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* tree-ssa-operands.c (build_ssa_operands): Update leading comment.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
2
3         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
4
5 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
6
7         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
8         PARALLELs with a mode.
9
10 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
11
12         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
13         cond_expr parameter.
14
15 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
16
17         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
18
19 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
20
21         PR bootstrap/25397:
22
23         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
24         of STACK_REGS bits.
25
26         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
27
28 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
29
30         PR target/25254
31         PR target/24188
32         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
33         DECL_P, call get_section rather than get_named_section.  Supply
34         section flags to it.
35
36 2005-12-14  Ben Elliston  <bje@au.ibm.com>
37
38         * c-common.c (c_common_truthvalue_conversion): Generalise warning
39         for addresses converted to booleans; not just function addresses.
40         * c-typeck.c (build_binary_op): Warn for address comparisons which
41         can never be NULL (eg. func == NULL or &var == NULL).
42         * common.opt (Walways-true): New option.
43         * c-opts.c (c_common_handle_option): Set it with -Wall.
44         * doc/invoke.texi: Document it.
45
46 2005-12-13  Paul Brook  <paul@codesourcery.com>
47
48         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
49         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
50
51 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
52
53         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
54         (EXTRA_MULTILIB_PARTS): Define.
55
56 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
57
58         PR rtl-optimization/20070 / part1
59         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
60         count_or_remove_death_notes with kill == -1.
61         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
62         registers if PROP_POST_REGSTACK is set.
63         (mark_used_reg): Likewise.
64         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
65         REG_UNUSED notes for stack regs.
66         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
67         to match rtx_equiv_p machinery.  Change caller.
68         (outgoing_edges_match): Likewise.
69         (try_crossjump_to_edge): Use struct_equiv_block_eq
70         instead of flow_find_cross_jump.
71         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
72         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
73         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
74         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
75         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
76         (insns_match_p): Update prototype.
77         (flow_find_cross_jump): Remove prototype.
78         (struct_equiv_block_eq, struct_equiv_init): Declare.
79         (rtx_equiv_p, condjump_equiv_p): Likewise.
80         * struct-equiv.c: Include reload.h.
81         (IMPOSSIBLE_MOVE_FACTOR): Define.
82         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
83         (struct_equiv_improve_checkpoint): Likewise.
84         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
85         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
86         (struct_equiv_merge, find_dying_input): Likewise.
87         (resolve_input_conflict, note_local_live): Likewise.
88         (death_notes_match_p): Change parameters and processing
89         to match rtx_equiv_p machinery.  Change caller.
90         (insns_match_p): Likewise.
91         (flow_find_cross_jump): Replace with:
92         (struct_equiv_block_eq).
93
94         Back out this change:
95         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
96           * recog.c (verify_changes): Make it static.
97           * recog.h: Remove the corresponding prototype.
98
99 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
100
101         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
102         values.
103
104 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
105
106         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
107         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
108         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
109         TARGET_MS1_64_001 appropriately.
110         (ms1_machine_reorg): Use TARGET_MS2.
111
112 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
113
114         PR debug/25023
115         PR target/25293
116         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
117         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
118         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
119         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
120         Set mode to SI, adjust constraints.
121         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
122         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
123         32-bit code.
124
125 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
126
127         * c-cppbuiltin.c (builtin_define_float_constants): Add
128         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
129         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
130         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
131         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
132         to "((double)%sL)" otherwise "%s".
133
134 2005-12-13  Paul Brook  <paul@codesourcery.com>
135
136         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
137         apcs/atpcs.
138
139 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
140
141         * tree-flow.h: Allow compilation with a C++ compiler.
142         (struct edge_prediction): Prefix all field names  with "ep_".
143         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
144         (tree_predict_edge, combine_predictions_for_bb): Likewise.
145         (remove_predictions_associated_with_edge): Likewise.
146         
147 2005-12-12  Jeff Law  <law@redhat.com>
148
149         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
150         reassociation code.
151         * passes.c (init_optimization_passes): Run reassociation again
152         after loop optimizations.
153
154 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
155
156         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
157         if necessary.
158         (optimize_stmt): Ditto.
159         (canonicalize_comparison): New function.
160         * tree-ssa-operands.c (swap_tree_operands): Make external.
161         (get_expr_operands): Stop auto-canonicalization.
162         * tree-ssa-reassoc.c: Rewrite.
163         (init_optimization_passes): 
164         * tree-flow.h (swap_tree_operands): Prototype.
165         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
166
167 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
168
169         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
170         indicate function epilogue has been output.
171         (pa_asm_output_mi_thunk): Likewise.
172         (output_deferred_plabels): Put plabels in readonly data section when
173         not generating PIC code.
174         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
175         information.  Add assert.
176         (som_output_comdat_data_section_asm_op): New function.
177         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
178         instead of output_section_asm_op for COMDAT sections.
179
180 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
181
182         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
183         Fix whitespace in vincinity of to-be-installed changes.
184         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
185         (insns_match_p): Likewise.
186
187 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
188
189         * config.gcc (ms1): Replace with ...
190         (mt): ... this.
191         * config/ms1: Rename to ...
192         * config/mt: ... here.  Rename ms1 files to mt.
193         * config/mt/mt.c: Adjust gt-mt.h #include.
194         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
195         (crti.o, crtn.o): Adjust file names.
196
197 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
198
199         * varray.h: Allow compilation with a C++ compiler.
200         (union varray_data_tag): Prefix all field names with "vdt_".
201         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
202         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
203         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
204         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
205         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
206         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
207         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
208         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
209         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
210         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
211         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
212         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
213         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
214         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
215         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
216         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
217         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
218         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
219         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
220         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
221         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
222         VARRAY_TOP_TREE_PTR): Likewise.
223         * varray.c (varray_grow): Likewise.
224         (varray_clear): Likewise.
225
226 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
227
228         PR target/25299
229         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
230         alignment to doubleword if the first field is a double array.
231         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
232
233 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
234
235         * tree-ssa-structalias.c (process_constraint): Remove code to
236         transform addressofs into scalar.
237         (create_variable_info_for): In whole-program IPA, globals don't
238         point to ANYTHING by default.
239
240 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
241
242         * timevar.def (TV_IPA_PTA): New.
243         * tree-pass.h (pass_ipa_pta): New
244         * tree-ssa-structalias.c: Include cgraph.h
245         (in_ipa_mode): New.
246         (predbitmap_obstack): New.
247         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
248         (struct constraint_stats): Add num_edges.
249         (new_var_info): Don't call bitmap_clear.
250         (struct constraint_edge): Update docs.
251         (new_constraint_edge): Remove src param.
252         (struct constraint_graph): Add zero_weight_succs,
253         zero_weight_preds.  Update docs.
254         (constraint_expr_equal): Reformat.
255         (constraint_edge_equal): Update for removal of src.
256         (constraint_edge_less): Ditto.
257         (constraint_edge_vec_find): Ditto.
258         (erase_graph_self_edge): Update for removal of src and and zero
259         weight bitmap.
260         (clear_edges_for_node): Ditto.
261         (add_graph_edge): Ditto.
262         (get_graph_weights): Ditto.
263         (allocate_graph_weights): Ditto.
264         (merge_graph_nodes): Ditto.
265         (int_add_graph_edge): Ditto.
266         (valid_graph_edge): Ditto.
267         (valid_weighted_graph_edge): Ditto.
268         (build_constraint_graph): Ditto.
269         (scc_visit): Ditto.
270         (collapse_nodes): Ditto.
271         (process_unification_queue): Ditto.
272         (topo_visit): Ditto.
273         (solve_graph): Ditto.
274         (do_structure_copy): Ditto.
275         (perform_var_substitution): Ditto.
276         Init and release obstack.
277         (handle_ptr_arith): Try to resolve directly.
278         (find_func_aliases): Don't call update_alias_info here
279         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
280         (do_sd_constraint): Add code for propagating faster.
281         Update.
282         (do_ds_constraint): Ditto.
283         (count_num_arguments): New function.
284         (create_function_info_for): Ditto.
285         (create_variable_info_for): Handle FUNCTION_DECL.
286         (intra_create_variable_infos): Use make_constraint_to_anything.
287         (init_alias_vars): Init obstacks here.
288         (need_to_solve): Handle zero weight graph changes.
289         (compute_points_to_sets): Call update_alias_info here.
290         (delete_points_to_sets): Free zero weight preds/succs here.
291         (gate_ipa_pta): New.
292         (ipa_pta_execute): New
293
294 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
295
296         * tree-ssa-structalias.c (var_anyoffset): Removed.
297         (anyoffset_tree): Ditto.
298         (anyoffset_id): Ditto.
299         (do_deref): Take vector of constraints, no return value.
300         Update to work on vector.                
301         (get_constraint_for): Ditto.
302         (get_constraint_for_component_ref): Ditto.
303         (do_structure_copy): Ditto.
304         (handle_ptr_arith): Ditto.
305         (find_func_aliases): Ditto.
306         (set_uids_in_ptset): Remove anyoffset handling.
307         (init_base_vars): Ditto.
308
309 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
310
311         PR c++/25010
312         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
313         DECL_EXTERNAL functions have no bodies.  Tidy.
314
315 2005-12-10  Andreas Schwab  <schwab@suse.de>
316
317         * except.c (switch_to_exception_section): Only define if
318         TARGET_UNWIND_INFO is not defined.
319
320 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
321
322         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
323         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
324
325 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
326
327         * output.h (init_section, fini_section): Delete.
328         * varasm.c (init_section, fini_section): Delete.
329         (init_varasm_once): Don't initialize them.
330         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
331         there are no corresponding varasm.c variables.
332
333 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
334
335         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
336         of EH_FRAME_SECTION_NAME into...
337         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
338         if it is still null.
339         * except.c (default_exception_section): Delete, moving most
340         of the code to...
341         (switch_to_exception_section): ...this new function.  Set
342         exception_section if it is still null, then switch to it.
343         (output_function_exception_table): Use switch_to_exception_section.
344         * varasm.c (exception_section, eh_frame_section): Update comments.
345         (get_section): Hoist use of SECTION_NAMED.
346         (init_varasm_once): Don't set exception_section and eh_frame_section.
347         * output.h (default_exception_section): Delete.
348         (default_eh_frame_section): Delete.
349
350 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
351
352         * config/bfin/bfin.c: Include "cgraph.h".
353         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
354         Return the reg that holds the pointer to the GOT.
355         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
356         doing stack checking.
357
358 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
359
360         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
361         recompute_tree_invarant_for_addr_expr.
362         Update uses everywhere.
363
364 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
365
366         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
367         (MULTILIB_DIRNAMES): Define.
368
369 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
370
371         PR target/25311
372         * config/s390/s390.c (struct s390_address): New field literal_pool.
373         (s390_decompose_address): Compute literal_pool field.  Do not 
374         assume register %r13 is always (and solely) used as pool base.
375         (s390_extra_constraint_str): Use literal_pool field.
376
377 2005-12-09  Thiemo Seufer  <ths@networkno.de>
378
379         * config/mips/mips.c (override_options): Don't allow too small
380         integers in FP registers.
381
382 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
383
384         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
385         targetm.binds_local_p to check for local function calls.
386
387 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
388
389         PR debug/24908
390         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
391         call_used_regs can't be used to save reg in another reg.
392
393 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
394             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
395
396         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
397         abort.
398         * except.c (output_ttype): Likewise.
399         * tree-object-size.c (collect_object_sizes_for): Likewise.
400         (check_for_plus_in_loops_1): Likewise.
401         (check_for_plus_in_loops): Likewise.
402         (compute_object_sizes): Use gcc_unreachable instead of abort.
403
404 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
405
406         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
407         (loop_end, loop_init, doloop_end): New insns.
408         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
409         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
410         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
411         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
412         * config/ms1/ms1.c: #include basic-block.h
413         (struct machine_function): Add has_loops field.
414         (ms1_add_loop): New.
415         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
416         (struct loop_info, struct loop_work): New.
417         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
418         (ms1_reorg_loops): New loop optimization.
419         (ms1_machine_reorg): Call it.
420         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
421
422 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
423
424         PR tree-optimization/25248
425         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
426         evolution_of_loop from the failed attempt.  Remove handling
427         of MULT_EXPR.
428
429 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
430
431         * tree.h (DECL_EXTERNAL): Clarify documentation.
432
433 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
434             Jakub Jelinek  <jakub@redhat.com>
435
436         PR target/25268
437         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
438         argument.  Don't drop outer ANDs.
439         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
440         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
441         prototype.
442         * config/s390/predicates.md (setmem_operand): Remove.
443         (shift_count_operand): Rename to...
444         (shift_count_or_setmem_operand): ... this.  Adjust
445         s390_decompose_shift_count caller.
446         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
447         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
448         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
449         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
450         rotl<mode>3_and, setmem_long_and): New insns.
451         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
452         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
453         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
454         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
455         of shift_count_operand.
456         (setmem_long): Use shift_count_or_setmem_operand instead of
457         setmem_operand.
458
459 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
460             Andreas Tobler  <a.tobler@schweiz.ch>
461
462         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
463         tr expression.
464
465 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
466
467         * expr.c (force_operand): Use convert_to_mode for conversions.
468
469 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
470
471         * reload.h (reg_equiv_invariant): Declare.
472         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
473         register also when reg_equiv_invariant[R] is set.
474
475 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
476             Andreas Tobler  <a.tobler@schweiz.ch>
477
478         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
479
480 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
481
482         * tree-ssa-pre.c (bitmap_set_and): New function.
483         (bitmap_set_and_compl): New function.
484         (bitmap_set_empty_p): New function.
485         (insert_extra_phis): New function.
486         (compute_avail): Use insert_extra_phis.
487
488 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
489
490         * config/s390/s390.c (s390_expand_atomic): New function.
491         Adjust comment of helper functions.
492         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
493         * config/s390/s390.md ("ATOMIC"): New code macro.
494         ("atomic"): Corresponding new code attribute.
495         ("sync_lock_test_and_set[hq]i", 
496         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
497
498 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
499
500         * config/s390/s390.c (s390_expand_mask_and_shift, 
501         struct alignment_context, init_alignment_context, 
502         s390_expand_cs_hqi): New.
503         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
504         * config/s390/s390.md ("sync_compare_and_swaphi",
505         "sync_compare_and_swapqi"): New pattern.
506
507 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
508
509         Fix PR tree-optimization/25291
510         * tree-ssa-operands.c (add_call_clobber_ops): Remove
511         redundant and crashing check.
512
513 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
514
515         PR target/25212
516         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
517         tests further when !strict && reload_in_progress.
518         (print_operand): Check that both operands of indexed address are regs.
519         (print_operand_address): Likewise.
520         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
521         (INT_REG_OK_FOR_BASE_P): Correct.
522
523 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
524
525         Preparation for PR rtl-optimization/20070 / part1
526         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
527         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
528         outgoing_edges_match.
529         (outgoing_edges_match): Use condjump_equiv_p.
530         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
531         into..
532         * struct-equiv.c: New file.
533         (death_notes_match_p) New function, broken out of insns_match_p.
534         * Makefile.in (OBJS-common): Add struct-equiv.o.
535         (struct-equiv.o): New target.
536
537 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
538
539         * coretypes.h: Revert previous change.
540         * config/darwin.h: Revert previous reversion.
541         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
542
543 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
544
545         * coretypes.h (section): Provide dummy definition for target files.
546         * config/darwin.h: Revert previous change.
547
548 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
549
550         * doc/sourcebuild.texi (all.build, install-normal): Remove.
551         * configure.ac: Remove all.build and install-normal from target_list
552         * configure: Regenerate.
553         * Makefile.in (install): Don't depend on install-normal.
554
555 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
556
557         * Makefile.in: Document the use of stamps.
558
559 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
560
561         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
562         * Makefile.in: Add code to compute some dependencies on s-gtype
563         automatically.  Remove the declaration of those dependencies.
564
565 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
566
567         * gcc/reload.c (push_secondary_reload): Fix typo:
568         s/insn_constraint/scratch_constraint/.
569
570 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
571
572         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
573
574 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
575
576         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
577         (alpha_elf_select_rtx_section): Return the selected section rather
578         than emitting assembly code.
579         (alpha_write_linkage): Emit a ".link" directive directly and then
580         set in_section to NULL.
581         (vms_asm_out_constructor): Use switch_to_section.
582         (vms_asm_out_destructor): Likewise.
583         (unicosmk_output_common): Set in_section to NULL instead of calling
584         the dummy common_section function.
585         (unicosmk_text_section): Delete in favor of...
586         (unicosmk_output_text_section_asm_op): ...this new function.
587         (unicosmk_data_section): Delete in favor of...
588         (unicosmk_output_data_section_asm_op): ...this new function.
589         (unicosmk_init_sections): New function.
590         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
591         (unicosmk_output_ssib): Set in_section to NULL instead of calling
592         the dummy ssib_section function.
593         (unicosmk_section_buf): Delete.
594         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
595         (unicosmk_data_section): Delete.
596         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
597         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
598         (SECTION_FUNCTION_TEMPLATE): Delete.
599         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
600         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
601         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
602         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
603         (TARGET_ASM_INIT_SECTIONS): Define.
604         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
605         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
606         (link_section, literals_section): Delete.
607         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
608         set in_section to NULL.
609
610         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
611         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
612         (COMMON_SECTION): Delete.
613         (TARGET_ASM_INIT_SECTIONS): Define.
614         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
615         the dummy common_section function.
616         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
617         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
618         between readonly_data_section and text_section to check whether
619         read-only data is being put in the text section.
620         (arm_output_function_epilogue): Use switch_to_section.
621         (arm_elf_asm_constructor): Likewise.
622         (thumb_call_via_reg): Replace call to in_text_section with
623         a comparison between in_section and text_section.
624         (arm_file_end): Use switch_to_section.
625         (aof_text_section): Delete in favor of...
626         (aof_output_text_section_asm_op): ...this new function.
627         (aof_data_section): Delete in favor of...
628         (aof_output_data_section_asm_op): ...this new function.
629         (aof_asm_init_sections): New function.
630         (zero_init_section): Moved from config/arm/aof.h.
631         (aof_dump_imports, aof_file_start): Use switch_to_section.
632         * config/arm/arm.h (thumb_call_via_label): Update comment.
633         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
634         (common_section): Delete.
635         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
636         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
637         global switch_to_section function instead of the old port-local one.
638         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
639         (SWITCH_TO_SECTION_FUNCTION): Delete.
640         (drectve_section): Redefine as a macro.
641         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
642         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
643         switch_to_section.
644
645         * config/avr/avr.c (progmem_section): New variable.
646         (avr_output_progmem_section_asm_op): New function.
647         (avr_asm_init_sections): New function.
648         (avr_output_addr_vec_elt): Use switch_to_section.
649         * config/avr/avr.h (progmem_section): Declare.
650         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
651         (READONLY_DATA_SECTION): Delete.
652         (TARGET_ASM_INIT_SECTIONS): Define.
653         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
654         * config/avr/avr-protos.h (progmem_section): Delete.
655
656         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
657
658         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
659         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
660
661         * config/darwin-sections.def: New file.
662         * config/darwin.c: Define all sections in darwin-sections.def.
663         (output_objc_section_asm_op, darwin_init_sections): New functions.
664         (machopic_output_indirection): Use switch_to_section.
665         (machopic_select_section): Return the selected section rather than
666         emitting assembly code.  Replace the static function table with
667         inline conditional expressions.  Update the tests of last_text_section
668         and move them into the FUNCTION_DECL block.
669         (machopic_select_rtx_section): Return the selected section rather than
670         emitting assembly code.
671         (machopic_asm_out_constructor, machopic_asm_out_destructor)
672         (darwin_file_end): Use switch_to_section.
673         * config/darwin.h: Use darwin-sections.def to declare sections.
674         (INIT_SECTION_ASM_OP): Remove empty definition.
675         (HAS_INIT_SECTION): Define this instead.
676         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
677         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
678         (TARGET_ASM_EH_FRAME_SECTION): Delete.
679         (TARGET_ASM_INIT_SECTIONS): Define.
680         * config/darwin-protos.h (darwin_init_sections): Declare.
681         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
682         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
683         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
684         (constructor_section, destructor_section, mod_init_section): Delete.
685         (mod_term_section): Delete.
686         (darwin_exception_section, darwin_eh_frame_section): Delete.
687         (machopic_select_section): Return a section.
688         (machopic_select_rtx_section): Likewise.
689         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
690         (const_section, const_coal_section, const_data_section): Delete.
691         (const_data_coal_section, data_coal_section, cstring_section): Delete.
692         (literal4_section, literal8_section, constructor_section): Delete.
693         (mod_init_section, mod_term_section, destructor_section): Delete.
694         (objc_class_section, objc_meta_class_section, objc_category_section)
695         (objc_class_vars_section, objc_instance_vars_section): Delete.
696         (objc_cls_meth_section, objc_inst_meth_section): Delete.
697         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
698         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
699         (objc_symbols_section, objc_module_info_section): Delete.
700         (objc_image_info_section, objc_protocol_section): Delete.
701         (objc_string_object_section, objc_constant_string_object_section)
702         (objc_class_names_section, objc_meth_var_names_section): Delete.
703         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
704         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
705         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
706         (darwin_exception_section, darwin_eh_frame_section): Delete.
707         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
708
709         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
710         (frv_asm_out_destructor): Likewise.
711         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
712         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
713         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
714         get_named_section.
715         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
716         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
717         (data_section): Delete.
718
719         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
720         (DRECTVE_SECTION_FUNCTION): Delete.
721         (drectve_section): Redefine as a macro that sets in_section after
722         emitting the directive.
723         (SWITCH_TO_SECTION_FUNCTION): Delete.
724         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
725         in_text_section with comparison between in_section and text_section.
726         * config/i386/i386.c (x86_64_elf_select_section): Return the section
727         rather than emitting assembly code.  Use get_named_section.
728         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
729         get_named_section.
730         (machopic_output_stub): Use switch_to_section.
731         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
732         (nwld_named_section_asm_out_destructor): Use get_section and
733         switch_to_section.
734
735         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
736         rather than emitting assembly code.
737         (ia64_rwreloc_select_section): Likewise.
738         (ia64_rwreloc_select_rtx_section): Likewise.
739         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
740         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
741         switch_to_section.
742         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
743         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
744
745         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
746         section rather than emitting assembly code.
747         (iq2000_select_section): Likewise.
748         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
749         (sbss_section): Delete.
750
751         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
752         and get_named_section.
753         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
754
755         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
756         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
757         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
758         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
759         in_section to NULL.
760         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
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         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
764         (SWITCH_SECTION_FUNCTION): Delete.
765         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
766         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
767         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
768         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
769         in_section to NULL.
770         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
771         global switch_to_section function instead of the old port-local one.
772         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
773
774         * config/mips/mips.c (mips_file_start): Update comment.
775         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
776         (mips_output_aligned_decl_common): Use switch_to_section.
777         (mips_select_rtx_section): Return the section rather than emitting
778         assembly code.  Use get_named_section.
779         (mips_function_rodata_section: Likewise get_section.
780         (build_mips16_function_stub): Use switch_to_section.
781         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
782         (SDATA_SECTION_ASM_OP): Delete.
783         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
784         (EXTRA_SECTION_FUNCTIONS): Delete.
785
786         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
787         (mmix_asm_output_aligned_local): Use switch_to_section.
788
789         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
790         (som_one_only_readonly_data_section): New variables.
791         (pa_output_function_epilogue): Set in_section to NULL instead of
792         calling forget_section.
793         (output_deferred_plabels): Use select_section.
794         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
795         of calling forget_section.
796         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
797         (pa_asm_output_aligned_local): Use select_section.
798         (som_text_section_asm_op): Delete in favor of...
799         (som_output_text_section_asm_op): ...this new function.
800         (pa_som_asm_init_sections): New function.
801         (pa_select_section): Return the section rather than emitting
802         assembly code.
803         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
804         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
805         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
806         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
807         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
808         (som_readonly_data_section, som_one_only_readonly_data_section)
809         (som_one_only_data_section, forget_section): Delete.
810         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
811         (TARGET_ASM_INIT_SECTIONS): Define.
812         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
813
814         * config/rs6000/rs6000.c (read_only_data_section): New variable.
815         (private_data_section, read_only_private_data_section): New variables.
816         (sdata2_section, toc_section): New variables.
817         (rs6000_file_start): Use switch_to_section.
818         (rs6000_assemble_integer): Use comparisons against in_section
819         instead of calling in_toc_section and in_text_section.  Use
820         unlikely_text_section_p.
821         (rs6000_elf_output_toc_section_asm_op): New function, derived
822         from the old rs6000/sysv4.h toc_section function.
823         (rs6000_elf_asm_init_sections): New function.
824         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
825         the section rather than emitting assembly code.
826         (machopic_output_stub): Use switch_to_section.
827         (toc_section): Delete dummy function.
828         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
829         switch_to_section and get_section.
830         (rs6000_xcoff_output_readonly_section_asm_op): New function.
831         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
832         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
833         the old rs6000/xcoff.h toc_section function.
834         (rs6000_xcoff_asm_init_sections): New function.
835         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
836         the section rather than emitting assembly code.
837         (rs6000_xcoff_file_start): Use switch_to_section.
838         (rs6000_xcoff_file_end): Likewise.
