  <rguenther@suse.de>
2928
2929         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2930
2931 2005-11-12  Jan Hubicka  <jh@suse.cz>
2932
2933         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2934         to compare against 0 when possible.
2935
2936 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2937
2938         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2939         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2940         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2941         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2942         in the new order.
2943
2944 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2945
2946         * recog.c (constrain_operands) <case 'g'>: For a match, require
2947         that a non-register matches general_operand when strict >= 0.
2948
2949 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2950
2951         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2952         previous checkin.
2953
2954 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2955
2956         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2957         (memory_address_same): New.
2958         (dse_optimize_stmt): Call memory_address_same.
2959
2960 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2961
2962         PR middle-end/24750
2963         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2964         ZERO_EXTEND>: New cases.
2965
2966 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2967
2968         * longlong.h (__clz_tab): Always provide.
2969
2970 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2971
2972         PR 24265
2973         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2974         can be assigned to.
2975         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2976         before check_maybe_invariant.
2977         (move_invariant_reg): Use gen_move_insn instead of replacing
2978         SET_DEST with the temporary for the invariant.
2979         (move_loop_invariants): If checking is enabled, do internal
2980         consistency checks after completing the pass.
2981
2982 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2983
2984         PR 24644
2985         * common.opt (Wvolatile-register-var): New.
2986         * varasm.c (make_decl_rtl): Only emit warning when option
2987         specified.  Clarify warning message.
2988         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2989
2990         * doc/md.texi (copysign): Document standard named pattern.
2991
2992 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2993
2994         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2995         bytes when align is 2.
2996         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2997         by the first instruction of the loop.
2998
2999 2005-11-11  Jason Merrill  <jason@redhat.com>
3000
3001         PR c++/24686
3002         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3003         the cleanup list.
3004
3005 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3006
3007         PR rtl-optimization/22509
3008         * local-alloc.c (memref_used_between_p): Check whether a function call
3009         could not reference the memref.
3010
3011 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3012
3013         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3014         algorithm so as to choose the best, not the worst, alternative.
3015         Reset accumulated register class before processing next alternative.
3016
3017 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3018
3019         PR target/24445
3020         * calls.c (expand_call): Copy a return value to a plain register
3021         if needed.
3022
3023 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3024
3025         PR target/24778
3026         * varasm.c (assemble_name): Recompute name only for transparent
3027         aliases.
3028
3029 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3030
3031         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3032
3033 2005-11-04  Jeff Law  <law@redhat.com>
3034
3035         PR middle-end/23181
3036         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3037         perform reassociation if the parent statement will not die as
3038         a result of the optimization.
3039
3040 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3041
3042         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3043         delete_old_heap_vars.
3044         * tree-dfa.c (referenced_var_remove): Remove function.
3045         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3046         (delete_tree_ssa): Remove call to delete_old_heapvars.
3047         Add call to delete_alias_heapvars.
3048         * tree-flow.h (referenced_var_remove): Remove prototype
3049         (init_alias_heapvars): New prototype.
3050         (delete_alias_heapvars): Ditto.
3051         * Makefile.in (tree-ssa-structalias.o): Add
3052         gt-tree-ssa-structalias.o
3053         (GTFILES): Add tree-ssa-structalias.h and
3054         tree-ssa-structalias.c.
3055         (s-gtype): Add gt-tree-ssa-structalias.h.
3056         * tree-ssa-structalias.c (heapvars): Remove.
3057         (oldheapvars): Remove.
3058         (heapvar_for_stmt): New variable.
3059         (heapvar_lookup): New function.
3060         (heapvar_insert): Ditto.
3061         (get_constraint_for): See if we have an old heapvar
3062         to reuse.
3063         (init_alias_heapvars): New function.
3064         (delete_alias_heapvars): Ditto.
3065         Add include of gt-tree-ssa-structalias.h.
3066
3067 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3068
3069         PR middle-end/22127
3070         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3071
3072 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3073
3074         * tree.c (int_fits_type_p): Only look at the base type
3075         if it has the same precision as the original type.
3076
3077 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR other/4372
3080         * varasm.c (assemble_alias): Use %q+D in the error
3081         message instead of %J and %qD.
3082
3083 2005-11-10  Richard Guenther  <rguenther@suse.de>
3084
3085         * gcse.c (free_ldst_entry): Only free hashtable if
3086         it exists.
3087
3088 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3089
3090         * function.c (assign_stack_local_1): Issue an error message if
3091         the frame size overflows in the signed target arithmetics.
3092
3093 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3094
3095         * tree.c (build_qualified_type): Chain the new type to the original
3096         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3097         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3098         (build_pointer_type_for_mode): Only return unqualified types.
3099         (build_reference_type_for_mode): Likewise.
3100
3101 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3102
3103         * Makefile.in (gnucompare): Do comparison of all files using one of
3104         the chosen methods and only afterwards decide if just warning should
3105         be issued or comparison failure raised.
3106
3107 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3108
3109         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3110         (noce_try_abs): Negate if the comparison is reversed.
3111         Look only one instruction backwards for a REG_EQUAL note.
3112
3113 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3114
3115         PR other/4372
3116         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3117         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3118         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3119         and prefix all uses with __ghtrw.
3120
3121 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3122
3123         PR other/4372
3124         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3125         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3126         * c-common.c (handle_weakref_attribute): New.
3127         (c_common_attribute_table): Add weakref.
3128         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3129         in the assembler.
3130         * configure, config.in: Rebuilt.
3131         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3132         * doc/extend.texi: Document weakref attribute.
3133         * varasm.c (ultimate_transparent_alias_target): New
3134         (assemble_name): Use it.
3135         (weak_finish_1): Split out of...
3136         (weak_finish): ... and deal with weakrefs in...
3137         (weakref_targets): ... new list.
3138         (globalize_decl): Clean up weakref_targets.
3139         (do_assemble_alias): Handle weakrefs.
3140         (finish_aliases_1): Do not reject weakrefs to external symbols.
3141         (assemble_alias): Handle weakrefs.
3142
3143 2005-11-09  Richard Guenther  <rguenther@suse.de>
3144
3145         PR tree-optimization/24716
3146         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3147         t_bool to track results from follow_ssa_edge.
3148
3149 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3150
3151         * final.c (force_source_line): New global variable.
3152         (final_scan_insn): Set it to true instead of clearing last_filename.
3153         (notice_source_line): Return true if force_source_line is true,
3154         unless source info is absent.
3155
3156 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3157
3158         PR c/24644
3159         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3160         a linkage name for a variable if it a register variable.
3161         * c-decl.c (grokdeclarator): Global register variables
3162         should be set as PUBLIC.
3163
3164 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3165
3166         PR 24624
3167         * config/s390/s390.c (struct s390_frame_layout): New fields
3168         first_save_gpr_slot and last_save_gpr_slot.
3169         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3170         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3171         first_save_gpr and last_save_gpr with the _slot variants.
3172         (s390_register_info): Calculate first_save_gpr_slot and
3173         last_save_gpr_slot using regs_ever_live.
3174
3175 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3176
3177         PR 24623
3178         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3179         for a function containing a landing pad.
3180
3181 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3182
3183         PR 24034
3184         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3185         is live afterwards.
3186
3187 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3188
3189         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3190         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3191
3192 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3193
3194         Add ms2 support
3195         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3196         constants.
3197         (call,load,store): New insn types.
3198         (mem_access, branch_access): Adjust reservation conditions.
3199         (define_delay): Adjust condition.
3200         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3201         type.
3202         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3203         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3204         insn type.
3205         (call_internal, call_value_internal, return_internal,
3206         return_interrupt_internal, eh_return_internal, indirect_jump,
3207         tablejump): Set call insn type.
3208         (blockage, ei, di): Use appropriate unspec const.
3209         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3210         (ms1_get_attr_type): Adjust to give load & store types.
3211         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3212         backwards past a barrier.
3213         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3214         branch scheduling.
3215         (struct branch_info, struct label_info): New.
3216         (ms1_labels): New.
3217         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3218         (ms1_machine_reorg): New.
3219         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3220         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3221         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3222         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3223         (TARGET_MS2): New.
3224
3225 2005-11-09  Per Bothner  <per@bothner.com>
3226             Uros Bizjak  <uros@kss-loka.si>
3227
3228         PR c/24101
3229         * toplev.c (process_options): Initialize debug_hooks early
3230         in case lang_hooks.post_options ends up calling a debug_hook.
3231
3232 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3233
3234         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3235         DBX_REGISTER_NUMBER being contiguous.
3236
3237 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3238             Diego Novillo  <dnovillo@redhat.com>
3239
3240         PR 23046
3241         * tree-vrp.c (register_edge_assert_for): Do not register
3242         always-false predicates.
3243
3244 2005-11-08  Devang Patel <dpatel@apple.com>
3245
3246         PR tree-optimization/23115
3247         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3248         relation.
3249
3250 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3251
3252         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3253         -mcpu=440.
3254
3255 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3256
3257         Fix PR tree-optimization/23382
3258
3259         * tree-ssa-alias.c (compute_may_aliases): Call
3260         delete_old_heap_vars.
3261         * tree-dfa.c (referenced_var_remove): New function.
3262         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3263         * tree-flow.h (referenced_var_remove): Add prototype.
3264         (delete_old_heap_vars): Ditto.
3265         * tree-ssa-structalias.c (heapvars): New variable.
3266         (oldheapvars): Ditto.
3267         (get_constraint_for): Put heap vars on heapvars list.
3268         (delete_old_heap_vars): New function.
3269
3270 2005-11-08  Jason Merrill  <jason@redhat.com>
3271
3272         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3273
3274 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3275
3276         PR target/19340
3277         * reg-stack.c (reg_to_stack): Update register liveness also
3278         for flag_sched2_use_traces.
3279
3280 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3281
3282         PR target/23704
3283         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3284         override prior explicit -mno-powerpc-gfxopt.
3285
3286 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3287
3288         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3289         if the bitsize is zero.
3290         * doc/md.texi (Standard Pattern Names): Document it.
3291
3292         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3293         (TARGET_PASS_BY_REFERENCE): Likewise.
3294
3295 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3296
3297         PR rtl-optimization/24683
3298         * config/i386/i386.c (legitimize_pic_address): If constant operand
3299         to PLUS is too large, put it in a register.
3300
3301 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3302
3303         * configure.ac: Enable checking assembler dwarf2 support for bfin
3304         target.
3305         * configure: Regenerate.
3306
3307 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3308
3309         PR target/24230
3310
3311         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3312         gen_easy_vector_constant_add_self): Delete.
3313         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3314         New.
3315         (output_vec_const_move): Use gen_easy_altivec_constant.
3316         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3317         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3318         (easy_vector_constant_add_self): Rewritten.
3319         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3320         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3321         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3322         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3323         Macroize and adjust for the other changes.
3324
3325 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3326
3327         PR c/24599
3328
3329         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3330         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3331
3332 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3333
3334         PR rtl-optimization/23567
3335         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3336         (noce_process_if_block): Don't do any optimizations except
3337         if (cond) x = x; if !set_b and write into orig_x may trap
3338         or fault.  Remove the MEM_READONLY_P check.
3339
3340 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3341
3342         PR 24670
3343         * tree-vrp.c (fix_equivalence_set): New.
3344         (extract_range_from_assert): Call it.
3345
3346 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3347
3348         PR target/22432
3349         * combine.c (apply_distributive_law): Don't distribute across a
3350         vector mode subreg.
3351
3352 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3353
3354         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3355         config/ms1/ms1.h, config/rs6000/predicates.md,
3356         config/s390/s390.c, params.def, postreload-gcse.c,
3357         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3358         tree-vrp.c, tree.c: Fix comment typos.
3359         * doc/invoke.texi: Fix typos.
3360
3361 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3362
3363         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3364         for testing whether the data_dependence_relation contains distance
3365         vectors.  Iterate over all distance vectors of the ddr.
3366         * lambda.h: Define a vec of lambda_vector pointers.
3367         * tree-data-ref.c (dump_data_dependence_relation,
3368         dump_data_dependence_direction): Iterate over all distance and
3369         direction vectors of the ddr.
3370         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3371         DDR_DIST_VECTS.
3372         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3373         of distance/direction vectors instead of a single one.
3374         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3375         lambda_vectors with a vec of lambda_vectors.
3376         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3377         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3378         DDR_NUM_DIST_VECTS): New.
3379         * tree-loop-linear.c (gather_interchange_stats): Test for the
3380         existence of distance vectors only after having checked that there
3381         is a dependence.  Iterate over all distance vectors of the ddr.
3382         (linear_transform_loops): Use dump_data_dependence_relation.
3383         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3384         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3385         distance vectors of the ddr.
3386
3387 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3388
3389         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3390         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3391         IS_INTHANDLER; all callers changed.
3392         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3393         account.
3394         (do_link, do_unlink): New argument ALL; all callers changed.
3395         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3396         If function isn't leaf, save and restore all registers.
3397         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3398         exception handler.
3399
3400 2005-11-05  Jan Hubicka  <jh@suse.cz>
3401
3402         PR rtl-optimization/23490
3403         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3404         max-flow-memory-location): Document.
3405         * flow.c: Include params.h
3406         (MAX_MEM_SET_LIST_LEN): Kill.
3407         (add_to_mem_set_list): Use new param.
3408         * cse.c (cse_basic_block): Replace 1000 by new param.
3409         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3410         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3411         * predict.c (predict_loops): Use new param.
3412         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3413
3414         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3415         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3416         Do not hold memory returned by cgraph_node_name across other call.
3417
3418 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3419
3420         PR target/23424
3421         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3422         Disable.
3423
3424 2005-11-04  Jeff Law  <law@redhat.com>
3425
3426         PR/21883
3427         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3428         * tree-ssa-dom.c: Include params.h.
3429         (thread_across_edge): If there are too many statements in the
3430         target block, then do not thread through it.
3431         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3432         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3433
3434 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3435
3436         PR 24627
3437         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3438         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3439
3440 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3441
3442         PR/18595
3443         * tree-scalar-evolution.c (instantiate_parameters_1,
3444         instantiate_parameters, resolve_mixers): Compute the size of an
3445         expression to be instantiated and give up the instantiation if the
3446         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3447
3448 2005-11-04  Richard Guenther  <rguenther@suse.de>
3449
3450         * tree-flow.h (ref_contains_indirect_ref): Rename to
3451         array_ref_contains_indirect_ref.
3452         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3453         (array_ref_contains_indirect_ref): Make comment match the code
3454         and vice-versa.
3455         (ref_contains_array_ref): Likewise.
3456         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3457         ref_contains_indirect_ref.
3458         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3459         Rename calls to ref_contains_indirect_ref.
3460
3461 2005-11-04 Paul Brook  <paul@codesourcery.com>
3462
3463         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3464         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3465         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3466         * config/arm/arm.md: Use match_operand in peephole input templates
3467         and match_dup in peephole output templates.
3468
3469 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3470
3471         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3472         __aeabi_uidiv.
3473
3474 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3475             Daniel Jacobowitz  <dan@codesourcery.com>
3476
3477         * longlong.h (add_ssaaaa): Clobber condition code register
3478         in ARM version.
3479         (sub_ddmmss): Likewise.
3480         (umul_ppmm): Likewise.
3481
3482 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3483             Paul Brook  <paul@codesourcery.com>
3484             Phil Blundell  <pb@reciva.com>
3485
3486         * configure.ac: Add test for ARM TLS support.
3487         * configure: Regenerated.
3488         * config/arm/arm-protos.h (legitimize_tls_address)
3489         (arm_tls_referenced_p, tls_mentioned_p)
3490         (arm_output_addr_const_extra): New prototypes.
3491         (thumb_legitimize_pic_address): Delete.
3492         * config/arm/arm.c: Include "gt-arm.h".
3493         (enum tls_reloc): New.
3494         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3495         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3496         (arm_call_tls_get_addr, legitimize_tls_address)
3497         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3498         (arm_init_tls_builtins, arm_emit_tls_decoration)
3499         (arm_output_addr_const_extra): New functions.
3500         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3501         (TARGET_HAVE_TLS): Define.
3502         (target_thread_pointer): New.
3503         (arm_override_options): Handle -mtp=.
3504         (legitimize_pic_address): Ignore UNSPECs.
3505         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3506         relative symbols.
3507         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3508         (tls_get_addr_libfunc): New variable.
3509         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3510         (arm_init_builtins): Call arm_init_tls_builtins.
3511         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3512         (arm_encode_section_info): Call default_encode_section_info.
3513         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3514         (enum arm_tp_type): New.
3515         (target_thread_pointer): Add declaration.
3516         (LEGITIMATE_CONSTANT_P): Handle TLS.
3517         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3518         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3519         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3520         * config/arm/arm.md: Add UNSPEC_TLS.
3521         (movsi): Handle TLS.
3522         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3523         non-PIC.
3524         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3525         (load_tp_hard, load_tp_soft): New insns.
3526         * arm.opt: Add -mtp=.
3527         * doc/invoke.texi (ARM Options): Document -mtp.
3528
3529 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3530
3531         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3532         * config/arm/libunwind.S: Include "lib1funcs.asm".
3533         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3534         (LIB2ADDEH): Add libunwind.S.
3535         (LIB2ADDEHDEP): Add lib1funcs.asm.
3536         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3537
3538 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3539
3540         PR fortran/18452
3541         * gcc/c.opt: Add a -lang-fortran option.
3542         * gcc/c-opts.c: Add a lang_fortran flag.
3543         (c_common_init_options): Handling the -lang-fortran option.
3544         (c_common_handle_option): Add a case for Fortran options in
3545         preprocessing. Remove cases for -ffixed-form and
3546         -ffixed-line-length. Add a case for -lang-fortran.
3547
3548 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3549
3550         * config/rs6000/rs6000.c: Include params.h
3551         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3552         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3553         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3554         (UNSPEC_VPKUWSS): Delete.
3555         (altivec_vpkuhss): Delete.
3556         (altivec_vpkuwss): Delete.
3557         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3558         final condition.
3559         (neg_eq0<mode>): Remove final condition.
3560         (neg_eq<mode>): Remove condition and split-condition.
3561
3562 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3563
3564         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3565         Use associated print macros.
3566
3567 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3568
3569         PR c++/17964
3570         * diagnostic.c (diagnostic_set_info_translated): New function.
3571         (diagnostic_set_info): Use it.  Add comment.
3572         * diagnostic.h (diagnostic_set_info_translated): Declare.
3573
3574 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3575
3576         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3577         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3578         reference only if 'public' is true.
3579         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3580         emit the .hidden directive only if the indirect reference is public.
3581         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3582         Pass it to dw2_force_const_mem.
3583         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3584         * dwarf2out.c (output_cfi): Adjust calls to above function.
3585         (output_call_frame_info): Likewise.
3586         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3587         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3588
3589 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3590
3591         PR tree-optimization/24483
3592         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3593         field to elts if possible.
3594
3595 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3596
3597         PR middle-end/23155
3598         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3599         CONSTRUCTOR.
3600
3601 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3602
3603         Fix PR tree-optimization/24351
3604
3605         * tree-ssa-structalias.c (struct variable_info): Add
3606         collapsed_into.
3607         (get_varinfo_fc): New function to follow collapsing.
3608         (new_var_info): Set collapsed_to to NULL.
3609         (dump_constraint): Follow collapsing.
3610         (build_constraint_graph): Handle collapsing.
3611         (do_simple_structure_copy): Return false if something bad
3612         happened.
3613         (collapse_rest_of_var): New function.
3614         (do_structure_copy): Collapse if do_simple_structure_copy returns
3615         false.
3616
3617 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3618
3619         PR middle-end/24589
3620         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3621         expressions to a statement list instead of gimplifying them.
3622
3623 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3624
3625         PR rtl-optimization/23585
3626         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3627         that can't trap plus a constant integer, if the mode has zero size.
3628
3629 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3630
3631         PR target/24620
3632         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3633         as operand 2.
3634         ("*insv<mode>_reg_extimm"): Likewise.
3635
3636 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3637
3638         PR c/24329
3639         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3640         c_common_type_for_mode returns an unnamed type.
3641
3642 2005-11-02  Richard Henderson  <rth@redhat.com>
3643
3644         PR target/9350
3645         PR target/24374
3646         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3647         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3648         * function.c (assign_parms): Use calls.internal_arg_pointer.
3649         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3650         code.
3651         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3652         (TARGET_CALLS): Add it.
3653         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3654         * targhooks.c (default_internal_arg_pointer): New.
3655         * targhooks.h (default_internal_arg_pointer): Declare.
3656         * tree.h (dwarf2out_reg_save_reg): Declare.
3657         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3658         * config/i386/i386.c (dbx_register_map): Add return column.
3659         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3660         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3661         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3662         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3663         (ix86_save_reg): Save force_align_arg_pointer.
3664         (ix86_emit_save_regs): Make regno unsigned.
3665         (ix86_emit_save_regs_using_mov): Likewise.
3666         (ix86_expand_prologue): Handle force_align_arg_pointer.
3667         (ix86_expand_epilogue): Likewise.
3668         * config/i386/i386.h: (dbx_register_map): Update.
3669         (dbx64_register_map, svr4_dbx_register_map): Update.
3670         (struct machine_function): Add force_align_arg_pointer.
3671         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3672         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3673         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3674
3675 2005-11-02  Jan Hubicka  <jh@suse.cz>
3676
3677         PR target/23303
3678         * i386.md: Add peep2 for simplyfing array accesses.
3679
3680 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3681
3682         PR target/24615
3683         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3684         * config/s390/s390.c (s390_decompose_shift_count): New function.
3685         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3686         (print_shift_count_operand): Use s390_decompose_shift_count.
3687         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3688         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3689
3690 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3691
3692         PR target/24600
3693         * loop.c (loop_givs_rescan): Use force_operand to expand
3694         complex GIVs.
3695
3696 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3697
3698         PR 22429
3699         * fold-const.c (build_range_check): Use unsigned when signed
3700         overflow is undefined also.  If etype is subtype, make sure that
3701         the subtraction is in the supertype.
3702
3703 2005-11-02  Richard Henderson  <rth@redhat.com>
3704
3705         PR target/24178
3706         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3707         by MEM_ALIGN.
3708
3709 2005-11-01  Richard Henderson  <rth@redhat.com>
3710
3711         PR 21518
3712         * loop.c (scan_loop): Do not propagate computations to a hard
3713         register destination with SMALL_REGISTER_CLASSES.
3714
3715 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3716
3717         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3718         costs for MULT inside PLUS or MINUS.
3719
3720 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3721
3722         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3723         (TRAMPOLINE_SIZE): Round up to 60.
3724         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3725
3726 2005-10-31  James E. Wilson  <wilson@specifix.com>
3727
3728         PR debug/24444
3729         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3730         ifdef.  Put ifdefs around call in gen_subprogram_die.
3731         (compute_frame_pointer_to_cfa_displacement): Likewise.
3732         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3733         not defined.
3734
3735         PR rtl-optimization/17356
3736         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3737         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3738
3739 2005-10-31  Jan Hubicka  <jh@suse.cz>
3740
3741         PR middle-end/24093
3742         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3743
3744         PR target/20928
3745         * i386.c (legitimize_pic_address): Deal with large immediates.
3746
3747         PR profile/20815
3748         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3749         from symbol names while computing checkup.
3750
3751         PR profile/24487
3752         * predict.c (predict_loops): Do not estimate more than
3753         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3754         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3755
3756 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3757
3758         PR tree-optimization/19097
3759         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3760
3761 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3762
3763         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3764
3765 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3766
3767         PR middle-end/23492
3768         * tree-inline.c (setup_one_parameter): If the init_stmt
3769         is NULL, don't insert the statement.
3770
3771 2005-10-30  Jan Hubicka  <jh@suse.cz>
3772
3773         PR tree-optimization/24172
3774         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3775
3776 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3777
3778         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3779         constants for hosts with long != 32 bits.
3780
3781 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3782
3783         PR middle-end/24093
3784         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3785
3786 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3787
3788         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3789         (TARGET_MS1_16_002): New.
3790         (TARGET_MS1_16_003): New.
3791
3792         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3793         ("*decrement_and_branch_until_zero_no_clobber"): New.
3794         Add corresponding splitter for decrement_and_branch_until_zero
3795         instruction.
3796         Key all decrement_and_branch_until_zero patterns off of
3797         TARGET_MS1_16_003.
3798
3799 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3800
3801         PR middle-end/24362
3802         * tree-complex.c (extract_component): Treat RESULT_DECL
3803         like the rest of the decls.
3804
3805 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3806
3807         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3808         indirect call to _mcount if the function needs a static chain.
3809
3810 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3811             Caroline Tice  <ctice@apple.com>
3812
3813         PR rtl-optimization/24460
3814         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3815         (dwarf2out_switch_text_section): Set it to true instead of
3816         incrementing separate_line_info_table_in_use.
3817         (output_loc_list): Additionally test have_switched_text_sections.
3818         (output_ranges): Likewise.
3819         (dwarf2out_finish): Likewise.
3820         * varasm.c (assemble_start_function): Do not call
3821         insert_section_boundary_note.
3822         (assemble_end_function): If flag_reorder_blocks_and_partition,
3823         switch to the function's section before emitting the .size directive.
3824         * bb-reorder.c (insert_section_boundary_note): Staticify.
3825         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3826         * output.h (insert_section_boundary_note): Delete.
3827
3828 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3829
3830         PR c/23103
3831         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3832         instead of pointer equality when comparing types.
3833
3834 2005-10-24  James E. Wilson  <wilson@specifix.com>
3835
3836         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3837         add_dependence_list_and_free calls.
3838
3839 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3840
3841         * contrib.texi: Add the names of the LLNL folks who donated
3842         Cray pointer support for gfortran.
3843
3844 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3845
3846         PR tree-optimization/24225
3847         * profile.c (branch_prob): Look from end to start through a
3848         basic block when looking for a locus.
3849
3850 2005-10-24  Richard Henderson  <rth@redhat.com>
3851
3852         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3853         parallel.
3854         (hppa_expand_prologue): Likewise.
3855
3856 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3857
3858         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3859         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3860         * pa.h (NO_PROFILE_COUNTERS): Define.
3861         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3862         (funcdef_nos): New vector to hold label numbers of deferred profile
3863         counters.
3864         (output_deferred_profile_counters): New function.
3865         (hppa_profile_hook): Push label number onto funcdef_nos.
3866         (pa_hpux_file_end): Call output_deferred_profile_counters if
3867         NO_DEFERRED_PROFILE_COUNTERS is false.
3868
3869         * pa-protos.h (get_deferred_plabel): New prototype.
3870         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3871         Make global.
3872         (output_call): Adjust calls.
3873
3874 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3875
3876         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3877         peculiarity of GOT/TOC section usage.
3878
3879 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3880
3881         PR objc/24435
3882          * c-common.c (constant_string_class_name): Add documentation.
3883
3884 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3885
3886         PR target/23832
3887         * recog.c (peephole2_optimize): Increment peep2_current_count
3888         only when the slot is empty.
3889
3890 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3891
3892         PR ada/23957
3893         * except.c (output_function_exception_table): Call
3894         assemble_external_libcall if we need a personality function.
3895
3896 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3897
3898         PR rtl-optimization/24460
3899         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3900         set the basic block for barriers.
3901
3902 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3903
3904         * var-tracking.c (vt_initialize): Initialize post.
3905
3906 2005-10-21  Devang Patel  <dpatel@apple.com>
3907
3908         PR/24220
3909         * c-common.c (vector_types_convertible_p): Check vector element type.
3910
3911 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3912
3913         * config/sh/sh.c (prepare_move_operands): Handle the address
3914         constant which is a tls symbolic address plus a constant.
3915
3916 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3917
3918         PR driver/24473
3919         * gcc.c (main): Use the correct counter for erroring out
3920         about mulitple files.
3921
3922 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3923
3924         PR target/24465
3925         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3926         use r2 for 64-bit tls .got access.
3927
3928 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3929
3930         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3931         TRUTH_OR_EXPR.
3932
3933 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3934
3935         PR tree-optimization/24307
3936         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3937
3938 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3939
3940         PR middle-end/24295
3941         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3942         alias targets.
3943         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3944         is ready, stop marking functions, but still mark variables.
3945
3946 2005-10-20  Richard Guenther  <rguenther@suse.de>
3947
3948         PR c++/24439
3949         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3950         void type operands.
3951
3952 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3953
3954         PR rtl-optimization/23585
3955         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3956         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3957         (may_trap_p_1): New predicate extracted from...
3958         (may_trap_p): ... here.  Invoke may_trap_p_1.
3959         (may_trap_or_fault_p): New predicate.
3960         * rtl.h (may_trap_or_fault_p): Declare it.
3961         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3962         instead of may_trap_p.
3963         (steal_delay_list_from_fallthrough): Likewise.
3964         (fill_simple_delay_slots): Likewise.
3965         (fill_slots_from_thread): Likewise.
3966         * function.c (pad_to_arg_alignment): Rework comment about
3967         SPARC_STACK_BOUNDARY_HACK.
3968         * config/sparc/sparc.h: Likewise.
3969
3970 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3971
3972         * config/s390/s390.c (s390_expand_insv): New.
3973         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3974         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3975         ("icm_hi"): Remove mode attribute.
3976         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3977         Adjust all uses.
3978         ("*extracthi", "*extractqi"): Remove.
3979         (extv<mode>", "*extzv<mode>"): New.
3980         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3981         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3982
3983 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3984
3985         * cfgexpand.c (discover_nonconstant_array_refs_r,
3986         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3987         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3988         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3989         discover_nonconstant_array_refs.
3990
3991 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3992
3993         PR c/23228
3994         * c-decl.c (pop_scope): Don't warn about an unused variable
3995         if it is marked with TREE_NO_WARNING.
3996         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3997         somenow mismatch and olddecl is to be replaced.
3998
3999 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4000
4001         PR middle-end/23199
4002         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4003         whether registers live on the edge can be saved/restored.
4004
4005 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4006
4007         * config/sh/sh.c (fixup_mova): Skip notes.
4008
4009 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4010
4011         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4012         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4013         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4014         (s390_initial_elimination_offset): Likewise.
4015         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4016         register on TARGET_ZARCH targets.
4017         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4018         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4019         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4020         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4021
4022 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4023
4024         * config/s390/s390.md: Comment describing output modifiers updated.
4025         * config/s390/s390.c (print_operand): Likewise.
4026
4027 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4028
4029         * config/s390/s390.c (override_options): Added check for -mstack-size
4030         64k limitation.
4031         * doc/invoke.texi: Mention that limit in the documenation.
4032
4033 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4034
4035         PR #19672
4036         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4037
4038 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4039
4040         Fix PR tree-optimization/24231
4041
4042         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4043         (compute_avail): Ditto.