839         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
840         (sdata2_section, sbss_section, private_data_section): Delete.
841         (read_only_data_section, read_only_private_data_section): Delete.
842         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
843         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
844         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
845         (FINI_SECTION_FUNCTION): Delete.
846         (TARGET_ASM_INIT_SECTIONS): Define.
847         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
848         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
849         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
850         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
851         (READONLY_DATA_SECTION): Delete.
852         (TARGET_ASM_INIT_SECTIONS): Define.
853         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
854         to NULL rather than no_section.
855         (TARGET_ASM_EXCEPTION_SECTION): Delete.
856
857         * config/sh/sh.c (sh_file_start): Use switch_to_section.
858
859         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
860         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
861         from call to current_function_section.
862
863         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
864         (bss100_section): New variable.
865         (xstormy16_asm_output_aligned_common): Use switch_to_section.
866         (xstormy16_asm_init_sections): New function.
867         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
868         switch_to_section and get_section.
869         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
870         from calls to current_function_section.
871         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
872         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
873         (TARGET_ASM_INIT_SECTIONS): Define.
874         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
875
876         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
877         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
878         (FINI_SECTION_FUNCTION): Delete.
879
880         * config/v850/v850.c: Include gt-v850.h.
881         (rosdata_section, rozdata_section, tdata_section, zdata_section)
882         (zbss_section): New variables.
883         (v850_output_aligned_bss): Use switch_to_section.
884         (v850_asm_init_sections): New function.
885         (v850_select_section): Return the section rather than emitting
886         assembly code.
887         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
888         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
889         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
890         (TARGET_ASM_INIT_SECTIONS): Define.
891         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
892         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
893         (zbss_section): Delete.
894
895         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
896
897         * config/vx-common.h (vxworks_exception_section): Delete.
898         (TARGET_ASM_EXCEPTION_SECTION): Delete.
899
900         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
901         section rather than emitting assembly code.
902         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
903         switch_to_section.
904
905         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
906         * coretypes.h (section): New union and typedef.
907         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
908         from call to current_function_section.
909         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
910         (dbxout_symbol_location): Use switch_to_section.
911         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
912         most of the code into...
913         (default_eh_frame_section): ...here.  Return a section.
914         (collect2_eh_frame_section): Delete, moving most of the code into..
915         (switch_to_eh_frame_section): ...this new function.
916         (debug_info_section, debug_abbrev_section, debug_aranges_section)
917         (debug_macinfo_section, debug_line_section, debug_loc_section)
918         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
919         variables.
920         (output_call_frame_info): Call switch_to_eh_frame_section instead of
921         eh_frame_section.  Use switch_to_section and get_section.
922         (dwarf2out_begin_prologue): Use switch_to_section.
923         (AT_string_form): Check the flags in debug_str_section instead of
924         DEBUG_STR_SECTION_FLAGS.
925         (output_comp_unit): Use switch_to_section, get_section, and
926         debug_info_section.
927         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
928         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
929         from call to current_function_section.
930         (dwarf2out_var_location): Use unlikely_text_section_p.
931         (dwarf2out_source_line): Use switch_to_section.  Remove argument
932         from call to current_function_section.
933         (dwarf2out_start_source_file, dwarf2out_end_source_file)
934         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
935         debug_macinfo_section.
936         (dwarf2out_init): Initialize the new section variables.  Use them
937         instead of calls to named_section_flags.  Use switch_to_section.
938         (output_indirect_string): Use switch_to_section and debug_str_section.
939         (dwarf2out_finish): Use switch_to_section and the new section
940         variables.
941         * except.c (default_exception_section): Return the section instead
942         of emitting assembly code.
943         (output_function_exception_table): Use the global exception_section
944         variable instead of the target hook.  Use switch_to_section.  Remove
945         argument from call to current_function_section.
946         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
947         (shorten_branches): Use pointer comparisons to detect whether the
948         text section is the same as readonly_data_section.
949         (profile_function): Use switch_to_section.  Remove argument from
950         call to current_function_section.
951         (final_scan_insn): Likewise.  Update use of last_text_section.
952         * gengtype.c (open_base_files): Add an include of output.h.
953         * output.h (text_section, data_section, readonly_data_section)
954         (ctors_section, dtors_section, bss_section, init_section)
955         (fini_section, sdata_section): Turn into section pointers.
956         (in_text_section, in_unlikely_text_section, exports_section)
957         (drectve_section, named_section, mergeable_string_section)
958         (last_text_section_name): Delete.
959         (default_exception_section, default_eh_frame_section): Return sections.
960         (SECTION_DECLARED, SECTION_NAMED): New macros.
961         (SECTION_MACH_DEP): Bump value.
962         (section_common, named_section, unnamed_section): New structures.
963         (unnamed_section_callback): New typedef.
964         (section): New union.
965         (sbss_section, exception_section, eh_frame_section): New variables.
966         (in_section, last_text_section): Turn into section pointers.
967         (get_unnamed_section, get_section, get_named_section): New functions.
968         (mergeable_constant_section, function_section): Return a section.
969         (unlikely_text_section): Likewise.
970         (current_function_section): Likewise.  Remove the decl argument.
971         (unlikely_text_section_p, switch_to_section): New functions.
972         (output_section_asm_op): New function.
973         (set_named_section_flags, named_section_flags, named_section_real)
974         (named_section_first_declaration): Delete.
975         (default_select_section, default_elf_select_section): Return a section.
976         (default_elf_select_section_1, default_function_rodata_section)
977         (default_no_function_rodata_section, default_select_rtx_section)
978         (default_elf_select_rtx_section): Likewise.
979         * rtl.h (in_data_section): Delete.
980         * sdbout.c (sdbout_one_type): Use switch_to_section.
981         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
982         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
983         (TARGET_ASM_EH_FRAME_SECTION): Poison.
984         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
985         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
986         (TARGET_ASM_OUT): Update after above changes.
987         * target.h (init_sections): New hook.
988         (exception_section, eh_frame_section): Delete.
989         (select_section, select_rtx_section, function_rodata_section): Return
990         a section rather than emitting assembly code.
991         * varasm.c (text_section, data_section, readonly_data_section)
992         (ctors_section, dtors_section, bss_section, init_section)
993         (fini_section): Turn into section pointers.
994         (sdata_section, sbss_section, exception_section): New variables.
995         (eh_frame_section): New variable.
996         (in_section): Make global and turn into a section pointer.
997         (last_text_section): Turn into a section pointer.
998         (unnamed_sections): New variable.
999         (in_named_name, last_text_section_name): Delete.
1000         (EXTRA_SECTION_FUNCTIONS): Delete.
1001         (in_named_entry): Delete.
1002         (section_htab): New variable, replacing...
1003         (in_named_htab): ...this deleted variable.
1004         (section_entry_eq, section_entry_hash): New functions, based on...
1005         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1006         (get_unnamed_section, get_section): New functions.
1007         (unlikely_text_section): Return a section instead of emitting
1008         assembly code.
1009         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1010         (get_named_section_flags, named_section_first_declaration): Delete.
1011         (unlikely_text_section_p): New function.
1012         (named_section_real, named_section): Delete.
1013         (get_named_section): New function.
1014         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1015         (function_section): Return a section rather than emitting
1016         assembly code.
1017         (current_function_section): Likewise.  Remove argument.  Use
1018         last_text_section if nonnull, otherwise use function_section.
1019         (default_function_rodata_section): Return a section rather than
1020         emitting assembly code.  Use get_section.
1021         (default_no_function_rodata_section): Return a section rather than
1022         emitting assembly code.
1023         (variable_section): Use switch_to_section and get_named_section.
1024         (mergeable_string_section): Return a section rather than emitting
1025         assembly code.  Use get_section.  Make static.  Don't take special
1026         countermeasures for empty strings.
1027         (mergeable_constant_section): Return a section rather than emitting
1028         assembly code.  Use get_section.
1029         (default_named_section_asm_out_destructor): Use switch_to_section
1030         and get_section.
1031         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1032         (default_named_section_asm_out_constructor): Use switch_to_section
1033         and get_section.
1034         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1035         (assemble_start_function): Likewise.  Set last_text_section to
1036         NULL rather than no_section.  Change the type of save_section.
1037         (assemble_zeros, assemble_variable): Use the section flags to detect
1038         whether or not a section is text.
1039         (assemble_static_space): Use switch_to_section.
1040         (assemble_trampoline_template): Likewise.
1041         (output_constant_def_contents): Use switch_to_section and
1042         get_named_section.
1043         (output_constant_pool_1): Use switch_to_section.  Use the section
1044         flags to see whether sections contain mergeable data.
1045         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1046         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1047         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1048         whether a section has already been declared.
1049         (default_select_section, default_elf_select_section): Return a
1050         section rather than emitting assembly code.
1051         (default_elf_select_section_1): Likewise.  Use bss_section for
1052         SECCAT_BSS if nonnull.  Use get_named_section.
1053         (default_select_rtx_section): Return a section rather than
1054         emitting assembly code.
1055         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1056         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1057         (output_section_asm_op, switch_to_section): New functions.
1058         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1059         get_named_section.
1060
1061         * doc/tm.texi: Expand the introduction to the sections documentation.
1062         (TRAMPOLINE_SECTION): Document new interface.
1063         (SDATA_SECTION_ASM_OP): Document new macro.
1064         (READONLY_DATA_SECTION): Delete.
1065         (SDATA_SECTION_ASM_OP): Document new macro.
1066         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1067         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1068         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1069         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1070         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1071
1072 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1073
1074         * gcc.c (init_gcc_specs): Match braces inside conditionally
1075         compiled strings.
1076
1077 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1078
1079         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1080
1081 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1082
1083         PR C++/24138
1084         * tree.c (integer_all_onesp): Always return true if all bits on.
1085
1086         * testsuite/g++.dg/init/array0.C: New.
1087
1088 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1089
1090         * doc/md.texi: Adapt to implementation.
1091
1092 2005-12-06  Andreas Schwab  <schwab@suse.de>
1093
1094         * opts.c (decode_options): Fix typo in message.
1095
1096 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1097
1098         PR other/13873
1099         * longlong.h: Merge PPC tests from upstream.
1100
1101 2005-12-06  Richard Guenther  <rguenther@suse.de>
1102
1103         * fold-const.c (fold_convert): Do not build and fold
1104         CONVERT_EXPR, but always use NOP_EXPR.
1105
1106 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1107
1108         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1109         __builtin_ia32_paddq and __builtin_ia32_subq.
1110         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1111         __builtin_ia32_pshufw.
1112         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1113
1114 2005-12-05  James E Wilson  <wilson@specifix.com>
1115
1116         PR target/24934
1117         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1118         is set.
1119
1120 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1121         
1122         * print-tree.c (print_node): Ditto.
1123         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1124         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1125         before accessing DECL_ARTIFICIAL. 
1126         Handle new tag tree codes.
1127         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1128         changes.
1129         (unmodifiable_var_p): Ditto.
1130         * tree-flow.h (mem_tag_kind): Remove.
1131         (struct var_ann_d): Remove mem_tag_kind member.
1132         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1133         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1134         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1135         (group_aliases): Ditto.
1136         (setup_pointers_and_addressables): Ditto.
1137         (is_escape_site): Ditto.                                          
1138         (may_alias_p): Ditto.
1139         (create_tag_raw): New function.
1140         (create_memory_tag): Use it.
1141         (dump_alias_info): Update for tags.
1142         (may_be_aliased): Ditto.
1143         (add_type_alias): Ditto.
1144         (new_type_alias): Ditto.
1145         (create_sft): Ditto.
1146         (create_structure_vars): Ditto.
1147         * tree-ssa-ccp.c (get_default_value): Ditto.
1148         * tree-ssa-operands.c (get_expr_operands): Ditto.
1149         (add_stmt_operand): Ditto.
1150         (add_call_clobber_ops): Remove duplicated condition.
1151         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1152         tags.
1153         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1154         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1155         * tree.c (init_ttree): Update structures for new tree codes.
1156         (tree_code_size): Update sizes for new tree codes.
1157         (make_node_stat): Don't try to set common things on minimal
1158         structures.
1159         (tree_node_structure): Update for tags.
1160         (is_global_var): Ditto.
1161         * tree.def: Add new tree codes.
1162         * tree.h (MTAG_P): New macro.
1163         (TREE_MEMORY_TAG_CHECK): Ditto.
1164         (SSA_VAR_P): Update for tags.
1165         (struct tree_memory_tag): New structure.
1166         (MTAG_GLOBAL): New macro.
1167         (union tree_node): Add memory tag member.
1168         * treestruct.def (TS_MEMORY_TAG): New.
1169         
1170 2005-12-05  Dale Johannesen  <dalej@apple.com>
1171
1172         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1173         what was approved (PR 24323).
1174
1175 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1176
1177         * doc/c-tree.texi (Function Bodies): Remove description of
1178         RETURN_INIT.
1179
1180 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1181
1182         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1183         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1184         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1185         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1186         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1187         __divxc3): Document.
1188
1189 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1190
1191         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1192         previous behaviour.
1193         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1194         hook_bool_void_false.
1195         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1196         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1197
1198         * config/darwin.c (machopic_select_section): It's not defined
1199         as weak if it's only marked as weak_import.
1200         
1201         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1202         Prototype.
1203
1204         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1205         A hidden weak object does bind locally.  Strong linkonce data
1206         counts like any other strong symbol for binding.
1207         (weak_finish_1): Don't specially handle weakrefs, they no longer
1208         arrive here.
1209         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1210         * c-common.c (handle_alias_attribute): Allow static aliases
1211         of variables.
1212         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1213         * gthr-dce.h: Make weakrefs static.
1214         * gthr-tpf.h: Likewise.
1215         * gthr-solaris.h: Likewise.
1216         * gthr-posix.h: Likewise.
1217         * gthr-posix95.h: Likewise.
1218         * config/darwin.c (darwin_encode_section_info): static weakref
1219         variables are not necessarily defined in this translation unit.
1220         * doc/extend.texi (Function Attributes): Mention that an alias
1221         attribute creates a definition for the thing it's attached to.
1222         Change the documentation for weakref to say that the thing
1223         it's attached to must be static.
1224
1225         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1226         we don't go into an infinite loop.
1227
1228 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1229
1230         * config/rs6000/predicates.md (logical_const_operand): Split
1231         out of logical_operand.
1232         (logical_operand): Use it.
1233         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1234         logical_const_operand.
1235
1236 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1237
1238         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1239         and IX86_BUILTIN_CMPNESS.
1240         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1241         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1242         * config/i386/i386.md (movti_internal): Correct type attribute.
1243         Simplify mode attribute.
1244         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1245         Correct type attribute.
1246         (absxf2): Correct operator.
1247         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1248         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1249         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1250         mode attribute.
1251         (sse2_vmsqrtv2df2): Correct mode attribute.
1252
1253 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1254
1255         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1256         16 bits. Provide insn pattern for this case.
1257
1258 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1259
1260         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1261         result.
1262         (__popcountDI2): Likewise.
1263
1264 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1265
1266         PR target/25166
1267         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1268         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1269         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1270         functions.
1271
1272 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1273
1274         * c-typeck.c (null_pointer_constant_p): New function.
1275         (build_conditional_expr, build_c_cast, convert_for_assignment,
1276         build_binary_op): Use it.
1277
1278 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1279
1280         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1281         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1282         CONVERT_EXPR.
1283         (check_function_arguments_recurse): Allow both NOP_EXPR and
1284         CONVERT_EXPR but check conversions preserve precision.
1285         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1286         but check conversions preserve precision.
1287         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1288         default case.
1289
1290 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1291
1292         PR c/7776
1293         * common.opt (Wstring-literal-comparison): New command line option.
1294         * c-opts.c (c_common_handle_option): Set it with -Wall.
1295         * c-typeck.c (parser_build_binary_op): Issue warning if either
1296         operand of a comparison operator is a string literal, except for
1297         testing equality or inequality against NULL.
1298
1299         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1300
1301 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1302
1303         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1304         of building a NOP_EXPR.
1305         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1306         NOP_EXPR.
1307         * c-convert.c (convert): Use fold_convert instead of building
1308         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1309         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1310         #if 0 code.
1311         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1312         NOP_EXPR the same as CONVERT_EXPR.
1313         * c-typeck.c (build_function_call): Use fold_convert instead of
1314         building a NOP_EXPR directly.
1315         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1316
1317 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1318
1319         PR rtl-optimization/25197
1320         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1321         have a reg.
1322
1323 2005-12-02  Stuart Hastings  <stuart@apple.com>
1324
1325         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1326         warning.
1327
1328 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1329
1330         * c-typeck.c (default_function_array_conversion,
1331         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1332         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1333         orig_op2.  Don't check them for NOP_EXPR.
1334         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1335         around integer zero.
1336
1337 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1338
1339         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1340         toc_save_offset, toc_size, lr_size.
1341         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1342         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1343         Adjust for removal of unused rs6000_stack_t fields.
1344         (debug_stack_info): Adjust.
1345         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1346         first, and don't bother checking for set/inc of lr on sibcalls.
1347         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1348
1349 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1350
1351         PR target/25199
1352         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1353         5 if operand 1 is not aligned.  Undo previous constraint change.
1354         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1355
1356 2005-12-02  Richard Guenther  <rguenther@suse.de>
1357
1358         * tree.h (build): Remove prototype.
1359         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1360         * tree.c (build): Remove.
1361         (build0_stat): Update comment.
1362
1363 2005-12-02  Richard Guenther  <rguenther@suse.de>
1364
1365         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1366         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1367         Likewise.
1368         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1369         maybe_fold_offset_to_component_ref): Likewise.
1370         * tree-ssa-dom.c (thread_across_edge,
1371         simplify_rhs_and_lookup_avail_expr,
1372         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1373         Likewise.
1374         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1375         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1376         lower_try_finally_switch): Likewise.
1377         * tree-if-conv.c (add_to_dst_predicate_list,
1378         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1379         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1380         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1381         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1382         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1383         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1384         gimplify_init_ctor_eval, gimplify_init_constructor,
1385         gimplify_variable_sized_compare, gimplify_boolean_expr,
1386         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1387         gimplify_expr, gimplify_body, gimplify_function_tree,
1388         force_gimple_operand): Likewise.
1389         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1390         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1391         mx_register_decls): Likewise.
1392         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1393         get_frame_field, finalize_nesting_tree_1): Likewise.
1394         * tree-inline.c (setup_one_parameter): Likewise.
1395         * tree-vect-transform.c (vectorizable_condition): Likewise.
1396         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1397         Likewise.
1398         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1399         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1400         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1401         * tree-chrec.h (build_polynomial_chrec): Likewise.
1402
1403 2005-12-02  Richard Guenther  <rguenther@suse.de>
1404
1405         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1406         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1407         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1408         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1409         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1410         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1411         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1412         Likewise.
1413         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1414         sh_adjust_unroll_max): Likewise.
1415         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1416         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1417         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1418         Likewise.
1419         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1420         Likewise.
1421         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1422         Likewise.
1423
1424 2005-12-02  Richard Guenther  <rguenther@suse.de>
1425
1426         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1427         simplify_cond_using_ranges): Use buildN instead of build.
1428         * tree-tailcall.c (adjust_accumulator_values,
1429         adjust_return_value): Likewise.
1430         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1431         generate_element_copy, generate_element_zero,
1432         generate_one_element_init): Likewise.
1433         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1434         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1435         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1436         perfect_nestify): Likewise.
1437
1438 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1439
1440         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1441
1442 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1443
1444         * ggc.h (GGC_RESIZEVEC): New.
1445
1446 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1447
1448         * gcc.c (execute): Improve readability.
1449
1450 2005-12-02  Richard Guenther  <rguenther@suse.de>
1451
1452         * tree-cfg.c (mark_used_vars): New function.
1453         (dump_function_to_file): Dump only used VAR_DECLs.
1454
1455 2005-12-02  Richard Guenther  <rguenther@suse.de>
1456
1457         * convert.c (convert_to_integer): Fix compare for nonpositive
1458         constant to use tree_int_cst_sgn <= 0.
1459
1460 2005-12-02  Richard Guenther  <rguenther@suse.de>
1461
1462         * convert.c (convert_to_integer): Use fold_convert instead
1463         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1464         instead of comparing against 0.  Use build_int_cst instead
1465         of converting integer_zero_node.
1466
1467 2005-12-02  Richard Guenther  <rguenther@suse.de>
1468
1469         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1470         and RROTATE_EXPR.
1471  
1472 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1473
1474         PR target/21017
1475         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1476         rotates.
1477
1478 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1479
1480         PR middle-end/25176
1481         * function.c (expand_function_end): Emit blockage for unwinder
1482         after return label.
1483
1484 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1485
1486         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1487         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1488         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1489         integer constant comparisons.
1490
1491 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1492             Janis Johnson  <janis187@us.ibm.com>
1493             David Edelsohn  <dje@watson.ibm.com>
1494             Ben Elliston  <bje@au.ibm.com>
1495
1496         * dfp.h, dfp.c: New files.
1497         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1498         (DECNUM_H): Likewise.
1499         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1500         (INCLUDES): Append $(DECNUMINC).
1501         (OBJS-common): Add dfp.o.
1502         (dfp.o): New rule.
1503         * real.h (EXP_BITS): Pinch one bit to ..
1504         (struct real_value): Add decimal field.
1505         (real_format): Change table size, update documentation.
1506         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1507         (real_from_string3): Declare.
1508         (decimal_single_format): Declare.
1509         (decimal_double_format): Declare.
1510         (decimal_quad_format): Declare.
1511         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1512         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1513         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1514         * real.c: Include dfp.h.
1515         (normalize): Early return for decimal floats.
1516         (do_add): Zero decimal field.
1517         (do_compare): Call do_decimal_compare for decimal floats.
1518         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1519         (real_arithmetic): Call decimal_real_arithmetic for decimal
1520         floating point operands.
1521         (real_identical): If a and b are of differing radix, return false.
1522         (real_to_integer): Call decimal_real_to_integer if the value is a
1523         decimal float.
1524         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1525         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1526         (real_to_hexadecimal): Place "N/A" in the return string for
1527         decimal float.
1528         (real_from_string3): New variant, given a mode.
1529         (real_maxval): Use decimal_real_maxval for decimal floats.
1530         (round_for_format): Use decimal_round_for_format for decimals.
1531         (real_convert): Use decimal_real_convert where appropriate.
1532         (significand_size): Handle base 10.
1533         (encode_decimal_single, decode_decimal_single,
1534         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1535         decode_decimal_quad): New functions.
1536         (decimal_single_format): New.
1537         (decimal_double_format): New.
1538         (decimal_quad_format): New.
1539         * machmode.def: Add SD, DD and TD decimal floating point modes.
1540         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1541         Include MODE_DECIMAL_FLOAT.
1542         (DECIMAL_FLOAT_MODE_P): New.
1543         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1544         * genmodes.c (struct mode_data): Add counter field.
1545         (struct mode_data): Update comment for format.
1546         (blank_mode): Initialise counter field.
1547         (new_mode): Increment counter field for each mode defined.
1548         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1549         using a format.
1550         (make_complex_modes): Handle modes containing `D'.
1551         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1552         (make_decimal_float_mode): New.
1553         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1554         (cmp_modes): Compare counter field if other characteristics
1555         similar.
1556         (emit_real_format_for_mode): Support formats for decimal floats.
1557         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1558         Document MODE_DECIMAL_FLOAT.
1559
1560 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1561
1562         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1563         Delete dead code.
1564
1565 2005-12-01  Richard Henderson  <rth@redhat.com>
1566
1567         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1568
1569 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1570
1571         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1572
1573         * config/pa/pa.c (pa_init_builtins): If we detect
1574         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1575         putc_unlocked.
1576
1577 2005-12-01  Richard Guenther  <rguenther@suse.de>
1578
1579         * fold-const.c (fold_binary): Use fold_build2, not
1580         fold (build (...)).
1581
1582 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1583
1584         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1585
1586         * vec.h (VEC_block_remove): New.
1587
1588 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1589
1590         PR c/13384
1591         * c-common.c (lvalue_error): Fix wording.
1592
1593 2005-12-01  Richard Guenther  <rguenther@suse.de>
1594
1595         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1596         thinko in last patch.
1597
1598 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1599
1600         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1601         than -flat_namespace.
1602
1603 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1604
1605         * mklibgcc.in: Parameterise the script to build soft float
1606         functions by iterating over each type, rather than cloning the
1607         code for each type.
1608
1609 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1610
1611         PR middle-end/25158
1612         * builtins.c (fold_builtin_fputs): Defer check for missing
1613         replacement functions.
1614
1615 2005-11-30  Kean Johnston  <jkj@sco.com>
1616
1617         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1618         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1619
1620 2005-11-30  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/22501
1623         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1624         function split out from ...
1625         (forward_propagate_addr_expr): ... here.  Use it to propagate
1626         ADDR_EXPRs to all uses.
1627
1628 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1629
1630         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1631         * builtins.c (expand_builtin_mathfn): Use them.
1632         (expand_builtin_mathfn_2): Likewise.
1633         (expand_builtin_mathfn_3): Likewise.
1634         (expand_builtin_int_roundingfn): Likewise.
1635         (expand_builtin): Likewise.
1636         (integer_valued_real_p): Likewise.
1637         (fold_builtin_int_roundingfn): Likewise.
1638         (fold_builtin_bitop): Likewise.
1639         (fold_builtin_logarithm): Likewise.
1640         (fold_builtin_1): Likewise.
1641         * convert.c (convert_to_integer): Likewise.
1642         * fold-const.c (negate_mathfn_p): Likewise.
1643         (tree_expr_nonnegative_p): Likewise.
1644
1645 2005-11-30  Dale Johannesen  <dalej@apple.com>
1646             Andrew Pinski  <pinskia@physics.uc.edu>
1647
1648         * combine.c (find_split_point):  Sign extend bitmask
1649         when changing bitfield assignment to IOR of AND.
1650
1651 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1652
1653         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1654         clobber to scratch reg.
1655         (*decrement_and_branch_until_zero_no_clobber): Remove.
1656         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1657         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1658         * config/ms1/ms1.opt (mmul): Remove.
1659         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1660         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1661
1662 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1663             Bernd Schmidt  <bernd.schmidt@analog.com>
1664
1665         * pa/predicates.md (symbolic_operand): Add comment.
1666         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1667         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1668         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1669         (pa_secondary_reload_class): Delete.
1670         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1671         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1672         copy of symbolic operand.
1673         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1674
1675 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1676
1677         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1678         jump.
1679
1680 2005-11-30  Jeff Law  <law@redhat.com>
1681
1682         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1683         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1684
1685 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1686
1687         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1688         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1689         (ia64_expand_move): Adjust caller.
1690
1691         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1692         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1693         negate VAL.
1694
1695 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1696
1697         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1698         Always produce an output if we can remove NEGs or canonicalize
1699         (minus (minus ...)) expressions.  Provide a fast path for the
1700         two-operand case.
1701         (simplify_gen_binary): Do not call simplify_plus_minus.
1702         (simplify_binary_operation_1): Reassociate at the end of the
1703         function.
1704
1705 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1706
1707         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1708         moves and unpack to speed up.
1709
1710 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1711
1712         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1713         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1714         (gen_v9_scc): Update callers.
1715         * config/sparc/sparc.md: Likewise.
1716         * config/sparc/sparc-protos.h: Update extern declaration.
1717
1718         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1719
1720 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1721
1722         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1723         the if.
1724
1725 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1726
1727         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1728         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1729         (negate_expr): Here.
1730
1731 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1732
1733         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1734         Fix typo in comment.
1735
1736 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1737
1738         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1739         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1740
1741 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1742
1743         PR middle-end/20109
1744         PR middle-end/25120
1745         * builtins.c (init_target_chars): New.
1746         (expand_builtin_printf, expand_builtin_fprintf,
1747         expand_builtin_sprintf, fold_builtin_sprintf,
1748         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1749         fold_builtin_snprintf_chk, fold_builtin_printf,
1750         fold_builtin_fprintf): Check for matching format strings using
1751         the target charset.
1752
1753 2005-11-29  Paul Brook  <paul@codesourcery.com>
1754
1755         * config.gcc: Do not use fixproto on m68k-elf.
1756
1757 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1758
1759         * expmed.c (div_cost): Replace with...
1760         (sdiv_cost, udiv_cost): New.
1761         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1762         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1763         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1764         (expand_divmod): Replace use of div_cost with either sdiv_cost
1765         or udiv_cost depending upon the signedness of the operation.
1766
1767 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1768
1769         PR libfortran/24991
1770         * config/darwin.c (machopic_indirection_name,
1771         machopic_output_indirection): Follow transparent alias chain.
1772
1773 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1774
1775         * varasm.c (ultimate_transparent_alias_target): Add comment.
1776
1777 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1778
1779         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1780         SET_SRC instead of XEXP where appropriate.
1781
1782 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1783
1784         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1785         __builtin_expect.
1786
1787 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1788
1789         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1790         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1791         bit at a time.
1792
1793 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1794
1795         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1796         secondary_input_reload_class, made static.  Adapt to new
1797         infrastructure.
1798         (secondary_output_reload_class): Delete.
1799         (TARGET_SECONDARY_RELOAD): New macro.
1800         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1801         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1802
1803 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1804
1805         PR c++/21166
1806         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1807         when its natural alignment is > BITS_PER_UNIT.
1808         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1809         * c-common.c (handle_packed_attribute): Ignore packing on a field
1810         whose type is naturally char aligned.
1811
1812 2005-11-28  Richard Guenther  <rguenther@suse.de>
1813
1814         * c-common.c (strict_aliasing_warning): Handle all
1815         component-ref like accesses.
1816
1817 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1818             Uros Bizjak  <uros@kss-loka.si>
1819
1820         PR middle-end/20219
1821         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1822         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1823         when flag_unsafe_math_optimizations is set and
1824         we don't care about NaNs or Infinities.
1825
1826         Move x/expN(y) and x/pow(y,z) transformation into common
1827         flag_unsafe_math_optimizations section.
1828
1829 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1830
1831         * gcc.c (main): Change type of argv to "char **".
1832
1833 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1834
1835         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1836         small data sections.
1837         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1838         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1839         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1840         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1841         output locals to sbss if !rs6000_elf_in_small_data_p.
1842         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1843
1844 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1845
1846         PR target/24997
1847         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1848         generated by reload.
1849         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1850         indexed_or_indirect_address.
1851         (indexed_or_indirect_address): Don't test for base reg.  Call
1852         address_operand last.  Make it a special predicate.
1853
1854 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1855
1856         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1857
1858 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1859
1860         PR middle-end/24575
1861         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1862         is undefined.
1863         (negate_expr): Likewise.
1864
1865 2005-11-27  Andreas Schwab  <schwab@suse.de>
1866
1867         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1868         redundant parens.
1869
1870 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1871
1872         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1873         has EH predecessor edges.
1874
1875 2005-11-26  Eric Christopher  <echristo@apple.com>
1876
1877         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1878         register stalls by zero extending to the full register.
1879
1880 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1881
1882         * config/floatunsisf.c, config/floatunsidf.c,
1883         config/floatunsixf.c, config/floatunsitf.c: New files.
1884         * config/ia64/t-hpux: Add floatunsitf.c.
1885         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1886         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1887
1888 2005-11-26  Richard Henderson  <rth@redhat.com>
1889
1890         * c-lex.c (pragma_lex): Rename from c_lex.
1891         * c-pch.c: Update for pragma_lex rename.
1892         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1893         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1894         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1895         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1896         * doc/tm.texi: Likewise.
1897
1898 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1899
1900         PR middle-end/23669
1901         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1902         when overflow is undefined.
1903
1904 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1905
1906         * doc/md.texi (Insn Canonicalizations): Refer to the
1907         function commutative_operand_precedence for further rules.
1908
1909 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1910
1911         PR middle-end/21309
1912         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1913         is less than zero.  Limit mult_cost to a reasonable upper bound for
1914         the synthetic multiplication sequence.
1915
1916 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1917
1918         PR middle-end/25022
1919         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1920         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1921         Lookup the explicit replacement functions for any unlocked
1922         stdio builtin transformations.
1923
1924 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1925
1926         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1927         earlyclobber.
1928         * targhooks.c (default_secondary_reload): Don't require operand 2
1929         for an input reload to be earlyclobber.
1930
1931 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1932
1933         * fold-const.c (negate_mathfn_p): Fix comment and add support
1934         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1935         BUILT_IN_ATANH.
1936
1937 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1938
1939         PR middle-end/24998
1940         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1941         _Q_ulltoq for unsigned conversions from SImode and DImode to
1942         TFmode.
1943
1944 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1945
1946         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1947         (__floatundidf, __floatundisf): Likewise.
1948
1949 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1950
1951         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1952         (rs6000_override_options): Remove initialization of
1953         rs6000_sr_alias_set.
1954         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1955         (rs6000_emit_stack_tie): Same.
1956         (emit_frame_save): Same.
1957         (gen_frame_mem_offset): Same.
1958         (rs6000_emit_prologue): Same.
1959         (rs6000_emit_epilogue): Same.
1960
1961 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1962
1963         PR middle-end/24989
1964         * fold-const.c (fold_build): Convert bool_var != 1 and
1965         bool_var == 0 to !bool_var.
1966
1967 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1968
1969         PR middle-end/24990
1970         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1971         for C being INTEGER_CST.  Likewise for !=.
1972
1973 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1974
1975         PR middle-end/24998
1976         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1977         unsigned conversions from SImode to TFmode.
1978
1979 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1980
1981         * expr.c (expand_expr_real_1): Fix error in last change.
1982
1983 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1984
1985         * caller-save.c: (this_insn_sets): Move into:
1986         (save_call_clobbered_regs).
1987         (mark_set_regs): Get this_insn_sets from data.
1988
1989         (save_call_clobbered_regs): Take sets of the return value by
1990         sibcalls into account.
1991
1992 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1993         PR target/21623:
1994
1995         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1996         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1997         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1998         (memory_move_secondary_cost, init_reg_autoinc): Remove
1999         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2000         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2001         secondary_reload_class call.
2002         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2003         callers.
2004         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2005         (push_secondary_reload): Use secondary_reload target hook.
2006         (secondary_reload_class, scratch_reload_class): New functions.
2007         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2008         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2009         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2010         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2011         (secondary_reload_class, scratch_reload_class): Declare.
2012         * reload1.c: Include target.h.
2013         (reload_adjust_reg_for_temp): New function.
2014         (reload_adjust_reg_for_icode): Likewise.
2015         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2016         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2017         call.
2018         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2019         for inheritance.  Support case when both secondary & tertiary reloads
2020         are for intermediate registers.
2021         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2022         with secondary_reload_class call.  Support case when both secondary
2023         & tertiary reloads are for intermediate registers.
2024         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2025         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2026         * target.h (secondary_reload_info): New struct / typedef.
2027         (struct gcc_target): New member secondary_reload.
2028         * targhooks.c Include reload.h, optabs.h and recog.h.
2029         (default_secondary_reload): New function.
2030         * targhooks.h (default_secondary_reload): Declare.
2031         * doc/tm.texi: Document secondary_reload target hook.  Update
2032         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2033         * doc/md.texi: Likewise.
2034
2035         * sh-protos.h (sh_secondary_reload): Declare.
2036         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2037         (sh_secondary_reload): New function.
2038         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2039         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2040         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2041         (HAVE_SECONDARY_RELOADS): Define.
2042         * sh.md (reload_indf): Rename to:
2043         (reload_indf__frn).
2044         (reload_outdf): Rename to:
2045         (reload_outdf__RnFRm).
2046         (reload_insf): Rename to:
2047         (reload_insf__frn).
2048         (reload_insi): Rename to:
2049         (reload_insi__i_fpul).
2050
2051 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2052
2053         * configure.ac: Require at least texinfo 4.4.
2054         * configure: Regenerate.
2055
2056         * doc/install.texi (Tools/packages necessary for building GCC):
2057         Update required version of texinfo to at least 4.4.
2058         (Installing GCC: Building): Update required version of texinfo
2059         to at least 4.4.
2060         (Installing GCC: Final installation): Update required version
2061         of texi2dvi to at least 4.4.
2062         (Host/target specific installation notes for GCC): Update required
2063         version of texinfo to at least 4.4.
2064
2065 2005-11-24  Richard Guenther  <rguenther@suse.de>
2066         Dirk Mueller <dmueller@suse.de>
2067
2068         PR c++/14024
2069         * c-common.h (strict_aliasing_warning): Declare.
2070         * c-common.c (strict_aliasing_warning): New function,
2071         split out from ...
2072         * c-typeck.c (build_c_cast): ... here.
2073
2074 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2075
2076         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2077         to order operands.
2078         (swap_commutative_operands_with_target): New.
2079
2080 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2081
2082         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2083         also when doing PRE, rather than only for global CPROP.
2084
2085 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2086
2087         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2088         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2089         formatting.
2090         (expand_twoval_unop): Likewise.
2091         (widen_clz): Likewise.
2092         (expand_parity): Likewise.
2093         (expand_unop): Likewise.
2094         (emit_cmp_and_jmp_insn_1): Likewise.
2095         (prepare_float_lib_cmp): Likewise.
2096
2097 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2098
2099         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2100         Remove unused `class' variable.
2101
2102 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2103
2104         PR c++/21667
2105         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2106         C/C++ diagnostic function warn_array_subscript_with_type_char.
2107         * c-common.h (warn_array_subscript_with_type_char): Declare.
2108         * c-common.c (warn_array_subscript_with_type_char): Define.
2109
2110 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2111
2112         PR c/21668
2113         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2114         compiling at the intersection of C and C++.
2115
2116 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2117
2118         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2119         List @file in the option summary.  Include the libiberty
2120         documentation for @file.
2121         * gcc.c (main): Call expandargv.
2122         * Makefile.in (gcc-vers.texi): Define srcdir.
2123
2124 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2125
2126         * passes.c (init_optimization_passes): Document
2127         sequencing of passes.
2128
2129 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2130
2131         * config/m68k/predicates.md (pcrel_address, extend_operator,
2132         post_inc_operand, pre_dec_operand): Remove redundant
2133         conditionals.
2134         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2135         instead of abort.
2136         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2137
2138 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2139
2140         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2141
2142 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2143
2144         Preparatory work for PR target/21623:
2145         * alpha.c (secondary_reload_class): Rename to:
2146         (alpha_secondary_reload_class).
2147         * alpha.h, alpha-protos.h: Likewise.
2148         * mn10300.c (secondary_reload_class): Rename to:
2149         (mn10300_secondary_reload_class).
2150         * mn10300.h, mn10300-protos.h: Likewise.
2151         * pa.c (secondary_reload_class): Rename to:
2152         (pa_secondary_reload_class).
2153         * pa.h, pa-protos.h: Likewise.
2154         * rs6000.c (secondary_reload_class): Rename to:
2155         rs6000_secondary_reload_class.
2156         * rs6000.h, rs6000-protos.h: Likewise.
2157
2158 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2159
2160         PR middle-end/22561
2161         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2162
2163 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2164
2165         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2166         a mode_class.
2167         (prepare_cmp_insn): Likewise.
2168
2169 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2170
2171         PR target/23435
2172         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2173         if both operands[0] and operands[1] are memory.
2174
2175 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2176
2177         PR middle-end/23606
2178         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2179         COMPARISON_CLASS_P and an integral types create create a new
2180         expression with the new type and fold that.
2181
2182 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2183
2184         PR target/24988
2185         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2186         to SUBTARGET_OS_CPP_BUILTINS.
2187
2188 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2189
2190         * arm.c (emit_set_insn): New function.
2191         (arm_split_constant): Call it.
2192         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2193         (arm_legitimize_address): Likewise.  Use plus_constant.
2194         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2195         (thumb_expand_prologue): Likewise.
2196         (arm_gen_load_multiple): Use VOIDmode in SET.
2197         (arm_gen_store_multiple): Likewise.
2198         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2199         (emit_multi_reg_push): Likewise.
2200         (emit_sfm): Use plus_constant.
2201
2202 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2203
2204         PR target/24954
2205         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2206         typo last change.
2207
2208 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2209
2210         PR middle-end/24950
2211         * expmed.c (store_bit_field): Don't attempt to insv a field
2212         larger than the reg.
2213
2214 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2215
2216         PR target/24954
2217         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2218         explicit sign extension, not a (char) cast.
2219
2220 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2221
2222         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2223         GET_MODE_CLASS (x) == MODE_FLOAT.
2224         * config/i386/i386.c: Likewise.
2225         * config/rs6000/xcoff.h: Likewise.
2226         * config/rs6000/linux64.h: Likewise.
2227         * config/rs6000/rs6000.c: Likewise.
2228         * config/rs6000/rs6000.h: Likewise.
2229         * config/rs6000/predicates.md: Likewise.
2230         * config/rs6000/sysv4.h: Likewise.
2231
2232 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2233
2234         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2235         flag_pic is set.
2236
2237         * config/alpha/freebsd.h, config/alpha/linux.h,
2238         config/arm/linux-elf.h, config/bfin/bfin.h,
2239         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2240         config/i386/beos-elf.h, config/i386/gnu.h,
2241         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2242         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2243         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2244         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2245         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2246         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2247         config/sparc/linux.h, config/sparc/linux64.h,
2248         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2249
2250         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2251         are both defined when either flag -fpic or -fPIC are used.
2252
2253 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2254
2255         * config/fp-bit.c (clzusi): New function.
2256         (si_to_float, usi_to_float): Use it to compute proper shift.
2257         (usi_to_float): Preserve guard bits when shifting right.
2258         * libgcc-std.ver (GCC_4.2.0): New version.
2259         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2260         __floatundisf): New functions.
2261         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2262         __floatundisf): Declare.
2263         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2264         _floatundixf, and _floatunditf.
2265         * optabs.c (expand_float): If target does not define a pattern for
2266         signed or unsigned conversion, use an unsigned libcall instead of
2267         a signed one.
2268         (init_optabs): Initialize ufloat_optab.
2269
2270 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2271
2272         * config/rs6000/rs6000.opt (mmulhw): New option.
2273         * doc/invoke.texi (-mmulhw): Document.
2274         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2275         for 405 and 440.
2276         * config/rs6000/rs6000.md: Add half-word multiply and
2277         multiply-accumulate instructions for 405 and 440.
2278
2279 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2280
2281         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2282         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2283         default now includes a linker group which makes the RTEMS one nest.
2284
2285 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2286
2287         * cse.c (fold_rtx): Typo fix.
2288         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2289
2290 2005-11-21  Richard Henderson  <rth@redhat.com>
2291
2292         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2293         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2294
2295         * c-tree.h (lookup_name): Move declaration ...
2296         * c-common.h (lookup_name): ... here.
2297         * config/darwin-c.c: Include c-common.h.
2298         * config/t-darwin: Update dependencies.
2299
2300 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2301
2302         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2303         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2304         * genopinit.c (gen_insn): Likewise.
2305         * reload.c (find_equiv_reg): Likewise.
2306         * loop.c (load_mems): Likewise.
2307         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2308         * cse.c (find_comparison_args, fold_rtx): Likewise.
2309         * dwarf2out.c (add_const_value_attribute): Likewise.
2310         * expr.c (convert_move): Likewise.
2311         * recog.c (general_operand, register_operand): Likewise.
2312         * reg-stack.c (replace_reg): Likewise.
2313         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2314         * c-common.c (handle_vector_size_attribute): Likewise.
2315         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2316         (simplify_binary_operation_1): Likewise.
2317         (simplify_const_binary_operation): Likewise.
2318         (simplify_relational_operation): Likewise.
2319         (simplify_const_relational_operation): Likewise.
2320         (simplify_immed_subreg): Likewise.
2321         * emit-rtl.c (gen_lowpart_common): Likewise.
2322         * expmed.c (expand_mult): Likewise.
2323         * stor-layout.c (layout_type): Likewise.
2324
2325 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2326
2327         PR target/24951
2328         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2329         cst2 only for SPE vectors.
2330
2331 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2332
2333         PR target/24953
2334         * config/rs6000/predicates.md (vrsave_operation): Check
2335         UNSPEC_VOLATILE value.
2336
2337 2005-11-21  Jan Hubicka  <jh@suse.cz>
2338
2339         PR tree-optimization/24653
2340         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2341
2342 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2343
2344         * config/i386/predicates.md (ax_reg_operand): New predicate.
2345         (memory_displacement_only_operand): New predicate.
2346         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2347         operand is AX register and the other operand is memory operand
2348         with displacement only.
2349
2350 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2351
2352         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2353         if we don't care about NaNs or Infinities.
2354
2355 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2356
2357         PR rtl-optimization/24883
2358         * combine.c (combinable_i3pat): When checking whether the
2359         destination of i3 is used in i3, consider paradoxical subregs.
2360
2361 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2362
2363         PR middle-end/20583
2364         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2365
2366 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2367
2368         * combine.c (try_combine): Do not run subst on i1src and i2src in
2369         the case of generating a PARALLEL for a comparison.
2370
2371 2005-11-20  Richard Henderson  <rth@redhat.com>
2372
2373         PR 24931
2374         * tree-sra.c (struct sra_elt): Add all_no_warning.
2375         (struct sra_walk_fns) <use>: Add use_all argument.
2376         (sra_walk_expr): Pass it.
2377         (sra_walk_modify_expr): Likewise.
2378         (scalarize_ldst): Likewise.
2379         (scan_use): Update for new argument.
2380         (mark_no_warning): New.
2381         (scalarize_use): Use it.
2382
2383 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2384
2385         * expr.c (expand_expr_real): Use usmul_optab for widening
2386         signed * unsigned multiplies.
2387         * genopinit.c (optabs): Add usmul_widen_optab.
2388         * optabs.c (init_optabs): Likewise.
2389         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2390         (usmul_widen_optab): Define.
2391         * config/bfin/bfin.md (usmulhisi3): New pattern.
2392
2393         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2394
2395 2005-11-20  Graham Stott <btinternet.com>
2396
2397         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2398
2399 2005-11-20  Andreas Schwab  <schwab@suse.de>
2400
2401         PR target/24757
2402         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2403         insn.
2404
2405 2005-11-19  Richard Henderson  <rth@redhat.com>
2406
2407         PR tree-opt/24665
2408         * tree-gimple.c (is_gimple_id): Export.
2409         * tree-gimple.h (is_gimple_id): Declare.
2410         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2411         (get_default_value): Use it.
2412         (maybe_fold_stmt_indirect): Likewise.
2413
2414 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2415
2416         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2417         than VR1 or vice-versa.
2418
2419 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2420
2421         PR middle-end/24912
2422         PR middle-end/24750
2423         * reload.c (find_reloads_address_1): Mention dependency on
2424         gen_reload.
2425         * reload1.c (gen_reload): For IN with an unary operation, try
2426         moving inner expression to OUT if trivial SET is not valid.
2427         Confirm that the result is valid.  Move common code block into...
2428         (emit_insn_if_valid_for_reload): New function.
2429
2430 2005-11-19  Richard Guenther  <rguenther@suse.de>
2431
2432         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2433         ARRAY_REFs of constant strings.
2434
2435 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2436
2437         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2438         fatal format string.
2439
2440 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2441
2442         * combine.c (make_compound_operation): Swap operands of
2443         commutative operation if necessary before returning.
2444
2445 2005-11-19  Richard Guenther  <rguenther@suse.de>
2446
2447         PR middle-end/23294
2448         * fold-const.c (fold_plusminus_mult_expr): New function.
2449         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2450         cases, remove now unnecessary code.
2451
2452 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2453
2454         * gensupport.c (old_preds): Rename to std_preds, add special field.
2455         (struct old_pred_table): Rename to struct std_pred_table, add special
2456         field.
2457         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2458         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2459         (init_predicate_table): Adjust, and set along the way whether a
2460         predicate is special.
2461
2462 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2463
2464         * BASE-VER: Change to 4.2.0.
2465
2466 2005-11-18  James E Wilson  <wilson@specifix.com>
2467
2468         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2469         returning it.
2470
2471 2005-11-18  Mike Stump  <mrs@apple.com>
2472
2473         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2474         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2475         * c-decl.c (lookup_name_two) Remove.
2476         * c-tree.h (lookup_name_two): Remove.
2477         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2478         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2479         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2480         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2481
2482 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2483
2484         PR target/24914
2485         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2486         when not generating code to use that co-processor.
2487
2488 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2489
2490         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2491         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2492         these functions are now in tree-phinodes.c.
2493
2494 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2495
2496         * config/bfin/bfin.md (trap): New pattern.
2497
2498 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2499
2500         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2501         on types.
2502
2503         * expr.c (expand_expr_real): Don't call record_block_change unless
2504         ib_boundaries_block is non-null
2505
2506         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2507
2508         * fold-const.c (build_range_check): Use proper type for subtraction
2509         when merging lower bound.
2510
2511 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2512
2513         PR rtl-optimization/24497
2514         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2515         the copied insn.
2516
2517 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2518
2519         * tree-scalar-evolution.c (expression_expensive_p): New function.
2520         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2521
2522 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2523
2524         * config/bfin/crtlibid.s: New file.
2525
2526 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2527
2528         PR target/24348
2529         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2530         when not using sjlj exceptions.
2531         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2532         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2533         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2534         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2535         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2536         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2537         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2538         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2539         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2540         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2541         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2542         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2543         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2544         defines.
2545         * config/pa/hpux-unwind.h: New file.
2546
2547 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2548
2549         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2550         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2551         * varasm.c (do_assemble_alias): Adjust call.
2552         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2553         is defined.
2554         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2555
2556 2005-11-17  James E Wilson  <wilson@specifix.com>
2557
2558         * tree.def (FUNCTION_DECL): Correct typo in comment.
2559
2560 2005-11-17  Richard Henderson  <rth@redhat.com>
2561
2562         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2563         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2564         and DW_CFA_def_cfa_sf.
2565         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2566         (dbx_reg_number): Don't assert particular registers here.
2567         (based_loc_descr): ... do it here instead.  Fold in ...
2568         (eliminate_reg_to_offset): ... this function.
2569         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2570         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2571         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2572         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2573         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2574         (instantiate_virtual_regs): Likewise.
2575         * var-tracking.c (adjust_stack_reference): Likewise.
2576         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2577
2578 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2579
2580         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2581         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2582         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2583         crtlibid.o.