4044
4045 2005-10-18  Richard Henderson  <rth@redhat.com>
4046
4047         PR target/24428
4048         * config/i386/i386.c (legitimate_constant_p): Check
4049         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4050         if LABEL_REF.
4051         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4052         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4053         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4054         directly.
4055         (print_operand_address): Likewise.
4056         * config/i386/predicates.md (x86_64_immediate_operand): Test
4057         SYMBOL_REF_TLS_MODEL properly inside CONST.
4058         (x86_64_zext_immediate_operand): Likewise.
4059         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4060         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4061         * config/i386/i386-protos.h: Remove predicates.md entries.
4062
4063 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4064
4065         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4066         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4067
4068 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4069             Ian Lance Taylor <ian@airs.com>
4070
4071         PR middle-end/23522
4072         * fold-const.c (fold_widened_comparison): Do not allow range based
4073         constant folding when right operand cannot be unwidened.
4074
4075 2005-10-17  Richard Henderson  <rth@redhat.com>
4076
4077         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4078         with a memory clobber.
4079
4080 2005-10-17  James E Wilson  <wilson@specifix.com>
4081
4082         PR rtl-optimization/17356
4083         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4084         checking for EDGE_EH.
4085
4086 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4087
4088         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4089         the slot on an even boundary for any type with 16-byte alignment.
4090
4091 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4092
4093         PR target/23424
4094         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4095         after register allocation.
4096
4097 2005-10-17  DJ Delorie  <dj@redhat.com>
4098
4099         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4100         as frame related.
4101
4102 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4103
4104         PR c++/22551
4105         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4106         overflow flags.
4107
4108 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4109
4110         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4111         to 2 if it's already non-zero.
4112         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4113         is set and warn about it if flag_schedule_insns is 1.
4114
4115 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4116
4117         * config/crx/crx.md: Compare-and-branch instructions need to
4118         invalidate CC.
4119
4120 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4121
4122         PR target/24315
4123         * config/i386/i386.md (*pushdi2_rex64 splitter)
4124         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4125         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4126         flow2 pass only when (optimize > 0 && flag_peephole2).
4127
4128 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4129
4130         PR driver/22544
4131         * gcc.c (have_c): New static variable.
4132         (have_o): Likewise.
4133         (process_command): Remove declation of have_c.
4134         Set have_o to 1 when handling -o.
4135         (main): Add a fatel error if there are multiple
4136         files specified and -o and -c/-S is passed witout
4137         -combine or multiple languages.
4138
4139 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4140
4141         Fix PR tree-optimization/22444
4142         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4143         Assert that we don't hit something with subvars.
4144         (setup_pointers_and_addressables): Don't add things with subvars,
4145         because we'll already process the subvars for aliasing purposes.
4146
4147 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4148
4149         PR target/23424
4150         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4151         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4152         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4153         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4154         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4155         swapped, alternatives for the R constraint.
4156
4157         PR middle-end/24341
4158         * builtins.c (get_builtin_sync_mode): Make unlimited
4159         mode_for_size request.
4160
4161 2005-10-15  Richard Henderson  <rth@redhat.com>
4162
4163         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4164         (gimplify_expr): ... here.
4165         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4166         fb_lvalue in base expression.
4167
4168 2005-10-15  Richard Henderson  <rth@redhat.com>
4169
4170         PR 23714
4171         * builtins.c (expand_builtin_trap): Export.
4172         * expr.h (expand_builtin_trap): Declare.
4173         * expr.c (expand_assignment): Emit a trap for integral offsets
4174         from registers that weren't reduced to bitpos.
4175
4176         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4177         (mark_array_ref_addressable): Remove.
4178         * tree-flow.h (mark_array_ref_addressable): Remove.
4179         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4180
4181 2005-10-15  James E Wilson  <wilson@specifix.com>
4182
4183         PR target/24232
4184         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4185         (add_dependence_list_and_free): Likewise.
4186         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4187         call.
4188
4189 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4190
4191         PR 23141
4192         PR 23142
4193         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4194         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4195         anti-range.
4196         (vrp_visit_phi_node): Only prevent infinite iterations when
4197         the previous result and the new result are both VR_RANGEs.
4198
4199 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4200
4201         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4202         function comment.
4203
4204 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4205
4206         PR c/23439
4207         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4208         to initialize loc.
4209
4210 2005-10-14  Per Bothner  <per@bothner.com>
4211
4212         PR preprocessor/21250
4213         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4214
4215 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4216
4217         PR c++/22551
4218         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4219         overflow flags.  Refactor some conditionals.
4220
4221 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4222
4223         PR tree-opt/21304
4224         * tree-dfa.c (add_referenced_var): Only look at decls which
4225         have TREE_CONSTANT or TREE_READONLY set instead of if
4226         !TREE_PUBLIC or !TREE_CONSTANT.
4227
4228 2005-10-13  James E Wilson  <wilson@specifix.com>
4229
4230         * doc/invoke.texi: For -x, add f95-cpp-input.
4231         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4232
4233 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4234
4235         PR tree-optimization/24262
4236         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4237         in loop all the time.
4238
4239 2005-10-12  Richard Henderson  <rth@redhat.com>
4240
4241         PR c/24255
4242         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4243         * function.c (assign_parm_find_data_types): Don't support it.
4244         * print-tree.c (print_node): Likewise.
4245         * c-common.c (handle_transparent_union_attribute): Likewise.
4246         Use build_duplicate_type.
4247         * tree-inline.c (remap_type_1): Split out of remap_type;
4248         properly remap aggregate fields.
4249         (build_duplicate_type): New.
4250         * doc/extend.texi (Variable Attributes): Remove documentation
4251         for transparent_union.
4252
4253 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4254
4255         PR target/24284
4256         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4257         (gen_stack_pointer_dec): Likewise.
4258
4259 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4260
4261         PR middle-end/21275
4262         PR middle-end/21766
4263         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4264         target hook.
4265         (struct cxx): Add adjust_class_at_definition target hook.
4266         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4267         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4268         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4269         hook_void_tree. Add to TARGET_CXX.
4270         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4271         dllimport_flag.
4272         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4273         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4274         instead of attribute. Check for dllexport override.  Warn if
4275         inconsistent dll linkage. Don't lose old dllimport if decl has
4276         had address referenced.   Tweak lookup of dllimport atribute.
4277         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4278         for target specific rules.  Don't add dllimport attribute if
4279         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4280         dllimport attribute.
4281         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4282         * varasm.c (initializer_constant_valid_p): Replace
4283         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4284
4285         PR target/21801
4286         PR target/23589
4287         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4288         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4289         (i[34567]86-*-mingw32*): Likewise.
4290
4291         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4292         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4293
4294         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4295         C++-specific code. Change return value to bool.
4296         (i386_pe_dllimport_p): Likewise.
4297         (associated_type): Simplify and make language-independent
4298         (i386_pe_encode_section_info): Replace override of ambiguous
4299         dllimport symbol refs with a gcc_assert.
4300         (i386_pe_valid_dllimport_attribute_p): Define.
4301         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4302         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4303         i386_pe_adjust_class_at_definition.
4304         * config/i386/winnt-stubs.c: New file. Define stub versions of
4305         lang-specific functions.
4306         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4307         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4308         i386_pe_adjust_class_at_definition.
4309         (i386_pe_valid_dllimport_attribute_p): Declare.
4310         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4311         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4312         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4313
4314         PR target/19704
4315         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4316         dllimport attribute with test of DECL_DLLIMPORT_P.
4317
4318 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4319
4320         * combine.c (make_extraction): Correct offset computation.
4321
4322 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4323
4324         * config/cris/t-linux (LIMITS_H_TEST): Define.
4325
4326 2005-10-12  Richard Henderson  <rth@redhat.com>
4327
4328         PR rtl-opt/23324
4329         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4330
4331 2005-10-12  Richard Guenther  <rguenther@suse.de>
4332
4333         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4334
4335 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4336
4337         PR c++/19964
4338         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4339         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4340         type.
4341
4342 2005-10-12  Richard Guenther  <rguenther@suse.de>
4343
4344         PR c++/23799
4345         * varasm.c (output_constant): Correct typo from previous
4346         patch by DJ.
4347
4348 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4349
4350         PR rtl-optimization/13931
4351         * combine.c: Revert patch of 2003-05-14, and:
4352         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4353         completely killed in the appropriate insn.
4354         (distribute_notes): Don't skip multiple hard register test for
4355         elim_i1 and elim_i2.
4356
4357 2005-10-11  Richard Henderson  <rth@redhat.com>
4358
4359         PR c/24255
4360         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4361         to initialize a transparent union instead of a nop_expr.
4362
4363 2005-10-11  Richard Henderson  <rth@redhat.com>
4364
4365         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4366         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4367         (tree_ssa_dce_loop): Call scev_reset.
4368
4369         PR tree-opt/24300
4370         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4371         * tree-ssa-dce.c: Include cfgloop.h.
4372         (tree_ssa_dce_loop, pass_dce_loop): New.
4373         * tree-pass.h (pass_dce_loop): Declare it.
4374         * passes.c (init_optimization_passes): Use it.
4375
4376 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4377
4378         PR middle-end/24263
4379         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4380         Only apply the optimization for rounding builtins if the inner
4381         cast is also an extension.
4382
4383 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4384
4385         PR tree-opt/23946
4386         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4387         mark_new_vars_to_rename instead of update_stmt.
4388
4389 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4390
4391         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4392
4393 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4394
4395         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4396         for setting MMX register to 0 rather than mmx.
4397
4398 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4399
4400         PR target/12098
4401         * configure.ac: Move gas check from mips specific case to common case.
4402         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4403         * configure: Regenerate
4404         * doc/install.texi: Update.
4405
4406 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4407
4408         PR target/24284
4409         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4410
4411 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4412
4413         * gcc.c (do_spec_1): Accept numeric characters in file name
4414         suffixes.
4415
4416 2005-10-10  Nick Clifton  <nickc@redhat.com>
4417
4418         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4419         describing the deleted arm_gen_rotated_half_load function.
4420
4421 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4422
4423         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4424         __fpscr_values.
4425
4426 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4427
4428         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4429         gnu_ld assignments.
4430         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4431         (EXTRA_MULTILIB_PARTS): Define.
4432         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4433         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4434         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4435         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4436         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4437         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4438
4439 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4440
4441         PR tree-optimization/24226
4442         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4443         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4444         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4445         Export.
4446
4447 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4448
4449         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4450
4451 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4452
4453         PR target/24136
4454         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4455         Rewrite for no need for the early clobber.
4456
4457 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4458
4459         Merge from csl-arm-branch:
4460         2005-09-07  Paul Brook  <paul@codesourcery.com>
4461         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4462         space to string.
4463
4464         2005-04-30  Paul Brook  <paul@codesourcery.com>
4465         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4466         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4467
4468         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4469         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4470         (arm_override_options): Use TARGET_AAPCS_BASED.
4471         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4472         (PTRDIFF_TYPE): Use int for AAPCS.
4473         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4474         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4475         (DEFAULT_SHORT_ENUMS): Delete.
4476         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4477
4478         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4479         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4480         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4481         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4482
4483         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4484         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4485
4486         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4487         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4488
4489         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4490         * config.gcc (arm*-*-linux-gnueabi): Add it.
4491         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4492         redefining it.
4493         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4494         * config/arm/linux-eabi.h: New file.
4495         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4496         (LINUX_TARET_LINK_SPEC): Likewise.
4497         (LINK_SPEC): Use it.
4498         * config/arm/t-linux-eabi: New file.
4499
4500 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4501
4502         PR other/22202
4503         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4504         spaces.
4505         (PARAM_SMS_DFA_HISTORY): Likewise.
4506
4507 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4508
4509         PR middle-end/23150
4510         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4511         (load_register_parameters): Call it.
4512         (check_sibcall_argument_overlap_1): Likewise.
4513         (store_one_arg): Likewise.
4514
4515 2005-10-07  James E. Wilson  <wilson@specifix.com>
4516
4517         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4518         DImode not VECINT24 for operand 2.
4519
4520         PR target/23644
4521         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4522         -mtune-arch.
4523
4524         PR target/24193
4525         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4526         fr_spill): Use destination_operand for operand 0.
4527
4528 2005-10-07  DJ Delorie  <dj@redhat.com>
4529
4530         * varasm.c (output_constant): Limit error to expanding
4531         conversions.
4532
4533 2005-10-07  Richard Guenther  <rguenther@suse.de>
4534
4535         PR middle-end/24227
4536         * fold-const.c (fold_binary): Fix operand types during folding
4537         of X op (A, Y).  Evaluation order of the side-effects of
4538         X and A are frontend-defined, so ensure we honour that even for
4539         tcc_comparison class operands; eased by removing duplicate code.
4540
4541 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4542
4543         * stor-layout.c (layout_type): Do not allow alignment of array
4544         elements to be greater than their size.
4545
4546 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4547
4548         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4549         host_xmake_file.
4550         (hppa*-*-linux*): Ditto.
4551         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4552         * config/host-hpux.c: New.
4553         * config/x-hpux: New.
4554         * config/pa/x-hpux: Remove.
4555         * config/pa/x-linux: Remove.
4556         * config/pa/pa-host.c: Remove.
4557
4558 2005-10-07  Jeff Law  <law@redhat.com>
4559
4560         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4561         determine whether or not to try and thread outgoing edges.
4562
4563 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4564
4565         * config/rs6000/rs6000.md (eqsi_power): New.
4566         (neg_eq0si): Add TARGET_POWER to final condition.
4567         (neg_eqsi): Same.
4568
4569 2005-10-06  Richard Henderson  <rth@redhat.com>
4570
4571         * config/rs6000/rs6000.c: Revert last change.
4572
4573 2005-10-06  Richard Henderson  <rth@redhat.com>
4574
4575         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4576         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4577
4578 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4579
4580         PR middle-end/22216
4581         PR middle-end/23651
4582         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4583         out return_label and naked_return_label.
4584
4585 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4586
4587         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4588         change.
4589
4590 2005-10-06  Richard Henderson  <rth@redhat.com>
4591
4592         PR tree-opt/22237
4593         * tree-inline.c (declare_return_variable): Handle modify_dest not
4594         being a DECL.
4595
4596 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4597
4598         Fix PR tree-optimization/22488
4599         * tree-ssa-structalias.c (check_for_overlaps): New function.
4600         (create_variable_info_for): Use it.
4601
4602 2005-10-06  Richard Henderson  <rth@redhat.com>
4603
4604         PR debug/24070
4605         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4606         (dwarf2out_start_source_file): Print it.
4607
4608 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4609
4610         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4611
4612 2005-10-06  Richard Henderson  <rth@redhat.com>
4613
4614         PR 23706
4615         * mode-switching.c (optimize_mode_switching): Clear transp bit
4616         for block with incomming abnormal edges.
4617
4618         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4619         (fpscr_set_from_mem): Use them.
4620         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4621         (fpscr postinc splitters): Rewrite as peephole2+split.
4622
4623 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4624
4625         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4626         (eq<mode>_compare): Same.
4627
4628 2005-10-06  Richard Guenther  <rguenther@suse.de>
4629
4630         PR tree-optimization/24238
4631         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4632
4633 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4634
4635         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4636         here.  Use AC_PATH_PROG for environment variables instead of
4637         test -x.
4638         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4639         objdump also.
4640         * configure: Regenerated.
4641
4642 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4643
4644         PR target/23783
4645         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4646         then force it into a register.
4647         (call_value): Likewise.
4648
4649 2005-10-06  Richard Henderson  <rth@redhat.com>
4650
4651         PR 24049
4652         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4653         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4654         under pass_vectorize.
4655
4656 2005-10-05  Devang Patel  <dpatel@apple.com>
4657
4658         PR Debug/23205
4659         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4660         handling constants. Check NAMESPACE_DECL context for constants.
4661
4662 2005-10-05  Eric Christopher  <echristo@apple.com>
4663
4664         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4665
4666 2005-10-05  Richard Henderson  <rth@redhat.com>
4667
4668         PR 23714
4669         * tree-cfg.c (mark_array_ref_addressable_1): New.
4670         (mark_array_ref_addressable): New.
4671         * tree-flow.h (mark_array_ref_addressable): Declare.
4672         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4673
4674 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4675
4676         PR middle-end/20606
4677         PR middle-end/24069
4678         * reload.c (subst_reloads): When adding a REG_LABEL to a
4679         jump instruction, also update JUMP_LABEL.
4680
4681 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4682
4683         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4684         * bb-reorder.c (copy_bb_p): Use it.
4685         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4686
4687 2005-10-05  Richard Henderson  <rth@redhat.com>
4688
4689         PR target/23602
4690         * toplev.c (process_options): Warn about unsupported combinations
4691         of unwind tables and omit-frame-pointer.
4692         * config/i386/i386.c (override_options): Similarly.  Enable
4693         accumulate-outgoing-args if not explicitly disabled.
4694
4695 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4696
4697         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4698         Handle big endian vs. small endian.
4699         (vec_initv2sf): Handle big endian vs. small endian.
4700         (*vec_extractv2sf_1): Ditto.
4701
4702 2005-10-05  Dale Johannesen  <dalej@apple.com>
4703
4704         * convert.c (convert_to_real):  Don't convert
4705         (float)floor(double d) to floorf((float)d).
4706
4707 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4708
4709         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4710
4711 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4712
4713         PR tree-optimization/18587
4714         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4715         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4716         build_vuses): Change to VEC type.
4717         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4718         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4719         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4720         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4721         (get_name_decl): New.  Return DECL_UID of base variable.
4722         (operand_build_cmp): New.  qsort comparison routine.
4723         (operand_build_sort_virtual): New.  Sort virtual build vector.
4724         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4725         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4726         (FINALIZE_BASE): Use get_name_decl.
4727         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4728         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4729         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4730         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4731         direct VEC_* manipulations.
4732         (build_ssa_operands): Call operand_build_sort_virtual.
4733         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4734         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4735         with direct VEC_* manipulations.
4736         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4737         with direct VEC manipulations.
4738
4739 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4740
4741         PR tree-optimization/21419
4742         PR tree-optimization/24146
4743         PR tree-optimization/24151
4744
4745         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4746         (build_asm_expr): Call it if outputs are read-only.
4747         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4748
4749 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4750             Paolo Bonzini  <bonzini@gnu.org>
4751
4752         PR target/23809
4753
4754         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4755         enable the instructions and not just the built-ins.
4756         * doc/invoke.texi (x86 Options): Likewise.
4757
4758 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4759
4760         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4761
4762         * doc/invoke.texi (Option Summary): Correct spelling
4763         of -mmacosx-version-min.
4764
4765 2005-10-04  Devang Patel  <dpatel@apple.com>
4766
4767         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4768         real types.
4769
4770 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4771
4772         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4773         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4774
4775 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4776
4777         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4778         ("TE","tg"): New mode attributes.
4779         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4780         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4781         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4782         dword_mode and one for GPRmode.
4783
4784 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4785
4786         PR preprocessor/13726
4787         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4788         any comments passed in.
4789
4790 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4791
4792         * tree.c (annotate_with_file_line): Fix typo.
4793
4794 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4795
4796         PR ada/19382
4797         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4798         type used to access data in the inlined length == 1 case, use
4799         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4800         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4801
4802 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4803
4804         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4805         TARGET_SSE3 and only for TARGET_80387.
4806         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4807         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4808         Do not depend on TARGET_80387.
4809
4810 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4811
4812         * tree.c (last_annotated_node): Change type to location_t*.
4813         (annotate_with_file_line): Reflect the change of
4814         last_annotated_node type.
4815
4816 2005-10-04  Richard Guenther  <rguenther@suse.de>
4817
4818         PR c/23576
4819         * c-decl.c (grokdeclarator): Don't write to fields
4820         of error_mark_node.
4821
4822 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4823
4824         PR middle-end/23125
4825         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4826         register variables.
4827         * varasm.c (make_decl_rtl): If a register variable does not
4828         have a set user assmbler name, error out.
4829         Decode the asmspec is now name+1 bypassing '*'.
4830
4831 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4832
4833         PR tree-optimization/23049
4834         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4835         of a COND_EXPR is folded before calling fold on the whole rhs of a
4836         conditional assignment.
4837         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4838         document that a COND_EXPR may appear there.
4839
4840 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4841
4842         PR 23445
4843         * tree-vrp.c (extract_range_from_assert): If the new numeric
4844         range created out of the assertion contradicts the existing
4845         numeric range of the ASSERT_EXPR variable, make the new range
4846         varying.
4847
4848 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4849
4850         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4851         from T_REGS to FP register class.
4852
4853 2005-10-03  Richard Henderson  <rth@redhat.com>
4854
4855         PR 24135
4856         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4857         before creating a new one.
4858
4859 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4860
4861         * config/rs6000/t-aix43 (LDFLAGS): New.
4862         * config/rs6000/t-aix52 (LDFLAGS): New.
4863
4864 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4865
4866         * gimplify.c (find_single_pointer_decl_1): New static function.
4867         (find_single_pointer_decl): New static function.
4868         (internal_get_tmp_var): For a formal variable, set restrict base
4869         information if appropriate.
4870         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4871         return it.
4872         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4873         (DECL_GET_RESTRICT_BASE): Define.
4874         (SET_DECL_RESTRICT_BASE): Define.
4875         (decl_restrict_base_lookup): Declare.
4876         (decl_restrict_base_insert): Declare.
4877         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4878         * tree.c (restrict_base_for_decl): New static variable.
4879         (init_ttree): Initialize restrict_base_for_decl.
4880         (copy_node_stat): Copy restrict base information.
4881         (decl_restrict_base_lookup): New function.
4882         (decl_restrict_base_insert): New function.
4883         (print_restrict_base_statistics): New static function.
4884         (dump_tree_statistics): Call print_restrict_base_statistics.
4885
4886 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4887
4888         PR 24142
4889         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4890         case of anti-ranges.
4891
4892 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4893
4894         PR c/18851
4895         * c-typeck.c (tagged_tu_seen): Rename to ...
4896         (tagged_tu_seen_cache): this and add val field.
4897         (comptypes): Move functional to comptypes_internal
4898         and free tagged_tu_seen.
4899         (comptypes_internal): New function and call comptypes_internal
4900         instead of comptypes. Speed up by sibcalling
4901         tagged_types_tu_compatible_p.
4902         (alloc_tagged_tu_seen): New function
4903         (free_all_tagged_tu_seen_up_to): New function.
4904         (tagged_types_tu_compatible_p): Return the val of the seen two
4905         types.
4906         Add that the two types are the same to tagged_tu_seen_base
4907         if they are and call comptypes_internal instead of comptypes.
4908         <case UNION_TYPE>: Speed up common type where the fields are
4909         in the same order.
4910         (function_types_compatible_p): Call comptypes_internal instead of
4911         comptypes.
4912         (type_lists_compatible_p): Likewise.
4913         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4914
4915 2005-10-02  Matthias Klose  <doko@debian.org>
4916
4917         * doc/invoke.texi: Fix typo and speling error.
4918
4919 2005-10-01  Richard Henderson  <rth@redhat.com>
4920
4921         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4922
4923 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4924
4925         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4926         using --start-group and --end-group.
4927
4928 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4929
4930         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4931         FIXME note regarding quirky semantics.
4932
4933 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4934
4935         PR 24141
4936         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4937         non-null range as a last resort.
4938
4939 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4940             Diego Novillo  <dnovillo@redhat.com>
4941
4942         PR 23604
4943         * tree-vrp.c (extract_range_from_assert): For !=
4944         assertions, only build an anti-range if LIMIT is a
4945         single-valued range.
4946
4947 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4948
4949         * arm.md (movqi): On thumb when optimizing, handle loading from
4950         memory by describing this as taking a subreg of a zero-extended load
4951         into an SImode register.
4952         (movhi): Likewise.
4953
4954 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4955
4956         * reload1.c (merge_assigned_reloads): Do not change any
4957         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4958
4959 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4960
4961         * Makefile.in (LIPO_FOR_TARGET): Define.
4962         (STRIP_FOR_TARGET): Define.
4963
4964         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4965         before creating new ones.  Do symlinks before creating the actual
4966         targets.
4967
4968         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4969         to work out which multilibs are actually being built.
4970
4971 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4972
4973         * tree-vect-transform.c, config/ms1/ms1.md,
4974         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4975         Follow spelling conventions.
4976         * doc/invoke.texi, doc/md.texi: Fix typos.
4977
4978 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4979
4980         PR tree-optimization/21430
4981         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4982         use operands, and set stmt pointer if need be.
4983         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4984         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4985         present.
4986
4987 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4988
4989         PR middle-end/24053
4990         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4991
4992 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4993
4994         * optabs.c (expand_binop): Initialize first_pass_p.
4995
4996 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4997
4998         PR middle-end/24109
4999         * c-decl.c (c_write_global_declarations_1): If any
5000         wrapup_global_declaration_2 call returned true, restart the loop.
5001
5002 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5003
5004         Fix PR tree-optimization/24117
5005         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5006         before considering whether to use anyoffset.
5007
5008 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5009
5010         Revert this patch:
5011
5012         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5013
5014         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5015         to order operands.
5016         (swap_commutative_operands_with_target): New.
5017
5018 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5019
5020         PR c/21419
5021         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5022         read-only.
5023
5024 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5025
5026         PR tree-optimization/23911
5027         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5028         and IMAGPART_EXPR too.
5029
5030 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5031
5032         PR 17886
5033         * expmed.c (expand_shift): Move logic to reverse rotation
5034         direction when  rotating by constants ...
5035         * optabs.c (expand_binop): ... here.
5036         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5037         (ix86_rotrdi3): New pattern.
5038         (rotldi3): Handle 32-bit mode.
5039         (ix86_rotldi3): New pattern.
5040
5041 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5042
5043         PR target/24102
5044         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5045         check for numbers that need no bit twiddle.
5046
5047 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5048
5049         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5050         multilib to be built.
5051
5052         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5053         (stage1-start): Delete old libgcc and libunwind before moving
5054         anything into the stage directory.
5055         (stage2-start): Likewise.
5056         (stage3-start): Likewise.
5057         (stage4-start): Likewise.
5058         (stageprofile-start): Likewise.
5059         (stagefeedback-start): Likewise.
5060         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5061         header in tm_file and CPU-specific t-darwin in tmake_file.
5062         (i[34567]86-*-darwin*): Don't change tm_file.
5063         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5064         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5065         shared library stub for target OS version.
5066         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5067         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5068         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5069         (libgcc_s.%.dylib): New.
5070         (LIBGCC): Define.
5071         (install-darwin-libgcc-stubs): New.
5072         (INSTALL_LIBGCC): New append.
5073         * config/i386/darwin-libgcc.10.4.ver: New.
5074         * config/i386/darwin-libgcc.10.5.ver: New.
5075         * config/i386/t-darwin: New.
5076         * config/rs6000/darwin-libgcc.10.4.ver: New.
5077         * config/rs6000/darwin-libgcc.10.5.ver: New.
5078         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5079         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5080
5081 2005-09-28  Paul Brook  <paul@codesourcery.com>
5082
5083         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5084         denormals.
5085
5086 2005-09-28  Richard Guenther  <rguenther@suse.de>
5087
5088         PR tree-optimization/23853
5089         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5090         host_integerp to verify misalignment value.
5091
5092 2005-09-28  Richard Henderson  <rth@redhat.com>
5093
5094         * builtins.c (get_builtin_sync_mode): New.
5095         (expand_builtin_sync_operation): Pass in mode argument.
5096         (expand_builtin_compare_and_swap): Likewise.
5097         (expand_builtin_lock_test_and_set): Likewise.
5098         (expand_builtin_lock_release): Likewise.
5099         (expand_builtin): Update to match.
5100
5101 2005-09-28  Nick Clifton  <nickc@redhat.com>
5102
5103         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5104         formatting.  Add check to PLUS case to ensure that the offset is
5105         within an acceptable range.
5106
5107         * config/v850/v850.md (casesi): Disable the generation of the
5108         switch pattern as it is not being handled properly at the moment.
5109
5110         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5111         for when the high words are identical.
5112
5113 2005-09-27  Richard Henderson  <rth@redhat.com>
5114
5115         * pretty-print.c (pp_base_format): Fix typo for %>.
5116
5117 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5118             Devang Patel  <dpatel@apple.com>
5119
5120         PR tree-optimization/23625
5121         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5122         LABEL_EXPR, assertion check.
5123
5124 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5125
5126         * optabs.c (no_conflict_move_test): Check if a result of a
5127         to-be-moved insn would be clobbered by an originally
5128         preceding insn.
5129
5130 2005-09-27  Jeff Law  <law@redhat.com>
5131
5132         * passes.c (init_optimization_passes): Replace copy propagation
5133         passes immediately after DOM with phi-only copy propagation
5134         pases.  Add phi-only copy propagation pass after first DOM pass.
5135         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5136         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5137         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5138         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5139         to init_copy_prop.  Callers updated.
5140         (do_phi_only_copy_prop): New function.
5141         (pass_phi_only_copy_prop): New pass descriptor.
5142
5143 2005-09-27  Nick Clifton  <nickc@redhat.com>
5144
5145         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5146
5147 2005-09-26  Jason Merrill  <jason@redhat.com>
5148
5149         PR c++/13764
5150         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5151
5152         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5153
5154 2005-09-26  James E Wilson  <wilson@specifix.com>
5155
5156         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5157         copyright.  Add gcc copyright plus libgcc exception.
5158         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5159         copyright.
5160         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5161
5162 2005-09-26  Jeff Law  <law@redhat.com>
5163
5164         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5165         about when to iterate.
5166
5167 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5168
5169         PR target/23847
5170         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5171         for __complex__ double in -mcpu=G5 mode.
5172
5173 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5174
5175         PR tree-optimization/23942
5176         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5177         * tree-scalar-evolution.c: Include params.h.
5178         (t_bool): New enum.
5179         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5180         follow_ssa_edge_in_condition_phi_branch,
5181         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5182         Change return type to t_bool.  Use a parameter to limit the size of
5183         trees that are walked before stopping
5184         (analyze_evolution_in_loop): Initialize the limit to 0.
5185         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5186         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5187
5188 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5189
5190         PR middle-end/23831
5191         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5192         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5193
5194 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5195
5196         * combine.c (make_extraction): Check for valid use of subreg.
5197
5198 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5199
5200         PR target/24055
5201         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5202         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5203         ("fist<mode>2_with_temp"): Use only register operands.
5204
5205 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5206
5207         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5208         CALL_INSN_FUNCTION_USAGE.
5209
5210 2005-09-26  Richard Guenther  <rguenther@suse.de>
5211
5212         PR middle-end/15855
5213         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5214         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5215         (ldst_entry): Use the hashtable instead of list-walking.
5216         (find_rtx_in_ldst): Likewise.
5217         (free_ldst_entry): Free the hashtable.
5218         (compute_ld_motion_mems): Create the hashtable.
5219         (trim_ld_motion_mems): Remove entry from hashtable if
5220         removing it from list.
5221         (compute_store_table): Likewise^2.
5222         (store_motion): Free hashtable in case we did not see
5223         any stores.
5224
5225 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5226
5227         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5228         and arg1 if we are passing them to fold_build2.
5229
5230 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5231
5232         PR 23828
5233         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5234         a nested function.
5235
5236 2005-09-25  Richard Henderson  <rth@redhat.com>
5237
5238         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5239         SYMBOL_REF_TLS_MODEL to be correct.
5240
5241 2005-09-24  Richard Henderson  <rth@redhat.com>
5242
5243         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5244         end of function.  Reindent.
5245
5246 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5247
5248         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5249         NEGATE_EXPR/BIT_NOT_EXPR case.
5250
5251 2005-09-24  Richard Henderson  <rth@redhat.com>
5252
5253         * c-common.c (handle_mode_attribute): When not modifying in place,
5254         create subtypes for enumerations.
5255         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5256         * gimplify.c (create_tmp_from_val): Likewise.
5257
5258 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5259
5260         * config/i386/i386.md (*tls_global_dynamic_64,
5261         *tls_local_dynamic_base_64): Add missing mode to call.
5262         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5263
5264 2005-09-24  Jan Hubicka  <jh@suse.cz>
5265
5266         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5267         (cgraph_clone_node): Likewise.
5268         * cgraph.h (cgraph_clone_edge): Update prototype.
5269         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5270         duplicated prototypes; add updating argument.
5271         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5272         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5273         updating profile.
5274         (cgraph_mark_inline_edge): Likewise.
5275         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5276         (cgraph_flatten_node): Likewise.
5277         (cgraph_decide_recursive_inlining): Likewise.
5278         (cgraph_decide_inlining_of_small_function): Likewise.
5279         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5280
5281 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5282             Pete Steinmetz <steinmtz@us.ibm.com>
5283
5284         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5285         (rldic.): Set type to "compare".
5286         (rldicr.): Same.
5287         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5288         mfjmpr for MFCTR/MFLR.
5289         (movdf_hardfloat64): Same.
5290         (movdf_softfloat64): Same.  Correct order of store and move types.
5291         (movti_string): Set type to store_ux/load_ux.
5292         (load_multiple): Set type to load_ux.
5293         (store_multiple): Set type to store_ux.
5294         (movmemsi): Set type to store_ux.
5295         (output_cbranch direct_return): Set type to jmpreg.
5296         (stmw): Set type to store_ux.
5297         (lmw): Set type to load_ux.
5298         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5299         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5300         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5301         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5302         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5303         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5304         (rios1-fpstore): Increase latency to 3.
5305         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5306         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5307
5308 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5309             Andrew Pinski  <pinskia@physics.uc.edu>
5310
5311         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5312         operand2 constraint to "b".
5313         (sync_<fetchop_name>di_internal): Same.
5314         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5315         to "b".
5316         (sync_old_<fetchop_name>di_internal): Same.
5317         (sync_new_<fetchop_name>si_internal): Same.
5318         (sync_new_<fetchop_name>di_internal): Same.
5319
5320 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5321
5322         PR middle-end/23991
5323         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5324         case, define as macros.
5325
5326         PR rtl-optimization/23837
5327         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5328         clobber / clobber match between dest and p->first.
5329
5330         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5331         (no_conflict_move_test): Update comments.
5332
5333 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5334
5335         * doc/install.texi: Update URL for Jacks.
5336         * doc/sourcebuild.texi: Likewise.
5337
5338 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5339
5340         PR target/24007
5341         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5342         registers when choosing register preferences.
5343         (movdf_hardfloat64): Same.
5344
5345 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5346
5347         * expmed.c (expand_shift): Don't use the target of the rotate as
5348         target for the first expanded shift insn.
5349         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5350
5351 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5352
5353         PR tree-optimization/22438
5354         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5355         preserved iv rhs rewriting specially.
5356
5357 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5358
5359         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5360         estimate_only  is true.
5361         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5362         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5363         tree-ssa-structalias.c
5364         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5365         ref_contains_indirect_ref.
5366         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5367
5368 2005-09-21  DJ Delorie  <dj@redhat.com>
5369
5370         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5371         MASK_PTR_A0D0.
5372         (mn10300_return_in_memory): Support variable size types also.
5373         (mn10300_pass_by_reference): Likewise.
5374         (mn10300_function_value): New.
5375         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5376         (FUNCTION_OUTGOING_VALUE): Likewise.
5377         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5378         * doc/invoke.texi: Document it.
5379
5380 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5381
5382         PR target/22585
5383         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5384         force integer op1 into register for XFmode compares.
5385
5386 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5387
5388         PR middle-end/23971
5389         * expmed.c (alg_code): Add alg_impossible.
5390         (alg_hash_entry): Add cost.
5391         (synth_mult): Record alg_impossible in the hash table if
5392         multiplication by a given integer is impossble within the
5393         limit.  Speed up using alg_impossible.
5394
5395 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5396
5397         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5398         argument.  Allow and set any offset if needs_anyoffset is passed
5399         in.
5400         (get_constraint_for): Add argument here too.
5401         Pass it down.
5402         (do_structure_copy): Pass NULL to get_constraint_for.
5403         (handle_ptr_arith): Ditto.
5404         (find_func_aliases): Ditto.
5405
5406 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5407
5408         PR rtl-optimization/23898
5409         * output.h (get_attr_min_length): Declare.
5410         * final.c (get_attr_length_1): New function, broken out of:
5411         (get_attr_length).
5412         (get_attr_min_length): New function.
5413         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5414         (duplicate_computed_gotos): Likewise.
5415         * genattr.c (insn_min_length): Generate declaration.
5416         * genattrtab.c (min_fn, min_attr_value): New functions.
5417         (make_length_attrs): Generate insn_min_length.
5418
5419 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5420
5421         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5422
5423 2005-09-20  Richard Henderson  <rth@redhat.com>
5424
5425         PR tree-optimization/24059
5426         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5427         EXPAND_STACK_PARM.
5428
5429 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5430
5431         * c.opt (fextended-identifiers): New.
5432         * c-opts.c (c_common_handle_option): Handle
5433         -fextended-identifiers.
5434         * doc/cpp.texi: Update documentation of extended identifiers.
5435         * doc/cppopts.texi (-fextended-identifiers): Document.
5436
5437 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5438
5439         PR tree-optimization/23929
5440         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5441         if expr is NULL.
5442
5443         PR tree-optimization/23818
5444         * tree-stdarg.c (execute_optimize_stdarg): Call
5445         calculate_dominance_info.
5446
5447 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5448
5449         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5450         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5451         (compute_overlap_steps_for_affine_1_2): Use
5452         get_number_of_iters_for_loop.
5453         (analyze_subscript_affine_affine): Check whether difference is
5454         zero first.
5455         Use get_number_of_iters_for_loop.
5456         Check whether overlap occurs outside of bounds.
5457         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5458
5459 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5460
5461         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5462         base register if possible.
5463
5464 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5465
5466         PR tree-optimization/18463
5467         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5468         converting it directly is not possible.
5469         (chrec_convert_aggressive): New function.
5470         * tree-chrec.h (chrec_convert_aggressive): Declare.
5471         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5472         Fold chrec conversions aggressively if asked to.
5473         (instantiate_parameters): Modified because of changes in
5474         instantiate_parameters_1.
5475
5476 2005-09-19  Richard Henderson  <rth@redhat.com>
5477
5478         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5479         (reduc_splus_v2df): New.
5480
5481 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5482
5483         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5484         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5485
5486 2005-09-19  Richard Henderson  <rth@redhat.com>
5487
5488         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5489         vcondu<SSEMODE12>.
5490
5491 2005-09-19  Richard Henderson  <rth@redhat.com>
5492
5493         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5494         (ia64_expand_dot_prod_v8qi): New.
5495         * config/ia64/ia64-protos.h: Update.
5496         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5497         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5498         sdot_prodv8qi, sdot_prodv4hi): New.
5499         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5500
5501 2005-09-19  Richard Henderson  <rth@redhat.com>
5502
5503         PR 23941
5504         * real.c (exact_real_truncate): Return false if the format cannot
5505         represent the number as a normal.
5506
5507         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5508         for a memory source.
5509
5510 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5511
5512         * tree-ssa-operands.c (swap_tree_operands): Export.
5513         * tree.h (swap_tree_operands): Declare.
5514         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5515         Call swap_tree_operands.
5516
5517 2005-09-19  Richard Henderson  <rth@redhat.com>
5518
5519         * tree-flow.h (merge_alias_info): Declare.
5520         * tree-ssa-copy.c (merge_alias_info): Export.
5521         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5522         (vect_create_data_ref_ptr): Use create_iv directly.
5523         (vectorizable_load): Use correct types for integer constants.
5524         (vect_generate_tmps_on_preheader): Likewise.
5525         (vect_gen_niters_for_prolog_loop): Likewise.
5526
5527 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5528
5529         PR rtl-optimization/23943
5530         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5531
5532 2005-09-18  Jan Hubicka  <jh@suse.cz>
5533
5534         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5535
5536 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5537
5538         * varasm.c (output_constant): Do not abort on conversions to union
5539         types between different sizes.
5540
5541 2005-09-18  Richard Guenther  <rguenther@suse.de>
5542
5543         PR middle-end/23944
5544         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5545         fallback.
5546
5547 2005-09-18  Paul Brook  <paul@codesourcery.com>
5548
5549         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5550
5551 2005-09-17  Richard Henderson  <rth@redhat.com>
5552
5553         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5554         * tree-ssa-loop.c (pass_vect_dce): Remove.
5555         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5556         of pass_vectorize.
5557
5558 2005-09-17  Richard Henderson  <rth@redhat.com>
5559
5560         * tree-pass.h (pass_vect_dce): Declare.
5561         * passes.c (init_optimization_passes): Add it.
5562         * tree-flow.h (tree_ssa_dce): Declare.
5563         * tree-ssa-dce.c (tree_ssa_dce): Export.
5564         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5565         (gate_tree_vectorize): ... here.
5566         (pass_vect_dce): New.
5567
5568 2005-09-17  Jan Hubicka  <jh@suse.cz>
5569
5570         * except.c (struct eh_status): Turn region_array into vec.
5571         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5572         convert_from_eh_region_ranges, find_exception_handler_labels,
5573         current_function_has_exception_handlers, assign_filter_values,
5574         build_post_landing_pads, dw2_build_landing_pads,
5575         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5576         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5577         foreach_reachable_handler, can_throw_internal_1,
5578         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5579         region_array.
5580         (duplicate_eh_region_1): Update region_array.
5581         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5582
5583 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5584
5585         PR middle-end/22067
5586         * expmed.c (expand_mult): Substitute simple register for op0 when
5587         computing max_cost.
5588
5589 2005-09-17  Richard Henderson  <rth@redhat.com>
5590
5591         * expr.c (emit_move_via_integer): Add force argument, pass it on
5592         to emit_move_change_mode.  Update callers.
5593         (emit_move_complex): Pass true to new force argument.
5594         * function.c (expand_function_end): Move expand_eh_return call
5595         earlier.  Merge sub-word complex values into a pseudo before
5596         copying to the return hard register.
5597
5598 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5599
5600         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5601         between different sizes.
5602
5603 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5604
5605         PR 23903
5606
5607         * passes.c (init_optimization_passes): Register dump files for
5608         IPA passes first.
5609
5610 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5611
5612         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5613         * config/s390/s390.c (s390_overlap_p): New function.
5614         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5615         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5616         condition.
5617
5618 2005-09-16  Richard Guenther  <rguenther@suse.de>
5619
5620         * ipa-pure-const.c (static_execute): Free auxiliar information.
5621         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5622         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5623
5624 2005-09-15  DJ Delorie  <dj@redhat.com>
5625
5626         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5627
5628 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5629
5630         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5631         to order operands.
5632         (swap_commutative_operands_with_target): New.
5633
5634 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5635
5636         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5637         parameter.
5638         Update callers.
5639         (estimate_iters_using_array): New function.
5640         * tree-data-ref.h (estimate_iters_using_array): Prototype
5641         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5642         Use estimate_iters_using_array instead of analyze_array.
5643
5644 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5645
5646         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5647         as addressable.
5648
5649 2005-09-15  Michael Matz  <matz@suse.de>
5650
5651         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5652
5653 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5654
5655         PR tree-optimization/23835
5656         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5657         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5658
5659 2005-09-14  Richard Henderson  <rth@redhat.com>
5660
5661         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5662         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5663
5664 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5665
5666         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5667         in the ARRAY_TYPE case.
5668
5669 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5670
5671         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5672
5673 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5674
5675         PR middle-end/22480
5676         * tree-vect-transform.c (vectorizable_operation): Return false for
5677         scalar shift operations and for vector shift operations with
5678         non-invariant shift arguments.  Use scalar tree operand op1 as
5679         a shift operand when vector shift insn pattern uses scalar shift
5680         operand.
5681         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5682
5683 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5684
5685         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5686         value if it has side-effects.
5687
5688 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5689
5690         PR target/22068
5691         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5692
5693 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5694
5695         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5696         passed as NAME as if it were label at start of function code.
5697
5698 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5699
5700         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5701         the constraints.
5702
5703 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5704
5705         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5706         as early clobber.  Rewrite so the PIC register is not implicitly used.
5707
5708 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5709
5710         * tree.c (annotate_with_file_line): Compare line numbers before
5711         file names.
5712
5713 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5714
5715         PR target/23816
5716         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5717         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5718
5719 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5720
5721         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5722         than a HOST_WIDEST_INT to gen_doloop_begin.
5723
5724 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5725
5726         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5727
5728 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5729
5730         PR tree-optimize/23817
5731         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5732
5733 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5734
5735         PR target/23774
5736         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5737         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5738         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5739         (restore_stack_nonlocal): Likewise.
5740         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5741
5742 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5743
5744         PR g++/7874
5745         * c.opt (ffriend-injection): New C++ option.
5746         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5747         (C++ Dialect Options): Document -ffriend-injection.
5748
5749 2005-09-12  Josh Conner  <jconner@apple.com>
5750
5751         PR middle-end/23237
5752         * ipa-reference.c (static_execute): Don't mark variables in
5753         named sections TREE_READONLY.
5754
5755 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5756
5757         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5758         stack_tie.
5759
5760 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5761
5762         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5763         V_MUST_DEF instead of just the first_use_p.
5764         Don't mark the virtual variables for renaming on the statement which
5765         is being removed.
5766         (pass_dse): Remove TODO_update_ssa.
5767
5768 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5769
5770         PR middle-end/23290
5771         * stor-layout.c (compute_record_mode): For records with a single
5772         field, actually check the field's mode size against the type size.
5773
5774         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5775         registers for TARGET_SHMEDIA.
5776         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5777         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5778         of GENERAL_REGS and FP_REGS.
5779
5780 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5781
5782         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5783
5784 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5785
5786         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5787         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5788         are omitted.  Exclude stack_tie insn too.
5789
5790 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5791
5792         PR rtl-optimization/23098
5793         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5794         0.0f is easy.
5795         * config/rs6000/rs6000.md (movdf splitter): Use
5796         const_double_operand predicate for TARGET_POWERPC64.
5797         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5798         SYMBOL_REF method to ABI_V4.
5799
5800         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5801         replace_equiv_address.
5802         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5803         rs6000_sr_alias_set and MEM_NOTRAP.
5804         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5805
5806 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5807
5808         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5809         handle CALL_EXPR again.
5810
5811 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5812
5813         * arm/predicates.md (alignable_memory_operand): Delete.
5814
5815 2005-09-10  Richard Henderson  <rth@redhat.com>
5816
5817         PR debug/23806
5818         * dbxout.c (dbxout_expand_expr): New.
5819         (dbxout_symbol): Use it.
5820
5821 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5822
5823         * arm.c (arm_gen_rotated_half_load): Delete.
5824         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5825         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5826         (thumb_set_return_address): Likewise.
5827         (thumb_load_double_from_address): Use adjust_address.
5828         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5829         (extendhsisi2_mem, movhi_bytes): Use change_address.
5830         (movhi): Use widen_memory_access.
5831         (reload_out_df): Use replace_equiv_address.
5832         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5833
5834 2005-09-09  Richard Henderson  <rth@redhat.com>
5835
5836         PR debug/20998
5837         * dbxout.c: Include expr.h.
5838         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5839         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5840         * Makefile.in (dbxout.o): Add EXPR_H.
5841
5842 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5843
5844         PR tree-optimization/23509
5845         * tree-cfg.c (replace_uses_by): Use replace_exp.
5846         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5847         pointers have name_mem_tag or type_mem_tag set.
5848
5849 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5850
5851         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5852         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5853         of wrongly accessing operands.
5854
5855 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5856
5857         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5858         * tree-chrec.c: Include tree-scalar-evolution.h.
5859         (chrec_convert): Instantiate the base and step before calling
5860         scev_probably_wraps_p that would fail on parametric evolutions.
5861         Collect all the fails into a single section failed_to_convert,
5862         print a diagnostic, and return chrec_dont_know instead of calling
5863         fold_convert.
5864         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5865         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5866         phi nodes.
5867         (scev_const_prop): Don't replace the definition of a loop closed ssa
5868         phi node by itself, or by another loop closed ssa phi node.
5869         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5870         that base and step are defined.
5871
5872 2005-09-09  Richard Guenther  <rguenther@suse.de>
5873
5874         PR c++/23624
5875         * fold-const.c (fold_ternary): Check truth_value_p before
5876         calling invert_truthvalue.
5877
5878 2005-09-09  Nick Clifton  <nickc@redhat.com>
5879
5880         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5881         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5882         dimension of these arrays.
5883         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5884         these arrays.
5885         * longlong.h: Only provide a prototype for the __clz_tab[] array
5886         if this header has not been included from libgcc2.h.
5887         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5888         defining own types.
5889         Provide prototypes for exported functions.
5890         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5891         libgcc2.c.
5892
5893 2005-09-08  Josh Conner  <jconner@apple.com>
5894
5895         PR c++/21135
5896         PR c++/23180
5897         * expr.c (expand_expr_addr_expr_1): Don't invoke
5898         expand_simple_binop for EXPAND_INITIALIZER.
5899
5900 2005-09-08  Richard Henderson  <rth@redhat.com>
5901
5902         PR debug/23190
5903         * toplev.c (wrapup_global_declaration_1): Split out ...
5904         (wrapup_global_declaration_2): ... from ...
5905         (wrapup_global_declarations): ... here.  Return bool.
5906         (check_global_declaration_1): Split out ...
5907         (check_global_declarations): from here.
5908         (emit_debug_global_declarations): New.
5909         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5910         check_global_declaration_1, emit_debug_global_declarations): Declare.
5911         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5912         of decls.  Call wrapup_global_declaration_1,
5913         wrapup_global_declaration_2, check_global_declaration_1 directly.
5914         (c_write_global_declarations_2): New.
5915         (ext_block): New.
5916         (c_write_global_declarations): Call c_write_global_declarations_2.
5917         * langhooks.c (write_global_declarations): Call
5918         emit_debug_global_declarations.
5919
5920         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5921         remove decls that have DECL_RTL_SET_P.
5922         * passes.c (rest_of_decl_compilation): Invoke
5923         cgraph_varpool_finalize_decl for all but functions.
5924
5925 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5926
5927         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5928         the result of a conversion if the new min and max cannot be compared.
5929
5930 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5931
5932         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5933         (override_options): Setting s390_sr_alias_set removed.
5934         (save_fpr, save_gprs): Set alias set to vararg or frame.
5935         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5936         s390_sr_alias_set with get_frame_alias_set ().
5937         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5938         get_varargs_alias_set ().
5939
5940 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5941
5942         PR objc/20574
5943         PR objc/19324
5944         * c-parser.c (c_parser_objc_method_definition): If the next
5945         token is not "{", error out and don't start the function.
5946
5947 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5948
5949         * tree-vrp.c (extract_range_from_expr): Move the check for non
5950         nullness after the check for gimple invariant.
5951
5952 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5953
5954         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5955
5956 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5957
5958         PR target/23747
5959         * config/m32r.md (movmemsi_internal): Canonicalize order of
5960         operands in PLUS component of template.
5961
5962 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5963
5964         * reload1.c (fixup_eh_region_note): Remove assertion.
5965         (fixup_abnormal_edges): Reverted removal of call to
5966         find_many_sub_basic_blocks made on 2005-08-31.
5967
5968 2005-09-07  Richard Henderson  <rth@redhat.com>
5969
5970         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5971         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5972         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5973         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5974         rearrange for better packing.
5975         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5976         (lookup_cfa_1): Remove inline marker.
5977         (cfa_equal_p): Split out of ...
5978         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5979         (build_cfa_loc): Handle !cfa->indirect.
5980         (frame_pointer_cfa_offset): New.
5981         (dbx_reg_number): Assert register elimination performed; do
5982         leaf register remapping.
5983         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5984         (eliminate_reg_to_offset): New.
5985         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5986         for verifiably local stack frame addresses; re-base to CFA.
5987         (mem_loc_descriptor): Remove can_use_fbreg argument.
5988         (concat_loc_descriptor, loc_descriptor): Likewise.
5989         (containing_function_has_frame_base): Remove.
5990         (rtl_for_decl_location): Don't do register elimination or
5991         leaf register remapping here.
5992         (secname_for_decl): Split out from ..
5993         (add_location_or_const_value_attribute): ... here.
5994         (convert_cfa_to_loc_list): New.
5995         (compute_frame_pointer_to_cfa_displacement): New.
5996         (gen_subprogram_die): Use them.
5997         * tree.h (frame_base_decl): Remove.
5998         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5999         (prologue_stack_adjust): Remove.
6000         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6001         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6002         (set_frame_base_location): Remove.
6003         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6004         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6005         (vt_add_function_parameters): Don't eliminate_regs.
6006         (vt_initialize): Don't create frame_base_decl.
6007
6008 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6009
6010         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6011         version of GNU binutils for 4.x and later.
6012
6013 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6014
6015         * ggc-page.c (ggc_push_context): Remove.
6016         (ggc_pop_context): Likewise.
6017         * ggc.h (ggc_push_context): Remove.
6018         (ggc_pop_context): Likewise.
6019
6020 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6021
6022         PR target/8973
6023         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6024         returning from an interrupt handler.
6025
6026 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6027
6028         PR target/8972
6029         * config/arc/arc.c (output_shift): Add check for loop count when
6030         optimizing.
6031
6032 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6033
6034         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6035         form manually.
6036         (abs_replacement): Likewise.
6037         (pass_phiopt): Remove TODO_update_ssa.
6038
6039 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6040
6041         PR c/23075
6042         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6043         if "return with no value, in function returning non-void" warning
6044         has been issued.
6045         * tree-cfg.c (execute_warn_function_return): Don't look at
6046         RETURN_EXPRs with TREE_NO_WARNING set.
6047
6048         PR target/22362
6049         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6050         for internal functions doesn't use registers used by global registers
6051         variables.  Use fewer register parameters if there are global register
6052         variables.
6053
6054 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6055             Eric Botcazou  <ebotcazou@adacore.com>
6056
6057         PR middle-end/14997
6058         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6059         when we would be extracting outside its bit span (bitpos+bitsize
6060         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6061         Ada unchecked conversions.
6062
6063 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6064
6065         * tree-ssa-pre.c (try_look_through_load): New function.
6066         (compute_avail): Use it to try to look through loads for some
6067         more useful expressions.
6068
6069 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6070
6071         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6072         condition for detecting cases like (a&a) and (a^a).
6073
6074 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6075
6076         * common.opt: Add option ftree-vect-loop-version.
6077         * params.def: Add --param vect-max-version-checks.
6078         * doc/invoke.texi: Document ftree-vect-loop-version and
6079         --param vect-max-version-checks.
6080         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6081         may_misalign_stmts and defines for accessors.
6082         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6083         LOOP_VINFO_MAY_MISALIGN_STMTS.
6084         (destroy_loop_vec_info): VEC_free for
6085         LOOP_VINFO_MAY_MISALIGN_STMTS.
6086         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6087         Update documentation.
6088         (vect_update_misalignment_for_peel): New.
6089         (vect_enhance_data_refs_alignment): Update to choose loop
6090         peeling or loop versioning if appropriate for the (potentially)
6091         unaligned data references in the loop.
6092         (vect_analyze_data_refs_alignment): Remove call to
6093         vect_enhance_data_refs_alignment so the checks can be done
6094         earlier.
6095         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6096         and move up call to vect_analyze_data_refs_alignment.
6097         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6098         (vect_transform_loop): Add call to loop_version.
6099
6100 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6101
6102         PR rtl-optimization/23098
6103         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6104         * simplify-rtx.c (constant_pool_reference_p): New function.
6105         * rtl.h (constant_pool_reference_p): New prototype.
6106         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6107         constant_pool_reference_p in condition and
6108         avoid_constant_pool_reference in preparation statements.
6109
6110 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6111
6112         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6113         STRICT_LOW_PART SETs.
6114
6115 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6116
6117         PR middle-end/21460
6118         * except.c (sjlj_emit_function_enter): Find the function begin
6119         note even when it's not in first basic block.
6120
6121 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6122
6123         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6124         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6125         * aclocal.m4: Regenerate.
6126
6127 2005-09-05  DJ Delorie  <dj@redhat.com>
6128
6129         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6130         of macro.
6131
6132 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6133
6134         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6135         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6136         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6137         Follow spelling conventions.
6138         * doc/invoke.texi: Follow spelling conventions.
6139
6140 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6141
6142         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6143         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6144         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6145
6146 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6147
6148         PR target/23683
6149         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6150         (output_stack_adjust): Use gen_tmp_stack_mem.
6151         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6152         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6153         (sh_get_pr_initial_val): Likewise.
6154         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6155         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6156         * sh.md (divsi_inv_m0): Use gen_const_mem.
6157         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6158         (movdf_i4+1): Use gen_tmp_stack_mem.
6159         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6160         (fpu_switch+2): Likewise.
6161         (movv4sf_i, movv16sf_i): Use adjust_address.
6162         (symGOT_load): Set MEM_NOTRAP_P bit.
6163
6164 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6165
6166         PR target/23721
6167         * pa.c (emit_move_sequence): Fix typo in last change.
6168
6169 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6170
6171         PR rtl-optimization/23454
6172         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6173         is true.
6174
6175 2005-09-03  Richard Henderson  <rth@redhat.com>
6176             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6177
6178         PR middle-end/23671
6179         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6180         gen_rtx_MEM.
6181
6182 2005-09-02  Nicolas Pitre <nico@cam.org>
6183
6184         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6185         to bit_count to 32 bits.
6186
6187 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6188
6189         PR c++/23167
6190         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6191         generating synthetic loads from volatile lvalues.
6192
6193 005-09-02  Nick Clifton  <nickc@redhat.com>
6194
6195         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6196         __ctzhi2, __clzhi2): New functions.
6197
6198 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6199
6200         PR middle-end/23547
6201         * tree-nested.c (struct var_map_elt): Mark with GTY.
6202         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6203         var_map_elt.
6204         (lookup_field_for_decl): Allocate new element in GC memory.
6205         (lookup_tramp_for_decl): Likewise.
6206         (convert_nl_goto_reference): Likewise
6207         (create_nesting_tree): Allocate info in GC memory. Likewise for
6208         info->var_map.
6209         (free_nesting_tree): Free with ggc_free instead of free.
6210         (root): New static variable.
6211         (lower_nested_functions): Remove root as local variable.  And zero out
6212         root at the end of the function.
6213
6214 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6215
6216         PR rtl-optimization/20365
6217         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6218         to short.  New member ix.
6219         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6220         (simplify_plus_minus): Initialize ix members before calling qsort.
6221
6222 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6223
6224         PR tree-optimization/23626
6225         * tree-cfg.c (replace_uses_by): Clean up eh info.
6226
6227 2005-09-01  DJ Delorie  <dj@redhat.com>
6228
6229         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6230         fprintf.
6231
6232 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6233
6234         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6235         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6236         gen_rtx_MEM.
6237
6238 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6239
6240         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6241         do not issue warning for a variable definition following
6242         a declaration.
6243
6244 2005-09-01  Richard Henderson  <rth@redhat.com>
6245
6246         PR 23668
6247         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6248         conversion to CONST_VECTOR.
6249
6250 2005-09-01  Richard Henderson  <rth@redhat.com>
6251
6252         PR 23676
6253         * reload1.c (reload_as_needed): Check !CALL_P before calling
6254         fixup_eh_region_note.
6255         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6256
6257 2005-09-01  DJ Delorie  <dj@redhat.com>
6258
6259         * varasm.c (output_constant): Let the target resolve
6260         conversions of addresses to non-default pointer sizes.
6261
6262 2005-09-01  Nicolas Pitre <nico@cam.org>
6263
6264         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6265         to alow matching ARM pre-indexed addressing mode.
6266         (arm_override_options): Remove now irrelevant comment.
6267
6268 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6269
6270         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6271         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6272         * config/i386/vxworks.h:  Likewise.
6273         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6274         * config/i386/vxworksae.h:  Likewise.
6275
6276 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6277
6278         PR tree-optimization/23410
6279         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6280         sequence is not wrapping during the first step.
6281
6282 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6283
6284         PR debug/7241
6285         * dwarf2out.c (base_type_die): Compare char_type_node with
6286         TYPE_MAIN_VARIANT (type), not type.
6287
6288 2005-09-01  Richard Guenther  <rguenther@suse.de>
6289
6290         PR tree-optimization/15366
6291         * common.opt: Add -finline-functions-called-once.
6292         Put -fearly-inlining in alphabetically ordered place.
6293         * doc/invoke.texi: Document new option.
6294         * ipa-inline.c (cgraph_decide_inlining): Honour
6295         flag_inline_functions_called_once.
6296
6297 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6298
6299         PR rtl-optimization/23478
6300         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6301         (alloc_qty): Initialize it.
6302         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6303         (combine_regs): Combine also n_throwing_calls_crossed fields.
6304         (find_free_reg): Don't attempt to caller-save pseudos crossing
6305         calls that might throw.
6306         * global.c (struct allocno): Add throwing_calls_crossed field.
6307         (global_alloc): Revert 2005-08-22 change.  Initialize
6308         throwing_calls_crossed.
6309         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6310         might throw.
6311
6312 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6313
6314         PR target/23649
6315         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6316         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6317         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6318         (and64_2_operand): Tweak to use predicate.
6319         (and_operand): Adjust for mask_operand changes.
6320         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6321         (print_operand): Likewise.
6322         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6323         (mask64_1or2_operand): Delete.
6324         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6325         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6326         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6327         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6328         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6329         (rotldi3_internal4): Likewise.
6330         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6331         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6332         (ashldi3_internal7): Likewise.