2584         ($(T)crtlibid.o): New rule.
2585
2586 2005-11-16  Richard Guenther  <rguenther@suse.de>
2587
2588         PR middle-end/24851
2589         * fold-const.c (extract_array_ref): Return byte offset
2590         in all cases.
2591         (fold_binary): Fold &x[a] CMP &x[b] to
2592         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2593         behavior.
2594
2595 2005-11-16  Richard Henderson  <rth@redhat.com>
2596
2597         PR middle-end/23497
2598         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2599         parts of an SSA_NAME.
2600
2601 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2602
2603         PR target/24861
2604         * arm.md (split for movsf with immediate): Restrict split to insns
2605         that set a general register.
2606
2607 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2608
2609         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2610         uw_update_context.
2611         * unwind-dw2.c (uw_advance_context): Likewise.
2612         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2613         _Unwind_SjLj_Unregister.
2614         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2615
2616 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2617
2618         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2619
2620 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2621
2622         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2623         langhook to get a DImode integer type.
2624
2625 2005-11-16  Richard Henderson  <rth@redhat.com>
2626             J"orn Rennecke <joern.rennecke@st.com>
2627             Ulrich Weigand  <uweigand@de.ibm.com>
2628
2629         PR rtl-opt/24160
2630         PR target/24621
2631         * reload1.c (reg_equiv_invariant): New.
2632         (reload): Allocate, initialize, and free it.
2633         (calculate_needs_all_insns): Check it when skipping equivalence
2634         setting insns.
2635         (alter_reg): Likewise.
2636         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2637         may_use_invariant argument; only use reg_equiv_invariant when true.
2638         (eliminate_regs): New.
2639         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2640         a context for which may_use_invariant may be true.
2641
2642 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2643
2644         * fold-const.c (const_binop): Don't constant fold the operation
2645         if the result has overflowed and flag_trapping_math.
2646         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2647
2648 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2649
2650         * config/arm/unwind-arm.c (abort): Add prototype here.
2651         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2652         (struct phase1_vrs): Add prev_sp.
2653         (unwind_phase2_forced): Save the original core registers instead of
2654         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2655         and set action flags accordingly.  Always set _US_END_OF_STACK when
2656         get_eit_entry fails.  Unwind before calling the stop function.
2657         (_Unwind_GetCFA): New function.
2658         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2659         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2660         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2661         just call unwind_phase2_forced.
2662         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2663         * config/arm/unwind-arm.h (abort): Remove prototype.
2664         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2665         prototypes.
2666         (_Unwind_GetCFA): New prototype.
2667         * config/arm/pr-support.c (abort): Add prototype here.
2668         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2669         forced unwinding.
2670         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2671         not schedule the prologue with non-call exceptions and EABI.
2672
2673 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2674
2675         * config/arm/unwind-arm.h: Reorder interface function declarations.
2676         (_URC_END_OF_STACK): New enumeration value.
2677         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2678         (struct _Unwind_Control_Block): Document reserved field use.
2679         (_Unwind_Stop_Fn): New typedef.
2680         (_Unwind_ForcedUnwind): Declare.
2681         (_Unwind_Resume_or_Rethrow): Declare.
2682         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2683         argument.  Adjust.
2684         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2685         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2686         (UCB_FORCED_STOP_ARG): New.
2687         (search_EIT_table): Update boundary condition checks.
2688         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2689         (unwind_phase2): Replace for with do..while.
2690         (unwind_phase2_forced): New.
2691         (__gnu_Unwind_RaiseException): Replace for with do..while.
2692         (__gnu_Unwind_ForcedUnwind): New.
2693         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2694         Use appropriate phase2 unwinder.
2695         (__gnu_Unwind_Resume_or_Rethrow): New.
2696         (__gnu_unwind_pr_common): Cope with forced unwinding.
2697
2698 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2699
2700         PR target/24772
2701         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2702
2703         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2704         roundsf2): Remove "s" from mnemonic.
2705
2706 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2707
2708         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2709         __PIC__ is defined.
2710         * config/bfin/crtn.s: Change epilogues to match.
2711         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2712         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2713         __PIC__ and __pic__.
2714
2715 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2716
2717         PR 24357
2718         * doc/invoke.texi: Distinguish between free and fixed form instead of
2719         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2720         languages.
2721         * gcc.c (default_compilers): Remove double entries, add entries for
2722         suffixes '.F90' and '.F95'.
2723
2724 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2725
2726         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2727         in the stack probing loop.
2728
2729 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2730
2731         * configure.ac: Use .machine power5 not power5x.
2732         * configure: Regenerate.
2733
2734 2005-11-15  Mike Stump  <mrs@apple.com>
2735
2736         * c-decl.c (lookup_name_two): Add.
2737         * c-tree.h (lookup_name_two): Likewise.
2738         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2739         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2740
2741 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2742
2743         PR rtl-optimization/23392
2744         * regrename.c (enum scan_actions) Add mark_access.
2745         (scan_actions_name): Ditto.
2746         (scan_rtx_reg): Handle mark_access.
2747         (scan_rtx_address): Do nothing for mark_access.
2748         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2749         and regs in REG_INC notes before closing chains for dead regs.
2750         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2751         opening chains for new writes.
2752
2753 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2754
2755         * c.opt (ffixed-line-length-none): New.
2756
2757 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2758
2759         * mklibgcc.in: Change contents of eh_dummy.c.
2760
2761 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2762
2763         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2764
2765 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2766
2767         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2768         of making syscalls.
2769         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2770
2771 2005-11-15  Jan Hubicka  <jh@suse.cz>
2772
2773         * invoke.texi (large-unit-insns): Document.
2774         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2775         * params.def (large-unit-insns): New param.
2776
2777 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2778
2779         PR target/24869
2780         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2781         special register for operand 3.  Reindent constraints to align
2782         them vertically.
2783
2784 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2785
2786         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2787         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2788         * configure.ac: Add test for FP rounding instructions.
2789         * configure: Regenerate.
2790         * config.in: Regenerate.
2791         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2792         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2793         features enabled.
2794         * config/rs6000/rs6000.opt (mfprnd): New.
2795         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2796         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2797         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2798         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2799         (TARGET_FPRND): New.
2800         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2801         UNSPEC_FRIZ): New.
2802         (btrunc<mode>2): New.
2803         (ceil<mode>2): New.
2804         (floor<mode>2): New.
2805         (round<mode>2): New.
2806
2807 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2808
2809         * gcc.c (version_compare_spec_function): Use fatal() rather than
2810         abort().
2811
2812         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2813         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2814         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2815         as empty.
2816         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2817         link in crt2.o.
2818
2819         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2820         on -mmacosx-version-min setting.
2821
2822 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2823
2824         PR 24840
2825         * tree-vrp.c (infer_value_range): Return false if STMT is a
2826         block terminator and its basic block has no successors.
2827
2828 2005-11-14  Mike Stump  <mrs@apple.com>
2829
2830         * config/i386/i386.c (override_options): -masm=intel isn't
2831         supported on darwin.
2832         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2833
2834 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2835
2836         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2837         vfork after including auto-host.h.
2838
2839 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2840
2841         PR rtl-optimization/22002
2842         * combine.c (distribute_notes): Detect cases where a reg dies
2843         two or more times in a bb, including on the insn we are combining,
2844         and place the death note on the correct range.
2845
2846 2005-11-14  Dale Johannesen  <dalej@apple.com>
2847
2848         * expmed.c (store_bit_field):  Add offset unconditionally for
2849         memory targets.
2850         (extract_bit_field):  Don't force extzv or extv operand into
2851         a register if field is too big.
2852
2853 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2854
2855         * config/arm/arm.c (pic_labelno): New.
2856         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2857         LABEL_REF.  Pass only the labelno to PIC insns.
2858         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2859         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2860         * arm.md (UNSPEC_PIC_LABEL): New constant.
2861         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2862         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2863         Use the correct label prefix.
2864
2865 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2866
2867         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2868         REQ_EQUIV note.
2869
2870 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2871
2872         * loop-invariant.c: Include tm_p.h.
2873         * Makefile.in: Updated.
2874
2875 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2876
2877         * pa.c (store_reg): Revise generation of frame notes in large frames.
2878         (set_reg_plus_d): Likewise.
2879
2880 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2881
2882         PR tree-optimization/24709
2883         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2884         loop check.
2885
2886 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2887
2888         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2889         and duplicate declaration of pthread_self.
2890
2891 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2892             Ian Lance Taylor  <ian@airs.com>
2893
2894         PR middle-end/24003
2895         * calls.c (expand_call): If TARGET is a MEM and some part of the
2896         argument area has been saved, force TARGET to a register.
2897
2898 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2899
2900         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2901         checking.
2902
2903 2005-11-13  Jason Merrill  <jason@redhat.com>
2904
2905         PR c++/22489
2906         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2907         lazily declared methods.
2908         (force_decl_die): Stop if forcing out the context already make a
2909         DIE for the decl.
2910         (force_type_die): Likewise.
2911
2912 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2913
2914         PR middle-end/24820
2915         * builtins.c (integer_valued_real_p): Add break in
2916         REAL_CST having TREE_OVERFLOW set.
2917
2918 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2919
2920         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2921         addressing modes during calculation of costs.
2922
2923 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2924
2925         * function.c (assign_stack_local_1): Restrict sanity check
2926         on frame size overflow to 32-bit and above platforms.
2927
2928 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2929
2930         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2931         * config/cris/cris.c: Include reload.h.
2932         (cris_initial_elimination_offset): New function.
2933         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2934         Prototype.
2935
2936 2005-11-12  Richard Guenther  <rguenther@suse.de>
2937
2938         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2939
2940 2005-11-12  Jan Hubicka  <jh@suse.cz>
2941
2942         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2943         to compare against 0 when possible.
2944
2945 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2946
2947         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2948         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2949         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2950         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2951         in the new order.
2952
2953 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2954
2955         * recog.c (constrain_operands) <case 'g'>: For a match, require
2956         that a non-register matches general_operand when strict >= 0.
2957
2958 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2959
2960         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2961         previous checkin.
2962
2963 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2964
2965         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2966         (memory_address_same): New.
2967         (dse_optimize_stmt): Call memory_address_same.
2968
2969 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2970
2971         PR middle-end/24750
2972         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2973         ZERO_EXTEND>: New cases.
2974
2975 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2976
2977         * longlong.h (__clz_tab): Always provide.
2978
2979 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2980
2981         PR 24265
2982         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2983         can be assigned to.
2984         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2985         before check_maybe_invariant.
2986         (move_invariant_reg): Use gen_move_insn instead of replacing
2987         SET_DEST with the temporary for the invariant.
2988         (move_loop_invariants): If checking is enabled, do internal
2989         consistency checks after completing the pass.
2990
2991 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2992
2993         PR 24644
2994         * common.opt (Wvolatile-register-var): New.
2995         * varasm.c (make_decl_rtl): Only emit warning when option
2996         specified.  Clarify warning message.
2997         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2998
2999         * doc/md.texi (copysign): Document standard named pattern.
3000
3001 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3002
3003         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3004         bytes when align is 2.
3005         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3006         by the first instruction of the loop.
3007
3008 2005-11-11  Jason Merrill  <jason@redhat.com>
3009
3010         PR c++/24686
3011         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3012         the cleanup list.
3013
3014 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3015
3016         PR rtl-optimization/22509
3017         * local-alloc.c (memref_used_between_p): Check whether a function call
3018         could not reference the memref.
3019
3020 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3021
3022         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3023         algorithm so as to choose the best, not the worst, alternative.
3024         Reset accumulated register class before processing next alternative.
3025
3026 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3027
3028         PR target/24445
3029         * calls.c (expand_call): Copy a return value to a plain register
3030         if needed.
3031
3032 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3033
3034         PR target/24778
3035         * varasm.c (assemble_name): Recompute name only for transparent
3036         aliases.
3037
3038 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3039
3040         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3041
3042 2005-11-04  Jeff Law  <law@redhat.com>
3043
3044         PR middle-end/23181
3045         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3046         perform reassociation if the parent statement will not die as
3047         a result of the optimization.
3048
3049 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3050
3051         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3052         delete_old_heap_vars.
3053         * tree-dfa.c (referenced_var_remove): Remove function.
3054         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3055         (delete_tree_ssa): Remove call to delete_old_heapvars.
3056         Add call to delete_alias_heapvars.
3057         * tree-flow.h (referenced_var_remove): Remove prototype
3058         (init_alias_heapvars): New prototype.
3059         (delete_alias_heapvars): Ditto.
3060         * Makefile.in (tree-ssa-structalias.o): Add
3061         gt-tree-ssa-structalias.o
3062         (GTFILES): Add tree-ssa-structalias.h and
3063         tree-ssa-structalias.c.
3064         (s-gtype): Add gt-tree-ssa-structalias.h.
3065         * tree-ssa-structalias.c (heapvars): Remove.
3066         (oldheapvars): Remove.
3067         (heapvar_for_stmt): New variable.
3068         (heapvar_lookup): New function.
3069         (heapvar_insert): Ditto.
3070         (get_constraint_for): See if we have an old heapvar
3071         to reuse.
3072         (init_alias_heapvars): New function.
3073         (delete_alias_heapvars): Ditto.
3074         Add include of gt-tree-ssa-structalias.h.
3075
3076 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3077
3078         PR middle-end/22127
3079         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3080
3081 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3082
3083         * tree.c (int_fits_type_p): Only look at the base type
3084         if it has the same precision as the original type.
3085
3086 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3087
3088         PR other/4372
3089         * varasm.c (assemble_alias): Use %q+D in the error
3090         message instead of %J and %qD.
3091
3092 2005-11-10  Richard Guenther  <rguenther@suse.de>
3093
3094         * gcse.c (free_ldst_entry): Only free hashtable if
3095         it exists.
3096
3097 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3098
3099         * function.c (assign_stack_local_1): Issue an error message if
3100         the frame size overflows in the signed target arithmetics.
3101
3102 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3103
3104         * tree.c (build_qualified_type): Chain the new type to the original
3105         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3106         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3107         (build_pointer_type_for_mode): Only return unqualified types.
3108         (build_reference_type_for_mode): Likewise.
3109
3110 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3111
3112         * Makefile.in (gnucompare): Do comparison of all files using one of
3113         the chosen methods and only afterwards decide if just warning should
3114         be issued or comparison failure raised.
3115
3116 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3117
3118         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3119         (noce_try_abs): Negate if the comparison is reversed.
3120         Look only one instruction backwards for a REG_EQUAL note.
3121
3122 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3123
3124         PR other/4372
3125         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3126         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3127         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3128         and prefix all uses with __ghtrw.
3129
3130 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3131
3132         PR other/4372
3133         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3134         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3135         * c-common.c (handle_weakref_attribute): New.
3136         (c_common_attribute_table): Add weakref.
3137         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3138         in the assembler.
3139         * configure, config.in: Rebuilt.
3140         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3141         * doc/extend.texi: Document weakref attribute.
3142         * varasm.c (ultimate_transparent_alias_target): New
3143         (assemble_name): Use it.
3144         (weak_finish_1): Split out of...
3145         (weak_finish): ... and deal with weakrefs in...
3146         (weakref_targets): ... new list.
3147         (globalize_decl): Clean up weakref_targets.
3148         (do_assemble_alias): Handle weakrefs.
3149         (finish_aliases_1): Do not reject weakrefs to external symbols.
3150         (assemble_alias): Handle weakrefs.
3151
3152 2005-11-09  Richard Guenther  <rguenther@suse.de>
3153
3154         PR tree-optimization/24716
3155         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3156         t_bool to track results from follow_ssa_edge.
3157
3158 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3159
3160         * final.c (force_source_line): New global variable.
3161         (final_scan_insn): Set it to true instead of clearing last_filename.
3162         (notice_source_line): Return true if force_source_line is true,
3163         unless source info is absent.
3164
3165 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3166
3167         PR c/24644
3168         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3169         a linkage name for a variable if it a register variable.
3170         * c-decl.c (grokdeclarator): Global register variables
3171         should be set as PUBLIC.
3172
3173 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3174
3175         PR 24624
3176         * config/s390/s390.c (struct s390_frame_layout): New fields
3177         first_save_gpr_slot and last_save_gpr_slot.
3178         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3179         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3180         first_save_gpr and last_save_gpr with the _slot variants.
3181         (s390_register_info): Calculate first_save_gpr_slot and
3182         last_save_gpr_slot using regs_ever_live.
3183
3184 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3185
3186         PR 24623
3187         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3188         for a function containing a landing pad.
3189
3190 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3191
3192         PR 24034
3193         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3194         is live afterwards.
3195
3196 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3197
3198         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3199         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3200
3201 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3202
3203         Add ms2 support
3204         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3205         constants.
3206         (call,load,store): New insn types.
3207         (mem_access, branch_access): Adjust reservation conditions.
3208         (define_delay): Adjust condition.
3209         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3210         type.
3211         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3212         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3213         insn type.
3214         (call_internal, call_value_internal, return_internal,
3215         return_interrupt_internal, eh_return_internal, indirect_jump,
3216         tablejump): Set call insn type.
3217         (blockage, ei, di): Use appropriate unspec const.
3218         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3219         (ms1_get_attr_type): Adjust to give load & store types.
3220         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3221         backwards past a barrier.
3222         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3223         branch scheduling.
3224         (struct branch_info, struct label_info): New.
3225         (ms1_labels): New.
3226         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3227         (ms1_machine_reorg): New.
3228         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3229         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3230         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3231         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3232         (TARGET_MS2): New.
3233
3234 2005-11-09  Per Bothner  <per@bothner.com>
3235             Uros Bizjak  <uros@kss-loka.si>
3236
3237         PR c/24101
3238         * toplev.c (process_options): Initialize debug_hooks early
3239         in case lang_hooks.post_options ends up calling a debug_hook.
3240
3241 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3242
3243         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3244         DBX_REGISTER_NUMBER being contiguous.
3245
3246 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3247             Diego Novillo  <dnovillo@redhat.com>
3248
3249         PR 23046
3250         * tree-vrp.c (register_edge_assert_for): Do not register
3251         always-false predicates.
3252
3253 2005-11-08  Devang Patel <dpatel@apple.com>
3254
3255         PR tree-optimization/23115
3256         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3257         relation.
3258
3259 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3260
3261         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3262         -mcpu=440.
3263
3264 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3265
3266         Fix PR tree-optimization/23382
3267
3268         * tree-ssa-alias.c (compute_may_aliases): Call
3269         delete_old_heap_vars.
3270         * tree-dfa.c (referenced_var_remove): New function.
3271         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3272         * tree-flow.h (referenced_var_remove): Add prototype.
3273         (delete_old_heap_vars): Ditto.
3274         * tree-ssa-structalias.c (heapvars): New variable.
3275         (oldheapvars): Ditto.
3276         (get_constraint_for): Put heap vars on heapvars list.
3277         (delete_old_heap_vars): New function.
3278
3279 2005-11-08  Jason Merrill  <jason@redhat.com>
3280
3281         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3282
3283 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3284
3285         PR target/19340
3286         * reg-stack.c (reg_to_stack): Update register liveness also
3287         for flag_sched2_use_traces.
3288
3289 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3290
3291         PR target/23704
3292         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3293         override prior explicit -mno-powerpc-gfxopt.
3294
3295 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3296
3297         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3298         if the bitsize is zero.
3299         * doc/md.texi (Standard Pattern Names): Document it.
3300
3301         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3302         (TARGET_PASS_BY_REFERENCE): Likewise.
3303
3304 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3305
3306         PR rtl-optimization/24683
3307         * config/i386/i386.c (legitimize_pic_address): If constant operand
3308         to PLUS is too large, put it in a register.
3309
3310 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3311
3312         * configure.ac: Enable checking assembler dwarf2 support for bfin
3313         target.
3314         * configure: Regenerate.
3315
3316 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3317
3318         PR target/24230
3319
3320         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3321         gen_easy_vector_constant_add_self): Delete.
3322         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3323         New.
3324         (output_vec_const_move): Use gen_easy_altivec_constant.
3325         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3326         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3327         (easy_vector_constant_add_self): Rewritten.
3328         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3329         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3330         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3331         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3332         Macroize and adjust for the other changes.
3333
3334 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3335
3336         PR c/24599
3337
3338         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3339         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3340
3341 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR rtl-optimization/23567
3344         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3345         (noce_process_if_block): Don't do any optimizations except
3346         if (cond) x = x; if !set_b and write into orig_x may trap
3347         or fault.  Remove the MEM_READONLY_P check.
3348
3349 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3350
3351         PR 24670
3352         * tree-vrp.c (fix_equivalence_set): New.
3353         (extract_range_from_assert): Call it.
3354
3355 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3356
3357         PR target/22432
3358         * combine.c (apply_distributive_law): Don't distribute across a
3359         vector mode subreg.
3360
3361 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3362
3363         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3364         config/ms1/ms1.h, config/rs6000/predicates.md,
3365         config/s390/s390.c, params.def, postreload-gcse.c,
3366         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3367         tree-vrp.c, tree.c: Fix comment typos.
3368         * doc/invoke.texi: Fix typos.
3369
3370 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3371
3372         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3373         for testing whether the data_dependence_relation contains distance
3374         vectors.  Iterate over all distance vectors of the ddr.
3375         * lambda.h: Define a vec of lambda_vector pointers.
3376         * tree-data-ref.c (dump_data_dependence_relation,
3377         dump_data_dependence_direction): Iterate over all distance and
3378         direction vectors of the ddr.
3379         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3380         DDR_DIST_VECTS.
3381         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3382         of distance/direction vectors instead of a single one.
3383         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3384         lambda_vectors with a vec of lambda_vectors.
3385         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3386         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3387         DDR_NUM_DIST_VECTS): New.
3388         * tree-loop-linear.c (gather_interchange_stats): Test for the
3389         existence of distance vectors only after having checked that there
3390         is a dependence.  Iterate over all distance vectors of the ddr.
3391         (linear_transform_loops): Use dump_data_dependence_relation.
3392         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3393         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3394         distance vectors of the ddr.
3395
3396 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3397
3398         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3399         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3400         IS_INTHANDLER; all callers changed.
3401         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3402         account.
3403         (do_link, do_unlink): New argument ALL; all callers changed.
3404         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3405         If function isn't leaf, save and restore all registers.
3406         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3407         exception handler.
3408
3409 2005-11-05  Jan Hubicka  <jh@suse.cz>
3410
3411         PR rtl-optimization/23490
3412         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3413         max-flow-memory-location): Document.
3414         * flow.c: Include params.h
3415         (MAX_MEM_SET_LIST_LEN): Kill.
3416         (add_to_mem_set_list): Use new param.
3417         * cse.c (cse_basic_block): Replace 1000 by new param.
3418         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3419         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3420         * predict.c (predict_loops): Use new param.
3421         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3422
3423         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3424         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3425         Do not hold memory returned by cgraph_node_name across other call.
3426
3427 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3428
3429         PR target/23424
3430         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3431         Disable.
3432
3433 2005-11-04  Jeff Law  <law@redhat.com>
3434
3435         PR/21883
3436         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3437         * tree-ssa-dom.c: Include params.h.
3438         (thread_across_edge): If there are too many statements in the
3439         target block, then do not thread through it.
3440         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3441         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3442
3443 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3444
3445         PR 24627
3446         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3447         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3448
3449 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3450
3451         PR/18595
3452         * tree-scalar-evolution.c (instantiate_parameters_1,
3453         instantiate_parameters, resolve_mixers): Compute the size of an
3454         expression to be instantiated and give up the instantiation if the
3455         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3456
3457 2005-11-04  Richard Guenther  <rguenther@suse.de>
3458
3459         * tree-flow.h (ref_contains_indirect_ref): Rename to
3460         array_ref_contains_indirect_ref.
3461         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3462         (array_ref_contains_indirect_ref): Make comment match the code
3463         and vice-versa.
3464         (ref_contains_array_ref): Likewise.
3465         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3466         ref_contains_indirect_ref.
3467         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3468         Rename calls to ref_contains_indirect_ref.
3469
3470 2005-11-04 Paul Brook  <paul@codesourcery.com>
3471
3472         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3473         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3474         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3475         * config/arm/arm.md: Use match_operand in peephole input templates
3476         and match_dup in peephole output templates.
3477
3478 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3479
3480         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3481         __aeabi_uidiv.
3482
3483 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3484             Daniel Jacobowitz  <dan@codesourcery.com>
3485
3486         * longlong.h (add_ssaaaa): Clobber condition code register
3487         in ARM version.
3488         (sub_ddmmss): Likewise.
3489         (umul_ppmm): Likewise.
3490
3491 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3492             Paul Brook  <paul@codesourcery.com>
3493             Phil Blundell  <pb@reciva.com>
3494
3495         * configure.ac: Add test for ARM TLS support.
3496         * configure: Regenerated.
3497         * config/arm/arm-protos.h (legitimize_tls_address)
3498         (arm_tls_referenced_p, tls_mentioned_p)
3499         (arm_output_addr_const_extra): New prototypes.
3500         (thumb_legitimize_pic_address): Delete.
3501         * config/arm/arm.c: Include "gt-arm.h".
3502         (enum tls_reloc): New.
3503         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3504         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3505         (arm_call_tls_get_addr, legitimize_tls_address)
3506         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3507         (arm_init_tls_builtins, arm_emit_tls_decoration)
3508         (arm_output_addr_const_extra): New functions.