6333         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6334         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6335         (anddi3 split): Don't match mask64_operand.
6336         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6337         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6338         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6339         't' splitter predicate.
6340         (movdi_internal64 + 2): Revert 2005-06-11 change.
6341
6342 2005-08-31  DJ Delorie  <dj@redhat.com>
6343
6344         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6345         (m32c_asm_integer): Add support for 32 bit pointers.
6346
6347 2005-08-31  Richard Henderson  <rth@redhat.com>
6348
6349         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6350         component-like references for setting MEM_NOTRAP_P.
6351
6352         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6353         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6354
6355 2005-08-31  Richard Henderson  <rth@redhat.com>
6356
6357         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6358         into a pseudo before applying gen_lowpart.
6359
6360 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6361
6362         * doc/install.texi (Specific): Update cctools version required
6363         for full functionality.
6364         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6365         linkers as -macosx_version_min.
6366
6367 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6368
6369         PR target/21255
6370         * sh.c (print_operand, %R and %S): Add handling of floating point
6371         registers, memory, constants and invalid operands.
6372
6373 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6374
6375         * ipa-pure-const.c: Change dump name.
6376
6377 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6378
6379         PR target/23570
6380         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6381         to "reg_or_0_operand".
6382         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6383
6384 2005-08-31  Dale Johannesen  <dalej@apple.com>
6385
6386         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6387         loops that count down.
6388
6389 2005-08-31  Richard Henderson  <rth@redhat.com>
6390
6391         PR rtl-opt/23601
6392         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6393         (fixup_eh_region_note): New.
6394         (reload_as_needed): Call it.
6395         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6396         don't call find_many_sub_basic_blocks; call verify_flow_info.
6397         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6398         (keep_stack_depressed): Likewise.
6399         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6400
6401 2005-08-31  Richard Henderson  <rth@redhat.com>
6402
6403         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6404         fp return matching.
6405
6406 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6407
6408         * expr.c (expand_expr_real_1): Compare size of address
6409         mode to target's address mode size in deciding expansion of
6410         the constant address.
6411
6412 2005-08-31  Richard Guenther  <rguenther@suse.de>
6413
6414         PR middle-end/23477
6415         * expr.c (all_zeros_p): New function.
6416         (expand_expr_real_1): Handle the case of an all-zero
6417         non-addressable constructor separately.
6418
6419 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6420
6421         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6422         arguments, adjust all callers.
6423         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6424
6425 2005-08-30  Richard Henderson  <rth@redhat.com>
6426
6427         PR target/23630
6428         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6429         whenever the mode sizes match.
6430
6431 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6432
6433         * calls.c (load_register_parameters): Fix comment typo.
6434         * expr.c (emit_push_insn): Comment formatting.
6435
6436 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6437
6438         * config/i386/x-cygwin (host-cygwin): Change dependency from
6439         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6440
6441 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6442
6443         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6444         parts of 'vals'.
6445
6446 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6447
6448         PR middle-end/23408
6449         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6450         call to ggc_collect.
6451
6452 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6453
6454         PR bootstrap/21268
6455         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6456         beginning.  Remove $(INCLUDES) from all the rules, if following
6457         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6458
6459 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6460
6461         PR middle-end/23484
6462         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6463         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6464         not constant, but maxlen is, don't set len to maxlen, rather
6465         set maxlen to len if len is a constant.
6466
6467 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6468
6469         PR tree-optimization/23475
6470         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6471         and counts.
6472
6473 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6474
6475         Fix PR middle-end/22455
6476
6477         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6478         Checksum only the parts of the tree that exist for the tree code.
6479
6480 2005-08-28  Dale Johannesen  <dalej@apple.com>
6481
6482         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6483
6484 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6485
6486         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6487
6488 2005-08-28  Richard Henderson  <rth@redhat.com>
6489
6490         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6491         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6492         of char_type_node.
6493
6494 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6495
6496         PR ada/23593
6497         * builtins.c (get_memory_rtx): Don't strip nops
6498         in between COMPONENT_REFs.
6499
6500 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6501
6502         PR middle-end/23463
6503         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6504         types.
6505         (gimplify_modify_expr): Check for zero sized types and gimplify the
6506         rhs and lhs as statements.
6507
6508 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6509
6510         PR libgcj/23508
6511         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6512         state for return address column of signal frames.
6513
6514 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6515
6516         PR target/23539
6517         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6518         bytes >= 2 not bytes == 2.
6519         (expand_block_move): Same.
6520
6521 2005-08-27  Richard Guenther  <rguenther@suse.de>
6522
6523         PR target/23575
6524         * config/i386/sse.md (sse2_movsd): Add missing closing
6525         braces.
6526
6527 2005-08-27  Paul Brook  <paul@codesourcery.com>
6528
6529         * genrecog.c (enum decision_type): Add DT_num_insns.
6530         (struct decision_test): Add u.num_insns.
6531         (add_to_sequence): Add DT_num_insns test.
6532         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6533         (write_cond, debug_decision_2): Ditto.
6534         (change_state): Assume peep2_next_insn never fails.
6535         Remove "afterward" argument.
6536         (write afterward, write_tree): Update to match.
6537         * recog.c (peep2_current_count): New variable.
6538         (peep2_next_insn): Check it.
6539         (peephole2_optimize): Set peep2_current_count.
6540         * recog.h (peep2_current_count): Declare.
6541
6542 2005-08-26  Josh Conner  <jconner@apple.com>
6543
6544         PR middle-end/23584
6545         * ipa-pure-const.c (check_tree): Check for volatile-ness
6546         when considering a dereference.
6547
6548 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6549
6550         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6551
6552 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6553
6554         PR rtl-optimization/23561
6555         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6556         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6557         at most LEN bytes long memory fits into the field.
6558         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6559         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6560         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6561
6562 2005-08-26  Richard Henderson  <rth@redhat.com>
6563
6564         PR rtl-opt/23560
6565         * loop.c (biased_biv_may_wrap_p): New.
6566         (maybe_eliminate_biv_1): Use it to suppress non-equality
6567         comparison transformations.  Delete disabled code.
6568
6569 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6570
6571         * combine.c (make_extraction): Avoid reference outside object.
6572
6573 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6574
6575         * stor-layout.c (finalize_type_size): Restore behaviour for
6576         non-aggregate types to the status quo ante of the patch for
6577         pr 23467.  Document why it matters.
6578
6579 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6580
6581         PR c/23506
6582         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6583         array by one element, initialize the BT_LAST element with NULL.
6584
6585 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6586
6587         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6588         optimizing for size.
6589         (plus_eqsi): Same.
6590         (compare_plus_eqsi): Same.
6591         (plus_eqsi_compare): Same.
6592         (neg_eq0<mode>): Same.
6593         (neg_eq<mode>): Same.
6594
6595         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6596         PROCESSOR_POWER4.
6597
6598 2005-08-26  Nick Clifton  <nickc@redhat.com>
6599
6600         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6601         TARGET_EP is not defined.
6602         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6603         TARGET_EP is enabled.
6604         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6605         * config/v850/v850.md (save_all_interrupt): Only use the EP
6606         register if TARGET_EP is defined.
6607         (restore_all_interrupt): Likewise.
6608         * config/v850/lib1funcs.asm: Update functions so that the EP
6609         register is only used if __EP__ is defined.
6610
6611 2005-08-26  David Ung  <davidu@mips.com>
6612
6613         * config/mips/mips.c (mips_expand_prologue): Handle case when
6614         generating for MIPS16 and the outgoing argument area is more than
6615         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6616         add instruction.
6617
6618 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6619
6620         * config/crx/crx.md: Make doloop_end pattern usage controllable
6621         via mloop-nesting=<max-nesting> command line switch. Make sure
6622         the combiner cannot use doloop_end_<mode> in an illegal way.
6623         * config/crx/crx.c: Use regs up to r6 for argument passing.
6624         Refine crx_address_cost (non cst4 displacements are expensive).
6625         * config/crx/crx.opt: Add switch for mloop-nesting=.
6626
6627 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6628
6629         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6630         (UNSPEC_MVST): New constant.
6631
6632 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6633
6634         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6635         Reject operands containing eliminable registers.
6636         * testsuite/gcc.dg/20050825-1.c: New testcase.
6637
6638 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6639             Jan Hubicka  <jh@suse.cz>
6640
6641         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6642
6643 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6644
6645         PR tree-optimization/23546
6646         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6647         and REAL_CST nodes.
6648
6649 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6650
6651         * params.def (PARAM_MIN_SPEC_PROB): New.
6652         * sched-rgn.c (MIN_PROBABILITY): Delete.
6653         (compute_trg_info): Convert to PARAM_VALUE.
6654         * doc/invoke.texi (param): Document min-spec-prob.
6655
6656 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6657
6658         * config/darwin.h: define __PIC__
6659         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6660         TARGET_OS_CPP_BUILTINS macro.
6661
6662 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6663
6664         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6665         yesterday.
6666
6667 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6668
6669         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6670         to duplicate_block.
6671         * cfghooks.c (duplicate_block): Added position where to place
6672         new block as argument.
6673         * cfghooks.h (duplicate_block): Declaration changed.
6674         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6675         duplicate_block.
6676         * cfglayout.h (copy_bbs): Declaration changed.
6677         * cfgloop.h (loop_version): Declaration changed.
6678         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6679         position to copy_bbs.
6680         (loop_version): Pass position to duplicate_loop_to_header_edge.
6681         Add place_after argument and position new blocks according to
6682         it.
6683         * modulo-sched.c (sms_schedule): Pass place_after argument
6684         to loop_version.
6685         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6686         * tree-cfg.c (split_edge_bb_loc): New function.
6687         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6688         to determine position of new blocks.
6689         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6690         to loop_version.
6691         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6692         argument to duplicate_block.
6693         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6694         Pass position to copy_bbs.
6695
6696 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6697
6698         * fold-const.c (ptr_difference_const): Use
6699         cst_and_fits_in_hwi instead of host_integerp.
6700
6701 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6702
6703         * config/darwin.c (gen_pic_offset): New.
6704         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6705         Use it.
6706
6707 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6708
6709         PR tree-optimization/23486
6710         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6711
6712 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6713
6714         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6715         remove use_collect2.
6716         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6717
6718         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6719         configuration files to override the default value.
6720
6721         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6722         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6723         * config/vx-common.h:  New file, split out from...
6724         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6725         * config/vxworksae.h:  New file, for VxWorks AE.
6726         * config/vxworks.opt:  New file.
6727         * config/vxlib.c:  Update for VxWorks 6.
6728
6729         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6730         other MULTILIB_* variables appropriately.
6731         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6732         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6733         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6734         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6735
6736 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6737
6738         PR target/20799
6739         * config/darwin.c (machopic_select_section): Remove the hack to
6740         mark "::operator new" and "::operator delete" for coalescing
6741         even though they are not weak.
6742
6743 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6744
6745         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6746         * configure: Regenerate.
6747
6748 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6749
6750         PR middle-end/23517
6751         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6752         between vectors.
6753         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6754         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6755         Likewise.
6756
6757 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6758
6759         * config/rs6000/predicates.md (equality_operator): New.
6760         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6761         comparison with a large constant.
6762
6763 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6764
6765         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6766
6767 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6768
6769         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6770         registers is even, and we have a hardware double precision fp,
6771         align the buffer.
6772         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6773         size of current argument when checking if argument was passed in
6774         registers.
6775
6776         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6777
6778         PR middle-end/23467
6779         * stor-layout.c (finalize_type_size): Dont override
6780         existing alignment with a smaller alignment from the mode.
6781
6782 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6783
6784         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6785         * lambda.h (lambda_vector_lexico_pos): ... here.
6786         * tree-data-ref.c (build_classic_dist_vector): Return false when
6787         the distance vector is lexicographically negative.
6788
6789 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6790
6791         PR tree-optimization/23511
6792         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6793         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6794
6795 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6796
6797         PR tree-optimization/22043
6798         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6799         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6800         If ALLOW_FLEXARR, handle types ending with flexible array member.
6801         Pass false as second argument to recursive count_type_elements calls.
6802         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6803         argument to count_type_elements call.
6804         * tree-sra.c (decide_block_copy): Likewise.
6805         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6806         for a constant-sized object, set cleared as well.  Pass true as
6807         second argument to count_type_elements call.
6808
6809 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6810
6811         PR target/21571
6812         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6813         from legitimate_small_data_p, and make global.  Update use.
6814         Remove forward declaration.
6815         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6816         Declare.
6817         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6818
6819 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6820
6821         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6822         of scratch intermediates.
6823         (eq<mode>_compare): Same.
6824         (neg_eq0<mode>): New.
6825         (neg_eq<mode>): Convert to define_insn_and_split.
6826
6827 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6828
6829         PR target/23070
6830         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6831         stdarg functions, set/clear the fp marker even when no variable
6832         args are passed.
6833         * config/rs6000/sysv4.opt (mprototype): Describe.
6834
6835 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6836
6837         PR rtl-optimization/23478
6838         * regs.h (reg_info): Add throw_calls_crossed.
6839         (REG_N_THROWING_CALLS_CROSSED): Define.
6840         * flow.c (allocate_reg_life_data): Initialize
6841         REG_N_THROWING_CALLS_CROSSED.
6842         (propagate_one_insn, attempt_auto_inc): Update
6843         REG_N_THROWING_CALLS_CROSSED.
6844         * global.c (global_alloc): Don't allocate pseudos across
6845         calls that may throw.
6846
6847 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6848
6849         PR c/18715
6850         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6851         value is inbetween the range if we did not find an exact match.
6852
6853 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6854
6855         * doc/invoke.texi (Option Summary): Add ms1 options.
6856         * doc/extend.texi: Document interrupt handler attribute for ms1.
6857         * doc/md.texi: Document ms1 constraints.
6858         * config.gcc: Add ms1-*-elf.
6859         * config/ms1/ms1.h: New.
6860         * config/ms1/ms1.c: New.
6861         * config/ms1/ms1.md: New.
6862         * config/ms1/ms1-protos.h: New.
6863         * config/ms1/ABI.txt: New.
6864         * config/ms1/crti.asm: New.
6865         * config/ms1/crtn.asm: New.
6866         * config/ms1/lib2extra-funcs.c: New.
6867         * config/ms1/t-ms1: New.
6868         * config/ms1/ms1.opt: New.
6869
6870 2005-08-22 Ira Rosen <irar@il.ibm.com>
6871
6872         * config/rs6000/altivec.md (xorv4sf3): New.
6873         (negv4sf2, neg<mode>2): Likewise.
6874
6875 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6876
6877         PR target/23485
6878         * config/ia64/ia64.md (divsi3): Check divide by zero.
6879         (udivsi3): Likewise.
6880         (divdi3): Likewise.
6881         (udivdi3): Likewise.
6882
6883 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6884
6885         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6886         up to elem_bitsize bits, not max_bitsize.
6887
6888 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6889
6890         PR tree-optimization/23433
6891         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6892         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6893
6894 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6895
6896         PR tree-optimization/23434
6897         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6898         the iteration bound is not an INTEGER_CST.
6899
6900 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6901
6902         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6903         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6904         NULL if need_epilog_adjust is false.
6905         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6906         Case 3 always peels first itration, not just for PLUS case, and no need
6907         to use scalar_initial_def here. Create an epilog adjustment only if
6908         scalar_initial_def is not NULL.
6909
6910         (vectorizable_reduction): Remove assert.
6911
6912 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6913
6914         PR target/23485
6915         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6916         (__moddi3): Likewise.
6917         (__udivdi3): Likewise.
6918         (__umoddi3): Likewise.
6919         (__divsi3): Likewise.
6920         (__modsi3): Likewise.
6921         (__udivsi3): Likewise.
6922         (__umodsi3): Likewise.
6923
6924 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6925
6926         * tree-pass.h (TDF_GRAPH): Define.
6927         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6928         * passes.c (finish_optimization_passes): Only call
6929         finish_graph_dump_file if TDF_GRAPH is set.
6930         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6931         NULL.  Set TDF_GRAPH bit.
6932         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6933
6934 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6935
6936         * arm.h (arm_stack_offsets): Add locals_base field.
6937         * arm.c (arm_get_frame_offsets): Compute it.
6938         (thumb_compute_initial_elimination offset): Make the Thumb frame
6939         pointer point to the base of the local variables.
6940         (thumb_expand_prologue): Update accordingly.
6941         (thumb_expand_epilogue): Likewise.
6942
6943         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6944         mode of clobbered scratch to DImode.  Handle a case that's known to
6945         need this.
6946
6947 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6948
6949         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6950         (gt0<mode>_compare): Delete.
6951         (neg_gt0<mode>): Delete.
6952
6953 2005-08-19  Eric Christopher  <echristo@apple.com>
6954
6955         * optabs.h: Change CTI_ to COI_.
6956         * optabs.c: Ditto.
6957
6958 2005-08-19  James E Wilson  <wilson@specifix.com>
6959
6960         * builtins.c (expand_builtin_return_addr): Set
6961         current_function_accesses_prior_frames when count != 0.  Use
6962         frame_pointer_rtx when count == 0.
6963         * function.h (struct function): Add accesses_prior_frames field.
6964         (current_function_accesses_prior_frames): Define.
6965         * reload1.c (init_elim_table): Check
6966         current_function_accesses_prior_frames.
6967         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6968
6969 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6970
6971         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6972         indicator.  Return true if the flowgraph changed during
6973         cleanup.
6974
6975 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6976
6977         PR 23476
6978         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6979         conditional expression before testing its value.
6980
6981 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6982
6983         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6984
6985 2005-08-19  Devang Patel  <dpatel@apple.com>
6986
6987         PR tree-optimization/23048
6988         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6989         third parameter. Check whether latch is dominated by exit
6990         block or not.
6991         (if_convertible_loop_p): Supply exit block itself to
6992         if_convertible_bb_p.
6993
6994 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6995
6996         PR target/23473
6997         * arm.md (arm_load_pic_register): Change argument to the mask of
6998         saved registers.  Call thumb_find_work_register if we need a
6999         scratch register on Thumb.
7000         (arm_expand_prologue): Pass empty register set to
7001         arm_load_pic_register.
7002         (thumb_expand_prologue): Pass live_regs_mask directly to
7003         arm_load_pic_register.
7004         * arm-protos.h (arm_load_pic_register): Update prototype.
7005
7006 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7007
7008         * sh.c (find_sole_member): New function.
7009         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7010         if the record's alignment is larger than the size of its only member.
7011
7012 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7013
7014         PR target/23436
7015         * arm.c (thumb_legitimize_reload_address): New function.
7016         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7017         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7018
7019 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7020
7021         * config/crx/crx.c: Implement crx_decompose_address. Reject
7022         symbolic displacements since CRX register relative adressing
7023         mode can't handle unsigned 32-bit values as displacements.
7024         * config/crx/crx.h: Simplify definitions, remove redundant
7025         parenthesis and obsolete macros.
7026         * config/crx/crx.opt: Add new switch for debugging addresses.
7027         * config/crx/crx-protos.h: Add new declarations for above.
7028
7029 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7030
7031         PR middle-end/20624
7032         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7033         looking past it.
7034
7035 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7036
7037         * collect2.c (dup2): Delete.
7038         * configure.ac: Don't check for dup2.
7039
7040         * config.in, configure: Regenerate.
7041
7042 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7043
7044         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7045         record with the type of its only member.
7046
7047 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7048
7049         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7050         define_insn_and_split.
7051         (plus_ltu<mode>_compare): Same.
7052         (gtu<mode>_compare): Same.
7053         (plus_gtu<mode>_compare): Same.
7054
7055 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7056
7057         PR tree-optimization/22228
7058         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7059         todo_flags_start.
7060         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7061         are recorded in vect_vnames_to_rename for renaming.
7062         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7063         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7064         in vect_vnames_to_rename.
7065         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7066         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7067
7068 2005-08-18  Jan Hubicka  <jh@suse.cz>
7069
7070         PR c++/22034
7071         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7072         info only for local statics, not for member variables.
7073
7074 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7075
7076         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7077
7078 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7079
7080         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7081
7082 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7083
7084         PR middle-end/16045
7085         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7086
7087 2005-08-17  James E Wilson  <wilson@specifix.com>
7088
7089         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7090         array size check.
7091
7092 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7093
7094         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7095         (leu<mode>_compare): Same.
7096         (plus_leu<mode>): Same.
7097         (neg_leu<mode>): Same.
7098         (and_neg_leu<mode): Same.
7099         (ltu<mode>_compare): Same.
7100         (plus_ltu<mode>): Same.
7101         (geu<mode>): Same.
7102         (geu<mode>_compare): Same.
7103         (plus_geu<mode>): Same.
7104         (neg_geu<mode>): Same.
7105         (and_neg_geu<mode>): Same.
7106         (plus_gt<mode>): Same.
7107         (gtu<mode>_compare): Same.
7108         (plus_gtu<mode>): Same.
7109
7110 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7111
7112         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7113         Move call_table_data to end.  Delete spurious .text.
7114         (callt_save_all_interrupt): Fix comment typo.
7115
7116 2005-08-17  James E Wilson  <wilson@specifix.com>
7117             Kevin Winchester  <winchester@amirix.com>
7118
7119         PR target/21684
7120         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7121
7122 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7123
7124         PR target/23268
7125         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7126         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7127
7128 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7129
7130         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7131         record with the type of its only member if the modes don't match.
7132
7133         * varasm.c (decode_reg_name): Skip empty additional register names.
7134
7135 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7136
7137         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7138         lsm_tmp_name_length): New.
7139         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7140         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7141
7142 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7143             Andreas Krebbel  <krebbel1@de.ibm.com>
7144
7145         * config.gcc: Added z9-109 switch.
7146         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7147         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7148         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7149         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7150         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7151         for "z9_109" cpu attribute.
7152         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7153         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7154         (s390_handle_arch_option): Added z9-109 switch.
7155         (override_options): Set respective cost function for z9-109.
7156         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7157         (legitimate_reload_constant_p): Accept extended immediates.
7158         (print_operand): Three new output modifiers added: k, m and o.
7159         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7160         (s390_output_mi_thunk): Use extended immediate when possible.
7161         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7162         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7163         (CONSTRAINT_LEN): Added length of O constraint.
7164         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7165         * config/s390/s390.md ("cpu"): New value z9_109 added.
7166         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7167         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7168         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7169         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7170         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7171         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7172         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7173         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7174         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7175         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7176         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7177         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7178         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7179         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7180         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7181         immediates.
7182         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7183         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7184         insns for TARGET_EXTIMM.
7185
7186 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7187
7188         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7189
7190 2005-08-17  Nick Clifton  <nickc@redhat.com>
7191
7192         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7193         Call default_encode_section_info.
7194
7195 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7196
7197         PR tree-optimization/21574
7198         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7199         constant, return CONSTANT.
7200         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7201         (ccp_fold, visit_assignment): Likewise.
7202         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7203
7204 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7205
7206         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7207         fold_buildN instead of buildN then fold_initializer or fold.
7208         (build_unary_op): Likewise.
7209         (build_binary_op): Likewise.
7210         * fold-const.c (fold_initializer): Remove.
7211         (fold_build1_initializer): New function.
7212         (fold_build2_initializer): New function.
7213         (fold_build3_initializer): New function.
7214         * tree.h (fold_initializer): Remove.
7215         (fold_build1_initializer): New function.
7216         (fold_build2_initializer): New function.
7217         (fold_build3_initializer): New function.
7218
7219 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7220
7221         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7222         (try_move_mult_to_index): Call fold_build2 instead of build2.
7223         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7224         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7225         fold_binary_to_constant.
7226         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7227         fold (build.
7228         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7229         check if A == gcd (A, B).  Remove TYPE argument.
7230         (analyze_offset) Use fold_build2 instead of fold (build.
7231         (create_data_ref): Likewise.
7232         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7233         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7234         then fold.
7235
7236 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7237
7238         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7239         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7240
7241 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7242
7243         PR tree-opt/23402
7244         * gimplify.c (zero_sized_type): New function.
7245         (gimplify_modify_expr_rhs): If we have a zero sized type,
7246         replace the statement with an empty statement.
7247
7248 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7249
7250         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7251         fxsave.
7252
7253 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7254
7255         * doc/tm.texi (Label Output): Correct typo.
7256
7257 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7258
7259         PR target/23376
7260         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7261         force_operand will work later on using have_insn_for.
7262
7263 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7264
7265         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7266
7267 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7268
7269         PR c++/23337
7270         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7271         vector type, don't try to construct it element by element.  Add an
7272         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7273
7274 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7275
7276         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7277
7278 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7279
7280         * doc/invoke.texi (Precompiled Headers): Document some more options
7281         which are known to be safe.
7282
7283 2005-08-16  James E Wilson  <wilson@specifix.com>
7284
7285         PR tree-optimization/21105
7286         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7287         TREE_OVERFLOW check.
7288
7289 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7290
7291         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7292         (neg_ltu<mode>): Same.
7293         (gtu<mode>): Same.
7294         (neg_gtu<mode>): Same.
7295
7296 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7297
7298         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7299         (fold_builtin_isdigit): Use fold_buildN.
7300         (build_function_call_expr): Likewise.
7301         * c-typeck.c (c_finish_loop): Likewise.
7302
7303 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7304             Richard Shann <rshann@superh.com>
7305
7306         PR middle-end/20396:
7307         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7308
7309 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7310
7311         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7312
7313 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7314
7315         PR target/23355
7316         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7317         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7318         must be saved.
7319
7320 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7321
7322         PR middle-end/23369
7323         * fold-const.c (build_range_check): Disable optimization for function
7324         pointer expressions on targets that require function pointer
7325         canonicalization.
7326
7327 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7328
7329         * simplify-rtx.c (simplify_const_relational_operation): When
7330         extracting arguments of a COMPARE, recompute the mode as well.
7331
7332 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7333
7334         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7335
7336 2005-08-15  DJ Delorie  <dj@redhat.com>
7337
7338         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7339         the stack.
7340         (movsi_splittable): Allow, but split, moves to the stack.
7341         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7342         stack.
7343
7344 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7345
7346         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7347         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7348         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7349
7350         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7351         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7352         Delete HOST_PTR_PRINTF.
7353
7354         * configure, config.in: Regenerate.
7355
7356 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7357
7358         * config/rs6000/rs6000.md (QHSI): New mode macro.
7359         (wd): Extend mode attr for QImode and HImode
7360         (dbits): New mode attr.
7361         (zero_extend<mode>di2): Convert to mode macro.
7362
7363 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7364
7365         PR target/21841
7366         * doc/invoke.texi (-mgnu-ld): Update description.
7367         (-mhp-ld): Ditto.
7368
7369 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7370
7371         PR 23391
7372         * Makefile.in (tree-chrec.o): Depends on real.h.
7373         * tree-chrec.c: Include real.h.
7374         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7375         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7376         * tree-scalar-evolution.c (add_to_evolution_1,
7377         interpret_rhs_modify_expr): Ditto.
7378
7379 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7380
7381         PR 23386
7382         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7383         step is negative compute the estimation from init downwards to zero.
7384
7385 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7386
7387         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7388
7389 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7390
7391         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7392         constraint.
7393         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7394         Accept double-word constants that can be split.
7395         * config/s390/s390.md ("movti"): Use 'P' constraint.
7396         ("*movdi_31", "*movdf_31"): Likewise.
7397
7398 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7399
7400         Fix PR tree-optimization/22615
7401
7402         * tree-ssa-structalias.c (solution_set_add): Handle
7403         first_vi_for_offset returning NULL.
7404         (do_da_constraint): Ditto.
7405         (do_sd_constraint): Ditto.
7406         (do_ds_constraint): Ditto
7407         (find_func_aliases): Ditto.
7408         (build_constraint_graph): RHS is allowed be ANYTHING.
7409         (first_vi_for_offset): Return NULL if we couldn't find anything at
7410         the offset.
7411
7412 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7413
7414         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7415         over memory as first operand.
7416
7417 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7418
7419         PR target/23360
7420         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7421         available for setting it.
7422
7423 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7424
7425         PR tree-optimization/23320
7426         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7427         data-refs' types instead of base object nullness. Add check for
7428         pointer type data-refs before first location comparison. Remove
7429         assert.
7430
7431 2005-08-14  Andreas Schwab  <schwab@suse.de>
7432
7433         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7434
7435 2005-08-13  James E Wilson  <wilson@specifix.com>
7436
7437         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7438         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7439         -fstack-protector-all, --param ssp-buffer-size): Document.
7440         (-Wvariadic-macros): Alphabetize.
7441         (-fsched-stalled-insns-dep): Add missing 'f'.
7442
7443         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7444         macros.
7445
7446 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7447
7448         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7449         or indirect address operand.
7450         (EXTRA_ADDRESS_CONSTRAINT): New.
7451         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7452
7453 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7454
7455         PR tree-optimization/22236
7456         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7457         successors and predecessors.
7458         * tree-chrec.c (chrec_convert): Before converting, check that
7459         sequences don't wrap.
7460         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7461         (analyze_array): Extern.
7462         (find_data_references_in_loop): Remove call to
7463         compute_estimated_nb_iterations.
7464         * tree-data-ref.h (analyze_array): Declared.
7465         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7466         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7467         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7468         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7469         condition.
7470         * tree-ssa-loop-ivcanon.c: Fix documentation.
7471         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7472         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7473         (infer_loop_bounds_from_undefined): New.
7474         (estimate_numbers_of_iterations_loop): Use
7475         infer_loop_bounds_from_undefined.
7476         (used_in_pointer_arithmetic_p): New.
7477         (scev_probably_wraps_p): Pass an extra parameter.  Call
7478         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7479         (convert_step): Fix documentation.
7480         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7481         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7482         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7483         scev_probably_wraps_p.
7484
7485 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7486
7487         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7488         (s390_register_info): Ignore clobbered_regs information for fixed
7489         registers, and only fixed registers.
7490         (s390_init_frame_layout): Remove redundant call.
7491
7492 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7493
7494         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7495         description of -Wold-style-casts.
7496
7497 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7498             Jakub Jelinek  <jakub@redhat.com>
7499
7500         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7501         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7502         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7503         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7504         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7505         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7506         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7507         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7508         ("stack_protect_set", "stack_protect_test"): New expanders.
7509         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7510         "stack_protect_testdi"): New insn definitions.
7511
7512 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7513
7514         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7515
7516 2005-08-12  Paul Brook  <paul@codesourcery.com>
7517
7518         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7519
7520 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7521
7522         * config/s390/predicates.md (setmem_operand): New predicate.
7523         (shift_count_operand): Accept ANDs with special constants as
7524         operand.
7525         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7526         with special constants.
7527         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7528         shift_count_operand with setmem_operand.
7529
7530 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7531
7532         * config/s390/s390.c (s390_extract_part, s390_single_part):
7533         Type cast added.
7534         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7535         (s390_output_mi_thunk): Don't use lg on 31 bit.