3509         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3510         (TARGET_HAVE_TLS): Define.
3511         (target_thread_pointer): New.
3512         (arm_override_options): Handle -mtp=.
3513         (legitimize_pic_address): Ignore UNSPECs.
3514         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3515         relative symbols.
3516         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3517         (tls_get_addr_libfunc): New variable.
3518         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3519         (arm_init_builtins): Call arm_init_tls_builtins.
3520         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3521         (arm_encode_section_info): Call default_encode_section_info.
3522         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3523         (enum arm_tp_type): New.
3524         (target_thread_pointer): Add declaration.
3525         (LEGITIMATE_CONSTANT_P): Handle TLS.
3526         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3527         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3528         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3529         * config/arm/arm.md: Add UNSPEC_TLS.
3530         (movsi): Handle TLS.
3531         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3532         non-PIC.
3533         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3534         (load_tp_hard, load_tp_soft): New insns.
3535         * arm.opt: Add -mtp=.
3536         * doc/invoke.texi (ARM Options): Document -mtp.
3537
3538 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3539
3540         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3541         * config/arm/libunwind.S: Include "lib1funcs.asm".
3542         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3543         (LIB2ADDEH): Add libunwind.S.
3544         (LIB2ADDEHDEP): Add lib1funcs.asm.
3545         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3546
3547 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3548
3549         PR fortran/18452
3550         * gcc/c.opt: Add a -lang-fortran option.
3551         * gcc/c-opts.c: Add a lang_fortran flag.
3552         (c_common_init_options): Handling the -lang-fortran option.
3553         (c_common_handle_option): Add a case for Fortran options in
3554         preprocessing. Remove cases for -ffixed-form and
3555         -ffixed-line-length. Add a case for -lang-fortran.
3556
3557 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3558
3559         * config/rs6000/rs6000.c: Include params.h
3560         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3561         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3562         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3563         (UNSPEC_VPKUWSS): Delete.
3564         (altivec_vpkuhss): Delete.
3565         (altivec_vpkuwss): Delete.
3566         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3567         final condition.
3568         (neg_eq0<mode>): Remove final condition.
3569         (neg_eq<mode>): Remove condition and split-condition.
3570
3571 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3572
3573         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3574         Use associated print macros.
3575
3576 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3577
3578         PR c++/17964
3579         * diagnostic.c (diagnostic_set_info_translated): New function.
3580         (diagnostic_set_info): Use it.  Add comment.
3581         * diagnostic.h (diagnostic_set_info_translated): Declare.
3582
3583 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3584
3585         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3586         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3587         reference only if 'public' is true.
3588         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3589         emit the .hidden directive only if the indirect reference is public.
3590         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3591         Pass it to dw2_force_const_mem.
3592         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3593         * dwarf2out.c (output_cfi): Adjust calls to above function.
3594         (output_call_frame_info): Likewise.
3595         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3596         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3597
3598 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3599
3600         PR tree-optimization/24483
3601         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3602         field to elts if possible.
3603
3604 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3605
3606         PR middle-end/23155
3607         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3608         CONSTRUCTOR.
3609
3610 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3611
3612         Fix PR tree-optimization/24351
3613
3614         * tree-ssa-structalias.c (struct variable_info): Add
3615         collapsed_into.
3616         (get_varinfo_fc): New function to follow collapsing.
3617         (new_var_info): Set collapsed_to to NULL.
3618         (dump_constraint): Follow collapsing.
3619         (build_constraint_graph): Handle collapsing.
3620         (do_simple_structure_copy): Return false if something bad
3621         happened.
3622         (collapse_rest_of_var): New function.
3623         (do_structure_copy): Collapse if do_simple_structure_copy returns
3624         false.
3625
3626 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3627
3628         PR middle-end/24589
3629         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3630         expressions to a statement list instead of gimplifying them.
3631
3632 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3633
3634         PR rtl-optimization/23585
3635         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3636         that can't trap plus a constant integer, if the mode has zero size.
3637
3638 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3639
3640         PR target/24620
3641         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3642         as operand 2.
3643         ("*insv<mode>_reg_extimm"): Likewise.
3644
3645 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3646
3647         PR c/24329
3648         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3649         c_common_type_for_mode returns an unnamed type.
3650
3651 2005-11-02  Richard Henderson  <rth@redhat.com>
3652
3653         PR target/9350
3654         PR target/24374
3655         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3656         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3657         * function.c (assign_parms): Use calls.internal_arg_pointer.
3658         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3659         code.
3660         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3661         (TARGET_CALLS): Add it.
3662         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3663         * targhooks.c (default_internal_arg_pointer): New.
3664         * targhooks.h (default_internal_arg_pointer): Declare.
3665         * tree.h (dwarf2out_reg_save_reg): Declare.
3666         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3667         * config/i386/i386.c (dbx_register_map): Add return column.
3668         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3669         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3670         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3671         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3672         (ix86_save_reg): Save force_align_arg_pointer.
3673         (ix86_emit_save_regs): Make regno unsigned.
3674         (ix86_emit_save_regs_using_mov): Likewise.
3675         (ix86_expand_prologue): Handle force_align_arg_pointer.
3676         (ix86_expand_epilogue): Likewise.
3677         * config/i386/i386.h: (dbx_register_map): Update.
3678         (dbx64_register_map, svr4_dbx_register_map): Update.
3679         (struct machine_function): Add force_align_arg_pointer.
3680         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3681         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3682         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3683
3684 2005-11-02  Jan Hubicka  <jh@suse.cz>
3685
3686         PR target/23303
3687         * i386.md: Add peep2 for simplyfing array accesses.
3688
3689 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3690
3691         PR target/24615
3692         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3693         * config/s390/s390.c (s390_decompose_shift_count): New function.
3694         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3695         (print_shift_count_operand): Use s390_decompose_shift_count.
3696         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3697         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3698
3699 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3700
3701         PR target/24600
3702         * loop.c (loop_givs_rescan): Use force_operand to expand
3703         complex GIVs.
3704
3705 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3706
3707         PR 22429
3708         * fold-const.c (build_range_check): Use unsigned when signed
3709         overflow is undefined also.  If etype is subtype, make sure that
3710         the subtraction is in the supertype.
3711
3712 2005-11-02  Richard Henderson  <rth@redhat.com>
3713
3714         PR target/24178
3715         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3716         by MEM_ALIGN.
3717
3718 2005-11-01  Richard Henderson  <rth@redhat.com>
3719
3720         PR 21518
3721         * loop.c (scan_loop): Do not propagate computations to a hard
3722         register destination with SMALL_REGISTER_CLASSES.
3723
3724 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3725
3726         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3727         costs for MULT inside PLUS or MINUS.
3728
3729 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3730
3731         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3732         (TRAMPOLINE_SIZE): Round up to 60.
3733         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3734
3735 2005-10-31  James E. Wilson  <wilson@specifix.com>
3736
3737         PR debug/24444
3738         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3739         ifdef.  Put ifdefs around call in gen_subprogram_die.
3740         (compute_frame_pointer_to_cfa_displacement): Likewise.
3741         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3742         not defined.
3743
3744         PR rtl-optimization/17356
3745         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3746         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3747
3748 2005-10-31  Jan Hubicka  <jh@suse.cz>
3749
3750         PR middle-end/24093
3751         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3752
3753         PR target/20928
3754         * i386.c (legitimize_pic_address): Deal with large immediates.
3755
3756         PR profile/20815
3757         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3758         from symbol names while computing checkup.
3759
3760         PR profile/24487
3761         * predict.c (predict_loops): Do not estimate more than
3762         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3763         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3764
3765 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3766
3767         PR tree-optimization/19097
3768         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3769
3770 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3771
3772         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3773
3774 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3775
3776         PR middle-end/23492
3777         * tree-inline.c (setup_one_parameter): If the init_stmt
3778         is NULL, don't insert the statement.
3779
3780 2005-10-30  Jan Hubicka  <jh@suse.cz>
3781
3782         PR tree-optimization/24172
3783         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3784
3785 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3786
3787         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3788         constants for hosts with long != 32 bits.
3789
3790 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3791
3792         PR middle-end/24093
3793         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3794
3795 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3796
3797         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3798         (TARGET_MS1_16_002): New.
3799         (TARGET_MS1_16_003): New.
3800
3801         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3802         ("*decrement_and_branch_until_zero_no_clobber"): New.
3803         Add corresponding splitter for decrement_and_branch_until_zero
3804         instruction.
3805         Key all decrement_and_branch_until_zero patterns off of
3806         TARGET_MS1_16_003.
3807
3808 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3809
3810         PR middle-end/24362
3811         * tree-complex.c (extract_component): Treat RESULT_DECL
3812         like the rest of the decls.
3813
3814 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3815
3816         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3817         indirect call to _mcount if the function needs a static chain.
3818
3819 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3820             Caroline Tice  <ctice@apple.com>
3821
3822         PR rtl-optimization/24460
3823         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3824         (dwarf2out_switch_text_section): Set it to true instead of
3825         incrementing separate_line_info_table_in_use.
3826         (output_loc_list): Additionally test have_switched_text_sections.
3827         (output_ranges): Likewise.
3828         (dwarf2out_finish): Likewise.
3829         * varasm.c (assemble_start_function): Do not call
3830         insert_section_boundary_note.
3831         (assemble_end_function): If flag_reorder_blocks_and_partition,
3832         switch to the function's section before emitting the .size directive.
3833         * bb-reorder.c (insert_section_boundary_note): Staticify.
3834         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3835         * output.h (insert_section_boundary_note): Delete.
3836
3837 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3838
3839         PR c/23103
3840         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3841         instead of pointer equality when comparing types.
3842
3843 2005-10-24  James E. Wilson  <wilson@specifix.com>
3844
3845         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3846         add_dependence_list_and_free calls.
3847
3848 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3849
3850         * contrib.texi: Add the names of the LLNL folks who donated
3851         Cray pointer support for gfortran.
3852
3853 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3854
3855         PR tree-optimization/24225
3856         * profile.c (branch_prob): Look from end to start through a
3857         basic block when looking for a locus.
3858
3859 2005-10-24  Richard Henderson  <rth@redhat.com>
3860
3861         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3862         parallel.
3863         (hppa_expand_prologue): Likewise.
3864
3865 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3866
3867         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3868         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3869         * pa.h (NO_PROFILE_COUNTERS): Define.
3870         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3871         (funcdef_nos): New vector to hold label numbers of deferred profile
3872         counters.
3873         (output_deferred_profile_counters): New function.
3874         (hppa_profile_hook): Push label number onto funcdef_nos.
3875         (pa_hpux_file_end): Call output_deferred_profile_counters if
3876         NO_DEFERRED_PROFILE_COUNTERS is false.
3877
3878         * pa-protos.h (get_deferred_plabel): New prototype.
3879         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3880         Make global.
3881         (output_call): Adjust calls.
3882
3883 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3884
3885         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3886         peculiarity of GOT/TOC section usage.
3887
3888 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3889
3890         PR objc/24435
3891          * c-common.c (constant_string_class_name): Add documentation.
3892
3893 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3894
3895         PR target/23832
3896         * recog.c (peephole2_optimize): Increment peep2_current_count
3897         only when the slot is empty.
3898
3899 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3900
3901         PR ada/23957
3902         * except.c (output_function_exception_table): Call
3903         assemble_external_libcall if we need a personality function.
3904
3905 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3906
3907         PR rtl-optimization/24460
3908         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3909         set the basic block for barriers.
3910
3911 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3912
3913         * var-tracking.c (vt_initialize): Initialize post.
3914
3915 2005-10-21  Devang Patel  <dpatel@apple.com>
3916
3917         PR/24220
3918         * c-common.c (vector_types_convertible_p): Check vector element type.
3919
3920 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3921
3922         * config/sh/sh.c (prepare_move_operands): Handle the address
3923         constant which is a tls symbolic address plus a constant.
3924
3925 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3926
3927         PR driver/24473
3928         * gcc.c (main): Use the correct counter for erroring out
3929         about mulitple files.
3930
3931 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3932
3933         PR target/24465
3934         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3935         use r2 for 64-bit tls .got access.
3936
3937 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3938
3939         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3940         TRUTH_OR_EXPR.
3941
3942 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3943
3944         PR tree-optimization/24307
3945         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3946
3947 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3948
3949         PR middle-end/24295
3950         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3951         alias targets.
3952         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3953         is ready, stop marking functions, but still mark variables.
3954
3955 2005-10-20  Richard Guenther  <rguenther@suse.de>
3956
3957         PR c++/24439
3958         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3959         void type operands.
3960
3961 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3962
3963         PR rtl-optimization/23585
3964         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3965         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3966         (may_trap_p_1): New predicate extracted from...
3967         (may_trap_p): ... here.  Invoke may_trap_p_1.
3968         (may_trap_or_fault_p): New predicate.
3969         * rtl.h (may_trap_or_fault_p): Declare it.
3970         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3971         instead of may_trap_p.
3972         (steal_delay_list_from_fallthrough): Likewise.
3973         (fill_simple_delay_slots): Likewise.
3974         (fill_slots_from_thread): Likewise.
3975         * function.c (pad_to_arg_alignment): Rework comment about
3976         SPARC_STACK_BOUNDARY_HACK.
3977         * config/sparc/sparc.h: Likewise.
3978
3979 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3980
3981         * config/s390/s390.c (s390_expand_insv): New.
3982         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3983         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3984         ("icm_hi"): Remove mode attribute.
3985         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3986         Adjust all uses.
3987         ("*extracthi", "*extractqi"): Remove.
3988         (extv<mode>", "*extzv<mode>"): New.
3989         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3990         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3991
3992 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3993
3994         * cfgexpand.c (discover_nonconstant_array_refs_r,
3995         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3996         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3997         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3998         discover_nonconstant_array_refs.
3999
4000 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4001
4002         PR c/23228
4003         * c-decl.c (pop_scope): Don't warn about an unused variable
4004         if it is marked with TREE_NO_WARNING.
4005         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4006         somenow mismatch and olddecl is to be replaced.
4007
4008 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4009
4010         PR middle-end/23199
4011         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4012         whether registers live on the edge can be saved/restored.
4013
4014 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4015
4016         * config/sh/sh.c (fixup_mova): Skip notes.
4017
4018 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4019
4020         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4021         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4022         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4023         (s390_initial_elimination_offset): Likewise.
4024         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4025         register on TARGET_ZARCH targets.
4026         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4027         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4028         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4029         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4030
4031 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4032
4033         * config/s390/s390.md: Comment describing output modifiers updated.
4034         * config/s390/s390.c (print_operand): Likewise.
4035
4036 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4037
4038         * config/s390/s390.c (override_options): Added check for -mstack-size
4039         64k limitation.
4040         * doc/invoke.texi: Mention that limit in the documenation.
4041
4042 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4043
4044         PR #19672
4045         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4046
4047 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4048
4049         Fix PR tree-optimization/24231
4050
4051         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4052         (compute_avail): Ditto.
4053
4054 2005-10-18  Richard Henderson  <rth@redhat.com>
4055
4056         PR target/24428
4057         * config/i386/i386.c (legitimate_constant_p): Check
4058         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4059         if LABEL_REF.
4060         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4061         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4062         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4063         directly.
4064         (print_operand_address): Likewise.
4065         * config/i386/predicates.md (x86_64_immediate_operand): Test
4066         SYMBOL_REF_TLS_MODEL properly inside CONST.
4067         (x86_64_zext_immediate_operand): Likewise.
4068         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4069         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4070         * config/i386/i386-protos.h: Remove predicates.md entries.
4071
4072 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4073
4074         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4075         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4076
4077 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4078             Ian Lance Taylor <ian@airs.com>
4079
4080         PR middle-end/23522
4081         * fold-const.c (fold_widened_comparison): Do not allow range based
4082         constant folding when right operand cannot be unwidened.
4083
4084 2005-10-17  Richard Henderson  <rth@redhat.com>
4085
4086         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4087         with a memory clobber.
4088
4089 2005-10-17  James E Wilson  <wilson@specifix.com>
4090
4091         PR rtl-optimization/17356
4092         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4093         checking for EDGE_EH.
4094
4095 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4096
4097         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4098         the slot on an even boundary for any type with 16-byte alignment.
4099
4100 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4101
4102         PR target/23424
4103         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4104         after register allocation.
4105
4106 2005-10-17  DJ Delorie  <dj@redhat.com>
4107
4108         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4109         as frame related.
4110
4111 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4112
4113         PR c++/22551
4114         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4115         overflow flags.
4116
4117 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4118
4119         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4120         to 2 if it's already non-zero.
4121         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4122         is set and warn about it if flag_schedule_insns is 1.
4123
4124 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4125
4126         * config/crx/crx.md: Compare-and-branch instructions need to
4127         invalidate CC.
4128
4129 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4130
4131         PR target/24315
4132         * config/i386/i386.md (*pushdi2_rex64 splitter)
4133         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4134         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4135         flow2 pass only when (optimize > 0 && flag_peephole2).
4136
4137 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4138
4139         PR driver/22544
4140         * gcc.c (have_c): New static variable.
4141         (have_o): Likewise.
4142         (process_command): Remove declation of have_c.
4143         Set have_o to 1 when handling -o.
4144         (main): Add a fatel error if there are multiple
4145         files specified and -o and -c/-S is passed witout
4146         -combine or multiple languages.
4147
4148 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4149
4150         Fix PR tree-optimization/22444
4151         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4152         Assert that we don't hit something with subvars.
4153         (setup_pointers_and_addressables): Don't add things with subvars,
4154         because we'll already process the subvars for aliasing purposes.
4155
4156 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4157
4158         PR target/23424
4159         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4160         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4161         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4162         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4163         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4164         swapped, alternatives for the R constraint.
4165
4166         PR middle-end/24341
4167         * builtins.c (get_builtin_sync_mode): Make unlimited
4168         mode_for_size request.
4169
4170 2005-10-15  Richard Henderson  <rth@redhat.com>
4171
4172         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4173         (gimplify_expr): ... here.
4174         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4175         fb_lvalue in base expression.
4176
4177 2005-10-15  Richard Henderson  <rth@redhat.com>
4178
4179         PR 23714
4180         * builtins.c (expand_builtin_trap): Export.
4181         * expr.h (expand_builtin_trap): Declare.
4182         * expr.c (expand_assignment): Emit a trap for integral offsets
4183         from registers that weren't reduced to bitpos.
4184
4185         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4186         (mark_array_ref_addressable): Remove.
4187         * tree-flow.h (mark_array_ref_addressable): Remove.
4188         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4189
4190 2005-10-15  James E Wilson  <wilson@specifix.com>
4191
4192         PR target/24232
4193         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4194         (add_dependence_list_and_free): Likewise.
4195         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4196         call.
4197
4198 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4199
4200         PR 23141
4201         PR 23142
4202         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4203         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4204         anti-range.
4205         (vrp_visit_phi_node): Only prevent infinite iterations when
4206         the previous result and the new result are both VR_RANGEs.
4207
4208 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4209
4210         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4211         function comment.
4212
4213 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4214
4215         PR c/23439
4216         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4217         to initialize loc.
4218
4219 2005-10-14  Per Bothner  <per@bothner.com>
4220
4221         PR preprocessor/21250
4222         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4223
4224 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4225
4226         PR c++/22551
4227         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4228         overflow flags.  Refactor some conditionals.
4229
4230 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4231
4232         PR tree-opt/21304
4233         * tree-dfa.c (add_referenced_var): Only look at decls which
4234         have TREE_CONSTANT or TREE_READONLY set instead of if
4235         !TREE_PUBLIC or !TREE_CONSTANT.
4236
4237 2005-10-13  James E Wilson  <wilson@specifix.com>
4238
4239         * doc/invoke.texi: For -x, add f95-cpp-input.
4240         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4241
4242 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4243
4244         PR tree-optimization/24262
4245         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4246         in loop all the time.
4247
4248 2005-10-12  Richard Henderson  <rth@redhat.com>
4249
4250         PR c/24255
4251         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4252         * function.c (assign_parm_find_data_types): Don't support it.
4253         * print-tree.c (print_node): Likewise.
4254         * c-common.c (handle_transparent_union_attribute): Likewise.
4255         Use build_duplicate_type.
4256         * tree-inline.c (remap_type_1): Split out of remap_type;
4257         properly remap aggregate fields.
4258         (build_duplicate_type): New.
4259         * doc/extend.texi (Variable Attributes): Remove documentation
4260         for transparent_union.
4261
4262 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4263
4264         PR target/24284
4265         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4266         (gen_stack_pointer_dec): Likewise.
4267
4268 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4269
4270         PR middle-end/21275
4271         PR middle-end/21766
4272         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4273         target hook.
4274         (struct cxx): Add adjust_class_at_definition target hook.
4275         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4276         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4277         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4278         hook_void_tree. Add to TARGET_CXX.
4279         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4280         dllimport_flag.
4281         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4282         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4283         instead of attribute. Check for dllexport override.  Warn if
4284         inconsistent dll linkage. Don't lose old dllimport if decl has
4285         had address referenced.   Tweak lookup of dllimport atribute.
4286         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4287         for target specific rules.  Don't add dllimport attribute if
4288         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4289         dllimport attribute.
4290         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4291         * varasm.c (initializer_constant_valid_p): Replace
4292         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4293
4294         PR target/21801
4295         PR target/23589
4296         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4297         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4298         (i[34567]86-*-mingw32*): Likewise.
4299
4300         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4301         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4302
4303         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4304         C++-specific code. Change return value to bool.
4305         (i386_pe_dllimport_p): Likewise.
4306         (associated_type): Simplify and make language-independent
4307         (i386_pe_encode_section_info): Replace override of ambiguous
4308         dllimport symbol refs with a gcc_assert.
4309         (i386_pe_valid_dllimport_attribute_p): Define.
4310         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4311         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4312         i386_pe_adjust_class_at_definition.
4313         * config/i386/winnt-stubs.c: New file. Define stub versions of
4314         lang-specific functions.
4315         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4316         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4317         i386_pe_adjust_class_at_definition.
4318         (i386_pe_valid_dllimport_attribute_p): Declare.
4319         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4320         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4321         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4322
4323         PR target/19704
4324         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4325         dllimport attribute with test of DECL_DLLIMPORT_P.
4326
4327 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4328
4329         * combine.c (make_extraction): Correct offset computation.
4330
4331 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4332
4333         * config/cris/t-linux (LIMITS_H_TEST): Define.
4334
4335 2005-10-12  Richard Henderson  <rth@redhat.com>
4336
4337         PR rtl-opt/23324
4338         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4339
4340 2005-10-12  Richard Guenther  <rguenther@suse.de>
4341
4342         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4343
4344 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4345
4346         PR c++/19964
4347         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4348         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4349         type.
4350
4351 2005-10-12  Richard Guenther  <rguenther@suse.de>
4352
4353         PR c++/23799
4354         * varasm.c (output_constant): Correct typo from previous
4355         patch by DJ.
4356
4357 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4358
4359         PR rtl-optimization/13931
4360         * combine.c: Revert patch of 2003-05-14, and:
4361         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4362         completely killed in the appropriate insn.
4363         (distribute_notes): Don't skip multiple hard register test for
4364         elim_i1 and elim_i2.
4365
4366 2005-10-11  Richard Henderson  <rth@redhat.com>
4367
4368         PR c/24255
4369         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4370         to initialize a transparent union instead of a nop_expr.
4371
4372 2005-10-11  Richard Henderson  <rth@redhat.com>
4373
4374         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4375         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4376         (tree_ssa_dce_loop): Call scev_reset.
4377
4378         PR tree-opt/24300
4379         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4380         * tree-ssa-dce.c: Include cfgloop.h.
4381         (tree_ssa_dce_loop, pass_dce_loop): New.
4382         * tree-pass.h (pass_dce_loop): Declare it.
4383         * passes.c (init_optimization_passes): Use it.
4384
4385 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4386
4387         PR middle-end/24263
4388         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4389         Only apply the optimization for rounding builtins if the inner
4390         cast is also an extension.
4391
4392 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4393
4394         PR tree-opt/23946
4395         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4396         mark_new_vars_to_rename instead of update_stmt.
4397
4398 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4399
4400         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4401
4402 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4403
4404         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4405         for setting MMX register to 0 rather than mmx.
4406
4407 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4408
4409         PR target/12098
4410         * configure.ac: Move gas check from mips specific case to common case.
4411         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4412         * configure: Regenerate
4413         * doc/install.texi: Update.
4414
4415 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4416
4417         PR target/24284
4418         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4419
4420 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4421
4422         * gcc.c (do_spec_1): Accept numeric characters in file name
4423         suffixes.
4424
4425 2005-10-10  Nick Clifton  <nickc@redhat.com>
4426
4427         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4428         describing the deleted arm_gen_rotated_half_load function.
4429
4430 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4431
4432         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4433         __fpscr_values.
4434
4435 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4436
4437         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4438         gnu_ld assignments.
4439         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4440         (EXTRA_MULTILIB_PARTS): Define.
4441         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4442         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4443         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4444         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4445         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4446         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4447
4448 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4449
4450         PR tree-optimization/24226
4451         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4452         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4453         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4454         Export.