7536         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7537         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7538
7539 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7540
7541         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7542         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7543         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7544         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7545         with one of the new macros.
7546
7547 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7548
7549         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7550         Don't set save_return_addr_p.
7551         (s390_register_info): Make clobbered_regs not depending on
7552         save_return_addr_p.
7553
7554 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7555
7556         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7557         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7558
7559 2005-08-11  James E. Wilson  <wilson@specifix.com>
7560
7561         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7562
7563 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7564
7565         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7566         locations gathered by var-tracking in single entry loc_list
7567         over loc_descriptor_from_tree.
7568
7569         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7570         pass it down to loc_descriptor.
7571         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7572         (containing_function_has_frame_base): Move earlier in the file.
7573         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7574         instead of always assuming fbreg can't be used.
7575
7576 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7577
7578         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7579         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7580         Accept address wrapped in AND for Altivec.
7581         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7582         Strip AND wrapping offset address for Altivec.
7583
7584 2005-08-11  Richard Henderson  <rth@redhat.com>
7585
7586         PR middle-end/23312
7587         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7588         before using TYPE_IS_SIZETYPE.
7589
7590 2005-08-11  Richard Henderson  <rth@redhat.com>
7591
7592         PR target/22225
7593         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7594         insn types not present on ev4.
7595         (alphaev5_insn_pipe): Similarly.
7596
7597 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7598
7599         PR target/23250
7600         * arm.c (arm_override_options): If the user has selected callee-super-
7601         interworking, then enable normal interworking.
7602
7603 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7604
7605         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7606         redefinition.
7607
7608 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7609
7610         * doc/rtl.texi: Fix two typos.
7611
7612 2005-08-11  Richard Guenther  <rguenther@suse.de>
7613
7614         PR target/23289
7615         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7616         cases where we call to/from functions returning void.
7617
7618 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7619
7620         PR c++/23225
7621         * tree.c (build_pointer_type_for_mode): Robustify.
7622
7623 2005-08-10  James E Wilson  <wilson@specifix.com>
7624
7625         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7626         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7627
7628         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7629         "cum->".
7630
7631 2005-08-10  Eric Christopher  <echristo@apple.com>
7632
7633         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7634         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7635         V2DFmode.
7636
7637 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7638
7639         PR target/21887
7640         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7641         for the high part when generating dynamic-no-pic code.
7642
7643 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7644
7645         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7646         (x86_64-*-linux*): Likewise.
7647
7648         * config/i386/crtfastmath.c: New file.
7649         * config/i386/t-crtfm: Likewise.
7650
7651         * config/i386/linux.h (ENDFILE_SPEC): New.
7652         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7653
7654         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7655         crtfastmath.o.
7656
7657 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7658
7659         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7660         (vec_shl, vec_shr): Document new operations.
7661         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7662
7663 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7664
7665         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7666         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7667         change predicate to indexed_or_indirect_address.
7668
7669 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7670
7671         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7672         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7673         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7674         and __aeabi_uwrite8.
7675         * config/arm/unaligned-funcs.c: New file.
7676         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7677
7678 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7679
7680         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7681         Add dump.
7682         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7683         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7684         Add dump.
7685         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7686         * final.c (pass_shorten_branches): Add dump.
7687         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7688         (pass_life): Rename dump.
7689         (rest_of_handle_flow2): Remove initial verify_flow_info.
7690         * function.c (pass_instantiate_virtual_regs): Add dump.
7691         * integrate.c (pass_initial_value_sets): Add dump.
7692         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7693         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7694         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7695         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7696         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7697         gate_rtl_unrool_and_peel_loops): New.
7698         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7699         rtl_doloop): Do not look at flags.
7700         * mode-switching.c (pass_mode_switching): Add dump.
7701         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7702         pass_split_before_regstack): Add dump.
7703         * regmove.c (pass_stack_adjustments): Add dump.
7704         * tree-optimize.c (pass_fixup_cfg): Add dump.
7705
7706 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7707
7708         PR 23309
7709         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7710         deciding which instruction sequence to use.
7711
7712 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7713
7714         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7715         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7716
7717 2005-08-09  Richard Guenther  <rguenther@suse.de>
7718
7719         * c-common.c (builtin_function_2): Remove.
7720         (def_builtin_1): New function.
7721         (c_common_nodes_and_builtins): Use def_builtin_1 to
7722         build builtin functions.
7723
7724 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7725
7726         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7727         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7728         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7729         Visual DSP.
7730
7731 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7732
7733         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7734         fold_binary instead of fold_build2 since we don't care about the
7735         resulting tree.
7736         (loop_niter_by_eval): Likewise.
7737         (compare_trees): Likewise.
7738         (proved_non_wrapping_p): Likewise.
7739
7740 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7741
7742         PR c/23161
7743         PR c/23165
7744         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7745         if the if is really empty.
7746
7747 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7748
7749         PR tree-optimization/23234
7750         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7751         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7752         argument of the new enum.
7753         (execute_cse_reciprocals): Add reciprocals for function arguments
7754         on the unique successor edge of the entry block.  Update other calls
7755         to execute_cse_reciprocals_1.
7756
7757 2005-08-08  Richard Henderson  <rth@redhat.com>
7758
7759         PR 22439
7760         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7761
7762 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7763
7764         * expr.c (write_complex_part): Return after handling MEM.
7765
7766 2005-08-08  Josh Conner  <jconner@apple.com>
7767
7768         PR rtl-optimization/23241
7769         * combine.c (simplify_comparison): Fix error in determining
7770         whether to lift a subreg from comparison.
7771
7772 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7773
7774         PR target/18506
7775         * config/rs6000/altivec.md (vec_init<mode>): New.
7776         (vec_set<mode>): New.
7777         (vec_extract<mode>): New.
7778         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7779         (rs6000_expand_vector_set): New.
7780         (rs6000_expand_vector_extract): New.
7781         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7782         for Altivec modes before reload.
7783         (altivec_expand_vec_init_builtin): New.
7784         (get_element_number): New.
7785         (altivec_expand_vec_set_builtin): New.
7786         (altivec_expand_vec_ext_builtin): New.
7787         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7788         builtins.
7789         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7790         builtins.
7791         * config/rs6000/rs6000.h (rs6000_builtins): Add
7792         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7793         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7794         * config/rs6000/rs6000-protos.h: Declare new functions.
7795
7796 2005-08-08  Jan Hubicka  <jh@suse.cz>
7797
7798         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7799         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7800         * i386.md (movdi*): Use pic_32bit_operand.
7801         * predicates.md (pic_32bit_operand): New.
7802
7803 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7804
7805         PR c++/21166
7806         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7807
7808 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7809
7810         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7811         (test_for_singularity): Use fold_build2.
7812
7813 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7814
7815         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7816
7817 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7818
7819         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7820         (COMMON_ASM_OP) Define.
7821         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7822         (ix86_encode_section_info): Likewise.
7823         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7824         SUBTARGET_ENCODE_SECTION_INFO.
7825
7826 2005-08-06  Richard Henderson  <rth@redhat.com>
7827
7828         PR 21894
7829         * tree-nested.c (convert_local_reference): Save and restore val_only
7830         around component_ref and friends.  Clear walk_subtrees by default.
7831
7832 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7833
7834         PR 21366
7835         * gcc.c (process_command): Check the argument to -b has a dash.
7836         * doc/invoke.texi: Update -b and -V docs.
7837
7838 2005-08-06  James E Wilson  <wilson@specifix.com>
7839
7840         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7841
7842 2005-08-06  Michael Matz  <matz@suse.de>
7843
7844         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7845         member only if only one insn is associated with the value.
7846
7847 2005-08-06  Nick Clifton  <nickc@redhat.com>
7848
7849         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7850         New define.
7851         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7852         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7853         Check symbol flags instead of symbol name mangling.
7854         (xstormy16_asm_output_aligned_common): Likewise.  Also
7855         simplify code since the bss100_section cass is the only case
7856         where the below100 code will be triggered.
7857         (xstormy16_encode_section_info): Encode below100 attribute
7858         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7859         the name.
7860         (xstormy16_strip_name_encoding): Delete - this function is no
7861         longer needed.
7862         (TARGET_STRIP_NAME_ENCODING): Undefine.
7863         * config/stormy16/stormy16-protos.h: Delete prototype for
7864         xstormy16_strip_name_encoding.
7865
7866 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7867
7868         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7869         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7870         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7871         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7872         config/alpha/predicates.md, config/arc/arc.h,
7873         config/arm/arm.h, config/arm/ieee754-df.S,
7874         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7875         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7876         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7877         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7878         config/m68hc11/m68hc11.h, config/mips/mips.c,
7879         config/mips/mips.h, config/mips/openbsd.h,
7880         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7881         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7882         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7883         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7884         config/sparc/linux.h, config/sparc/linux64.h,
7885         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7886         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7887         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7888         typos.  Follow spelling conventions.
7889
7890 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7891
7892         PR c/23113
7893         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7894         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7895         specially.  Check for side effects only for COND_EXPR.
7896         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7897         return with TREE_NO_WARNING.
7898
7899 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7900
7901         PR rtl-optimization/23233
7902         * loop.c (combine_movables): Require the modes to be the same.
7903         (move_movables): Remove handling of cases where the replacement
7904         had a different mode to the original.
7905
7906 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7907
7908         PR tree-optimization/23128
7909         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7910         subtraction wrap, and set TREE_OVERFLOW if they do.
7911
7912 2005-08-05  Richard Henderson  <rth@redhat.com>
7913
7914         PR 21728
7915         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7916         FORCED_LABEL labels.
7917
7918 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7919
7920         PR middle-end/23135
7921         * reload.c (find_reloads_subreg_address): Pass down TYPE
7922         unchanged.  Change all callers except find_reloads_toplev.
7923
7924 2005-08-05  Michael Matz  <matz@suse.de>
7925
7926         * genattrtab.c (current_alternative_string): Remove.
7927         (SIMPLIFY_ALTERNATIVE): Ditto.
7928         (attr_alt_bit_p): Ditto.
7929         (alternative_name): Make const char *.
7930         (evaluate_eq_attr): Remove use of above things.
7931         (simplify_test_exp): Ditto.
7932         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7933         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7934
7935 2005-08-04  James E Wilson  <wilson@specifix.com>
7936
7937         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7938         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7939         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7940         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7941         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7942
7943 2005-08-04  Richard Henderson  <rth@redhat.com>
7944
7945         PR 21529
7946         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7947         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7948         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7949         if we'd have to instantiate too many members.
7950
7951 2005-08-04  Richard Henderson  <rth@redhat.com>
7952
7953         PR 21291
7954         * tree-outof-ssa.c (coalesce_asm_operands): New.
7955         (coalesce_ssa_name): Use it.  Split out ...
7956         (coalesce_phi_operands, coalesce_result_decls): ... these.
7957
7958 2005-08-04  Paul Brook  <paul@codesourcery.com>
7959
7960         * read-rtl.c (read_quoted_string): Break if EOF.
7961
7962 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7963
7964         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7965         (fold_build2): Likewise.
7966         (fold_build3): Likewise.
7967         (fold_build1_stat): New function prototype.
7968         (fold_build2_stat): Likewise.
7969         (fold_build3_stat): Likewise.
7970         * fold-const.c (fold_build1): Rename to ..
7971         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7972         through to build1_stat.
7973         (fold_build2): Rename to ..
7974         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7975         through to build2_stat.
7976         (fold_build3): Rename to ..
7977         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7978         through to build3_stat.
7979
7980 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7981             Ian Lance Taylor  <ian@airs.com>
7982
7983         * function.c (assign_stack_local_1): Do not correct stack slot
7984         address if allocation size is smaller than mode size.
7985
7986 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7987
7988         PR 22037
7989         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7990         (tree_merge_blocks): Propagate anything allowed by
7991         may_propagate_copy.
7992         Clarify documentation.
7993         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7994         SSA form, schedule an update if necessary.
7995
7996 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7997
7998         * doc/install.texi (Binaries): Remove broken link to
7999         Sinix/Reliant Unix binaries.
8000
8001 2005-08-03  Richard Henderson  <rth@redhat.com>
8002
8003         PR 23221
8004         * function.c (stack_protect_epilogue): Export.
8005         * tree.h (stack_protect_epilogue): Declare.
8006         * calls.c (expand_call): Call it.
8007
8008 2005-08-03  Eric Christopher  <echristo@apple.com>
8009
8010         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8011         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8012         spec.
8013
8014 2005-08-04  Jan Hubicka  <jh@suse.cz>
8015
8016         * profile.c (branch_prob): Split edges with goto locus on them
8017         to get proper line counts.
8018         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8019
8020 2005-08-03  Paul Brook  <paul@codesourcery.com>
8021
8022         * function.c (assign_parms): Round current_function_args_size
8023         to PARM_BOUNDARY, not STACK_BOUNDARY.
8024
8025 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8026
8027         * config/i386/i386.c (x86_elf_aligned_common)
8028         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8029
8030 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8031
8032         PR tree-optimization/23157
8033         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8034         before emitting them.
8035
8036 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8037
8038         PR tree-optimization/19899
8039         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8040         * tree-scalar-evolution.c: Include real.h.
8041         (add_to_evolution): Build constant -1 of correct type.
8042
8043 2005-08-03  Jan Hubicka  <jh@suse.cz>
8044
8045         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8046         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8047         profile updating for complette unrolling.
8048         * loop-unroll.c (peel_loop_completely): Use it.
8049         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8050         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8051         loops.
8052
8053 2005-08-03  Paul Brook  <paul@codesourcery.com>
8054
8055         * combine.c (can_change_dest_mode): New function.
8056         (try_combine, simplify_set): Use it.
8057
8058 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8059
8060         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8061         TFmode to BLKmode.
8062
8063 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8064
8065         * doc/install.texi (Specific): Adjust link to openavr.org.
8066         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8067         (Binaries): Adjust HP-UX Porting Center link.
8068         (Binaries): Adjust Free Software Foundation ordering link.
8069
8070 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8071
8072         * convert.c (convert_to_integer): Use fold_build1 instead of
8073         build1 when converting an integer to an integer.
8074
8075 2005-08-02  Richard Henderson  <rth@redhat.com>
8076
8077         * combine.c (combine_instructions): Don't use reg_equal/equiv
8078         results if the mode doesn't match.
8079
8080 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8081
8082         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8083         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8084
8085 2005-08-02  Richard Henderson  <rth@redhat.com>
8086
8087         PR 23196
8088         * explow.c (memory_address): Remove special-case for
8089         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8090
8091 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8092
8093         PR 23164
8094         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8095         number of calls to cleanup_tree_cfg_1.
8096
8097 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8098
8099         * doc/invoke.texi: document file extensions .F90 and .F95
8100
8101 2005-08-02  Richard Guenther  <rguenther@suse.de>
8102
8103         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8104         positive if its first argument is positive.
8105
8106 2005-08-02  Richard Guenther  <rguenther@suse.de>
8107
8108         PR tree-optimization/23177
8109         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8110         on TMR_TAG.
8111
8112 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8113
8114         PR tree-optimization/23129
8115         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8116         varying for divisions with anti-ranges.
8117
8118 2005-08-02  Jan Hubicka  <jh@suse.cz>
8119
8120         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8121         * tree-ssa-threadupdate.c (thread_block): Add it here.
8122
8123 2005-08-01  James E Wilson  <wilson@specifix.com>
8124
8125         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8126         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8127         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8128         New.
8129         * config/mips/predicates.md (const_call_insn_operand): Add check for
8130         SYMBOL_REF_LONG_CALL_P.
8131         * doc/extend.texi (long_call): Document the new attribute.
8132
8133 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8134             Richard Henderson  <rth@redhat.com>
8135
8136         * Makefile.in (RTL_BASE_H): Add real.h.
8137         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8138         instead of memcpy.
8139         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8140         directly.
8141         * rtl.c (rtl_check_failed_code_mode): New.
8142         * rtl.h (struct rtx_def): Add u.rv.
8143         (XCMWINT, XCNMPRV): New.
8144         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8145         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8146
8147 2005-08-01  Richard Henderson  <rth@redhat.com>
8148
8149         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8150         with auto-inc codes.
8151
8152         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8153
8154 2005-08-01  Jan Hubicka  <jh@suse.cz>
8155
8156         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8157         * i386.c: Include dwarf2.h
8158         (asm_preferred_eh_data_format): New.
8159         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8160
8161 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8162
8163         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8164         randomize_va_space for virtual address randomization control.
8165
8166 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8167
8168         * common.opt (flag_ipa_cp): Put in right place to maintain
8169         alphabetic sort.
8170
8171 2005-08-01  Jan Hubicka  <jh@suse.cz>
8172
8173         * profile.c (compute_value_histograms): Fix thinko.
8174         * value-prof.c: Include toplev.h
8175         (check_counter): New function.
8176         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8177         tree_mod_subtract_transform): Add sanity check.
8178
8179 2005-08-01  Richard Guenther  <rguenther@suse.de>
8180
8181         PR tree-optimization/23133
8182         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8183         current functions parameter decls to find defs to cse
8184         reciprocals of.
8185
8186 2005-08-01  Richard Guenther  <rguenther@suse.de>
8187
8188         PR tree-optimization/23109
8189         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8190         If trapping math is in effect, use post-dominator information
8191         to check if we'd in any case reach a trapping point before
8192         doing the reciprocal insertion.
8193         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8194         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8195         expressions are invariant only if trapping math is not in effect.
8196
8197 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8198
8199         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8200         cgraph_function_versioning): New declarations.
8201         * cgraphunit.c: Add include to ipa-prop.h.
8202         (update_call_expr, cgraph_copy_node_for_versioning,
8203         cgraph_function_versioning): New functions.
8204         * integrate.c (copy_decl_for_inlining): Remove.
8205         * ipa-prop.h (ipa_replace_map): New struct.
8206         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8207         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8208         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8209         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8210         ipcp_iterate_stage, ipcp_method_scale_print,
8211         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8212         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8213         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8214         ipcp_update_bb_counts, ipcp_update_profiling,
8215         ipcp_update_edges_counts): New functions.
8216         (ipcp_method_cval_init): Remove restriction regarding local methods.
8217         (ipcp_init_stage): Add ipcp_method_compute_scale.
8218         (ipcp_insert_stage): Add versioning.
8219         (ipcp_structures_print): Add ipcp_method_scale_print.
8220         (ipcp_driver): Dump profiling info.
8221         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8222         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8223         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8224         (struct inline_data): Add versioning_p, ipa_info, new fields.
8225         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8226         declare_return_variable): Replace calls to copy_decl_for_inlining with
8227         copy_decl_for_dup.
8228         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8229         versioning support.
8230         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8231         Add argument VERSIONING.
8232         (copy_arguments_for_versioning, copy_static_chain,
8233         function_versionable_p, tree_versionable_function_p,
8234         tree_function_versioning, replace_ref_tree): New functions.
8235         * tree-inline.h: Include varray.h.
8236         (tree_versionable_function_p,  tree_function_versioning,
8237         tree copy_decl_for_dup): New declarations.
8238
8239 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8240
8241         * ipa-cp.c: New file. Contains IPCP specific functionality.
8242         * ipa-prop.h: New file. Contains structures/definitions that can be
8243         used by several interprocedural data flow optimizations (and also IPCP).
8244         * ipa-prop.c: New file.
8245         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8246         * common.opt: Add ipa-cp flag.
8247         * timevar.def: Add IPCP optimization.
8248         * tree-optimize.c (init_tree_optimization_passes): Schedule
8249         pass_ipa_cp.
8250         * tree-pass.h (pass_ipa_cp): Declare.
8251
8252 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8253
8254         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8255         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8256         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8257         config/i386/i386.c, config/mips/mips.h,
8258         config/rs6000/rs6000.h, config/sh/sh.c,
8259         config/stormy16/stormy16.c: Fix comment typos.
8260
8261 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8262
8263         PR c/22311
8264         * c-typeck.c (build_binary_op): Use common_type wrapper on
8265         shortened types.
8266         (common_type): Update comment.
8267
8268 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8269
8270         PR target/23095
8271         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8272         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8273         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8274
8275 2005-07-31  Jan Hubicka  <jh@suse.cz>
8276
8277         * pretty-print.h (pp_widest_integer): New macro.
8278         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8279         counts.
8280
8281 2005-07-31  Jan Hubicka  <jh@suse.cz>
8282
8283         * output.h (enum section_category): Export from varasm.c
8284         (categorize_decl_for_section): Likewise.
8285         * varasm.c (enum section_category): Kill.
8286         (categorize_decl_for_section): Make global.
8287         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8288         Declare.
8289         * i386.c (ix86_section_threshold): New static variable.
8290         (ix86_in_large_data_p, ix86_encode_section_info,
8291         x86_64_elf_unique_section,
8292         x86_64_elf_select_section): New functions.
8293         (TARGET_ENCODE_SECTION_INFO): Define
8294         (override_options): Enable medium model for PIC.
8295         (ix86_expand_prologue): Expand gen_set_got_rex64.
8296         (legitimate_constant_p): Handle new UNSPECs.
8297         (legitimate_pic_address_disp_p): Likewise.
8298         (legitimize_pic_address): Lower MEDIUM model addressing.
8299         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8300         (enum cmodel): Add MEDIUM_PIC.
8301         (SYMBOL_REF_FAR_ADDR_P): New macro.
8302         (SYMBOL_FLAG_FAR_ADDR): New flag.
8303         * i386.md (movdi): Support medium model.
8304         (set_got_rex64): New pattern.
8305         * i386.opt (mlarge-data-threshold): New flag.
8306         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8307         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8308         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8309         TARGET_ASM_UNIQUE_SECTION): New.
8310
8311         * invoke.texi (-mlarge_data_threshold): Document
8312
8313 2005-07-31  Jan Hubicka  <jh@suse.cz>
8314
8315         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8316         (coalesce_vars): Likewise.
8317         * tree-ssa-live.c (coalesce_cost): New.
8318         (build_tree_conflict_graph): Use coalesce_cost.
8319         * tree-ssa-live.h (coalesce_cost): Declare.
8320
8321 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8322
8323         * arm.md (all peepholes for post-increment operations): Delete.
8324         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8325         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8326         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8327         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8328         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8329
8330 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8331
8332         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8333         non-integral types.
8334
8335 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8336
8337         PR target/22582
8338         * doc/invoke.texi: Document -rdynamic.
8339
8340 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8341
8342         PR c/23143
8343         * c-parser.c (c_parser_parms_list_declarator): Call
8344         mark_forward_parm_decls.
8345         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8346         decls with visibility structure.
8347
8348 2005-07-30  Paul Brook  <paul@codesourcery.com>
8349
8350         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8351
8352 2005-07-30  Paul Brook  <paul@codesourcery.com>
8353
8354         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8355         prototype.
8356         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8357         value for mode.
8358         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8359
8360 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8361
8362         PR c/529
8363         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8364         nested function declarators.
8365         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8366         (grokparms): Call warn_if_shadowing for parameters used within the
8367         parameter list.
8368         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8369         not used within the parameter list.
8370         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8371
8372 2005-07-30  Jan Hubicka  <jh@suse.cz>
8373
8374         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8375         * i386.c (ix86_fixup_binary_operands): Likewise.
8376         (ix86_expand_unary_operator): Likewise.
8377         (ix86_expand_fp_absneg_operator): Likewise.
8378         * optabs.c (expand_vec_cond_expr): Validate dest.
8379
8380 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8381
8382         PR c/21720
8383         * real.c (real_from_string): Also set last bit if there is a
8384         nonzero hex digit beyond GCC's internal precision after ".".
8385
8386 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8387
8388         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8389         define_constants.  Change duplicate values to unassigned numbers.
8390         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8391         (*altivec_vspltsf): New.
8392         (altivec_vperm_v4sf): Delete.
8393         (altivec_vperm_<mode>): Use mode macro V.
8394         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8395         (altivec_predicate_v4sf): Delete.
8396         (altivec_predicate_<mode>): Use mode macro V.
8397         (*altivec_lvesfx): New.
8398         (*altivec_stvesfx): New.
8399         (vec_realign_load_v4sf): Delete.
8400         (vec_realign_load_<mode>): Use mode macro V.
8401         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8402         UNSPECV_SET_VRSAVE.
8403
8404 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8405
8406         PR bootstrap/23131
8407         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8408         string.
8409         * configure: Regenerated.
8410
8411 2005-07-29  Paul Brook  <paul@codesourcery.com>
8412
8413         * doc/install.texi: Add link to GFortran binaries wiki page.
8414
8415 2005-07-29  David Ung  <davidu@mips.com>
8416
8417         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8418         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8419         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8420         * config/mips/mips.md (cpu): Add 5kf name.
8421         (includes): Includes 5k.md.
8422         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8423         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8424         -march flag.
8425
8426 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8427
8428         PR 22550
8429         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8430         (cleanup_tree_cfg): ... here.
8431         Call cleanup_tree_cfg_1 until there are no more cleanups to
8432         do.
8433
8434 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8435
8436         * tree-vrp.c (compare_range_with_value): Return true or false
8437         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8438         EQ_EXPR respectively.
8439
8440 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8441
8442         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8443         Fix comment typos.
8444
8445 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8446
8447         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8448         (tree_ssa_dominator_optimize): Increment it.
8449         (dump_dominator_optimization_stats): Print it.
8450
8451 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8452             Steven Bosscher  <stevenb@suse.de>
8453
8454         PR rtl-optimization/23117
8455         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8456         when head == tail.  Tidy comment.
8457
8458 2005-07-28  Richard Henderson  <rth@redhat.com>
8459
8460         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8461         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8462         * jump.c (rtx_renumbered_equal_p): Likewise.
8463         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8464         CONST_INT and CONST_DOUBLE.
8465         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8466         * reload.c (operands_match_p): Special case CONST_INT and
8467         CONST_DOUBLE; check mode earlier.
8468
8469 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8470
8471         PR c/22240
8472         * c-typeck.c (convert_for_assignment): Do not check
8473         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8474
8475 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8476
8477         PR c/22192
8478         * c-typeck.c (composite_type): Prefer constant size arrays to
8479         VLAs.
8480
8481 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8482
8483         PR c/21720
8484         * real.c (real_from_string): Set last bit if there is a nonzero
8485         hex digit beyond GCC's internal precision.
8486
8487 2005-07-28  Richard Henderson  <rth@redhat.com>
8488
8489         PR rtl-opt/22619
8490         * cfgcleanup.c (try_forward_edges): Watch out for end of
8491         insn chain.
8492
8493 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8494
8495         PR c/23106
8496         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8497
8498 2005-07-28  Jan Hubicka  <jh@suse.cz>
8499
8500         * Makefile.in (rtl-profile.o): Kill all traces of it.
8501         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8502         * coverage.h (rtl_coverage_counter_ref): Kill.
8503         * opts.c (flag_speculative_prefetching_set): Kill.
8504         (flag_loop_optimize_set): New.
8505         (common_handle_option): Disable loop optimizer when profiling;
8506         do not handle speculative prefetching.
8507         * passes.c (init_optimization_passes): Replace pass_profiling combo
8508         by branch_prob pass.
8509         * profile.c (compute_value_histograms): Update for simplified value
8510         profiles.
8511         (rtl_register_profile_hooks): Kill.
8512         (pass_profiling): Kill.
8513         (rest_of_handle_branch_prob): Do not profile.
8514         * toplev.c (process_options): Remove speculative prefetching.
8515         * toplev.h (flag_tree_based_profiling): Kill.
8516         * tree-profile.c (prepare_instrumented_value,
8517         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8518         tree_gen_one_value_profiler, do_tree_profiling): Update for
8519         simplified datastructures.
8520         * value-prof.c: Add comment that speculative prefetching was dropped;
8521         update rest of file for simplified datastructures.
8522         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8523         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8524         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8525         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8526         rtl_mod_subtract, gen_speculative_prefetch,
8527         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8528         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8529         (gate_handle_value_profile_transformations,
8530         rest_of_handle_value_profile_transformations,
8531         pass_value_profile_transformations): Kill.
8532         * value-prof.h (histogram_value_t): Remove IL based unions.
8533         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8534         rtl_profile_hooks): Remove hooks.
8535
8536         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8537
8538         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8539         (cgraph_clone_node): Likewise.
8540         * cgraph.h (cgraph_clone_edge): Update prototype.
8541         (cgraph_clone_node): Likewise.
8542         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8543         cgraph_clone_node.
8544         (lookup_recursive_calls): Consider profile.
8545         (cgraph_decide_recursive_inlining): Fix updating; use new
8546         probability argument; use profile.
8547         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8548         * tree-inline.c (copy_bb): Update clal of clone_edge.
8549         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8550
8551         * invoke.texi (min-inline-recursive-probability): Document.
8552
8553 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8554
8555         * doc/install.texi (Configuration): Update Valgrind homepage.
8556
8557 2005-07-28  Richard Henderson  <rth@redhat.com>
8558
8559         PR middle-end/21362
8560         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8561         labels we want to delete.
8562         (cfg_layout_merge_blocks): Likewise.
8563
8564 2005-07-28  Richard Henderson  <rth@redhat.com>
8565
8566         PR target/17692
8567         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8568         when expanding to nothing.
8569
8570 2005-07-28  Josh Conner  <jconner@apple.com>
8571
8572         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8573         (cgraph_decide_inlining_of_small_functions): Likewise.
8574
8575 2005-07-28  Josh Conner  <jconner@apple.com>
8576
8577         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8578         direction of badness if negative.
8579         (cgraph_default_inline_p): Add reason to parameters, and assign it
8580         a value.
8581         (cgraph_decide_inlining_of_small_functions): New parameter in call
8582         to cgraph_default_inline_p.
8583         (cgraph_decide_inlining_incrementally): Likewise.
8584         * cgraphunit.c (decide_is_function_needed): Likewise.
8585         * cgraph.h (cgraph_default_inline_p): Likewise.
8586
8587 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8588
8589         * builtins.c: Fix comment typo(s).
8590         * genautomata.c: Likewise.
8591         * gimplify.c: Likewise.
8592         * tree-dfa.c: Likewise.
8593         * tree-flow-inline.h: Likewise.
8594         * tree-into-ssa.c: Likewise.
8595         * tree-ssa-alias.c: Likewise.
8596         * tree-ssa-ccp.c: Likewise.
8597         * tree-ssa-copy.c: Likewise.
8598         * tree-ssa-dce.c: Likewise.
8599         * tree-ssa-dom.c: Likewise.
8600         * tree-ssa-operands.c: Likewise.
8601         * tree-tailcall.c: Likewise.
8602         * tree-vectorizer.c: Likewise.
8603         * tree-vrp.c: Likewise.
8604         * tree.c: Likewise.
8605
8606 2005-07-28  Jeff Law  <law@redhat.com>
8607
8608         * tree-vrp.c (test_for_singularity): Extracted from  ...
8609         (simplify_cond_using_ranges): Attempt to simplify a relational
8610         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8611
8612 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8613
8614         PR tree-optimization/22506
8615         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8616         phis whose argument is constant.
8617
8618 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8619
8620         PR rtl-optimization/18992
8621         Back out this patch:
8622           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8623           PR optimization/12142
8624           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8625           uses of the register in the SET_SRC.  Remove unnecessary argument.
8626
8627         Replace it with this:
8628         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8629         if flag_non_call_exceptions is set and the insn may trap, pass
8630         pc_rtx as dest for recursion.
8631         In SET_SRC part of SET case, if dest is already set, pass it down
8632         unchanged.
8633
8634 2005-07-28  Jan Hubicka  <jh@suse.cz>
8635
8636         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8637         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8638         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8639         roundoff errors.
8640         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8641         profile when available.
8642
8643 2005-07-28  Jan Beulich <jbeulich@novell.com>
8644
8645         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8646         (ia64_print_operand): Describe and handle 'X'.
8647         (ia64_register_move_cost): Also handle FP_REGS.
8648         (ia64_preferred_reload_class): Likewise.
8649         (ia64_secondary_reload_class): Likewise.
8650         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8651         it. Also check for ITANIUM_CLASS_FLDP.
8652         * config/ia64/ia64.h (FP_REGNO_P): New.
8653         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8654         (reg_class): Add FP_REGS.
8655         (REG_CLASS_NAMES): Adjust for it.
8656         (REG_CLASS_CONTENTS): Likewise.
8657         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8658         (REG_CLASS_FROM_LETTER): Handle 'x'.
8659         (CLASS_MAX_NREGS): Handle FP_REGS.
8660         (MEMORY_MOVE_COST): Likewise.
8661         * config/ia64/ia64.md (itanium_class): Add fldp.
8662         (type): Handle fldp.
8663         (movti_internal): More allowable operand combinations. Use ldfp8 when
8664         splitting unnecessary. Remove predicable attribute. Adjust
8665         itanium_class attribute.
8666         (smuldi3_highpart): Remove outdated comment.
8667         (mulditi3, umulditi3, rotlti3): New expanders.
8668         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8669         (absti2): Disabled new insn for future reference.
8670         Respective new splitters.
8671         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8672         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8673         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8674
8675 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8676
8677         PR rtl-optimization/23047
8678         * simplify-rtx.c (simplify_const_relational_operation): Respect
8679         flag_wrapv for comparisons with ABS.
8680
8681 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8682
8683         PR tree-optimization/22493
8684         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8685         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8686
8687 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8688
8689         * config/frv/frv.opt (moptimize-membar): New.
8690
8691         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8692
8693         * config/frv/frv.h: Remove machine_function definition.
8694
8695         * config/frv/frv.c (struct frv_io): New.
8696         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8697         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8698         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8699         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8700         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8701         (frv_reorg): Call frv_optimize_membar when appropriate.
8702         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8703         (frv_expand_builtin): Adjust calls accordingly.
8704         (frv_io_address_cookie): New function.
8705         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8706         load or store rather than a special insn.  Add ccnstant address and
8707         io-type operands to the membar.
8708         (frv_ifcvt_modify_tests): Unsign regno.
8709         (frv_ifcvt_modify_tests): Same.
8710
8711         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8712         UNSPEC_OPTIONAL_MEMBAR constant.
8713         (builtin_read_<mode>): Delete.
8714         (builtin_write_<mode>): Delete.
8715         ("optional_membar_<mode>"): Add operand.
8716
8717         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8718         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8719         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8720         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8721         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8722         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8723         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8724         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8725         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8726
8727 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8728
8729         * df.c (df_uses_record): Handle SCRATCH.
8730
8731 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8732
8733         PR debug/20161
8734         * passes.c (rest_of_decl_compilation): If decl is a type and
8735         we have encountered errors, don't emit debug information.
8736
8737 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8738
8739         * params.def: Fixed comment.
8740
8741 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8742
8743         PR target/19885
8744         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8745         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8746         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8747
8748 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8749
8750         PR c++/22003
8751         * varasm.c (assemble_start_function): Don't do anything that may
8752         require a CFG if the current function is a thunk.
8753
8754 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8755
8756         * doc/install.texi (Prerequisites): Mention that perl is needed
8757         to do export control in libstdc++ targetting Darwin.
8758
8759 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8760
8761         PR rtl-optimization/17808
8762         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8763         (sched_insns_conditions_mutex_p): Split out from...
8764         (add_dependence): ...here.  But don't call it from here.
8765         (add_dependence_list): Check sched_insns_conditions_mutex_p
8766         before calling add_dependence.
8767         (add_dependence_list_and_free): Likewise.
8768         (fixup_sched_groups): Likewise.
8769         (sched_analyze_1): Likewise.
8770         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8771         (sched_analyze): Likewise.
8772         (sched_analyze_insn): Likewise.
8773         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8774         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8775         dependencies on all COND_EXEC insns to jumps ending basic blocks
8776         when doing intrablock scheduling.
8777         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8778
8779 2005-07-27  Jeff Law  <law@redhat.com>
8780
8781         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8782         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8783         equivalency sets, correctly handle the case were vr0 has an
8784         equivalency set, but vr1 does not.
8785
8786 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8787
8788         PR tree-optimization/23073
8789         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8790         vect_print_dump_info before fprintf.
8791
8792 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8793
8794         PR tree-optimize/22348
8795         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8796         Fold the partial computation.
8797
8798 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8799
8800         PR tree-optimization/22325
8801         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8802         Declare.
8803         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8804         value replacement.
8805         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8806         (force_var_cost): ... this function.
8807         (compute_phi_arg_on_exit): Export.
8808
8809 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8810
8811         PR tree-optimization/20773
8812         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8813         edge.
8814
8815 2005-07-27  Richard Guenther  <rguenther@suse.de>
8816
8817         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8818         Avoid pushing again if current struct contains only
8819         fields we decomposed.
8820
8821 2005-07-27  Jan Hubicka  <jh@suse.cz>
8822
8823         PR tree-optimization/22574
8824         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8825         not available.
8826
8827         * tree-tailcall.c (decrease_profile): New function.
8828         (eliminate_tail_call): Use it.
8829
8830         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8831         visibility flags correctly in whole program mode.
8832
8833 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8834
8835         PR rtl-optimization/22472
8836         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8837
8838 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8839
8840         PR tree-optimization/22504
8841         * tree-complex.c (expand_complex_addition): Use 'code' instead
8842         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8843
8844 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8845
8846         * config.gcc (cpu_type): Add frv case.
8847         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8848         (supported_defaults): Add fr550 case.
8849
8850 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8851
8852         PR 22591
8853         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8854         whether a pointer of type T * may point to objects of type T *.
8855
8856 2005-07-26  DJ Delorie  <dj@redhat.com>
8857
8858         * configure: Regenerate.
8859
8860 2005-07-26  Dale Johannesen  <dalej@apple.com>
8861
8862         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8863
8864 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8865
8866         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8867         Clarify use of "build" in name.
8868
8869 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8870
8871         * doc/extend.texi (Raw read/write Functions): New section.
8872         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8873         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8874         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8875         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8876         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8877         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8878         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8879         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8880         * config/frv/frv.c: Add bdesc_loads global.
8881         Add bdesc_stores global.
8882         (frv_init_builtins): Add support for __builtin_{read/write}*.
8883         (frv_volatile_memref): New.
8884         (frv_expand_load_builtin): New.
8885         (frv_expand_store_builtin): New.
8886         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8887         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8888         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8889         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8890         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8891         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8892         (builtin_read_<mode>): New.
8893         (builtin_write_<mode>): New.
8894         (builtin_write64): New.
8895         (optional_membar_<mode>): New.
8896
8897 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8898
8899         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8900         (rather than units) against HOST_BITS_PER_WIDE_INT.
8901
8902 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8903
8904         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8905         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8906         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8907         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8908         FSF address.
8909
8910         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8911         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8912         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8913         comment typos.
8914         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8915
8916 2005-07-26  Richard Guenther  <rguenther@suse.de>
8917
8918         PR tree-optimization/22486
8919         * fold-const.c (fold_unary): Fold away useless component
8920         references of the form (T *)&T.x, if the address
8921         doesn't change.
8922
8923 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8924
8925         * dwarf2out.c (add_call_src_coords_attributes): New.
8926         (gen_inlined_subroutine_die): Call it.
8927         (maybe_emit_file, init_file_table): Add comments.
8928         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8929         maybe_emit_file.
8930         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8931         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8932         * tree.h (BLOCK_SOURCE_LOCATION): New.
8933         (struct tree_block): New field locus.
8934
8935 2005-07-26  Andreas Schwab  <schwab@suse.de>
8936
8937         PR rtl-optimization/23043
8938         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8939         when allocating a struct unoccr.
8940
8941 2005-07-25  Richard Henderson  <rth@redhat.com>
8942
8943         PR 22626
8944         * tree-complex.c (gate_no_optimization): True if errors.
8945         * Makefile.in (tree-complex.o): Update dependencies.
8946
8947 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8948
8949         * config/frv/predicates.md (integer_register_operand): Use
8950         GPR_AP_OR_PSEUDO_P.
8951
8952 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8953
8954         PR tree-opt/22484
8955         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8956         after fold.
8957         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8958
8959 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8960
8961         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8962         types when flag_unsafe_math_optimizations is true.
8963
8964 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8965
8966         * gcc.c (option_map): Add --sysroot.
8967         (process_command): Handle --sysroot.
8968         (display_help): Document it.
8969         * doc/cppopts.tex (-isysroot): Document.
8970         * doc/invoke.texi (--sysroot): Document.
8971         * doc/install.texi (--with-build-sysroot): Document.
8972
8973         * Makefile.in (inhibit_libc): New variable.
8974         (INHIBIT_LIBC_CFLAGS): Likewise.
8975         (LIBGCC2_CFLAGS): Include
8976         $(INHIBIT_LIBC_CFLAGS).
8977         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8978         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8979         ($(T)crtend.o): Likewise.
8980         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8981         ($(T)crtendS.o): Likewise.
8982         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8983         ($(T)crtendT.o): Likewise.
8984         (stmp-fixinc): Do not complain about missing headers if
8985         inhibit_libc.
8986         * configure.ac (inhibit_libc): Set it to true/false.
8987         (--with-build-sysroot): New option.  Use it to set
8988         SYSTEM_HEADER_DIR.
8989         * configure: Regenerated.
8990
8991 2005-07-25  Manfred Hollstein  <mh@suse.com>
8992
8993         * calls.c (store_one_arg): Fix unsigned comparison warning.
8994
8995 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8996
8997         PR other/22337
8998         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8999         (ggc_print_statistics): Initialize variable before use.
9000
9001 2005-07-25  Richard Guenther  <rguenther@suse.de>
9002
9003         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9004         calling with a PHI_NODE argument.
9005
9006         * tree-flow-inline.h (overlap_subvar): Protect against
9007         possible overflow.
9008
9009 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9010
9011         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9012         * configure: Regenerate.
9013
9014 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9015
9016         * expr.c (highest_pow2_factor): Make extern.
9017         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9018         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9019         record_array_differ_p, array_ptr_differ_p): Likewise.
9020         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9021         additional cases. Call the above functions.
9022         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9023         base_object_differ_p when there are two base objects. Otherwise, compare
9024         base address and offset. Call may_alias_p.
9025         (dump_data_reference): Use a correct field name.
9026         (analyze_array): Make static. Initialize new data-ref fields.
9027         (analyze_indirect_ref): New function.
9028         (init_data_ref): Initialize new data-ref fields.
9029         (strip_conversion): Moved from tree-vect-analyze.c.
9030         (analyze_offset_expr, get_ptr_offset, address_analysis,
9031         object_analysis): Likewise.
9032         (analyze_offset): New function.
9033         (create_data_ref): Likewise.
9034         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9035         dimensions for ARRAY_REFs only.
9036         (build_classic_dist_vector): Make static.
9037         (access_functions_are_affine_or_constant_p): Call macro to get the
9038         address of access functions.
9039         (compute_all_dependences): Add new parameter
9040         compute_self_and_read_read_dependences. Compute self and read-read
9041         dependences if it is true.
9042         (find_data_references_in_loop): Call create_data_ref. Initialize new
9043         data-ref fields.
9044         (compute_data_dependences_for_loop): Add new parameter
9045         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9046         compute nb_loops. Call compute_all_dependences,
9047         build_classic_dist_vector and build_classic_dir_vector with correct
9048         parameters.
9049         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9050         with correct parameters. Compare dimensions for ARRAY_REFs only.
9051         (free_data_refs): Call macro to free access functions.
9052         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9053         fields from stmt_vinfo.
9054         (struct base_object_info): New structure.
9055         (struct data_reference): Move fields to base_object_info. Add fields
9056         first_location and object_info for above structures. Move fields from
9057         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9058         aligned_to.  Add macros to access the new fields.
9059         Update functions declarations.
9060         * tree-flow.h (is_aliased_with): Declare.
9061         * tree-loop-linear.c (linear_transform_loops): Call
9062         compute_data_dependences_for_loop with correct parameters.
9063         * tree-ssa-alias.c (is_aliased_with): New function.
9064         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9065         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9066         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9067         vect_base_addr_differ_p, compute_subscript_distance and
9068         build_classic_dist_vector. Add printings. Check absolute value of
9069         distance.
9070         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9071         data-refs.
9072         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9073         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9074         to bytes. Add printing.
9075         (vect_compute_data_refs_alignment): Go through loads and stores in one
9076         loop.
9077         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9078         vect_analyze_data_ref_access): Likewise.
9079         (vect_analyze_pointer_ref_access): Remove.
9080         (vect_address_analysis, vect_object_analysis): Likewise.
9081         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9082         and analyze data-refs in the loop.
9083         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9084         fields of data-ref instead of stmt. Add init to the offset from the
9085         base.
9086         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9087         (vect_update_init_of_dr): Likewise.
9088         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9089         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9090         removed fields.
9091         (new_loop_vec_info): Initialize new fields.
9092         (destroy_loop_vec_info): Free new fields.
9093         (vect_strip_conversion): Remove.
9094         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9095         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9096         datarefs. Add new field ddrs.
9097         Add macros for the new fields access.
9098         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9099         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9100         Remove their macros.
9101         * tree.h (highest_pow2_factor): Declare.
9102
9103 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9104
9105         * calls.c (store_one_arg): Check for sibling call MEM arguments
9106         from already clobbered incoming argument area.
9107
9108 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9109
9110         * c-common.c (check_missing_format_attribute): New.
9111         * c-common.h (check_missing_format_attribute): Likewise.
9112         * c-typeck.c (convert_for_assignment): Use it.
9113
9114 2005-07-24  Andreas Schwab  <schwab@suse.de>
9115
9116         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9117         register use a word move.  Correct operand of ext.w in 68000 code.
9118
9119 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9120
9121         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9122         variables as declarations, rather than definitions.
9123
9124 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9125
9126         PR tree-optimization/22526
9127         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9128         of the zero node.
9129
9130 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9131
9132         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9133         that C99 reserve for future use. Use it to define clog10,
9134         clog10f and clog10l.
9135
9136 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9137
9138         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9139         * configure.ac: Check for -Wmissing-format-attribute.
9140
9141         * configure: Regenerate.
9142
9143 2005-07-23  Richard Henderson  <rth@redhat.com>
9144
9145         PR tree-optimization/22623
9146         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9147
9148 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9149
9150         PR target/22577
9151         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9152
9153 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9154
9155         * Makefile.in (C_TREE_H): Update dependencies.
9156         * c-tree.h: Include toplev.h.
9157         * diagnostic.h (diagnostic_set_info): Add format attribute.
9158         * rtl-error.c (diagnostic_for_asm): Likewise.
9159
9160 2005-07-23  Chao-ying Fu  <fu@mips.com>
9161
9162         * config/mips/mips-dsp.md: New file.
9163         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9164         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9165         functions.
9166         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9167         MIPS_BUILTIN_BPOSGE32.
9168         (mips_expand_builtin_direct): Add one parameter to indicate that
9169         builtin functions need to return a value.
9170         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9171         functions.
9172         (mips_regno_to_class): Add classes for 12 new DSP registers.
9173         (mips_subword): Change to check four HI registers.
9174         (mips_output_move): Output move to and from 6 new DSP accumulators.
9175         (override_options): Make sure -mdsp and -mips16 are not used together.
9176         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9177         for machine modes.
9178         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9179         when !TARGET_DSP.
9180         (print_operand): Add 'q' for printing DSP accumulators.
9181         (mips_cannot_change_mode_class): Check ACC_REGS.
9182         (mips_secondary_reload_class): Check ACC_REGS.
9183         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9184         (mips_register_move_cost): Check ACC_REGS.
9185         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9186         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9187         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9188         (dsp_bdesc): New array.
9189         (bdesc_arrays): Add DSP builtin function table.
9190         (mips_prepare_builtin_arg): Check predicate again after
9191         copy_to_mode_reg.
9192         (mips_expand_builtin): Add one more parameter to
9193         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9194         MIPS_BUILTIN_BPOSGE32.
9195         (mips_init_builtins): Initialize new function types.
9196         (mips_expand_builtin_direct): Check if builtin functions need to
9197         return a value and pass operands properly.
9198         (mips_expand_builtin_bposge): New function.
9199         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9200         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9201         (FIRST_PSEUDO_REGISTER): Increase to 188.
9202         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9203         Update for 12 new DSP registers.
9204         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9205         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9206         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9207         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9208         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9209         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9210         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9211         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9212         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9213         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9214         (REGISTER_NAMES): Add names for 12 new DSP registers.
9215         * config/mips/mips.md: Include mips-dsp.md.
9216         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9217         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9218         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9219         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9220         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9221         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9222         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9223         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9224         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9225         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9226         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9227         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9228         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9229         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9230         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9231         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9232         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9233         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9234         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9235         (UNSPEC_RDDSP): New constants.
9236         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9237         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9238         A<-d alternative.
9239         * config/mips/mips.opt (-mdsp): New option.
9240         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9241         (reg_imm10_operand): New predicates.
9242         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9243         * doc/invoke.texi (-mdsp): Document new option.
9244
9245 2005-07-22  DJ Delorie  <dj@redhat.com>
9246
9247         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9248         to warning calls.
9249         * tree-inline.c (inlinable_function_p): Likewise.
9250
9251 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9252
9253         PR debug/21828
9254         * toplev.c (check_global_declarations): Do not mark undefined
9255         variables as DECL_IGNORED_P.
9256         * varasm.c (first_global_object_name): GTY it.
9257         (weak_global_object_name): Likewise.
9258         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9259         a string to go into {weak,first}_global_object_name.
9260
9261 2005-07-22  DJ Delorie  <dj@redhat.com>
9262
9263         * c-format.c (check_function_format): Change warning control
9264         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9265
9266 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9267
9268         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9269         &PTR->FLD a dereference of PTR.
9270         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9271         a potential dereference of PTR.
9272
9273 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9274
9275         PR rtl-optimization/20370
9276         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9277         call allocate_reg_info if necessary.
9278
9279         PR rtl-optimization/21848
9280         * calls.c (emit_library_call_value_1): For const functions, add
9281         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9282
9283         PR rtl-optimization/22445
9284         * cselib.c (target.h): Include.
9285         (rtx_equal_for_cselib_p): Allow commutative matches.
9286         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9287         Remove MODE parameter.  Changed all callers.
9288
9289         PR rtl-optimization/22258
9290         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9291         New functions.
9292         (try_combine): Use likely_spilled_retval_p.
9293
9294 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9295
9296         * config.gcc: Add crx-elf support.
9297
9298         * doc/contrib.texi: Mention crx.
9299         * doc/extend.texi: Document crx extensions.
9300         * doc/install.texi: Document crx install.
9301         * doc/invoke.texi: Document crx options.
9302         * doc/md.texi: Document crx constraints.
9303
9304         * config/crx/crx-protos.h: New file.
9305         * config/crx/crx.c: New file.
9306         * config/crx/crx.h: New file.
9307         * config/crx/crx.md: New file.
9308         * config/crx/crx.opt: New file.
9309         * config/crx/t-crx: New file.
9310
9311 2005-07-22  Manfred Hollstein  <mh@suse.com>
9312
9313         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9314         warnings.
9315         (int_add_graph_edge): Likewise.
9316         (collapse_nodes): Likewise.
9317         (process_unification_queue): Likewise.
9318
9319 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9320             Laurent GUERBY  <laurent@guerby.net>
9321
9322         PR tree-optimization/22336
9323         * function.c (record_block_change): Check for
9324         cfun->ib_boundaries_block.
9325
9326 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9327
9328         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9329         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9330
9331 2005-07-21  DJ Delorie  <dj@redhat.com>
9332
9333         * toplev.c (warn_deprecated_use): Add warning control to warning
9334         call.
9335         * c-typeck.c (parser_build_binary_op): Likewise.
9336         (c_finish_if_stmt): Likewise.
9337         * c-common.c (check_function_sentinel): Likewise.
9338         (check_nonnull_arg): Likewise.
9339
9340 2005-07-21  Richard Henderson  <rth@redhat.com>
9341
9342         PR tree-opt/22504
9343         * tree-complex.c (complex_ssa_name_components): New.
9344         (cvc_lookup): Allow entry not found.
9345         (create_components): Remove.
9346         (create_one_component_var, get_component_var): New.
9347         (get_component_ssa_name, set_component_ssa_name): New.
9348         (extract_component): Use get_component_ssa_name.
9349         (update_complex_components): Use set_component_ssa_name.
9350         (update_complex_components_on_edge): Likewise.
9351         (update_phi_components): Create new PHI nodes directly, instead
9352         of adding insns to edges.
9353         (tree_lower_complex): Allocate and free complex_variable_components
9354         and complex_ssa_name_components here.
9355
9356 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9357
9358         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9359         revert to returning false.
9360
9361 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9362
9363         PR target/21149
9364         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9365
9366 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9367
9368         PR target/22576
9369         * config/i386/i386.md (cmpxf): Change operand constraints
9370         to "nonmemory_operand".
9371
9372 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9373
9374         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9375
9376 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9377
9378         PR middle-end/21180
9379         * fold-const.c (fold_build1): Add checksum for the operands.
9380         (fold_build2): Likewise.
9381         (fold_build3): Likewise.
9382
9383 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9384
9385         PR middle-end/19055
9386         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9387
9388 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9389
9390         * common.opt (-fforward-propagate): Committed by mistake,
9391         removed.
9392
9393 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9394
9395         * reg-stack.c: Fix comment typo(s).
9396         * tree-ssa-operands.c: Likewise.
9397         * tree-vectorizer: Likewise.
9398
9399 2005-07-21  Nick Clifton  <nickc@redhat.com>
9400
9401         * config/sh/symbian.c: Replace C++ style line comments with C
9402         style line comments.
9403         (symbian_add_attribute): Do not use a ? operator on the LHS of
9404         an assignment.
9405         (sh_symbian_handle_dll_attribute): Change the type of the
9406         method vector to "VEC(tree,gc)*" and use vector accessor
9407         macros to walk over the elements.
9408         (symbian_export_vtable_and_rtti_p): Likewise.
9409         (symbian_class_needs_attribute_p): Likewise.
9410
9411 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9412
9413         PR target/22085
9414         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9415         initialize targetm.resolve_overloaded_builtin here.
9416         (altivec_expand_overloaded_builtin): Make it non-static.
9417         * config/rs6000/rs6000-protos.h
9418         (altivec_expand_overloaded_builtin): New prototype.
9419         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9420         targetm.resolve_overloaded_builtin here.
9421         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9422
9423 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9424             Zdenek Dvorak  <dvorakz@suse.cz>
9425
9426         PR tree-optimization/19210
9427         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9428         New.
9429         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9430         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9431         rely on unproven assumptions.
9432         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9433         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9434         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9435         to number_of_iterations_exit.
9436         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9437         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9438         * tree-ssa-loop-niter.c (find_loop_niter,
9439         estimate_numbers_of_iterations_loop): Likewise.
9440         (number_of_iterations_exit): Honor the new options.
9441         * doc/invoke.texi (Wunsafe-loop-optimizations,
9442         funsafe-loop-optimizations): Document them.
9443
9444 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9445
9446         PR rtl-optimization/22167
9447         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9448
9449 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9450
9451         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9452         __do_global_dtors_aux longcall.
9453
9454 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9455
9456         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9457         (old_special_pred_table): Don't reference
9458         SPECIAL_MODE_PREDICATES.
9459         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9460         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9461         * config/sh/predicates.h: Don't mention
9462         SPECIAL_MODE_PREDICATES.
9463         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9464         Remove.
9465
9466 2005-07-20  DJ Delorie  <dj@redhat.com>
9467
9468         * config.gcc: Add m32c-elf support.
9469
9470         * doc/contrib.texi: Mention m32c.
9471         * doc/extend.texi: Document m32c extensions.
9472         * doc/install.texi: Mention m32c.
9473         * doc/invoke.texi: Document m32c options.
9474         * doc/md.texi: Document m32c constraints.
9475
9476         * config/m32c/addsub.md: New file.
9477         * config/m32c/bitops.md: New file.
9478         * config/m32c/cond.md: New file.
9479         * config/m32c/jump.md: New file.
9480         * config/m32c/m32c-lib1.S: New file.
9481         * config/m32c/m32c-lib2.c: New file.
9482         * config/m32c/m32c-modes.def: New file.
9483         * config/m32c/m32c-pragma.c: New file.
9484         * config/m32c/m32c-protos.h: New file.
9485         * config/m32c/m32c.abi: New file.
9486         * config/m32c/m32c.c: New file.
9487         * config/m32c/m32c.h: New file.
9488         * config/m32c/m32c.md: New file.
9489         * config/m32c/m32c.opt: New file.
9490         * config/m32c/minmax.md: New file.
9491         * config/m32c/mov.md: New file.
9492         * config/m32c/muldiv.md: New file.
9493         * config/m32c/predicates.md: New file.
9494         * config/m32c/prologue.md: New file.
9495         * config/m32c/shift.md: New file.
9496         * config/m32c/t-m32c: New file.
9497
9498 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9499
9500         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9501         (stack_protect_set, stack_protect_test): New expanders.
9502         (stack_protect_set_si, stack_protect_set_si_media,
9503         stack_protect_set_di_media, stack_protect_test_si,
9504         stack_protect_test_si_media, stack_protect_test_di_media):
9505         New insns.
9506
9507 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9508
9509         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9510
9511 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9512
9513         * tree.h (tree_expr_nonzero_p): Export.
9514         * fold-const.c (tree_expr_nonzero_p): Likewise.
9515         Return true for CALL_EXPRs that are alloca calls.
9516         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9517         against zero.
9518         * tree-flow.h (expr_computes_nonzero): Remove.
9519         * tree-vrp.c (expr_computes_nonzero): Remove.
9520         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9521         (extract_range_from_unary_expr): Likewise.
9522         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9523         tree_expr_nonzero_p.
9524
9525 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9526
9527         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9528         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9529         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9530         All callers changed.
9531         (frame_related_constant_load): New arg "related" which controls
9532         setting of RTX_FRAME_RELATED_P.  All callers changed.
9533         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9534         (bfin_expand_prologue): Add stack limit checking.
9535         * config/bfin/bfin.md (trapifcc): New pattern.
9536
9537         * config/bfin/bfin.c: Include "langhooks.h".
9538         (def_builtin): Go through lang_hooks to call builtin_function.
9539
9540         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9541         * config/bfin/predicates.md (symbol_ref_operand): New.
9542         (call_insn_operand): Delete.  All callers changed to use
9543         register_no_elim_operand.
9544         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9545         call_cookie field.
9546         (function_arg): Use it to generate the call's operand 2.
9547         (bfin_longcall_p): New function.
9548         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9549         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9550         determine if the address needs to be in a REG.
9551         (bfin_handle_longcall_attribute): New function.
9552         (bfin_attribute_table): Add "longcall" and "shortcall".
9553         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9554         (CUMULATIVE_ARGS): New member call_cookie.
9555         (PREDICATE_CODES): Add symbol_ref_operand.
9556         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9557         extra USE to the pattern.
9558         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9559         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9560         sibcall_value_insn; now the new patterns handle direct calls and the
9561         old ones indirect calls.
9562         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9563
9564 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9565
9566         * doc/trouble.texi: Update section on handling of empty loops.
9567
9568 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9569
9570         * config.gcc: Remove support for sparc-*-openbsd*,
9571         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9572         ns32k-*-netbsd*.
9573         * config.host: Remove support for i860-*-sysv4* as a host.
9574         * config/i860/*, config/ip2k/*, config/ns32k/*,
9575         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9576         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9577         mention obsolete ports.
9578
9579 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9580
9581         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9582         soft frame pointer.
9583         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9584         of frame_pointer_rtx.
9585         (sh_expand_epilogue): Likewise.
9586         (sh_set_return_address): Likewise.
9587         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9588         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9589         offsets from FRAME_POINTER_REGNUM.
9590         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9591         (sh_register_names): Add initializer for sfp.
9592         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9593         (VALID_REGISTER_P): Likewise.
9594         (FIRST_PSEUDO_REGISTER): Update.
9595         (DWARF_FRAME_REGISTERS): Define.
9596         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9597         (HARD_FRAME_POINTER_REGNUM): Define.
9598         (FRAME_POINTER_REGNUM): Redefine.
9599         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9600         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9601         from FRAME_POINTER_REGNUM.
9602         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9603         FRAME_POINTER_REGNUM.
9604         (REG_CLASS_CONTENTS): Add sfp.
9605         (REG_ALLOC_ORDER): Likewise.
9606         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9607         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9608         of frame_pointer_rtx.
9609         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9610
9611 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9612
9613         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9614         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9615         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9616         of an ABS_EXPR.
9617         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9618         ABS_EXPR<x>.
9619
9620 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9621
9622         Make CONSTRUCTOR use VEC to store initializers.
9623         * c-common.c (complete_array_type): Update to cope with VEC in
9624         CONSTRUCTOR_ELTS.
9625         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9626         (pp_c_constructor_elts): New function.
9627         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9628         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9629         struct constructor_stack, struct initializer_stack,
9630         constructor_elements, push_init_level, pop_init_level,
9631         add_pending_init, find_init_member, output_init_element): Update to
9632         cope with VEC in CONSTRUCTOR_ELTS.
9633         * coverage.c (build_fn_info_value, build_ctr_info_value,
9634         build_gcov_info): Likewise.
9635         * expr.c (categorize_ctor_elements_1, store_constructor,
9636         expand_expr_real_1): Likewise.
9637         * fold-const.c (fold_ternary): Likewise.