4455
4456 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4457
4458         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4459
4460 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4461
4462         PR target/24136
4463         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4464         Rewrite for no need for the early clobber.
4465
4466 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4467
4468         Merge from csl-arm-branch:
4469         2005-09-07  Paul Brook  <paul@codesourcery.com>
4470         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4471         space to string.
4472
4473         2005-04-30  Paul Brook  <paul@codesourcery.com>
4474         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4475         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4476
4477         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4478         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4479         (arm_override_options): Use TARGET_AAPCS_BASED.
4480         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4481         (PTRDIFF_TYPE): Use int for AAPCS.
4482         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4483         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4484         (DEFAULT_SHORT_ENUMS): Delete.
4485         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4486
4487         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4488         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4489         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4490         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4491
4492         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4493         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4494
4495         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4496         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4497
4498         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4499         * config.gcc (arm*-*-linux-gnueabi): Add it.
4500         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4501         redefining it.
4502         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4503         * config/arm/linux-eabi.h: New file.
4504         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4505         (LINUX_TARET_LINK_SPEC): Likewise.
4506         (LINK_SPEC): Use it.
4507         * config/arm/t-linux-eabi: New file.
4508
4509 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4510
4511         PR other/22202
4512         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4513         spaces.
4514         (PARAM_SMS_DFA_HISTORY): Likewise.
4515
4516 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4517
4518         PR middle-end/23150
4519         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4520         (load_register_parameters): Call it.
4521         (check_sibcall_argument_overlap_1): Likewise.
4522         (store_one_arg): Likewise.
4523
4524 2005-10-07  James E. Wilson  <wilson@specifix.com>
4525
4526         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4527         DImode not VECINT24 for operand 2.
4528
4529         PR target/23644
4530         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4531         -mtune-arch.
4532
4533         PR target/24193
4534         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4535         fr_spill): Use destination_operand for operand 0.
4536
4537 2005-10-07  DJ Delorie  <dj@redhat.com>
4538
4539         * varasm.c (output_constant): Limit error to expanding
4540         conversions.
4541
4542 2005-10-07  Richard Guenther  <rguenther@suse.de>
4543
4544         PR middle-end/24227
4545         * fold-const.c (fold_binary): Fix operand types during folding
4546         of X op (A, Y).  Evaluation order of the side-effects of
4547         X and A are frontend-defined, so ensure we honour that even for
4548         tcc_comparison class operands; eased by removing duplicate code.
4549
4550 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4551
4552         * stor-layout.c (layout_type): Do not allow alignment of array
4553         elements to be greater than their size.
4554
4555 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4556
4557         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4558         host_xmake_file.
4559         (hppa*-*-linux*): Ditto.
4560         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4561         * config/host-hpux.c: New.
4562         * config/x-hpux: New.
4563         * config/pa/x-hpux: Remove.
4564         * config/pa/x-linux: Remove.
4565         * config/pa/pa-host.c: Remove.
4566
4567 2005-10-07  Jeff Law  <law@redhat.com>
4568
4569         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4570         determine whether or not to try and thread outgoing edges.
4571
4572 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4573
4574         * config/rs6000/rs6000.md (eqsi_power): New.
4575         (neg_eq0si): Add TARGET_POWER to final condition.
4576         (neg_eqsi): Same.
4577
4578 2005-10-06  Richard Henderson  <rth@redhat.com>
4579
4580         * config/rs6000/rs6000.c: Revert last change.
4581
4582 2005-10-06  Richard Henderson  <rth@redhat.com>
4583
4584         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4585         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4586
4587 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4588
4589         PR middle-end/22216
4590         PR middle-end/23651
4591         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4592         out return_label and naked_return_label.
4593
4594 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4595
4596         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4597         change.
4598
4599 2005-10-06  Richard Henderson  <rth@redhat.com>
4600
4601         PR tree-opt/22237
4602         * tree-inline.c (declare_return_variable): Handle modify_dest not
4603         being a DECL.
4604
4605 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4606
4607         Fix PR tree-optimization/22488
4608         * tree-ssa-structalias.c (check_for_overlaps): New function.
4609         (create_variable_info_for): Use it.
4610
4611 2005-10-06  Richard Henderson  <rth@redhat.com>
4612
4613         PR debug/24070
4614         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4615         (dwarf2out_start_source_file): Print it.
4616
4617 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4618
4619         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4620
4621 2005-10-06  Richard Henderson  <rth@redhat.com>
4622
4623         PR 23706
4624         * mode-switching.c (optimize_mode_switching): Clear transp bit
4625         for block with incomming abnormal edges.
4626
4627         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4628         (fpscr_set_from_mem): Use them.
4629         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4630         (fpscr postinc splitters): Rewrite as peephole2+split.
4631
4632 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4633
4634         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4635         (eq<mode>_compare): Same.
4636
4637 2005-10-06  Richard Guenther  <rguenther@suse.de>
4638
4639         PR tree-optimization/24238
4640         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4641
4642 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4643
4644         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4645         here.  Use AC_PATH_PROG for environment variables instead of
4646         test -x.
4647         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4648         objdump also.
4649         * configure: Regenerated.
4650
4651 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4652
4653         PR target/23783
4654         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4655         then force it into a register.
4656         (call_value): Likewise.
4657
4658 2005-10-06  Richard Henderson  <rth@redhat.com>
4659
4660         PR 24049
4661         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4662         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4663         under pass_vectorize.
4664
4665 2005-10-05  Devang Patel  <dpatel@apple.com>
4666
4667         PR Debug/23205
4668         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4669         handling constants. Check NAMESPACE_DECL context for constants.
4670
4671 2005-10-05  Eric Christopher  <echristo@apple.com>
4672
4673         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4674
4675 2005-10-05  Richard Henderson  <rth@redhat.com>
4676
4677         PR 23714
4678         * tree-cfg.c (mark_array_ref_addressable_1): New.
4679         (mark_array_ref_addressable): New.
4680         * tree-flow.h (mark_array_ref_addressable): Declare.
4681         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4682
4683 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4684
4685         PR middle-end/20606
4686         PR middle-end/24069
4687         * reload.c (subst_reloads): When adding a REG_LABEL to a
4688         jump instruction, also update JUMP_LABEL.
4689
4690 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4691
4692         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4693         * bb-reorder.c (copy_bb_p): Use it.
4694         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4695
4696 2005-10-05  Richard Henderson  <rth@redhat.com>
4697
4698         PR target/23602
4699         * toplev.c (process_options): Warn about unsupported combinations
4700         of unwind tables and omit-frame-pointer.
4701         * config/i386/i386.c (override_options): Similarly.  Enable
4702         accumulate-outgoing-args if not explicitly disabled.
4703
4704 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4705
4706         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4707         Handle big endian vs. small endian.
4708         (vec_initv2sf): Handle big endian vs. small endian.
4709         (*vec_extractv2sf_1): Ditto.
4710
4711 2005-10-05  Dale Johannesen  <dalej@apple.com>
4712
4713         * convert.c (convert_to_real):  Don't convert
4714         (float)floor(double d) to floorf((float)d).
4715
4716 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4717
4718         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4719
4720 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4721
4722         PR tree-optimization/18587
4723         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4724         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4725         build_vuses): Change to VEC type.
4726         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4727         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4728         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4729         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4730         (get_name_decl): New.  Return DECL_UID of base variable.
4731         (operand_build_cmp): New.  qsort comparison routine.
4732         (operand_build_sort_virtual): New.  Sort virtual build vector.
4733         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4734         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4735         (FINALIZE_BASE): Use get_name_decl.
4736         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4737         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4738         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4739         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4740         direct VEC_* manipulations.
4741         (build_ssa_operands): Call operand_build_sort_virtual.
4742         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4743         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4744         with direct VEC_* manipulations.
4745         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4746         with direct VEC manipulations.
4747
4748 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4749
4750         PR tree-optimization/21419
4751         PR tree-optimization/24146
4752         PR tree-optimization/24151
4753
4754         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4755         (build_asm_expr): Call it if outputs are read-only.
4756         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4757
4758 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4759             Paolo Bonzini  <bonzini@gnu.org>
4760
4761         PR target/23809
4762
4763         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4764         enable the instructions and not just the built-ins.
4765         * doc/invoke.texi (x86 Options): Likewise.
4766
4767 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4768
4769         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4770
4771         * doc/invoke.texi (Option Summary): Correct spelling
4772         of -mmacosx-version-min.
4773
4774 2005-10-04  Devang Patel  <dpatel@apple.com>
4775
4776         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4777         real types.
4778
4779 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4780
4781         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4782         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4783
4784 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4785
4786         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4787         ("TE","tg"): New mode attributes.
4788         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4789         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4790         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4791         dword_mode and one for GPRmode.
4792
4793 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4794
4795         PR preprocessor/13726
4796         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4797         any comments passed in.
4798
4799 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4800
4801         * tree.c (annotate_with_file_line): Fix typo.
4802
4803 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4804
4805         PR ada/19382
4806         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4807         type used to access data in the inlined length == 1 case, use
4808         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4809         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4810
4811 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4812
4813         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4814         TARGET_SSE3 and only for TARGET_80387.
4815         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4816         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4817         Do not depend on TARGET_80387.
4818
4819 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4820
4821         * tree.c (last_annotated_node): Change type to location_t*.
4822         (annotate_with_file_line): Reflect the change of
4823         last_annotated_node type.
4824
4825 2005-10-04  Richard Guenther  <rguenther@suse.de>
4826
4827         PR c/23576
4828         * c-decl.c (grokdeclarator): Don't write to fields
4829         of error_mark_node.
4830
4831 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4832
4833         PR middle-end/23125
4834         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4835         register variables.
4836         * varasm.c (make_decl_rtl): If a register variable does not
4837         have a set user assmbler name, error out.
4838         Decode the asmspec is now name+1 bypassing '*'.
4839
4840 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4841
4842         PR tree-optimization/23049
4843         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4844         of a COND_EXPR is folded before calling fold on the whole rhs of a
4845         conditional assignment.
4846         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4847         document that a COND_EXPR may appear there.
4848
4849 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4850
4851         PR 23445
4852         * tree-vrp.c (extract_range_from_assert): If the new numeric
4853         range created out of the assertion contradicts the existing
4854         numeric range of the ASSERT_EXPR variable, make the new range
4855         varying.
4856
4857 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4858
4859         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4860         from T_REGS to FP register class.
4861
4862 2005-10-03  Richard Henderson  <rth@redhat.com>
4863
4864         PR 24135
4865         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4866         before creating a new one.
4867
4868 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4869
4870         * config/rs6000/t-aix43 (LDFLAGS): New.
4871         * config/rs6000/t-aix52 (LDFLAGS): New.
4872
4873 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4874
4875         * gimplify.c (find_single_pointer_decl_1): New static function.
4876         (find_single_pointer_decl): New static function.
4877         (internal_get_tmp_var): For a formal variable, set restrict base
4878         information if appropriate.
4879         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4880         return it.
4881         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4882         (DECL_GET_RESTRICT_BASE): Define.
4883         (SET_DECL_RESTRICT_BASE): Define.
4884         (decl_restrict_base_lookup): Declare.
4885         (decl_restrict_base_insert): Declare.
4886         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4887         * tree.c (restrict_base_for_decl): New static variable.
4888         (init_ttree): Initialize restrict_base_for_decl.
4889         (copy_node_stat): Copy restrict base information.
4890         (decl_restrict_base_lookup): New function.
4891         (decl_restrict_base_insert): New function.
4892         (print_restrict_base_statistics): New static function.
4893         (dump_tree_statistics): Call print_restrict_base_statistics.
4894
4895 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4896
4897         PR 24142
4898         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4899         case of anti-ranges.
4900
4901 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4902
4903         PR c/18851
4904         * c-typeck.c (tagged_tu_seen): Rename to ...
4905         (tagged_tu_seen_cache): this and add val field.
4906         (comptypes): Move functional to comptypes_internal
4907         and free tagged_tu_seen.
4908         (comptypes_internal): New function and call comptypes_internal
4909         instead of comptypes. Speed up by sibcalling
4910         tagged_types_tu_compatible_p.
4911         (alloc_tagged_tu_seen): New function
4912         (free_all_tagged_tu_seen_up_to): New function.
4913         (tagged_types_tu_compatible_p): Return the val of the seen two
4914         types.
4915         Add that the two types are the same to tagged_tu_seen_base
4916         if they are and call comptypes_internal instead of comptypes.
4917         <case UNION_TYPE>: Speed up common type where the fields are
4918         in the same order.
4919         (function_types_compatible_p): Call comptypes_internal instead of
4920         comptypes.
4921         (type_lists_compatible_p): Likewise.
4922         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4923
4924 2005-10-02  Matthias Klose  <doko@debian.org>
4925
4926         * doc/invoke.texi: Fix typo and speling error.
4927
4928 2005-10-01  Richard Henderson  <rth@redhat.com>
4929
4930         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4931
4932 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4933
4934         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4935         using --start-group and --end-group.
4936
4937 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4938
4939         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4940         FIXME note regarding quirky semantics.
4941
4942 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4943
4944         PR 24141
4945         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4946         non-null range as a last resort.
4947
4948 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4949             Diego Novillo  <dnovillo@redhat.com>
4950
4951         PR 23604
4952         * tree-vrp.c (extract_range_from_assert): For !=
4953         assertions, only build an anti-range if LIMIT is a
4954         single-valued range.
4955
4956 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4957
4958         * arm.md (movqi): On thumb when optimizing, handle loading from
4959         memory by describing this as taking a subreg of a zero-extended load
4960         into an SImode register.
4961         (movhi): Likewise.
4962
4963 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4964
4965         * reload1.c (merge_assigned_reloads): Do not change any
4966         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4967
4968 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4969
4970         * Makefile.in (LIPO_FOR_TARGET): Define.
4971         (STRIP_FOR_TARGET): Define.
4972
4973         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4974         before creating new ones.  Do symlinks before creating the actual
4975         targets.
4976
4977         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4978         to work out which multilibs are actually being built.
4979
4980 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4981
4982         * tree-vect-transform.c, config/ms1/ms1.md,
4983         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4984         Follow spelling conventions.
4985         * doc/invoke.texi, doc/md.texi: Fix typos.
4986
4987 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4988
4989         PR tree-optimization/21430
4990         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4991         use operands, and set stmt pointer if need be.
4992         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4993         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4994         present.
4995
4996 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4997
4998         PR middle-end/24053
4999         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5000
5001 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5002
5003         * optabs.c (expand_binop): Initialize first_pass_p.
5004
5005 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5006
5007         PR middle-end/24109
5008         * c-decl.c (c_write_global_declarations_1): If any
5009         wrapup_global_declaration_2 call returned true, restart the loop.
5010
5011 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5012
5013         Fix PR tree-optimization/24117
5014         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5015         before considering whether to use anyoffset.
5016
5017 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5018
5019         Revert this patch:
5020
5021         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5022
5023         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5024         to order operands.
5025         (swap_commutative_operands_with_target): New.
5026
5027 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5028
5029         PR c/21419
5030         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5031         read-only.
5032
5033 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5034
5035         PR tree-optimization/23911
5036         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5037         and IMAGPART_EXPR too.
5038
5039 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5040
5041         PR 17886
5042         * expmed.c (expand_shift): Move logic to reverse rotation
5043         direction when  rotating by constants ...
5044         * optabs.c (expand_binop): ... here.
5045         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5046         (ix86_rotrdi3): New pattern.
5047         (rotldi3): Handle 32-bit mode.
5048         (ix86_rotldi3): New pattern.
5049
5050 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5051
5052         PR target/24102
5053         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5054         check for numbers that need no bit twiddle.
5055
5056 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5057
5058         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5059         multilib to be built.
5060
5061         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5062         (stage1-start): Delete old libgcc and libunwind before moving
5063         anything into the stage directory.
5064         (stage2-start): Likewise.
5065         (stage3-start): Likewise.
5066         (stage4-start): Likewise.
5067         (stageprofile-start): Likewise.
5068         (stagefeedback-start): Likewise.
5069         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5070         header in tm_file and CPU-specific t-darwin in tmake_file.
5071         (i[34567]86-*-darwin*): Don't change tm_file.
5072         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5073         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5074         shared library stub for target OS version.
5075         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5076         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5077         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5078         (libgcc_s.%.dylib): New.
5079         (LIBGCC): Define.
5080         (install-darwin-libgcc-stubs): New.
5081         (INSTALL_LIBGCC): New append.
5082         * config/i386/darwin-libgcc.10.4.ver: New.
5083         * config/i386/darwin-libgcc.10.5.ver: New.
5084         * config/i386/t-darwin: New.
5085         * config/rs6000/darwin-libgcc.10.4.ver: New.
5086         * config/rs6000/darwin-libgcc.10.5.ver: New.
5087         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5088         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5089
5090 2005-09-28  Paul Brook  <paul@codesourcery.com>
5091
5092         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5093         denormals.
5094
5095 2005-09-28  Richard Guenther  <rguenther@suse.de>
5096
5097         PR tree-optimization/23853
5098         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5099         host_integerp to verify misalignment value.
5100
5101 2005-09-28  Richard Henderson  <rth@redhat.com>
5102
5103         * builtins.c (get_builtin_sync_mode): New.
5104         (expand_builtin_sync_operation): Pass in mode argument.
5105         (expand_builtin_compare_and_swap): Likewise.
5106         (expand_builtin_lock_test_and_set): Likewise.
5107         (expand_builtin_lock_release): Likewise.
5108         (expand_builtin): Update to match.
5109
5110 2005-09-28  Nick Clifton  <nickc@redhat.com>
5111
5112         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5113         formatting.  Add check to PLUS case to ensure that the offset is
5114         within an acceptable range.
5115
5116         * config/v850/v850.md (casesi): Disable the generation of the
5117         switch pattern as it is not being handled properly at the moment.
5118
5119         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5120         for when the high words are identical.
5121
5122 2005-09-27  Richard Henderson  <rth@redhat.com>
5123
5124         * pretty-print.c (pp_base_format): Fix typo for %>.
5125
5126 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5127             Devang Patel  <dpatel@apple.com>
5128
5129         PR tree-optimization/23625
5130         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5131         LABEL_EXPR, assertion check.
5132
5133 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5134
5135         * optabs.c (no_conflict_move_test): Check if a result of a
5136         to-be-moved insn would be clobbered by an originally
5137         preceding insn.
5138
5139 2005-09-27  Jeff Law  <law@redhat.com>
5140
5141         * passes.c (init_optimization_passes): Replace copy propagation
5142         passes immediately after DOM with phi-only copy propagation
5143         pases.  Add phi-only copy propagation pass after first DOM pass.
5144         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5145         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5146         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5147         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5148         to init_copy_prop.  Callers updated.
5149         (do_phi_only_copy_prop): New function.
5150         (pass_phi_only_copy_prop): New pass descriptor.
5151
5152 2005-09-27  Nick Clifton  <nickc@redhat.com>
5153
5154         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5155
5156 2005-09-26  Jason Merrill  <jason@redhat.com>
5157
5158         PR c++/13764
5159         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5160
5161         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5162
5163 2005-09-26  James E Wilson  <wilson@specifix.com>
5164
5165         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5166         copyright.  Add gcc copyright plus libgcc exception.
5167         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5168         copyright.
5169         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5170
5171 2005-09-26  Jeff Law  <law@redhat.com>
5172
5173         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5174         about when to iterate.
5175
5176 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5177
5178         PR target/23847
5179         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5180         for __complex__ double in -mcpu=G5 mode.
5181
5182 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5183
5184         PR tree-optimization/23942
5185         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5186         * tree-scalar-evolution.c: Include params.h.
5187         (t_bool): New enum.
5188         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5189         follow_ssa_edge_in_condition_phi_branch,
5190         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5191         Change return type to t_bool.  Use a parameter to limit the size of
5192         trees that are walked before stopping
5193         (analyze_evolution_in_loop): Initialize the limit to 0.
5194         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5195         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5196
5197 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5198
5199         PR middle-end/23831
5200         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5201         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5202
5203 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5204
5205         * combine.c (make_extraction): Check for valid use of subreg.
5206
5207 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5208
5209         PR target/24055
5210         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5211         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5212         ("fist<mode>2_with_temp"): Use only register operands.
5213
5214 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5215
5216         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5217         CALL_INSN_FUNCTION_USAGE.
5218
5219 2005-09-26  Richard Guenther  <rguenther@suse.de>
5220
5221         PR middle-end/15855
5222         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5223         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5224         (ldst_entry): Use the hashtable instead of list-walking.
5225         (find_rtx_in_ldst): Likewise.
5226         (free_ldst_entry): Free the hashtable.
5227         (compute_ld_motion_mems): Create the hashtable.
5228         (trim_ld_motion_mems): Remove entry from hashtable if
5229         removing it from list.
5230         (compute_store_table): Likewise^2.
5231         (store_motion): Free hashtable in case we did not see
5232         any stores.
5233
5234 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5235
5236         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5237         and arg1 if we are passing them to fold_build2.
5238
5239 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5240
5241         PR 23828
5242         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5243         a nested function.
5244
5245 2005-09-25  Richard Henderson  <rth@redhat.com>
5246
5247         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5248         SYMBOL_REF_TLS_MODEL to be correct.
5249
5250 2005-09-24  Richard Henderson  <rth@redhat.com>
5251
5252         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5253         end of function.  Reindent.
5254
5255 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5256
5257         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5258         NEGATE_EXPR/BIT_NOT_EXPR case.
5259
5260 2005-09-24  Richard Henderson  <rth@redhat.com>
5261
5262         * c-common.c (handle_mode_attribute): When not modifying in place,
5263         create subtypes for enumerations.
5264         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5265         * gimplify.c (create_tmp_from_val): Likewise.
5266
5267 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5268
5269         * config/i386/i386.md (*tls_global_dynamic_64,
5270         *tls_local_dynamic_base_64): Add missing mode to call.
5271         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5272
5273 2005-09-24  Jan Hubicka  <jh@suse.cz>
5274
5275         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5276         (cgraph_clone_node): Likewise.
5277         * cgraph.h (cgraph_clone_edge): Update prototype.
5278         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5279         duplicated prototypes; add updating argument.
5280         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5281         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5282         updating profile.
5283         (cgraph_mark_inline_edge): Likewise.
5284         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5285         (cgraph_flatten_node): Likewise.
5286         (cgraph_decide_recursive_inlining): Likewise.
5287         (cgraph_decide_inlining_of_small_function): Likewise.
5288         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5289
5290 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5291             Pete Steinmetz <steinmtz@us.ibm.com>
5292
5293         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5294         (rldic.): Set type to "compare".
5295         (rldicr.): Same.
5296         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5297         mfjmpr for MFCTR/MFLR.
5298         (movdf_hardfloat64): Same.
5299         (movdf_softfloat64): Same.  Correct order of store and move types.
5300         (movti_string): Set type to store_ux/load_ux.
5301         (load_multiple): Set type to load_ux.
5302         (store_multiple): Set type to store_ux.
5303         (movmemsi): Set type to store_ux.
5304         (output_cbranch direct_return): Set type to jmpreg.
5305         (stmw): Set type to store_ux.
5306         (lmw): Set type to load_ux.
5307         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5308         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5309         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5310         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5311         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5312         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5313         (rios1-fpstore): Increase latency to 3.
5314         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5315         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5316
5317 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5318             Andrew Pinski  <pinskia@physics.uc.edu>
5319
5320         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5321         operand2 constraint to "b".
5322         (sync_<fetchop_name>di_internal): Same.
5323         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5324         to "b".
5325         (sync_old_<fetchop_name>di_internal): Same.
5326         (sync_new_<fetchop_name>si_internal): Same.
5327         (sync_new_<fetchop_name>di_internal): Same.
5328
5329 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5330
5331         PR middle-end/23991
5332         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5333         case, define as macros.
5334
5335         PR rtl-optimization/23837
5336         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5337         clobber / clobber match between dest and p->first.
5338
5339         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5340         (no_conflict_move_test): Update comments.
5341
5342 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5343
5344         * doc/install.texi: Update URL for Jacks.
5345         * doc/sourcebuild.texi: Likewise.
5346
5347 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5348
5349         PR target/24007
5350         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5351         registers when choosing register preferences.
5352         (movdf_hardfloat64): Same.
5353
5354 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5355
5356         * expmed.c (expand_shift): Don't use the target of the rotate as
5357         target for the first expanded shift insn.
5358         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5359
5360 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5361
5362         PR tree-optimization/22438
5363         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5364         preserved iv rhs rewriting specially.
5365
5366 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5367
5368         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5369         estimate_only  is true.
5370         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5371         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5372         tree-ssa-structalias.c
5373         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5374         ref_contains_indirect_ref.
5375         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5376
5377 2005-09-21  DJ Delorie  <dj@redhat.com>
5378
5379         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5380         MASK_PTR_A0D0.
5381         (mn10300_return_in_memory): Support variable size types also.
5382         (mn10300_pass_by_reference): Likewise.
5383         (mn10300_function_value): New.
5384         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5385         (FUNCTION_OUTGOING_VALUE): Likewise.
5386         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5387         * doc/invoke.texi: Document it.
5388
5389 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5390
5391         PR target/22585
5392         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5393         force integer op1 into register for XFmode compares.
5394
5395 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5396
5397         PR middle-end/23971
5398         * expmed.c (alg_code): Add alg_impossible.
5399         (alg_hash_entry): Add cost.
5400         (synth_mult): Record alg_impossible in the hash table if
5401         multiplication by a given integer is impossble within the
5402         limit.  Speed up using alg_impossible.
5403
5404 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5405
5406         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5407         argument.  Allow and set any offset if needs_anyoffset is passed
5408         in.
5409         (get_constraint_for): Add argument here too.
5410         Pass it down.
5411         (do_structure_copy): Pass NULL to get_constraint_for.
5412         (handle_ptr_arith): Ditto.
5413         (find_func_aliases): Ditto.
5414
5415 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5416
5417         PR rtl-optimization/23898
5418         * output.h (get_attr_min_length): Declare.
5419         * final.c (get_attr_length_1): New function, broken out of:
5420         (get_attr_length).
5421         (get_attr_min_length): New function.
5422         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5423         (duplicate_computed_gotos): Likewise.
5424         * genattr.c (insn_min_length): Generate declaration.
5425         * genattrtab.c (min_fn, min_attr_value): New functions.
5426         (make_length_attrs): Generate insn_min_length.
5427
5428 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5429
5430         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5431
5432 2005-09-20  Richard Henderson  <rth@redhat.com>
5433
5434         PR tree-optimization/24059
5435         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5436         EXPAND_STACK_PARM.
5437
5438 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5439
5440         * c.opt (fextended-identifiers): New.
5441         * c-opts.c (c_common_handle_option): Handle
5442         -fextended-identifiers.
5443         * doc/cpp.texi: Update documentation of extended identifiers.
5444         * doc/cppopts.texi (-fextended-identifiers): Document.
5445
5446 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5447
5448         PR tree-optimization/23929
5449         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5450         if expr is NULL.
5451
5452         PR tree-optimization/23818
5453         * tree-stdarg.c (execute_optimize_stdarg): Call
5454         calculate_dominance_info.
5455
5456 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5457
5458         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5459         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5460         (compute_overlap_steps_for_affine_1_2): Use
5461         get_number_of_iters_for_loop.
5462         (analyze_subscript_affine_affine): Check whether difference is
5463         zero first.
5464         Use get_number_of_iters_for_loop.
5465         Check whether overlap occurs outside of bounds.
5466         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5467
5468 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5469
5470         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5471         base register if possible.
5472
5473 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5474
5475         PR tree-optimization/18463
5476         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5477         converting it directly is not possible.
5478         (chrec_convert_aggressive): New function.
5479         * tree-chrec.h (chrec_convert_aggressive): Declare.
5480         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5481         Fold chrec conversions aggressively if asked to.
5482         (instantiate_parameters): Modified because of changes in
5483         instantiate_parameters_1.
5484
5485 2005-09-19  Richard Henderson  <rth@redhat.com>
5486
5487         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5488         (reduc_splus_v2df): New.
5489
5490 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5491
5492         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5493         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5494
5495 2005-09-19  Richard Henderson  <rth@redhat.com>
5496
5497         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5498         vcondu<SSEMODE12>.
5499
5500 2005-09-19  Richard Henderson  <rth@redhat.com>
5501
5502         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5503         (ia64_expand_dot_prod_v8qi): New.
5504         * config/ia64/ia64-protos.h: Update.
5505         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5506         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5507         sdot_prodv8qi, sdot_prodv4hi): New.
5508         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5509
5510 2005-09-19  Richard Henderson  <rth@redhat.com>
5511
5512         PR 23941
5513         * real.c (exact_real_truncate): Return false if the format cannot
5514         represent the number as a normal.
5515
5516         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5517         for a memory source.
5518
5519 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5520
5521         * tree-ssa-operands.c (swap_tree_operands): Export.
5522         * tree.h (swap_tree_operands): Declare.
5523         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5524         Call swap_tree_operands.
5525
5526 2005-09-19  Richard Henderson  <rth@redhat.com>
5527
5528         * tree-flow.h (merge_alias_info): Declare.
5529         * tree-ssa-copy.c (merge_alias_info): Export.
5530         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5531         (vect_create_data_ref_ptr): Use create_iv directly.
5532         (vectorizable_load): Use correct types for integer constants.
5533         (vect_generate_tmps_on_preheader): Likewise.
5534         (vect_gen_niters_for_prolog_loop): Likewise.
5535
5536 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5537
5538         PR rtl-optimization/23943
5539         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5540
5541 2005-09-18  Jan Hubicka  <jh@suse.cz>
5542
5543         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5544
5545 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5546
5547         * varasm.c (output_constant): Do not abort on conversions to union
5548         types between different sizes.
5549
5550 2005-09-18  Richard Guenther  <rguenther@suse.de>
5551
5552         PR middle-end/23944
5553         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5554         fallback.
5555
5556 2005-09-18  Paul Brook  <paul@codesourcery.com>
5557
5558         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5559
5560 2005-09-17  Richard Henderson  <rth@redhat.com>
5561
5562         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5563         * tree-ssa-loop.c (pass_vect_dce): Remove.
5564         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5565         of pass_vectorize.
5566
5567 2005-09-17  Richard Henderson  <rth@redhat.com>
5568
5569         * tree-pass.h (pass_vect_dce): Declare.
5570         * passes.c (init_optimization_passes): Add it.
5571         * tree-flow.h (tree_ssa_dce): Declare.
5572         * tree-ssa-dce.c (tree_ssa_dce): Export.
5573         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5574         (gate_tree_vectorize): ... here.
5575         (pass_vect_dce): New.
5576
5577 2005-09-17  Jan Hubicka  <jh@suse.cz>
5578
5579         * except.c (struct eh_status): Turn region_array into vec.
5580         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5581         convert_from_eh_region_ranges, find_exception_handler_labels,
5582         current_function_has_exception_handlers, assign_filter_values,
5583         build_post_landing_pads, dw2_build_landing_pads,
5584         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5585         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5586         foreach_reachable_handler, can_throw_internal_1,
5587         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5588         region_array.
5589         (duplicate_eh_region_1): Update region_array.
5590         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5591
5592 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5593
5594         PR middle-end/22067
5595         * expmed.c (expand_mult): Substitute simple register for op0 when
5596         computing max_cost.
5597
5598 2005-09-17  Richard Henderson  <rth@redhat.com>
5599
5600         * expr.c (emit_move_via_integer): Add force argument, pass it on
5601         to emit_move_change_mode.  Update callers.
5602         (emit_move_complex): Pass true to new force argument.
5603         * function.c (expand_function_end): Move expand_eh_return call
5604         earlier.  Merge sub-word complex values into a pseudo before
5605         copying to the return hard register.
5606
5607 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5608
5609         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5610         between different sizes.
5611
5612 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5613
5614         PR 23903
5615
5616         * passes.c (init_optimization_passes): Register dump files for
5617         IPA passes first.
5618
5619 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5620
5621         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5622         * config/s390/s390.c (s390_overlap_p): New function.
5623         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5624         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5625         condition.
5626
5627 2005-09-16  Richard Guenther  <rguenther@suse.de>
5628
5629         * ipa-pure-const.c (static_execute): Free auxiliar information.
5630         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5631         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5632
5633 2005-09-15  DJ Delorie  <dj@redhat.com>
5634
5635         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5636
5637 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5638
5639         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5640         to order operands.
5641         (swap_commutative_operands_with_target): New.
5642
5643 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5644
5645         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5646         parameter.
5647         Update callers.
5648         (estimate_iters_using_array): New function.
5649         * tree-data-ref.h (estimate_iters_using_array): Prototype
5650         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5651         Use estimate_iters_using_array instead of analyze_array.
5652
5653 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5654
5655         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5656         as addressable.
5657
5658 2005-09-15  Michael Matz  <matz@suse.de>
5659
5660         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5661
5662 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5663
5664         PR tree-optimization/23835
5665         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5666         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5667
5668 2005-09-14  Richard Henderson  <rth@redhat.com>
5669
5670         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5671         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5672
5673 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5674
5675         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5676         in the ARRAY_TYPE case.
5677
5678 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5679
5680         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5681
5682 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5683
5684         PR middle-end/22480
5685         * tree-vect-transform.c (vectorizable_operation): Return false for
5686         scalar shift operations and for vector shift operations with
5687         non-invariant shift arguments.  Use scalar tree operand op1 as
5688         a shift operand when vector shift insn pattern uses scalar shift
5689         operand.
5690         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5691
5692 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5693
5694         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5695         value if it has side-effects.
5696
5697 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5698
5699         PR target/22068
5700         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5701
5702 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5703
5704         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5705         passed as NAME as if it were label at start of function code.
5706
5707 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5708
5709         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5710         the constraints.
5711
5712 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5713
5714         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5715         as early clobber.  Rewrite so the PIC register is not implicitly used.
5716
5717 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5718
5719         * tree.c (annotate_with_file_line): Compare line numbers before
5720         file names.
5721
5722 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5723
5724         PR target/23816
5725         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5726         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5727
5728 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5729
5730         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5731         than a HOST_WIDEST_INT to gen_doloop_begin.
5732
5733 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5734
5735         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5736
5737 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5738
5739         PR tree-optimize/23817
5740         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5741
5742 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5743
5744         PR target/23774
5745         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5746         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5747         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5748         (restore_stack_nonlocal): Likewise.
5749         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5750
5751 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5752
5753         PR g++/7874
5754         * c.opt (ffriend-injection): New C++ option.
5755         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5756         (C++ Dialect Options): Document -ffriend-injection.
5757
5758 2005-09-12  Josh Conner  <jconner@apple.com>
5759
5760         PR middle-end/23237
5761         * ipa-reference.c (static_execute): Don't mark variables in
5762         named sections TREE_READONLY.
5763
5764 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5765
5766         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5767         stack_tie.
5768
5769 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5770
5771         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5772         V_MUST_DEF instead of just the first_use_p.
5773         Don't mark the virtual variables for renaming on the statement which
5774         is being removed.
5775         (pass_dse): Remove TODO_update_ssa.
5776
5777 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5778
5779         PR middle-end/23290
5780         * stor-layout.c (compute_record_mode): For records with a single
5781         field, actually check the field's mode size against the type size.
5782
5783         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5784         registers for TARGET_SHMEDIA.
5785         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5786         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5787         of GENERAL_REGS and FP_REGS.
5788
5789 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5790
5791         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5792
5793 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5794
5795         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5796         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5797         are omitted.  Exclude stack_tie insn too.
5798
5799 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5800
5801         PR rtl-optimization/23098
5802         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5803         0.0f is easy.
5804         * config/rs6000/rs6000.md (movdf splitter): Use
5805         const_double_operand predicate for TARGET_POWERPC64.
5806         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5807         SYMBOL_REF method to ABI_V4.
5808
5809         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5810         replace_equiv_address.
5811         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5812         rs6000_sr_alias_set and MEM_NOTRAP.
5813         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5814
5815 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5816
5817         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5818         handle CALL_EXPR again.
5819
5820 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5821
5822         * arm/predicates.md (alignable_memory_operand): Delete.
5823
5824 2005-09-10  Richard Henderson  <rth@redhat.com>
5825
5826         PR debug/23806
5827         * dbxout.c (dbxout_expand_expr): New.
5828         (dbxout_symbol): Use it.
5829
5830 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5831
5832         * arm.c (arm_gen_rotated_half_load): Delete.
5833         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5834         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5835         (thumb_set_return_address): Likewise.
5836         (thumb_load_double_from_address): Use adjust_address.
5837         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5838         (extendhsisi2_mem, movhi_bytes): Use change_address.
5839         (movhi): Use widen_memory_access.
5840         (reload_out_df): Use replace_equiv_address.
5841         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5842
5843 2005-09-09  Richard Henderson  <rth@redhat.com>
5844
5845         PR debug/20998
5846         * dbxout.c: Include expr.h.
5847         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5848         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5849         * Makefile.in (dbxout.o): Add EXPR_H.
5850
5851 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5852
5853         PR tree-optimization/23509
5854         * tree-cfg.c (replace_uses_by): Use replace_exp.
5855         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5856         pointers have name_mem_tag or type_mem_tag set.
5857
5858 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5859
5860         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5861         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5862         of wrongly accessing operands.
5863
5864 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5865
5866         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5867         * tree-chrec.c: Include tree-scalar-evolution.h.
5868         (chrec_convert): Instantiate the base and step before calling
5869         scev_probably_wraps_p that would fail on parametric evolutions.
5870         Collect all the fails into a single section failed_to_convert,
5871         print a diagnostic, and return chrec_dont_know instead of calling
5872         fold_convert.
5873         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5874         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5875         phi nodes.
5876         (scev_const_prop): Don't replace the definition of a loop closed ssa
5877         phi node by itself, or by another loop closed ssa phi node.
5878         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5879         that base and step are defined.
5880
5881 2005-09-09  Richard Guenther  <rguenther@suse.de>
5882
5883         PR c++/23624
5884         * fold-const.c (fold_ternary): Check truth_value_p before
5885         calling invert_truthvalue.
5886
5887 2005-09-09  Nick Clifton  <nickc@redhat.com>
5888
5889         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5890         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5891         dimension of these arrays.
5892         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5893         these arrays.
5894         * longlong.h: Only provide a prototype for the __clz_tab[] array
5895         if this header has not been included from libgcc2.h.
5896         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5897         defining own types.
5898         Provide prototypes for exported functions.
5899         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5900         libgcc2.c.
5901
5902 2005-09-08  Josh Conner  <jconner@apple.com>
5903
5904         PR c++/21135
5905         PR c++/23180
5906         * expr.c (expand_expr_addr_expr_1): Don't invoke
5907         expand_simple_binop for EXPAND_INITIALIZER.
5908
5909 2005-09-08  Richard Henderson  <rth@redhat.com>
5910
5911         PR debug/23190
5912         * toplev.c (wrapup_global_declaration_1): Split out ...
5913         (wrapup_global_declaration_2): ... from ...
5914         (wrapup_global_declarations): ... here.  Return bool.
5915         (check_global_declaration_1): Split out ...
5916         (check_global_declarations): from here.
5917         (emit_debug_global_declarations): New.
5918         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5919         check_global_declaration_1, emit_debug_global_declarations): Declare.
5920         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5921         of decls.  Call wrapup_global_declaration_1,
5922         wrapup_global_declaration_2, check_global_declaration_1 directly.
5923         (c_write_global_declarations_2): New.
5924         (ext_block): New.
5925         (c_write_global_declarations): Call c_write_global_declarations_2.
5926         * langhooks.c (write_global_declarations): Call
5927         emit_debug_global_declarations.
5928
5929         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5930         remove decls that have DECL_RTL_SET_P.
5931         * passes.c (rest_of_decl_compilation): Invoke
5932         cgraph_varpool_finalize_decl for all but functions.
5933
5934 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5935
5936         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5937         the result of a conversion if the new min and max cannot be compared.
5938
5939 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5940
5941         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5942         (override_options): Setting s390_sr_alias_set removed.
5943         (save_fpr, save_gprs): Set alias set to vararg or frame.
5944         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5945         s390_sr_alias_set with get_frame_alias_set ().
5946         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5947         get_varargs_alias_set ().
5948
5949 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5950
5951         PR objc/20574
5952         PR objc/19324
5953         * c-parser.c (c_parser_objc_method_definition): If the next
5954         token is not "{", error out and don't start the function.
5955
5956 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5957
5958         * tree-vrp.c (extract_range_from_expr): Move the check for non
5959         nullness after the check for gimple invariant.
5960
5961 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5962
5963         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5964
5965 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5966
5967         PR target/23747
5968         * config/m32r.md (movmemsi_internal): Canonicalize order of
5969         operands in PLUS component of template.
5970
5971 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5972
5973         * reload1.c (fixup_eh_region_note): Remove assertion.
5974         (fixup_abnormal_edges): Reverted removal of call to
5975         find_many_sub_basic_blocks made on 2005-08-31.
5976
5977 2005-09-07  Richard Henderson  <rth@redhat.com>
5978
5979         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5980         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5981         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5982         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5983         rearrange for better packing.
5984         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5985         (lookup_cfa_1): Remove inline marker.
5986         (cfa_equal_p): Split out of ...
5987         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5988         (build_cfa_loc): Handle !cfa->indirect.
5989         (frame_pointer_cfa_offset): New.
5990         (dbx_reg_number): Assert register elimination performed; do
5991         leaf register remapping.
5992         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5993         (eliminate_reg_to_offset): New.
5994         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5995         for verifiably local stack frame addresses; re-base to CFA.
5996         (mem_loc_descriptor): Remove can_use_fbreg argument.
5997         (concat_loc_descriptor, loc_descriptor): Likewise.
5998         (containing_function_has_frame_base): Remove.
5999         (rtl_for_decl_location): Don't do register elimination or
6000         leaf register remapping here.
6001         (secname_for_decl): Split out from ..
6002         (add_location_or_const_value_attribute): ... here.
6003         (convert_cfa_to_loc_list): New.
6004         (compute_frame_pointer_to_cfa_displacement): New.
6005         (gen_subprogram_die): Use them.
6006         * tree.h (frame_base_decl): Remove.
6007         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6008         (prologue_stack_adjust): Remove.
6009         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6010         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6011         (set_frame_base_location): Remove.
6012         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6013         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6014         (vt_add_function_parameters): Don't eliminate_regs.
6015         (vt_initialize): Don't create frame_base_decl.
6016
6017 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6018
6019         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6020         version of GNU binutils for 4.x and later.
6021
6022 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6023
6024         * ggc-page.c (ggc_push_context): Remove.
6025         (ggc_pop_context): Likewise.
6026         * ggc.h (ggc_push_context): Remove.
6027         (ggc_pop_context): Likewise.
6028
6029 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6030
6031         PR target/8973
6032         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6033         returning from an interrupt handler.
6034
6035 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6036
6037         PR target/8972
6038         * config/arc/arc.c (output_shift): Add check for loop count when
6039         optimizing.
6040
6041 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6042
6043         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6044         form manually.
6045         (abs_replacement): Likewise.
6046         (pass_phiopt): Remove TODO_update_ssa.
6047
6048 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6049
6050         PR c/23075
6051         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6052         if "return with no value, in function returning non-void" warning
6053         has been issued.
6054         * tree-cfg.c (execute_warn_function_return): Don't look at
6055         RETURN_EXPRs with TREE_NO_WARNING set.
6056
6057         PR target/22362
6058         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6059         for internal functions doesn't use registers used by global registers
6060         variables.  Use fewer register parameters if there are global register
6061         variables.
6062
6063 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6064             Eric Botcazou  <ebotcazou@adacore.com>
6065
6066         PR middle-end/14997
6067         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6068         when we would be extracting outside its bit span (bitpos+bitsize
6069         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6070         Ada unchecked conversions.
6071
6072 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6073
6074         * tree-ssa-pre.c (try_look_through_load): New function.
6075         (compute_avail): Use it to try to look through loads for some
6076         more useful expressions.
6077
6078 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6079
6080         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6081         condition for detecting cases like (a&a) and (a^a).
6082
6083 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6084
6085         * common.opt: Add option ftree-vect-loop-version.
6086         * params.def: Add --param vect-max-version-checks.
6087         * doc/invoke.texi: Document ftree-vect-loop-version and
6088         --param vect-max-version-checks.
6089         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6090         may_misalign_stmts and defines for accessors.
6091         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6092         LOOP_VINFO_MAY_MISALIGN_STMTS.
6093         (destroy_loop_vec_info): VEC_free for
6094         LOOP_VINFO_MAY_MISALIGN_STMTS.
6095         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6096         Update documentation.
6097         (vect_update_misalignment_for_peel): New.
6098         (vect_enhance_data_refs_alignment): Update to choose loop
6099         peeling or loop versioning if appropriate for the (potentially)
6100         unaligned data references in the loop.
6101         (vect_analyze_data_refs_alignment): Remove call to
6102         vect_enhance_data_refs_alignment so the checks can be done
6103         earlier.
6104         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6105         and move up call to vect_analyze_data_refs_alignment.
6106         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6107         (vect_transform_loop): Add call to loop_version.
6108
6109 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6110
6111         PR rtl-optimization/23098
6112         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6113         * simplify-rtx.c (constant_pool_reference_p): New function.
6114         * rtl.h (constant_pool_reference_p): New prototype.
6115         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6116         constant_pool_reference_p in condition and
6117         avoid_constant_pool_reference in preparation statements.
6118
6119 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6120
6121         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6122         STRICT_LOW_PART SETs.
6123
6124 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6125
6126         PR middle-end/21460
6127         * except.c (sjlj_emit_function_enter): Find the function begin
6128         note even when it's not in first basic block.
6129
6130 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6131
6132         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6133         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6134         * aclocal.m4: Regenerate.
6135
6136 2005-09-05  DJ Delorie  <dj@redhat.com>
6137
6138         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6139         of macro.
6140
6141 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6142
6143         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6144         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6145         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6146         Follow spelling conventions.
6147         * doc/invoke.texi: Follow spelling conventions.
6148
6149 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6150
6151         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6152         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6153         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6154
6155 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6156
6157         PR target/23683
6158         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6159         (output_stack_adjust): Use gen_tmp_stack_mem.
6160         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6161         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6162         (sh_get_pr_initial_val): Likewise.
6163         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6164         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6165         * sh.md (divsi_inv_m0): Use gen_const_mem.
6166         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6167         (movdf_i4+1): Use gen_tmp_stack_mem.
6168         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6169         (fpu_switch+2): Likewise.
6170         (movv4sf_i, movv16sf_i): Use adjust_address.
6171         (symGOT_load): Set MEM_NOTRAP_P bit.
6172
6173 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6174
6175         PR target/23721
6176         * pa.c (emit_move_sequence): Fix typo in last change.
6177
6178 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6179
6180         PR rtl-optimization/23454
6181         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6182         is true.
6183
6184 2005-09-03  Richard Henderson  <rth@redhat.com>
6185             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6186
6187         PR middle-end/23671
6188         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6189         gen_rtx_MEM.
6190
6191 2005-09-02  Nicolas Pitre <nico@cam.org>
6192
6193         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6194         to bit_count to 32 bits.
6195
6196 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6197
6198         PR c++/23167
6199         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6200         generating synthetic loads from volatile lvalues.
6201
6202 005-09-02  Nick Clifton  <nickc@redhat.com>
6203
6204         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6205         __ctzhi2, __clzhi2): New functions.
6206
6207 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6208
6209         PR middle-end/23547
6210         * tree-nested.c (struct var_map_elt): Mark with GTY.
6211         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6212         var_map_elt.
6213         (lookup_field_for_decl): Allocate new element in GC memory.
6214         (lookup_tramp_for_decl): Likewise.
6215         (convert_nl_goto_reference): Likewise
6216         (create_nesting_tree): Allocate info in GC memory. Likewise for
6217         info->var_map.
6218         (free_nesting_tree): Free with ggc_free instead of free.
6219         (root): New static variable.
6220         (lower_nested_functions): Remove root as local variable.  And zero out
6221         root at the end of the function.
6222
6223 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6224
6225         PR rtl-optimization/20365
6226         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6227         to short.  New member ix.
6228         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6229         (simplify_plus_minus): Initialize ix members before calling qsort.
6230
6231 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6232
6233         PR tree-optimization/23626
6234         * tree-cfg.c (replace_uses_by): Clean up eh info.
6235
6236 2005-09-01  DJ Delorie  <dj@redhat.com>
6237
6238         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6239         fprintf.
6240
6241 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6242
6243         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6244         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6245         gen_rtx_MEM.
6246
6247 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6248
6249         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6250         do not issue warning for a variable definition following
6251         a declaration.
6252
6253 2005-09-01  Richard Henderson  <rth@redhat.com>
6254
6255         PR 23668
6256         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6257         conversion to CONST_VECTOR.
6258
6259 2005-09-01  Richard Henderson  <rth@redhat.com>
6260
6261         PR 23676
6262         * reload1.c (reload_as_needed): Check !CALL_P before calling
6263         fixup_eh_region_note.
6264         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6265
6266 2005-09-01  DJ Delorie  <dj@redhat.com>
6267
6268         * varasm.c (output_constant): Let the target resolve
6269         conversions of addresses to non-default pointer sizes.
6270
6271 2005-09-01  Nicolas Pitre <nico@cam.org>
6272
6273         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6274         to alow matching ARM pre-indexed addressing mode.
6275         (arm_override_options): Remove now irrelevant comment.
6276
6277 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6278
6279         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6280         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6281         * config/i386/vxworks.h:  Likewise.
6282         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6283         * config/i386/vxworksae.h:  Likewise.
6284
6285 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6286
6287         PR tree-optimization/23410
6288         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6289         sequence is not wrapping during the first step.
6290
6291 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6292
6293         PR debug/7241
6294         * dwarf2out.c (base_type_die): Compare char_type_node with
6295         TYPE_MAIN_VARIANT (type), not type.
6296
6297 2005-09-01  Richard Guenther  <rguenther@suse.de>
6298
6299         PR tree-optimization/15366
6300         * common.opt: Add -finline-functions-called-once.
6301         Put -fearly-inlining in alphabetically ordered place.
6302         * doc/invoke.texi: Document new option.
6303         * ipa-inline.c (cgraph_decide_inlining): Honour
6304         flag_inline_functions_called_once.