9638         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9639         gimplify_init_constructor, gimplify_expr): Likewise.
9640         * tree-dump.c (dequeue_and_dump): Likewise.
9641         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9642         node.
9643         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9644         CONSTRUCTOR_ELTS.
9645         * tree-sra.c (generate_element_init_1): Likewise.
9646         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9647         * tree-ssa-operands.c (get_expr_operands): Likewise.
9648         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9649         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9650         (get_initial_def_for_reduction): Likewise.
9651         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9652         value handle in annotations.
9653         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9654         tree_node_structure): Add support for constr_kind.
9655         (build_vector_from_ctor, build_constructor_single,
9656         build_constructor_from_list): New functions.
9657         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9658         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9659         Update to cope with VEC in CONSTRUCTOR_ELTS.
9660         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9661         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9662         CONSTRUCTOR_APPEND_ELT): New macros.
9663         (struct constructor_elt, struct tree_constructor): New data types.
9664         (union tree_node): Add tree_constructor field.
9665         * treestruct.def: Define TS_CONSTRUCTOR.
9666         * varasm.c (const_hash_1, compare_constant, copy_constant,
9667         compute_reloc_for_constant, output_addressed_constants,
9668         initializer_constant_valid_p, output_constant,
9669         array_size_for_constructor, output_constructor): Update to cope with
9670         VEC in CONSTRUCTOR_ELTS.
9671         * vec.h (VEC_empty, VEC_copy): New macros.
9672
9673 2005-07-19  Devang Patel  <dpatel@apple.com>
9674
9675         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9676
9677 2005-07-19  Richard Henderson  <rth@redhat.com>
9678
9679         PR tree-opt/22278
9680         * gimplify.c (gimplify_expr): Use main variant type for the temp
9681         destination for a discarded volatile read.
9682         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9683         casts between non-void types that change volatility.
9684
9685 2005-07-15  DJ Delorie  <dj@redhat.com>
9686
9687         * toplev.h: Add comment about the first parameter for warning().
9688         * errors.h: Likewise.
9689
9690         * c.opt (Wpragmas): New.
9691         * doc/invoke.texi: Document it.
9692
9693         * function.c (do_warn_unused_parameter): Add warning control to
9694         warning call.
9695         * c-decl.c (warn_if_shadowing): Likewise.
9696         * c-lex.c (cb_def_pragma): Likewise.
9697         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9698         (pop_alignment): Likewise.
9699         (handle_pragma_pack): Likewise.
9700         (apply_pragma_weak): Likewise.
9701         (handle_pragma_weak): Likewise.
9702         (handle_pragma_redefine_extname): Likewise.
9703         (add_to_renaming_pragma_list): Likewise.
9704         (handle_pragma_extern_prefix): Likewise.
9705         (maybe_apply_renaming_pragma): Likewise.
9706         (handle_pragma_visibility): Likewise.
9707
9708         * config/c4x/c4x-c.c (BAD): Likewise.
9709         (c4x_parse_pragma): Likewise.
9710         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9711         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9712         (rs6000_pragma_longcall): Likewise.
9713         * config/v850/v850-c.c (pop_data_area): Likewise.
9714         (ghs_pragma_section): Likewise.
9715         (ghs_pragma_section): Likewise.
9716         (ghs_pragma_interrupt): Likewise.
9717         (ghs_pragma_starttda): Likewise.
9718         (ghs_pragma_startsda): Likewise.
9719         (ghs_pragma_startzda): Likewise.
9720         (ghs_pragma_endtda): Likewise.
9721         (ghs_pragma_endsda): Likewise.
9722         (ghs_pragma_endzda): Likewise.
9723
9724 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9725             Kenneth Zadeck <zadeck@naturalbridge.com>
9726
9727         * Makefile.in: Removed tree-promote-statics.c
9728         * tree-promote-statics.c: Removed.
9729         * common.opt: Removed flag-promote-statics.
9730         * opts.c: Ditto.
9731         * passes.c: Removed tree-promote-statics pass.
9732         * tree-pass.h: Ditto.
9733         * timevar.def: Removed TV_PROMOTE_STATICS.
9734
9735
9736 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9737
9738         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9739         and *-*-freebsd9.
9740         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9741
9742 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9743
9744         PR c/22476
9745         * c-common.c (check_function_arguments): Call
9746         'check_function_format' if either -Wformat or
9747         -Wmissing-format-attribute are specified.
9748         * c-format.c (check_function_format): Check -Wformat before
9749         calling 'check_format_info'.
9750         * c-opts.c (c_common_post_options): Don't warn for
9751         -Wmissing-format-attribute without -Wformat.
9752         * c-typeck.c (convert_for_assignment): Detect additional cases for
9753         -Wmissing-format-attribute.
9754         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9755         behavior.
9756
9757 2005-07-19  Richard Guenther  <rguenther@suse.de>
9758
9759         * config/i386/i386.md (lrint<mode>2): Use temporary
9760         instead of clobbering non-existent memory.
9761
9762 2005-07-19  Nick Clifton  <nickc@redhat.com>
9763
9764         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9765         statement to avoid displaying ASCII control characters.
9766
9767 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9768
9769         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9770         * cfganal.c (find_edge_index): Ditto.
9771         * combine.c (combine_instructions): Ditto.
9772         * ddg.c (create_scc): Ditto.
9773         (find_successors): Ditto.
9774         (find_predecessors): Ditto.
9775         (find_nodes_on_paths): Ditto.
9776         (longest_simple_path): Ditto.
9777         * flow.c (update_life_info): Ditto.
9778         (count_or_remove_death_notes): Ditto.
9779         (clear_log_links): Ditto.
9780         * modulo-sched.c (generate_reg_moves): Ditto.
9781         (find_max_asap): Ditto.
9782         (find_max_hv_min_mob): Ditto.
9783         (find_max_dv_min_mob): Ditto.
9784         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9785         * sched-rgn.c (extract_edgelst): Ditto.
9786         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9787         (dump_update_ssa): Ditto.
9788         (ssa_names_to_replace) Ditto.
9789         (switch_virtuals_to_full_rewrite): Ditto.
9790         (update_ssa): Ditto.
9791         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9792
9793 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9794
9795         Fix PR tree-optimization/22483
9796
9797         * tree-complex.c (create_components): Use
9798         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9799         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9800         * tree-flow.h (safe_referenced_var_iterator): New structure.
9801         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9802         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9803         safe_referenced_var iterator.
9804         (add_type_alias): Ditto.
9805
9806 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9807
9808         * loop-init.c (rest_of_handle_loop2): Remove.
9809         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9810         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9811         (pass_rtl_loop_init, pass_rtl_loop_done,
9812         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9813         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9814         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9815         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9816         pass_tree_loop_done, and pass_tree_unswitch.
9817         (gate_loop): Rename to gate_tree_loop.
9818         * passes.c (init_optimization_passes): Update for renamed tree
9819         loop passes.  Add the new loop2 passes as subpasses of loop2.
9820         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9821         Update for the renamed tree loop passes.
9822
9823 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9824
9825         PR middle-end/22057
9826         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9827         blocks when optimizing.
9828
9829 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9830
9831         * common.opt (frename-registers): Initialize to 2.
9832         (fweb): Ditto.
9833         (fgcse-after-reload): Ditto.
9834         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9835         (process_options): Only change flag_web, flag_rename_registers,
9836         and flag_rerun_cse_after_loop if not explicitly set by user.
9837
9838 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9839
9840         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9841         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9842         in 64-bit mode the same as DImode in 32-bit mode.
9843         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9844         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9845         mode. Add new mode parameter.
9846         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9847         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9848         x86_64_shift_adj): New expanders.
9849         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9850         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9851         insns.
9852         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9853         DImode shift splitters.
9854         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9855         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9856         mode parameter.
9857
9858 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9859
9860         * i386.md (movdi_extzv_1): New.
9861         (zero_extendhidi2): Combine alternatives and never force use of
9862         REX64 prefix.
9863         (zero_extendqidi2): Likewise. Don't restrict input selection.
9864
9865 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9866
9867         Fix PR tree-optimization/22531
9868         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9869          moment.
9870
9871 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9872
9873         * tree-promote-statics.c (pass_promote_statics): Change dump file
9874          name.
9875
9876 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9877
9878         * tree-optimize.c (init_tree_optimization_passes): Add
9879         pass_eliminate_useless_stores pass.
9880         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9881         * tree-ssa-pre.c (is_copy_stmt): New function.
9882         (follow_copies_till_vuse): Ditto.
9883         (do_eustores): Ditto.
9884         (gate_eustores): Ditto.
9885
9886 2005-07-16  Richard Henderson  <rth@redhat.com>
9887
9888         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9889
9890 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9891            Kenneth Zadeck <zadeck@naturalbridge.com>
9892
9893         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9894         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9895         ipa-type-escape.h, tree-promote-statics.c
9896         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9897         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9898         tree-promote-statics.c: new files.
9899         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9900         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9901         int nonlocal_set_p, mark_constant_function): Deleted.
9902         (rest_of_handle_cfg): Removed call to mark_constant_function.
9903         (nonoverlapping_component_refs_p): Added calls to support
9904         type based aliasing.
9905         * tree-ssa-alias.c (may_alias_p,
9906         compute_flow_insensitive_aliasing): Ditto.
9907         * calls.c (flags_from_decl_or_type): Removed reference to
9908         cgraph_rtl_info.
9909         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9910         too many arguments.  This is necessary for Spec 2000.
9911         * cgraph.h (const_function, pure_function): Removed.
9912         * common.opt: Added "fipa-pure-const", "fipa-reference",
9913         "fipa-type-escape", and "ftree-promote-static".
9914         * opts.c: Ditto.
9915         * passes.c: Added ipa and tree-promote-statics passes.
9916         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9917         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9918         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9919         * tree-flow.h: Added exposed sra calls and addition of
9920         reference_vars_info field for FUNCTION_DECLS.
9921         * tree-pass.h: Added passes.
9922         * tree-sra.c: (sra_init_cache): New function.
9923         (sra_insert_before, sra_insert_after) Made public.
9924         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9925         and made public.
9926         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9927         aliasing. (may_alias_p): Added code to use type escape analysis to
9928         improve alias sets.
9929         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9930         code to prune clobbers of static variables based on information
9931         produced in ipa-reference pass.  Changed call clobbering so that
9932         statics are not marked as clobbered if the call does not clobber
9933         them.
9934
9935 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9936
9937         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9938         too.
9939
9940 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9941
9942         * doc/install.texi (*-*-solaris2*): Document recommended version
9943         of GNU binutils and mention GNU linker problem on Solaris 10.
9944
9945 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9946
9947         PR c/22421
9948         * c-decl.c (c_build_bitfield_integer_type): New function.
9949         (finish_struct): Call it.
9950         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9951
9952 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9953
9954         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9955         before returning.
9956
9957 2005-07-16  Jan Hubicka  <jh@suse.cz>
9958
9959         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9960         (scale_bbs_frequencies_int): Watch roundoff errors.
9961         * predict.c (return_prediction): Initialize return_stmt.
9962
9963 2005-07-16  Jan Hubicka  <jh@suse.cz>
9964
9965         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9966         after RTL profiling.
9967
9968 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9969
9970         PR middle-end/22398
9971         * fold-const.c (build_range_check): Convert high/low to etype
9972         if we are only comparing against exp.
9973
9974 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9975
9976         Fix PR tree-optimization/22376
9977         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9978         special var here.
9979         (need_to_solve): New function.
9980         (compute_points_to_sets): Use it.
9981
9982 2005-07-15  Jan Hubicka  <jh@suse.cz>
9983
9984         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9985         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9986
9987 2005-07-15  Richard Guenther  <rguenther@suse.de>
9988
9989         * c-common.c (handle_flatten_attribute): New function.
9990         Add flatten function attribute.
9991         * doc/extend.texi: Document flatten function attribute.
9992         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9993         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9994         New functions.
9995         (cgraph_decide_inlining): Handle functions with flatten
9996         attribute.
9997
9998 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9999
10000         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10001         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10002         UNSPEC_XCHG, UNSPEC_AND): New.
10003         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10004         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10005         * config/rs6000/sync.md (FETCHOP): New code macro.
10006         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10007         New code attrs.
10008         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10009         (sync_compare_and_swap<mode>): Same.
10010         (sync_lock_test_and_set<mode>): Same.
10011         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10012         for QImode and HImode, and not PPC405.
10013         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10014         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10015         (sync_<fetchop>{si,di}_internal): New.
10016         (sync_nand{si,di}_internal): New.
10017         (sync_old_<fetchop>{si,di}_internal): New.
10018         (sync_old_nand{si,di}_internal): New
10019         (sync_new_<fetchop>{si,di}_internal): New.
10020         (sync_new_nand{si,di}_internal): New.
10021         (atomic_and{si,di}): New.
10022         (sync_new_nand{si,di}_internal): New.
10023         (atomic_and{si,di}): New.
10024         (sync_add<mode>_internal): Delete.
10025         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10026         (sync_sub<mode>_internal): Delte.
10027         (sync_subshort_internal): New.
10028         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10029         (sync_anddi_internal): Delete.
10030         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10031         (sync_booldi_internal): Delete.
10032         (sync_boolc<mode>_internal): Delete.
10033         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10034         (sync_boolc<mode>_internal2): Delete.
10035         (sync_boolcc<mode>_internal): Delete.
10036         (isync, lwsync): Use unspec instead of unspec_volatile.
10037         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10038         Revert UNSPEC_VOLATILE.
10039         (rs6000_split_atomic_op): New.
10040         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10041
10042 2005-07-14  Eric Christopher  <echristo@redhat.com>
10043
10044         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10045         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10046
10047 2005-07-14  Eric Christopher  <echristo@redhat.com>
10048
10049         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10050
10051 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10052
10053         PR tree-optimization/22230
10054         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10055         the computation of the four cross productions for "range op range".
10056
10057 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10058             Ulrich Weigand  <uweigand@de.ibm.com>
10059
10060         PR target/20126
10061         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10062         in some insn.
10063
10064 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10065
10066         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10067
10068 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10069
10070         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10071
10072 2005-07-14  Richard Guenther  <rguenther@suse.de>
10073
10074         PR middle-end/22347
10075         * config/i386/i386-protos.h (ix86_function_value): Change
10076         prototype to match new target hook.
10077         * config/i386/i386.c (ix86_value_regno): Change prototype
10078         to take extra type argument.
10079         (TARGET_FUNCTION_VALUE): Define.
10080         (ix86_function_ok_for_sibcall): Pass extra argument to
10081         ix86_value_regno, check return slot rtx for exact match.
10082         (ix86_function_value): Take extra parameter.  Dispatch to
10083         ix86_value_regno with fndecl/fntype as provided.
10084         (ix86_value_regno): Handle extra type argument.
10085         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10086
10087         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10088         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10089         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10090         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10091         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10092
10093 2005-07-14  Richard Guenther  <rguenther@suse.de>
10094
10095         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10096         * calls.c (expand_call): Pass fntype to hard_function_value.
10097         (emit_library_call_value_1): Likewise.
10098         * explow.c: Include target.h.
10099         (hard_function_value): Take extra argument, the fntype.
10100         Use new target hook for function_value.
10101         * expr.h (hard_function_value): Change prototype.
10102         * function.c (aggregate_value_p): Pass 0 as fntype to
10103         hard_function_value.
10104         (assign_parms): Use new target hook for function_value.
10105         Pass 0 as fntype to hard_function_value.
10106         (expand_function_end): Likewise.
10107         * reg-stack.c: Include target.h.
10108         (stack_result): Use new target hook for function_value.
10109         * target-def.h: New target hook function_value.
10110         * target.h: Likewise.
10111         * targhooks.c (default_function_value): New function.
10112         * targhooks.h (default_function_value): Declare.
10113
10114 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10115
10116         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10117
10118 2005-07-14  Jan Hubicka  <jh@suse.cz>
10119
10120         * tree-dfa.c (dump_variable): Use default_def function.
10121         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10122         * tree-ssa.c (verify_use): Likewise.
10123         * tree-ssanames.c (release_ssa_name): Likewise.
10124         * tree-tailcall.c (eliminate_tail_call): Likewise.
10125         (tree_optimize_tail_calls_1): Likewise.
10126         * tree-vrp.c (get_value_range): Likewise.
10127
10128 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10129
10130         * gcc.c (main): Compare language[0] with '*' when iterating over
10131         the infiles.
10132
10133 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10134
10135         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10136         "s390_emit_compare".  Add handling of CCZ1mode.
10137         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10138         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10139         checking.
10140         (s390_branch_condition_mask): Add CCZ1mode handling.
10141         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10142         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10143         Use CCZ1mode instead of CCZmode.
10144         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10145
10146 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10147
10148         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10149         pattern.
10150         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10151
10152 2005-07-13  Eric Christopher  <echristo@redhat.com>
10153
10154         * config/mips/mips.c (mips_canonicalize_comparison): New.
10155         (mips_emit_int_relational): Use.
10156
10157 2005-07-13  Eric Christopher  <echristo@redhat.com>
10158
10159         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10160         static extra parts.
10161         * config/s390/s390.md: Include tpf.md. Move tpf specific
10162         patterns...
10163         * config/s390/tpf.md: To here.
10164         * config/s390/s390.opt: Move tpf specific options...
10165         * config/s390/tpf.opt: to here. Add mmain option.
10166         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10167         * config/s390/tpf.h: Rewrite.
10168
10169 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10170
10171         * doc/tm.texi: Remove @xref{Cross-profiling}.
10172
10173 2005-07-13  Jeff Law  <law@redhat.com>
10174
10175         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10176         expressions, test their _DECL operands for pointer equality rather
10177         than using operand_equal_p.
10178
10179 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10180
10181         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10182         (TARGET_POSIX_IO): This.
10183         * config/darwin.h: Likewise.
10184         * config/freebsd.h: Likewise.
10185         * config/linux.h: Likewise.
10186         * config/lynx.h: Likewise.
10187         * config/netbsd.h: Likewise.
10188         * config/rs6000/linux64.h: Likewise.
10189         * config/rs6000/linux.h: Likewise.
10190         * config/s390/tpf.h: Likewise.
10191         * config/sh/embed-elf.h: Likewise.
10192         * config/sparc/linux64.h: Likewise.
10193         * config/sparc/linux.h: Likewise.
10194         * config/svr4.h: Likewise.
10195         * gcov-io.h: Likewise.
10196
10197         * doc/tm.texi: Updated.
10198
10199         * libgcov.c (create_file_directory): Defined only if
10200         TARGET_POSIX_IO is defined.
10201         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10202         is defined.
10203
10204 2005-07-13  Jan Hubicka  <jh@suse.cz>
10205
10206         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10207
10208 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10209
10210         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10211         structure as argument.
10212
10213 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10214
10215         PR tree-optimization/21921
10216         * tree-iterator.c (tsi_link_before): Support the case when
10217         tsi_end_p (tsi) == true.
10218
10219 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10220
10221         PR tree-optimization/22442
10222         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10223         correctly.
10224
10225 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10226
10227         PR rtl-optimization/20376
10228         * toplev.c (process_options): Enable -fweb and -frename-registers when
10229         unrolling.
10230         * doc/invoke.texi: Update the information about when -fweb and
10231         -frename-registers are enabled.
10232
10233 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10234
10235         PR tree-opt/21840
10236         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10237         if *rhs_p is not a SSA_NAME.
10238
10239 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10240
10241         Fix PR tree-optimization/22422
10242         * tree-ssa-structalias.c (struct variable_info): Add flag for
10243         special vars.
10244         (get_varinfo): Now a static function.
10245         (new_varinfo): init has_union and is_special_var to false.
10246         (solution_set_add): Check has_union.
10247         (do_da_constraint): Move temporary variable so it gets reset
10248         properly.
10249         Also check for special variable.
10250         (do_ds_constraint): Ditto.
10251         (do_sd_constraint): Ditto.
10252         (do_structure_copy): Check for special variable.
10253         (find_func_aliases): Ditto.
10254         (init_base_vars): Set special vars properly.
10255
10256 2005-07-13  Jan Hubicka  <jh@suse.cz>
10257
10258         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10259         do unit-at-a-time.
10260
10261         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10262         (get_expr_operands): Fix thinko wrt flags and subvars.
10263
10264         PR tree-optimize/22379
10265         * tree-inline.c (expand_call_inline): Do not output sorry in early
10266         inlining.
10267
10268 2005-07-12  Dale Johannesen  <dalej@apple.com>
10269
10270         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10271
10272 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10273
10274         PR bootstrap/21704
10275         * host-linux.h: Include limits.h.
10276
10277 2005-07-12  Dale Johannesen  <dalej@apple.com>
10278
10279         * expr.c (compress_float_constant):  Add cost check.
10280         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10281
10282 2005-07-12  Dale Johannesen  <dalej@apple.com>
10283
10284         * gcc.target/i386/compress-float-sse.c:  New.
10285         * gcc.target/i386/compress-float-sse-pic.c:  New.
10286         * gcc.target/i386/compress-float-387.c:  New.
10287         * gcc.target/i386/compress-float-387-pic.c:  New.
10288         * gcc.dg/compress-float-ppc.c:  New.
10289         * gcc.dg/compress-float-ppc-pic.c:  New.
10290
10291 2005-07-12  Eric Christopher  <echristo@redhat.com>
10292
10293         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10294         static extra parts.
10295         * config/s390/s390.md: Include tpf.md. Move tpf specific
10296         patterns...
10297         * config/s390/tpf.md: To here.
10298         * config/s390/s390.opt: Move tpf specific options...
10299         * config/s390/tpf.opt: to here. Add mmain option.
10300         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10301         * config/s390/tpf.h: Rewrite.
10302
10303 2005-07-12  Eric Christopher  <echristo@redhat.com>
10304
10305         * gcc.c (struct infile): Update comment for language.
10306         (main): Rewrite input file resetting code.
10307
10308 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10309
10310         PR tree-opt/22335
10311         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10312         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10313         (lookup_avail_expr): Use constant_boolean_node instead
10314         of boolean_false_node/boolean_true_node.
10315
10316 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10317
10318         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10319         and use it when printing num_edges.
10320
10321 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10322
10323         * doc/extend.texi (Blackfin Built-in Functions): New section.
10324         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10325         @opindex.
10326
10327 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10328
10329         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10330         s/cmpstrsi/cmpstrnsi
10331         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10332         'cmpstrnsi'.
10333         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10334         (init_optabs): Initialize cmpstrn_optab.
10335         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10336         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10337         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10338         * config/i386/i386.md: s/cmpstr/cmpstrn
10339         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10340         * doc/md.texi: Update documentation.
10341
10342 2005-07-11  Richard Henderson  <rth@redhat.com>
10343
10344         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10345         build_va_arg_indirect_ref.
10346         (alpha_gimplify_va_arg): Likewise.
10347         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10348         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10349         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10350         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10351         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10352         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10353         Likewise.
10354         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10355
10356 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10357
10358         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10359         * passes.c (init_optimization_passes): Add pass_empty_loop.
10360         * tree-pass.h (pass_empty_loop): Declare.
10361         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10362         try_remove_empty_loop, remove_empty_loops): New functions.
10363         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10364         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10365
10366 2005-07-12  Peter Barada  <peter@the-baradas.com>
10367
10368         PR middle-end/16719
10369         PR middle-end/18421
10370         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10371         in address registers.
10372         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10373         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10374         alternative of addsi3_5200.
10375
10376 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10377
10378         * config/mips/mips.md (ffs<mode>2): Remove.
10379
10380 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10381
10382         * doc/tree-ssa.texi (Cleanups): Improve description of
10383         TRY_FINALLY_EXPR.
10384         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10385
10386 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10387
10388         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10389         * tree.h (DECL_ARGUMENT_FLD): New macro.
10390
10391 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10392
10393         Fix PR tree-optimization/22404
10394
10395         * tree-ssa-structalias.c (create_variable_info_for): Use
10396         correct offset.
10397
10398 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10399
10400         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10401         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10402         for second comparison operand.
10403         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10404
10405         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10406         (define_insn_reservation "alu"): Likewise.
10407         (csync, ssync): Now of type sync.
10408         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10409         -mcsync-anomaly -mspecld-anomaly.
10410         * config/bfin/bfin.opt (mcsync): Remove.
10411         (mcsync-anomaly, mspecld-anomaly): Add.
10412         * config/bfin/bfin.c: Include "insn-codes.h".
10413         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10414         (TARGET_DEFAULT_TARGET_FLAGS): New.
10415         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10416
10417 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10418
10419         * basic-block.h: Give the BB flags enum a name, bb_flags.
10420         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10421         * cfgcleanup.c (enum bb_flags): Remove here.
10422         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10423         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10424         (update_forwarder_flag): Likewise.
10425         (thread_jump): Likewise.
10426         (try_forward_edges): Likewise.
10427         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10428         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10429         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10430
10431 2005-07-11  Richard Guenther  <rguenther@suse.de>
10432
10433         * config/i386/i386.opt: New target option -msseregparm.
10434         * config/i386/i386.c (override_options): Error out for
10435         -msseregparm but no SSE support.
10436         (ix86_function_sseregparm): Check for global sseregparm.
10437         * doc/invoke.texi: Document -msseregparm.
10438
10439 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10440
10441         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10442         (m32rle-*-linux*): Ditto.
10443
10444 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10445
10446         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10447         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10448         bytes.
10449
10450 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10451
10452         PR middle-end/22239
10453         PR target/20126
10454         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10455         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10456
10457 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10458
10459         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10460         (varmap): Heapify varmap.
10461         (constraints): Heapify constraints.
10462         (struct constraint_graph): Heapify succs and preds.
10463         (constraint_vec_find): Update for heapification.
10464         (constraint_set_union): Ditto.
10465         (insert_into_complex): Ditto.
10466         (constraint_edge_vec_find): Ditto.
10467         (erase_graph_self_edge): Ditto.
10468         (add_graph_edge): Ditto.
10469         (get_graph_weights): Ditto.
10470         (merge_graph_nodes): Ditto.
10471         (build_constraint_graph): Ditto.
10472         (topo_visit): Ditto.
10473         (solve_graph): Ditto.
10474         (create_variable_info_for): Ditto.
10475         (init_base_vars): Ditto.
10476         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10477         (condese_varmap_nodes): Free complex vector.
10478         (clear_edges_for_node): Clear succs and preds vector.
10479
10480 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10481
10482         * tree-ssa-structalias.c (update_alias_info): Change counting of
10483         references to not include vdefs.
10484
10485 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10486
10487         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10488         (up_insert): Ditto.
10489
10490 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10491
10492         * pa.c (pa_commutative_p): Make PLUS commutative when
10493         TARGET_NO_SPACE_REGS is true.
10494
10495 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10496
10497         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10498         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10499         * tree-dfa.c (dump_subvars_for): New.
10500         (debug_subvars_for): New.
10501         (dump_variable): Show subvariables if VAR has them.
10502         * tree-flow-inline.h (get_subvar_at): New.
10503         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10504         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10505         Update all users.
10506         (struct subvar): Change fields offset and size to unsigned
10507         HOST_WIDE_INT.
10508         (dump_subvars_for): Declare.
10509         (debug_subvars_for): Declare.
10510         (get_subvar_at): Declare.
10511         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10512         to unsigned HOST_WIDE_INT *.
10513         (overlap_subvar): Likewise.
10514         * tree-gimple.c (is_gimple_reg): Always return false for
10515         SFTs and memory tags.
10516         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10517         Update all callers.
10518         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10519         (compute_may_aliases): Call compute_points_to_sets.
10520         (collect_points_to_info_for): Remove.
10521         (compute_points_to_and_addr_escape): Remove.
10522         (delete_alias_info): Call delete_points_to_sets.
10523         (compute_flow_sensitive_aliasing): If the call to
10524         find_what_p_points_to returns false, call set_pt_anything.
10525         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10526         (set_pt_anything): Clear pi->pt_vars.
10527         (set_pt_malloc): Remove.
10528         (merge_pointed_to_info): Remove.
10529         (add_pointed_to_expr): Remove.
10530         (add_pointed_to_var): Remove.
10531         (collect_points_to_info_r): Remove.
10532         (is_escape_site): Make extern.
10533         (create_sft): New.
10534         (create_overlap_variables_for): Call it.
10535         * tree-ssa-copy.c (merge_alias_info): Never merge
10536         flow-sensitive alias information.
10537         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10538         offset and size to be unsigned HOST_WIDE_INT.
10539         (add_to_addressable_set): Rename from note_addressable.
10540         Set TREE_ADDRESSABLE as the variables are added to the set.
10541         Update all users.
10542         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10543         operands into VUSEs when adding V_MAY_DEFs for members in an
10544         alias set.
10545         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10546         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10547         (struct variable_info): Add bitfield is_heap_var.
10548         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10549         (new_var_info): Initialize is_heap_var.
10550         (get_constraint_for): Add HEAP variables to the symbol table.
10551         Mark them with is_heap_var.
10552         (update_alias_info): New.  Taken mostly from the old
10553         compute_points_to_and_addr_escape.
10554         (handle_ptr_arith): New.
10555         (find_func_aliases): Call update_alias_info.
10556         Call handle_ptr_info for tcc_binary expressions.
10557         Call mark_stmt_modified.
10558         (create_variable_info_for): If DECL has subvars, do not create
10559         variables for its subvars.  Always add all the fields.
10560         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10561         SFTs, then add all the SFTs of the structure.
10562         If VI->DECL is an aggregate with subvariables, add the SFT at
10563         VI->OFFSET.
10564         (find_what_p_points_to): If VI is an artificial variable,
10565         translate to bitfields in SSA_NAME_PTR_INFO.
10566         If the solution is empty, set pi->pt_vars to NULL
10567         (init_base_vars): Create ANYOFFSET.
10568         (compute_points_to_sets): Rename from create_alias_vars.
10569         Make extern.
10570         (pass_build_pta): Remove.
10571         (delete_points_to_sets): Rename from delete_alias_vars.
10572         (pass_del_pta): Remove.
10573         * tree-ssa-structalias.h (struct alias_info): Move from
10574         tree-ssa-alias.h.
10575         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10576         NUM_REFERENCES_SET): Likewise.
10577         (compute_points_to_sets, delete_points_to_sets): Declare.
10578
10579 2005-07-09  Richard Henderson  <rth@redhat.com>
10580
10581         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10582         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10583         alpha_split_lock_test_and_set_12): New functions.
10584         * config/alpha/alpha-protos.h: Update.
10585         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10586         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10587         * config/alpha/sync.md (I12MODE): New.
10588         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10589         (sync_<fetchop_name><I48MODE>): Likewise.
10590         (sync_nand<I48MODE>): Likewise.
10591         (sync_old_<fetchop_name><I48MODE>): Likewise.
10592         (sync_new_<fetchop_name><I48MODE>): Likewise.
10593         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10594         (sync_compare_and_swap<I48MODE>): Likewise.
10595         (sync_lock_test_and_set<I48MODE>): Likewise.
10596         (sync_compare_and_swap<I12MODE>): New.
10597         (sync_compare_and_swap<I12MODE>_1): New.
10598         (sync_lock_test_and_set<I12MODE>): New.
10599         (sync_lock_test_and_set<I12MODE>_1): New.
10600
10601 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10602
10603         PR 21356
10604         PR 22332
10605         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10606
10607 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10608
10609         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10610         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10611
10612 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10613
10614         PR target/21656
10615         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10616
10617 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10618
10619         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10620         memory_operand constraint.
10621         (store_conditional_<mode>): Same.
10622         (sync_compare_and_swap<mode>): Same.
10623         (sync_lock_test_and_set<mode>): Same.
10624
10625 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10626
10627         Rewrite PIC support to more closely model actual instructions.
10628         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10629         (cris_symbol): Remove prototypes for removed functions.
10630         (cris_pic_symbol_type_of, cris_valid_pic_const)
10631         (cris_expand_pic_call_address): Prototypes for new functions.
10632         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10633         variable.
10634         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10635         modifiers.
10636         <case ':'>: Add case for new punctuation character.
10637         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10638         emitting (extra) PIC modifier.
10639         <case UNSPEC>: Do not assert for PLT.
10640         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10641         (cris_expand_prologue, cris_expand_epilogue): Check
10642         for pic_offset_table_rtx usage instead of taking
10643         current_function_uses_pic_offset_table as the final word.
10644         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10645         Remove flag_pic difference.
10646         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10647         the moral equivalents of...
10648         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10649         functions.
10650         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10651         (cris_handle_option): Mark ARG as unused.
10652         (cris_expand_pic_call_address): New worker function for "call",
10653         "call_value".
10654         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10655         output PIC constructs here.
10656         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10657         as symbol-specific modifers, not whole or part of operands.
10658         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10659         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10660         constants and flag_pic.
10661         (CONSTANT_INDEX_P): Adjust for new functions.
10662         (enum cris_pic_symbol_type): New helper type.
10663         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10664         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10665         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10666         define_constants.
10667         ("movsi"): Emit actual instructions for GOT and relative access.
10668         ("*movsi_got_load"): New pattern to set up the register holding
10669         the GOT pointer.
10670         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10671         Adjust FIXME for 'S'.
10672         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10673         Use "movs" for -fpic cases.
10674         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10675         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10676         ("call", "call_value"): Just call cris_expand_pic_call_address for
10677         PIC addresses.
10678         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10679         Remove special pattern.
10680         ("*expanded_call_side", "*expanded_call_value_side"): New
10681         patterns.
10682         (gotplt-to-plt, gotplt-to-plt-side-call)
10683         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10684         peephole2:s.
10685         * config/cris/cris/predicates.md
10686         ("cris_general_operand_or_gotless_symbol"): Remove unused
10687         predicate.
10688         ("cris_general_operand_or_symbol"): Adjust for new functions.
10689
10690 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10691
10692         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10693
10694 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10695
10696         * Makefile.in (TREE_H): Add treestruct.def.
10697         (c-decl.o): Add pointer-set.h
10698         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10699         visibility on regular DECL's.
10700         (merge_decls): Fix the copying of decl nodes of various types for
10701         the new structures.  Don't update RTL, section name, weak status,
10702         etc, on DECL's without RTL.
10703         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10704         Don't check volatile on non-variable types.
10705         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10706         to check whether we have seen arguments.
10707         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10708         flag is checked before field (flag is common, field is not).
10709         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10710         TS_DECL_COMMON could have an origin.
10711         (add_location_or_const_value_attribute): Don't check section name
10712         on non-var/function decls.
10713         (dwarf2out_var_location): Reverse order of tests.
10714         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10715         with DECL_WRTL_CHECK.
10716         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10717         * fold-const.c (fold_binary): Don't check weakness on
10718         non-var/function decls.
10719         (tree_expr_nonzero_p): Ditto.
10720         (fold_checksum_tree): Use tree_decl_extra as sizeof
10721         buffer.
10722         * ggc-page.c (extra_order_size_table): Add sizes for
10723         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10724         tree_field_decl.
10725         * gimplify.c (gimplify_bind_expr): Only set
10726         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10727         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10728         without RTL.
10729         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10730         * langhooks.h (init_ts). New langhook.
10731         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10732         * print-tree.c (print_node): Update to only print fields that
10733         exist in the structures the passed decl has.
10734         * toplev.c (wrapup_global_declarations): Don't reset
10735         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10736         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10737         * tree-inline.c (remap_decl): Ditto.
10738         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10739         * tree-pretty-print.c (print_declaration): Don't print
10740         DECL_REGISTER on things that don't contain it.
10741         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10742         non-var/function decls.
10743         * tree.c (tree_contains_struct): New structure.
10744         (init_priority_for_decl): New hashtable.
10745         (tree_int_map): New structure.
10746         (tree_int_map_eq): New function.
10747         (tree_int_map_marked_p): Ditto.
10748         (tree_int_map_hash): Ditto.
10749         (tree_map): Move to tree.h.
10750         (tree_map_eq): Externalize.
10751         (tree_map_hash): Ditto.
10752         (tree_map_marked_p): Ditto.
10753         (init_ttree): Set up tree_contains_struct and call langhook.
10754         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10755         (tree_code_size): Update for new structures.
10756         (tree_node_structure): Update for new structures.
10757         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10758         without the field.
10759         (copy_node_stat):  Copy init priority.
10760         (build_decl_stat): Ditto for visibility.
10761         (ts_enum_names): New.
10762         (tree_contains_struct_check_failed): New function.
10763         (decl_init_priority_lookup): Ditto.
10764         (decl_init_priority_insert): Ditto.
10765         * treestruct.def: New file.
10766         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10767         (CONTAINS_STRUCT_CHECK): Ditto.
10768         (tree_contains_struct_check_failed): New prototype.
10769         (DECL_CHECK): Removed.
10770         (DECL_MINIMAL_CHECK): New.
10771         (DECL_COMMON_CHECK): Ditto.
10772         (DECL_WRTL_CHECK): Ditto.
10773         (DECL_NON_COMMON_CHECK): Ditto.
10774         (DECL_WITH_VIS_CHECK): Ditto.
10775         (VAR_OR_FUNCTION_DECL_P): Ditto
10776         (struct tree_decl_minimal): New structure.
10777         (struct tree_decl_common): Ditto.
10778         (struct tree_decl_with_rtl): Ditto.
10779         (struct tree_decl_with_vis): Ditto.
10780         (struct tree_decl_non_common): Ditto.
10781         (struct tree_field_decl): Ditto.
10782         (struct tree_parm_decl): Ditto.
10783         (struct tree_var_decl): Ditto.
10784         (struct tree_function_decl): Ditto.
10785         (struct tree_const_decl): Ditto.
10786         (struct tree_result_decl): Ditto.
10787         (union tree_node): Add new structures.
10788         * var-tracking.c (track_expr_p): Reverse order of tests.
10789
10790         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10791
10792 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10793
10794         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10795         * system.h: Poison FINALIZE_PIC.
10796         * doc/tm.texi (FINALIZE_PIC): Remove.
10797
10798 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10799
10800         PR tree-opt/22329
10801         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10802         to the correct type if we have a MODIFY_EXPR.
10803
10804 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10805
10806         PR tree-optimization/22360
10807         * tree.c (upper_bound_in_type): Fix calculations for casting
10808         to a non-wider signed type and casting a signed value to a
10809         wider unsigned type.
10810         (lower_bound_in_type): Fix calculations for casting to a
10811         non-wider signed type.
10812
10813         PR tree-optimization/20139
10814         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10815         release_defs.
10816         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10817         fold_cond_expr_cond.
10818         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10819         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10820
10821 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10822
10823         PR tree-opt/22356
10824         * tree-complex.c (expand_complex_libcall): Produce
10825         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10826
10827 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10828
10829         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10830         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10831         b" assert and inserted fastpath code for this case.
10832         (bitmap_ior): Removed "a != b" assert.
10833
10834 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10835
10836         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10837         (ENDFILE_SPEC): Likewise.
10838         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10839
10840         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10841         a large stack frame at epilogue.
10842
10843 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10844
10845         * final.c: Include sdbout.h when required.
10846
10847 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10848
10849         * config.gcc (*-*-darwin*): Only one target-specific header file
10850         for generic darwin.
10851         (powerpc-*-darwin*): Add version-specific header files.
10852         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10853         * config.in: Regenerate.
10854         * configure: Regenerate.
10855         * gcc.c: Include xregex.h.
10856         (version_compare_spec_function): New.
10857         (spec_function): Add version-compare.
10858         (replace_outfile_spec_function): Reformat comment.
10859         (compare_version_strings): New.
10860         * config/darwin-c.c (version_as_macro): New.
10861         (builtin_define): New.
10862         (darwin_cpp_builtins): New.
10863         * config/darwin-protos.h (darwin_cpp_builtins): New.
10864         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10865         (LIB_SPEC): Make unconditional, update comment.
10866         (TARGET_C99_FUNCTIONS): Define.
10867         * config/darwin.opt: Sort.
10868         (mmacosx-version-min=): New.
10869         * config/darwin7.h: Delete.
10870         * config/darwin8.h: Delete.
10871         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10872         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10873         (TARGET_C99_FUNCTIONS): Define.
10874         * config/rs6000/darwin7.h: New.
10875         * config/rs6000/darwin8.h: New.
10876         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10877         (-mmacosx-version-min): Document.
10878
10879 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10880
10881         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10882
10883 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10884
10885         PR middle-end/22239
10886         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10887
10888 2005-07-07  Khem Raj  <kraj@mvista.com>
10889
10890         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10891         in bytes, not words.
10892
10893 2005-07-07  Paul Brook  <paul@codesourcery.com>
10894
10895         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10896         DEFAULT_FUNCTION_ARG_PADDING to upward.
10897
10898 2005-07-07  Richard Henderson  <rth@redhat.com>
10899
10900         * function.c (locate_and_pad_parm): Record parameter alignment in
10901         stack_alignment_needed.
10902
10903 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10904
10905         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10906         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10907         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10908         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10909         (define_attr "type"): Add isync, sync, load_l, store_c.
10910         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10911         Create scratch volatile MEM.
10912         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10913         sync.
10914         (load_locked_<mode>): New.
10915         (store_conditional_<mode>): New.
10916         (sync_compare_and_swap<mode>): Replace with splitter.
10917         (sync_lock_test_and_set<mode>): Replace with splitter.
10918         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10919         and UNSPECV_ISYNC.
10920         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10921         is ics.  Attribute isync.
10922         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10923         lwsync.
10924         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10925         and UNSPECV_SYNC_OP.
10926         (emit_unlikely_jump): New.
10927         (emit_load_locked): New.
10928         (emit_store_conditional): New.
10929         (rs6000_split_compare_and_swap): New.
10930         (rs6000_split_lock_test_and_set): New.
10931         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10932         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10933         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10934         rs6000_split_lock_test_and_set): Declare.
10935         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10936         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10937         store_c, isync, sync.
10938
10939 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10940
10941         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10942         filenames to gtyp-gen.h.
10943         (s-typ-gen): Use it in place of for loops.
10944
10945 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10946
10947         * hooks.c (hook_bool_rtx_int_false): New function.
10948         * hooks.h (hook_bool_rtx_int_false): Declare.
10949         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10950         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10951         * target.h (struct gcc_target): Add commutative_p member.
10952         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10953         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10954         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10955         (pa_commutative_p): New function.
10956         * jump.c (target.h): Include.
10957         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10958         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10959
10960 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10961
10962         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10963         (s390_expand_setmem): New.
10964         * config/s390/s390.c: Likewise.
10965         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10966         Adapt comments.
10967         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10968         general_operand.  Call new function "s390_expand_setmem".
10969         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10970         ("setmem_long", "*setmem_long"): ... this.
10971
10972 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10973
10974         * config/s390/s390.c: (optimization_options): Enable
10975         TARGET_MVCLE at -Os.
10976         * doc/invoke.texi: Document changes in default behaviour.
10977         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10978
10979 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10980
10981         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10982         defined by back-end.
10983
10984 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10985
10986         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10987         all sets in the pattern.
10988         * config/rs6000/rs6000.md (stack_protect_testsi,
10989         stack_protect_testdi): Likewise.
10990
10991 2005-07-06  Jeff Law  <law@redhat.com>
10992
10993         * tree-vrp.c (simplify_using_ranges): Kill.
10994         (vrp_finalize): Remove call to simplify_using_ranges.
10995         (simplify_stmt_using_ranges): New function extracted from
10996         simplify_using_ranges.
10997         (simplify_div_or_mod_using_ranges): Likewise.
10998         (simplify_abs_using_ranges): Likewise.
10999         (simplify_cond_using_ranges): New function.
11000         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11001         * tree-ssa-propagate.c (substitute_and_fold): Call
11002         simplify_stmt_using_ranges if we have range information.
11003
11004 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11005
11006         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11007         ia64_flag_schedule_isns2.
11008
11009         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11010         reading/writing general registers.
11011         (ia64_function_arg): Revert 2005-06-18 change.
11012
11013 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11014
11015         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11016         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11017
11018 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11019
11020         * function.c (expand_function_end): Revert part of 2005-06-27
11021         patch.  Do sjlj_emit_function_exit_after after return_label.
11022
11023 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11024
11025         * doc/install.texi (--disable-libssp): New.
11026
11027 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11028
11029         * doc/invoke.texi: Update -fforce-mem documentation.
11030         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11031         code for -fforce-mem.
11032         * expmed.c: (store_bit_field,store_fixed_bit_field,
11033         extract_bit_field): Ditto.
11034         * expr.c: (convert_move): Ditto.
11035         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11036         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11037         emit_conditional_add,expand_float,expand_fix): Ditto.
11038         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11039         (common_handle_option): Issue warning when -fforce-mem specified.
11040
11041 2005-07-06  Paul Brook  <paul@codesourcery.com>
11042
11043         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11044         argument is empty.
11045         * configure: Regenerate.
11046
11047 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11048
11049         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11050
11051 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11052
11053         Fix PR tree-optimization/22319
11054         Fix PR tree-optimization/22140
11055         Fix PR tree-optimization/22310
11056
11057         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11058         variable sized types.
11059         Use correct type for intermediate structure on *a = *b structure
11060         copies.
11061
11062 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11063
11064         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11065         Remove.
11066         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11067         (machine_function): Move typedef to...
11068         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11069         varargs_save_offset field.
11070         (rs6000_stack_t): Remove varargs_size field.
11071         (setup_incoming_varargs): Allocate varargs save area using
11072         assign_stack_local, try to make it as small as possible.
11073         Save offset from virtual_stack_vars_rtx to the save area
11074         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11075         instead of magic 8 when fp word byte size is used.
11076         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11077         instead of -RS6000_VARARGS_SIZE.
11078         (rs6000_stack_info, debug_stack_info,
11079         rs6000_initial_elimination_offset): Remove all traces of
11080         varargs_size.
11081         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11082         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11083         RS6000_VARARGS_AREA.
11084
11085 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11086
11087         PR tree-optimization/21963
11088         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11089         constant_multiple_of in the same way get_computation_cost_at does.
11090
11091 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11092
11093         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11094         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11095         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11096         and return its previous value.
11097         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11098         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11099         constants.
11100         (stack_protect_set, stack_protect_test): New expanders.
11101         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11102         stack_protect_testdi): New insns.
11103         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11104         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11105
11106 2005-07-06  Jeff Law  <law@redhat.com>
11107
11108         * tree-ssa-dce.c (cfg_altered): New global.
11109         (tree_dce_init): Initialize cfg_altered.
11110         (remove_dead_stmt): If we remove an edge in the CFG, then set
11111         CFG_ALTERED.
11112         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11113         the dominators.
11114
11115 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11116
11117         * Makefile.in (stamp-collect-ld): Use
11118         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11119         ./collect-ld if it already exists.
11120         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11121         Don't remove ./nm if it already exists.
11122
11123 2005-07-05  Devang Patel  <dpatel@apple.com>
11124
11125         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11126         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11127         * tree-vectorizer.c (vect_loop_location): New.
11128         (vect_print_dump_info): Use vect_loop_location.
11129         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11130         (vectorize_loops): Set vect_loop_location.
11131         * tree-vect-analyze.c (vect_analyze_offset_expr,
11132         vect_determin_vectorization_factor, vect_analyze_operations,
11133         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11134         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11135         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11136         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11137         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11138         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11139         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11140         vect_analyze_loop): Adjust vect_print_dump_info API.
11141         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11142         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11143         vect_finish_stmt_generation, vectorizable_assignment,
11144         vectorizable_operation, vectorizable_store, vectorizable_load,
11145         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11146         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11147         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11148         vect_transform_loop): Same.
11149         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11150         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11151         Same.
11152
11153 2005-07-05  Randolph Chung  <tausq@debian.org>
11154
11155         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11156         * configure: Regenerate.
11157         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11158         (pa_tls_referenced_p): Declare.
11159         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11160         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11161         (legitimize_tls_address): New.
11162         (hppa_legitimize_address): Handle TLS addresses.
11163         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11164         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11165         (emit_move_sequence): Handle TLS addresses.
11166         (pa_encode_section_info): Call default handler to handle common
11167         sections.
11168         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11169         (CONSTANT_ADDRESS_P): Reject TLS operands.
11170         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11171         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11172         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11173         (UNSPEC_TLSLE): Define new constants.
11174         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11175         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11176         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11177         (tie_symbolic_operand, tle_symbolic_operand): New
11178
11179 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11180
11181         * aclocal.m4: Update macros for autoconf 2.59 style.
11182         * configure.ac: Likewise.
11183
11184 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11185
11186         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11187         (function_arg): Pass small aggregates in general registers on 32-bit
11188         targets.
11189         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11190
11191 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11192
11193         * Makefile.in (final.o): Fix dependencies.
11194
11195 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11196
11197         PR c/22013
11198         PR c/22098
11199         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11200         * langhooks.c (lhd_expr_to_decl): New.
11201         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11202         New.
11203         (LANG_HOOKS_INITIALIZER): Update.
11204         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11205         expr_to_decl langhook.
11206         * c-tree.h (c_expr_to_decl): Declare.
11207         * c-typeck.c (c_expr_to_decl): New.
11208         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11209         specially.
11210         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11211
11212 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11213
11214         PR c/22308
11215         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11216         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11217
11218 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11219
11220         * Makefile.in: Adjust dependencies.
11221         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11222         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11223         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11224         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11225         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11226         rest_of_compilation.
11227
11228         * bb-reorder.c (gate_duplicate_computed_gotos,
11229         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11230         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11231         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11232         pass_partition_blocks): New.
11233         * bt-load.c (gate_handle_branch_target_load_optimize,
11234         rest_of_handle_branch_target_load_optimize,
11235         pass_branch_target_load_optimize): New.
11236         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11237         pass_jump2): New.
11238         * cfglayout.c (pass_insn_locators_initialize): New.
11239         * cfgrtl.c (pass_free_cfg): New.
11240         * combine.c (gate_handle_combine, rest_of_handle_combine,
11241         pass_combine): New.
11242         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11243         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11244         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11245         * except.c (pass_set_nothrow_function_flags,
11246         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11247         pass_rtl_eh): New.
11248         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11249         rest_of_handle_shorten_branches, pass_shorten_branches,
11250         rest_of_clean_state, pass_clean_state): New.
11251         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11252         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11253         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11254         pass_flow2): New.
11255         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11256         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11257         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11258         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11259         pass_gcse): New.
11260         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11261         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11262         pass_rtl_ifcvt, gate_handle_if_after_combine,
11263         rest_of_handle_if_after_combine, pass_if_after_combine,
11264         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11265         pass_if_after_reload): New.
11266         * integrate.c (pass_initial_value_sets): New.
11267         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11268         pass_purge_lineno_notes): New.
11269         * mode-switching.c (rest_of_handle_mode_switching,
11270         pass_mode_switching): New.
11271         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11272         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11273         pass_loop2): New.
11274         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11275         pass_loop_optimize): New.
11276         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11277         pass_sms): New.
11278         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11279         pass_gcse2): New.
11280         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11281         pass_postreload_cse): New.
11282         * profile.c (gate_handle_profiling, pass_profiling,
11283         rest_of_handle_branch_prob, pass_branch_prob): New.
11284         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11285         pass_split_before_regstack, gate_handle_split_before_regstack,
11286         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11287         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11288         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11289         pass_stack_regs): New.
11290         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11291         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11292         pass_stack_adjustments): New.
11293         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11294         pass_regrename): New.
11295         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11296         pass_delay_slots, gate_handle_machine_reorg,
11297         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11298         * rtl.h (extern void purge_line_number_notes): New.
11299         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11300         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11301         pass_sched2): New.
11302         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11303         pass_tracer): New.
11304         * value-prof.c (gate_handle_value_profile_transformations,
11305         rest_of_handle_value_profile_transformations,
11306         pass_value_profile_transformations): New.
11307         * var-tracking.c (gate_handle_var_tracking,
11308         pass_variable_tracking): New.
11309         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11310
11311         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11312         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11313         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11314         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11315         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11316         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11317         rest_of_handle_gcse2, rest_of_handle_regmove,
11318         rest_of_handle_tracer, rest_of_handle_if_conversion,
11319         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11320         rest_of_handle_web, rest_of_handle_branch_prob,
11321         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11322         rest_of_handle_jump_bypass, rest_of_handle_combine,
11323         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11324         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11325         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11326         rest_of_handle_mode_switching, rest_of_handle_jump,
11327         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11328         rest_of_handle_flow2, rest_of_handle_jump2,
11329         rest_of_handle_peephole2, rest_of_handle_postreload,
11330         rest_of_handle_shorten_branches, rest_of_clean_state,
11331         rest_of_compilation): Remove.
11332
11333         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11334         * passes.c (dump_flags, in_gimple_form, all_passes,
11335         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11336         register_dump_files, next_pass_1, last_verified, execute_todo,
11337         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11338         from tree-optimize.c.
11339         (init_optimization_passes): Moved from tree-optimize.c,
11340         adding the RTL optimizations.
11341         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11342         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11343         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11344         register_dump_files, next_pass_1, last_verified, execute_todo,
11345         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11346         init_tree_optimization_passes, ipa_passes): Delete.
11347         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11348         the RTL dumps.
11349         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11350         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11351         from tree.h.
11352         (ipa_passes): Remove.
11353         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11354         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11355         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11356         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11357         (dump_info_p, dump_flag): Moved to tree-dump.h.
11358
11359         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11360         cgraph.c, opts.c.
11361         * passes.c (finish_optimization_passes): Use dump_begin
11362         and dump_end, TDI_end.
11363         (gate_rest_of_compilation): New.
11364         (pass_rest_of_compilation): Use it.
11365         (gate_postreload, pass_postreload): New.
11366         * toplev.c (general_init): Rename init_tree_optimization_passes.
11367         * toplev.h (init_tree_optimization_passes): Rename to
11368         init_optimizations_passes.
11369         * tree-dump.c (dump_flag): Make static.
11370         (dump_files): Remove RTL dumps.
11371         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11372         pass_cleanup_cfg, pass_free_cfg_annotations,
11373         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11374         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11375         * tree-pretty-print.c: Include tree-pass.h.
11376         * cgraph.c: Include tree-dump.h.
11377
11378 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11379
11380         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11381         Only fall back to saying it points to readonly memory if
11382         we can't do better.
11383
11384 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11385
11386         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11387         * config/m32r/m32r.c (m32r_compute_frame_size,
11388         m32r_expand_prologue): Take current_function_profile into
11389         account whenever we reference
11390         current_function_uses_pic_offset_table.
11391         (m32r_finalize_pic): Remove.
11392         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11393
11394 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11395
11396         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11397         instead of $<.  Don't remove ./as if it already exists.
11398
11399 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11400
11401         PR target/21723
11402         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11403         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11404         for complex modes when generating code for PA 1.0.
11405         (VALID_FP_MODE_P): New macro.
11406         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11407         sets for all general and floating point modes.  Align wide floating
11408         point modes to even register boundaries to comply with architectural
11409         requirements.
11410         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11411         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11412         (VALID_FP_MODE_P): New macro.
11413         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11414         sets for all general and floating point modes.  Align wide floating
11415         point modes to even register boundaries to comply with architectural
11416         requirements.
11417
11418 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11419
11420         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11421         to 0.
11422
11423 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11424
11425         * tree-ssa-structalias.c: Don't include expr.h.
11426
11427 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11428
11429         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11430         comments.
11431
11432 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11433
11434         Fix PR tree-optimization/22279
11435
11436         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11437         correct operator.
11438
11439 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11440
11441         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11442
11443 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11444
11445         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11446         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11447         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11448         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11449         config/stormy16/stormy16.c, config/v850/v850.c,
11450         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11451         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11452         Avoid "." or "\n" at end of diagnostics and capital letters at
11453         start of diagnostics.
11454         * combine.c, cse.c: Don't translate dump file output.
11455         * toplev.c (print_version): Only translate output if going to
11456         stderr.
11457
11458 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11459
11460         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11461         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11462         typos.
11463
11464 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11465
11466         * pa.c (fix_range): Fix typo in comment.
11467
11468 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11469
11470         * tree-vrp.c (extract_range_from_assert): Replace
11471         fold (build (...)) with fold_build2.
11472
11473 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11474
11475         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11476         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11477         (format_types_orig, handle_format_attribute): Add support for
11478         format "gcc_gfc".
11479
11480 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11481
11482         * varasm.c (assemble_variable): Fix format specifier thinko.
11483
11484 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11485
11486         PR tree-optimization/22029 (and 22135)
11487         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11488         a phi node before calling dump_vops.
11489
11490 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11491
11492         * tree-dump.h (dump_string_field): Declare.
11493         * tree-dump.c: Use it instead of dump_string.
11494         (dump_string_field): Make non-static.
11495
11496 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11497
11498         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11499         up the minimal CFG stuff always when optimize > 0.  Call
11500         split_all_insns_noflow in PIC case if needed.
11501
11502 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11503             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11504
11505         PR c++/18279
11506         * c-decl.c (c_write_global_declarations): Dump contents of
11507         external scope to.
11508         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11509         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11510         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11511         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11512         is enabled.
11513
11514 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11515
11516         * c-common.h (GCC_DIAG_STYLE): Define.
11517         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11518         version for format checking to 4.1.
11519         * c-format.c: Include toplev.h after c-common.h.
11520         (enum format_type): Add gcc_tdiag_format_type.
11521         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11522         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11523         (format_types_orig): Add gcc_tdiag.
11524         (init_dynamic_diag_info): Support gcc_tdiag formats.
11525         (handle_format_attribute): Likewise.
11526         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11527         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11528         version for format checking to 4.1.
11529         (warning0, warning, error, pedwarn, sorry): Use
11530         ATTRIBUTE_GCC_DIAG.
11531         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11532         (finish_aliases_1): Do not use %qE.
11533         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11534         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11535         Correct format bugs.
11536         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11537         parameter to unsigned HOST_WIDE_INT.
11538         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11539
11540 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11541
11542         PR middle-end/21742
11543         * expr.c (write_complex_part): Use adjust_address for MEM.
11544         (read_complex_part): Same.
11545
11546 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11547
11548         Fix PR tree-optimization/22280
11549
11550         * tree-sra.c (generate_element_init): Remove useless loop.
11551
11552 2005-07-02  Richard Henderson  <rth@redhat.com>
11553
11554         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11555         TLS_MODEL_NONE.
11556         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11557
11558 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11559
11560         PR middle-end/14490
11561         * fold-const.c (fold_binary): Handle the return value of
11562         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11563         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11564
11565 2005-07-02  Jeff Law  <law@redhat.com>
11566
11567         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11568         a eliminate type conversion which feeds an equality comparison
11569         if the original type or either operand in the comparison is a
11570         function pointer.
11571
11572 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11573
11574         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11575         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11576         texts.
11577         * config/avr/avr.c: Do not use '`' as left quote.
11578         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11579         Remove "." from end of diagnostics.  Make diagnostics start with
11580         lowercase letter.
11581
11582 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11583             Joseph S. Myers  <joseph@codesourcery.com>
11584
11585         * toplev.c (default_tree_printer): Handle setting location with
11586         '+' flag.
11587         * c-objc.common.c (c_tree_printer): Likewise.
11588         * c-format.c (gcc_diag_flag_specs): Add '+'.
11589         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11590         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11591         formats.
11592         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11593         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11594         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11595         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11596         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11597         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11598         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11599         format arguments where %J is used without %D.
11600
11601 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11602
11603         * gcc.c (LINK_SSP_SPEC): Define.
11604         (link_ssp_spec): New variable.
11605         (LINK_COMMAND_SPEC): Add %(link_ssp).
11606         (static_specs): Add link_ssp_spec.
11607         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11608         * configure: Rebuilt.
11609         * config.in: Rebuilt.
11610
11611         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11612         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11613         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11614         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11615         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11616         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11617         -0x7008(2) instead of reading __stack_chk_guard variable.
11618         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11619         number.
11620         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11621         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11622         if TARGET_THREAD_SSP_OFFSET is defined.
11623         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11624         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11625
11626         Revert:
11627         2005-06-27  Richard Henderson  <rth@redhat.com>
11628         * libgcc-std.ver (GCC_4.1.0): New.
11629         * libgcc.h (__stack_chk_guard): Declare.
11630         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11631         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11632         * mklibgcc.in (lib2funcs): Add them.
11633
11634 2005-07-01  Richard Henderson  <rth@redhat.com>
11635
11636         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11637         void * before struct sigcontext *.
11638         (x86_fallback_frame_state): Likewise.
11639
11640 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11641
11642         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11643
11644 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11645
11646         PR tree-opt/22269
11647         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11648         we check for SSA_NAME for.
11649
11650 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11651
11652         Fix PR tree-optimization/22071
11653
11654         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11655         function.
11656         (get_constraint_for_component_ref): Use it.
11657
11658 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11659
11660         PR other/22264
11661         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11662         print out the last new line.
11663
11664 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11665
11666         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11667         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11668         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11669         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11670         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11671         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11672         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11673         (enum reg_class): New member CC0_REGS.
11674         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11675         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11676         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11677         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11678         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11679         Adjust for register now described.
11680
11681 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11682
11683         PR target/22262
11684         * config/i386/i386.md (stack_protect_test_si,
11685         stack_protect_test_di): Add earlyclobber for scratch 3.
11686         * config/rs6000/rs6000.md (stack_protect_testsi,
11687         stack_protect_testdi): Add earlyclobber for scratch 3,
11688         remove earlyclobber from scratch 4.
11689
11690 Older entries for 2005 can be found in ChangeLog-2005.