6305
6306 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6307
6308         PR rtl-optimization/23478
6309         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6310         (alloc_qty): Initialize it.
6311         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6312         (combine_regs): Combine also n_throwing_calls_crossed fields.
6313         (find_free_reg): Don't attempt to caller-save pseudos crossing
6314         calls that might throw.
6315         * global.c (struct allocno): Add throwing_calls_crossed field.
6316         (global_alloc): Revert 2005-08-22 change.  Initialize
6317         throwing_calls_crossed.
6318         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6319         might throw.
6320
6321 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6322
6323         PR target/23649
6324         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6325         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6326         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6327         (and64_2_operand): Tweak to use predicate.
6328         (and_operand): Adjust for mask_operand changes.
6329         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6330         (print_operand): Likewise.
6331         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6332         (mask64_1or2_operand): Delete.
6333         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6334         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6335         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6336         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6337         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6338         (rotldi3_internal4): Likewise.
6339         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6340         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6341         (ashldi3_internal7): Likewise.
6342         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6343         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6344         (anddi3 split): Don't match mask64_operand.
6345         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6346         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6347         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6348         't' splitter predicate.
6349         (movdi_internal64 + 2): Revert 2005-06-11 change.
6350
6351 2005-08-31  DJ Delorie  <dj@redhat.com>
6352
6353         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6354         (m32c_asm_integer): Add support for 32 bit pointers.
6355
6356 2005-08-31  Richard Henderson  <rth@redhat.com>
6357
6358         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6359         component-like references for setting MEM_NOTRAP_P.
6360
6361         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6362         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6363
6364 2005-08-31  Richard Henderson  <rth@redhat.com>
6365
6366         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6367         into a pseudo before applying gen_lowpart.
6368
6369 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6370
6371         * doc/install.texi (Specific): Update cctools version required
6372         for full functionality.
6373         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6374         linkers as -macosx_version_min.
6375
6376 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6377
6378         PR target/21255
6379         * sh.c (print_operand, %R and %S): Add handling of floating point
6380         registers, memory, constants and invalid operands.
6381
6382 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6383
6384         * ipa-pure-const.c: Change dump name.
6385
6386 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6387
6388         PR target/23570
6389         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6390         to "reg_or_0_operand".
6391         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6392
6393 2005-08-31  Dale Johannesen  <dalej@apple.com>
6394
6395         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6396         loops that count down.
6397
6398 2005-08-31  Richard Henderson  <rth@redhat.com>
6399
6400         PR rtl-opt/23601
6401         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6402         (fixup_eh_region_note): New.
6403         (reload_as_needed): Call it.
6404         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6405         don't call find_many_sub_basic_blocks; call verify_flow_info.
6406         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6407         (keep_stack_depressed): Likewise.
6408         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6409
6410 2005-08-31  Richard Henderson  <rth@redhat.com>
6411
6412         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6413         fp return matching.
6414
6415 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6416
6417         * expr.c (expand_expr_real_1): Compare size of address
6418         mode to target's address mode size in deciding expansion of
6419         the constant address.
6420
6421 2005-08-31  Richard Guenther  <rguenther@suse.de>
6422
6423         PR middle-end/23477
6424         * expr.c (all_zeros_p): New function.
6425         (expand_expr_real_1): Handle the case of an all-zero
6426         non-addressable constructor separately.
6427
6428 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6429
6430         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6431         arguments, adjust all callers.
6432         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6433
6434 2005-08-30  Richard Henderson  <rth@redhat.com>
6435
6436         PR target/23630
6437         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6438         whenever the mode sizes match.
6439
6440 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6441
6442         * calls.c (load_register_parameters): Fix comment typo.
6443         * expr.c (emit_push_insn): Comment formatting.
6444
6445 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6446
6447         * config/i386/x-cygwin (host-cygwin): Change dependency from
6448         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6449
6450 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6451
6452         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6453         parts of 'vals'.
6454
6455 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6456
6457         PR middle-end/23408
6458         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6459         call to ggc_collect.
6460
6461 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6462
6463         PR bootstrap/21268
6464         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6465         beginning.  Remove $(INCLUDES) from all the rules, if following
6466         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6467
6468 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6469
6470         PR middle-end/23484
6471         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6472         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6473         not constant, but maxlen is, don't set len to maxlen, rather
6474         set maxlen to len if len is a constant.
6475
6476 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6477
6478         PR tree-optimization/23475
6479         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6480         and counts.
6481
6482 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6483
6484         Fix PR middle-end/22455
6485
6486         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6487         Checksum only the parts of the tree that exist for the tree code.
6488
6489 2005-08-28  Dale Johannesen  <dalej@apple.com>
6490
6491         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6492
6493 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6494
6495         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6496
6497 2005-08-28  Richard Henderson  <rth@redhat.com>
6498
6499         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6500         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6501         of char_type_node.
6502
6503 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6504
6505         PR ada/23593
6506         * builtins.c (get_memory_rtx): Don't strip nops
6507         in between COMPONENT_REFs.
6508
6509 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6510
6511         PR middle-end/23463
6512         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6513         types.
6514         (gimplify_modify_expr): Check for zero sized types and gimplify the
6515         rhs and lhs as statements.
6516
6517 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6518
6519         PR libgcj/23508
6520         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6521         state for return address column of signal frames.
6522
6523 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6524
6525         PR target/23539
6526         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6527         bytes >= 2 not bytes == 2.
6528         (expand_block_move): Same.
6529
6530 2005-08-27  Richard Guenther  <rguenther@suse.de>
6531
6532         PR target/23575
6533         * config/i386/sse.md (sse2_movsd): Add missing closing
6534         braces.
6535
6536 2005-08-27  Paul Brook  <paul@codesourcery.com>
6537
6538         * genrecog.c (enum decision_type): Add DT_num_insns.
6539         (struct decision_test): Add u.num_insns.
6540         (add_to_sequence): Add DT_num_insns test.
6541         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6542         (write_cond, debug_decision_2): Ditto.
6543         (change_state): Assume peep2_next_insn never fails.
6544         Remove "afterward" argument.
6545         (write afterward, write_tree): Update to match.
6546         * recog.c (peep2_current_count): New variable.
6547         (peep2_next_insn): Check it.
6548         (peephole2_optimize): Set peep2_current_count.
6549         * recog.h (peep2_current_count): Declare.
6550
6551 2005-08-26  Josh Conner  <jconner@apple.com>
6552
6553         PR middle-end/23584
6554         * ipa-pure-const.c (check_tree): Check for volatile-ness
6555         when considering a dereference.
6556
6557 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6558
6559         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6560
6561 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6562
6563         PR rtl-optimization/23561
6564         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6565         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6566         at most LEN bytes long memory fits into the field.
6567         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6568         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6569         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6570
6571 2005-08-26  Richard Henderson  <rth@redhat.com>
6572
6573         PR rtl-opt/23560
6574         * loop.c (biased_biv_may_wrap_p): New.
6575         (maybe_eliminate_biv_1): Use it to suppress non-equality
6576         comparison transformations.  Delete disabled code.
6577
6578 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6579
6580         * combine.c (make_extraction): Avoid reference outside object.
6581
6582 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6583
6584         * stor-layout.c (finalize_type_size): Restore behaviour for
6585         non-aggregate types to the status quo ante of the patch for
6586         pr 23467.  Document why it matters.
6587
6588 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6589
6590         PR c/23506
6591         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6592         array by one element, initialize the BT_LAST element with NULL.
6593
6594 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6595
6596         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6597         optimizing for size.
6598         (plus_eqsi): Same.
6599         (compare_plus_eqsi): Same.
6600         (plus_eqsi_compare): Same.
6601         (neg_eq0<mode>): Same.
6602         (neg_eq<mode>): Same.
6603
6604         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6605         PROCESSOR_POWER4.
6606
6607 2005-08-26  Nick Clifton  <nickc@redhat.com>
6608
6609         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6610         TARGET_EP is not defined.
6611         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6612         TARGET_EP is enabled.
6613         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6614         * config/v850/v850.md (save_all_interrupt): Only use the EP
6615         register if TARGET_EP is defined.
6616         (restore_all_interrupt): Likewise.
6617         * config/v850/lib1funcs.asm: Update functions so that the EP
6618         register is only used if __EP__ is defined.
6619
6620 2005-08-26  David Ung  <davidu@mips.com>
6621
6622         * config/mips/mips.c (mips_expand_prologue): Handle case when
6623         generating for MIPS16 and the outgoing argument area is more than
6624         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6625         add instruction.
6626
6627 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6628
6629         * config/crx/crx.md: Make doloop_end pattern usage controllable
6630         via mloop-nesting=<max-nesting> command line switch. Make sure
6631         the combiner cannot use doloop_end_<mode> in an illegal way.
6632         * config/crx/crx.c: Use regs up to r6 for argument passing.
6633         Refine crx_address_cost (non cst4 displacements are expensive).
6634         * config/crx/crx.opt: Add switch for mloop-nesting=.
6635
6636 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6637
6638         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6639         (UNSPEC_MVST): New constant.
6640
6641 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6642
6643         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6644         Reject operands containing eliminable registers.
6645         * testsuite/gcc.dg/20050825-1.c: New testcase.
6646
6647 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6648             Jan Hubicka  <jh@suse.cz>
6649
6650         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6651
6652 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6653
6654         PR tree-optimization/23546
6655         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6656         and REAL_CST nodes.
6657
6658 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6659
6660         * params.def (PARAM_MIN_SPEC_PROB): New.
6661         * sched-rgn.c (MIN_PROBABILITY): Delete.
6662         (compute_trg_info): Convert to PARAM_VALUE.
6663         * doc/invoke.texi (param): Document min-spec-prob.
6664
6665 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6666
6667         * config/darwin.h: define __PIC__
6668         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6669         TARGET_OS_CPP_BUILTINS macro.
6670
6671 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6672
6673         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6674         yesterday.
6675
6676 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6677
6678         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6679         to duplicate_block.
6680         * cfghooks.c (duplicate_block): Added position where to place
6681         new block as argument.
6682         * cfghooks.h (duplicate_block): Declaration changed.
6683         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6684         duplicate_block.
6685         * cfglayout.h (copy_bbs): Declaration changed.
6686         * cfgloop.h (loop_version): Declaration changed.
6687         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6688         position to copy_bbs.
6689         (loop_version): Pass position to duplicate_loop_to_header_edge.
6690         Add place_after argument and position new blocks according to
6691         it.
6692         * modulo-sched.c (sms_schedule): Pass place_after argument
6693         to loop_version.
6694         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6695         * tree-cfg.c (split_edge_bb_loc): New function.
6696         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6697         to determine position of new blocks.
6698         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6699         to loop_version.
6700         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6701         argument to duplicate_block.
6702         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6703         Pass position to copy_bbs.
6704
6705 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6706
6707         * fold-const.c (ptr_difference_const): Use
6708         cst_and_fits_in_hwi instead of host_integerp.
6709
6710 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6711
6712         * config/darwin.c (gen_pic_offset): New.
6713         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6714         Use it.
6715
6716 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6717
6718         PR tree-optimization/23486
6719         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6720
6721 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6722
6723         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6724         remove use_collect2.
6725         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6726
6727         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6728         configuration files to override the default value.
6729
6730         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6731         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6732         * config/vx-common.h:  New file, split out from...
6733         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6734         * config/vxworksae.h:  New file, for VxWorks AE.
6735         * config/vxworks.opt:  New file.
6736         * config/vxlib.c:  Update for VxWorks 6.
6737
6738         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6739         other MULTILIB_* variables appropriately.
6740         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6741         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6742         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6743         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6744
6745 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6746
6747         PR target/20799
6748         * config/darwin.c (machopic_select_section): Remove the hack to
6749         mark "::operator new" and "::operator delete" for coalescing
6750         even though they are not weak.
6751
6752 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6753
6754         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6755         * configure: Regenerate.
6756
6757 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6758
6759         PR middle-end/23517
6760         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6761         between vectors.
6762         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6763         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6764         Likewise.
6765
6766 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6767
6768         * config/rs6000/predicates.md (equality_operator): New.
6769         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6770         comparison with a large constant.
6771
6772 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6773
6774         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6775
6776 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6777
6778         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6779         registers is even, and we have a hardware double precision fp,
6780         align the buffer.
6781         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6782         size of current argument when checking if argument was passed in
6783         registers.
6784
6785         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6786
6787         PR middle-end/23467
6788         * stor-layout.c (finalize_type_size): Dont override
6789         existing alignment with a smaller alignment from the mode.
6790
6791 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6792
6793         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6794         * lambda.h (lambda_vector_lexico_pos): ... here.
6795         * tree-data-ref.c (build_classic_dist_vector): Return false when
6796         the distance vector is lexicographically negative.
6797
6798 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6799
6800         PR tree-optimization/23511
6801         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6802         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6803
6804 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6805
6806         PR tree-optimization/22043
6807         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6808         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6809         If ALLOW_FLEXARR, handle types ending with flexible array member.
6810         Pass false as second argument to recursive count_type_elements calls.
6811         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6812         argument to count_type_elements call.
6813         * tree-sra.c (decide_block_copy): Likewise.
6814         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6815         for a constant-sized object, set cleared as well.  Pass true as
6816         second argument to count_type_elements call.
6817
6818 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6819
6820         PR target/21571
6821         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6822         from legitimate_small_data_p, and make global.  Update use.
6823         Remove forward declaration.
6824         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6825         Declare.
6826         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6827
6828 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6829
6830         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6831         of scratch intermediates.
6832         (eq<mode>_compare): Same.
6833         (neg_eq0<mode>): New.
6834         (neg_eq<mode>): Convert to define_insn_and_split.
6835
6836 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6837
6838         PR target/23070
6839         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6840         stdarg functions, set/clear the fp marker even when no variable
6841         args are passed.
6842         * config/rs6000/sysv4.opt (mprototype): Describe.
6843
6844 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6845
6846         PR rtl-optimization/23478
6847         * regs.h (reg_info): Add throw_calls_crossed.
6848         (REG_N_THROWING_CALLS_CROSSED): Define.
6849         * flow.c (allocate_reg_life_data): Initialize
6850         REG_N_THROWING_CALLS_CROSSED.
6851         (propagate_one_insn, attempt_auto_inc): Update
6852         REG_N_THROWING_CALLS_CROSSED.
6853         * global.c (global_alloc): Don't allocate pseudos across
6854         calls that may throw.
6855
6856 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6857
6858         PR c/18715
6859         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6860         value is inbetween the range if we did not find an exact match.
6861
6862 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6863
6864         * doc/invoke.texi (Option Summary): Add ms1 options.
6865         * doc/extend.texi: Document interrupt handler attribute for ms1.
6866         * doc/md.texi: Document ms1 constraints.
6867         * config.gcc: Add ms1-*-elf.
6868         * config/ms1/ms1.h: New.
6869         * config/ms1/ms1.c: New.
6870         * config/ms1/ms1.md: New.
6871         * config/ms1/ms1-protos.h: New.
6872         * config/ms1/ABI.txt: New.
6873         * config/ms1/crti.asm: New.
6874         * config/ms1/crtn.asm: New.
6875         * config/ms1/lib2extra-funcs.c: New.
6876         * config/ms1/t-ms1: New.
6877         * config/ms1/ms1.opt: New.
6878
6879 2005-08-22 Ira Rosen <irar@il.ibm.com>
6880
6881         * config/rs6000/altivec.md (xorv4sf3): New.
6882         (negv4sf2, neg<mode>2): Likewise.
6883
6884 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6885
6886         PR target/23485
6887         * config/ia64/ia64.md (divsi3): Check divide by zero.
6888         (udivsi3): Likewise.
6889         (divdi3): Likewise.
6890         (udivdi3): Likewise.
6891
6892 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6893
6894         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6895         up to elem_bitsize bits, not max_bitsize.
6896
6897 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6898
6899         PR tree-optimization/23433
6900         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6901         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6902
6903 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6904
6905         PR tree-optimization/23434
6906         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6907         the iteration bound is not an INTEGER_CST.
6908
6909 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6910
6911         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6912         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6913         NULL if need_epilog_adjust is false.
6914         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6915         Case 3 always peels first itration, not just for PLUS case, and no need
6916         to use scalar_initial_def here. Create an epilog adjustment only if
6917         scalar_initial_def is not NULL.
6918
6919         (vectorizable_reduction): Remove assert.
6920
6921 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6922
6923         PR target/23485
6924         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6925         (__moddi3): Likewise.
6926         (__udivdi3): Likewise.
6927         (__umoddi3): Likewise.
6928         (__divsi3): Likewise.
6929         (__modsi3): Likewise.
6930         (__udivsi3): Likewise.
6931         (__umodsi3): Likewise.
6932
6933 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6934
6935         * tree-pass.h (TDF_GRAPH): Define.
6936         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6937         * passes.c (finish_optimization_passes): Only call
6938         finish_graph_dump_file if TDF_GRAPH is set.
6939         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6940         NULL.  Set TDF_GRAPH bit.
6941         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6942
6943 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6944
6945         * arm.h (arm_stack_offsets): Add locals_base field.
6946         * arm.c (arm_get_frame_offsets): Compute it.
6947         (thumb_compute_initial_elimination offset): Make the Thumb frame
6948         pointer point to the base of the local variables.
6949         (thumb_expand_prologue): Update accordingly.
6950         (thumb_expand_epilogue): Likewise.
6951
6952         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6953         mode of clobbered scratch to DImode.  Handle a case that's known to
6954         need this.
6955
6956 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6957
6958         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6959         (gt0<mode>_compare): Delete.
6960         (neg_gt0<mode>): Delete.
6961
6962 2005-08-19  Eric Christopher  <echristo@apple.com>
6963
6964         * optabs.h: Change CTI_ to COI_.
6965         * optabs.c: Ditto.
6966
6967 2005-08-19  James E Wilson  <wilson@specifix.com>
6968
6969         * builtins.c (expand_builtin_return_addr): Set
6970         current_function_accesses_prior_frames when count != 0.  Use
6971         frame_pointer_rtx when count == 0.
6972         * function.h (struct function): Add accesses_prior_frames field.
6973         (current_function_accesses_prior_frames): Define.
6974         * reload1.c (init_elim_table): Check
6975         current_function_accesses_prior_frames.
6976         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6977
6978 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6979
6980         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6981         indicator.  Return true if the flowgraph changed during
6982         cleanup.
6983
6984 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6985
6986         PR 23476
6987         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6988         conditional expression before testing its value.
6989
6990 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6991
6992         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6993
6994 2005-08-19  Devang Patel  <dpatel@apple.com>
6995
6996         PR tree-optimization/23048
6997         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6998         third parameter. Check whether latch is dominated by exit
6999         block or not.
7000         (if_convertible_loop_p): Supply exit block itself to
7001         if_convertible_bb_p.
7002
7003 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7004
7005         PR target/23473
7006         * arm.md (arm_load_pic_register): Change argument to the mask of
7007         saved registers.  Call thumb_find_work_register if we need a
7008         scratch register on Thumb.
7009         (arm_expand_prologue): Pass empty register set to
7010         arm_load_pic_register.
7011         (thumb_expand_prologue): Pass live_regs_mask directly to
7012         arm_load_pic_register.
7013         * arm-protos.h (arm_load_pic_register): Update prototype.
7014
7015 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7016
7017         * sh.c (find_sole_member): New function.
7018         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7019         if the record's alignment is larger than the size of its only member.
7020
7021 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7022
7023         PR target/23436
7024         * arm.c (thumb_legitimize_reload_address): New function.
7025         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7026         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7027
7028 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7029
7030         * config/crx/crx.c: Implement crx_decompose_address. Reject
7031         symbolic displacements since CRX register relative adressing
7032         mode can't handle unsigned 32-bit values as displacements.
7033         * config/crx/crx.h: Simplify definitions, remove redundant
7034         parenthesis and obsolete macros.
7035         * config/crx/crx.opt: Add new switch for debugging addresses.
7036         * config/crx/crx-protos.h: Add new declarations for above.
7037
7038 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7039
7040         PR middle-end/20624
7041         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7042         looking past it.
7043
7044 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7045
7046         * collect2.c (dup2): Delete.
7047         * configure.ac: Don't check for dup2.
7048
7049         * config.in, configure: Regenerate.
7050
7051 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7052
7053         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7054         record with the type of its only member.
7055
7056 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7057
7058         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7059         define_insn_and_split.
7060         (plus_ltu<mode>_compare): Same.
7061         (gtu<mode>_compare): Same.
7062         (plus_gtu<mode>_compare): Same.
7063
7064 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7065
7066         PR tree-optimization/22228
7067         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7068         todo_flags_start.
7069         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7070         are recorded in vect_vnames_to_rename for renaming.
7071         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7072         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7073         in vect_vnames_to_rename.
7074         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7075         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7076
7077 2005-08-18  Jan Hubicka  <jh@suse.cz>
7078
7079         PR c++/22034
7080         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7081         info only for local statics, not for member variables.
7082
7083 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7084
7085         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7086
7087 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7088
7089         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7090
7091 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7092
7093         PR middle-end/16045
7094         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7095
7096 2005-08-17  James E Wilson  <wilson@specifix.com>
7097
7098         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7099         array size check.
7100
7101 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7102
7103         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7104         (leu<mode>_compare): Same.
7105         (plus_leu<mode>): Same.
7106         (neg_leu<mode>): Same.
7107         (and_neg_leu<mode): Same.
7108         (ltu<mode>_compare): Same.
7109         (plus_ltu<mode>): Same.
7110         (geu<mode>): Same.
7111         (geu<mode>_compare): Same.
7112         (plus_geu<mode>): Same.
7113         (neg_geu<mode>): Same.
7114         (and_neg_geu<mode>): Same.
7115         (plus_gt<mode>): Same.
7116         (gtu<mode>_compare): Same.
7117         (plus_gtu<mode>): Same.
7118
7119 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7120
7121         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7122         Move call_table_data to end.  Delete spurious .text.
7123         (callt_save_all_interrupt): Fix comment typo.
7124
7125 2005-08-17  James E Wilson  <wilson@specifix.com>
7126             Kevin Winchester  <winchester@amirix.com>
7127
7128         PR target/21684
7129         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7130
7131 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7132
7133         PR target/23268
7134         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7135         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7136
7137 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7138
7139         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7140         record with the type of its only member if the modes don't match.
7141
7142         * varasm.c (decode_reg_name): Skip empty additional register names.
7143
7144 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7145
7146         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7147         lsm_tmp_name_length): New.
7148         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7149         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7150
7151 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7152             Andreas Krebbel  <krebbel1@de.ibm.com>
7153
7154         * config.gcc: Added z9-109 switch.
7155         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7156         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7157         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7158         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7159         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7160         for "z9_109" cpu attribute.
7161         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7162         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7163         (s390_handle_arch_option): Added z9-109 switch.
7164         (override_options): Set respective cost function for z9-109.
7165         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7166         (legitimate_reload_constant_p): Accept extended immediates.
7167         (print_operand): Three new output modifiers added: k, m and o.
7168         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7169         (s390_output_mi_thunk): Use extended immediate when possible.
7170         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7171         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7172         (CONSTRAINT_LEN): Added length of O constraint.
7173         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7174         * config/s390/s390.md ("cpu"): New value z9_109 added.
7175         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7176         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7177         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7178         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7179         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7180         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7181         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7182         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7183         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7184         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7185         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7186         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7187         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7188         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7189         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7190         immediates.
7191         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7192         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7193         insns for TARGET_EXTIMM.
7194
7195 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7196
7197         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7198
7199 2005-08-17  Nick Clifton  <nickc@redhat.com>
7200
7201         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7202         Call default_encode_section_info.
7203
7204 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7205
7206         PR tree-optimization/21574
7207         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7208         constant, return CONSTANT.
7209         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7210         (ccp_fold, visit_assignment): Likewise.
7211         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7212
7213 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7214
7215         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7216         fold_buildN instead of buildN then fold_initializer or fold.
7217         (build_unary_op): Likewise.
7218         (build_binary_op): Likewise.
7219         * fold-const.c (fold_initializer): Remove.
7220         (fold_build1_initializer): New function.
7221         (fold_build2_initializer): New function.
7222         (fold_build3_initializer): New function.
7223         * tree.h (fold_initializer): Remove.
7224         (fold_build1_initializer): New function.
7225         (fold_build2_initializer): New function.
7226         (fold_build3_initializer): New function.
7227
7228 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7229
7230         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7231         (try_move_mult_to_index): Call fold_build2 instead of build2.
7232         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7233         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7234         fold_binary_to_constant.
7235         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7236         fold (build.
7237         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7238         check if A == gcd (A, B).  Remove TYPE argument.
7239         (analyze_offset) Use fold_build2 instead of fold (build.
7240         (create_data_ref): Likewise.
7241         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7242         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7243         then fold.
7244
7245 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7246
7247         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7248         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7249
7250 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7251
7252         PR tree-opt/23402
7253         * gimplify.c (zero_sized_type): New function.
7254         (gimplify_modify_expr_rhs): If we have a zero sized type,
7255         replace the statement with an empty statement.
7256
7257 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7258
7259         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7260         fxsave.
7261
7262 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7263
7264         * doc/tm.texi (Label Output): Correct typo.
7265
7266 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7267
7268         PR target/23376
7269         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7270         force_operand will work later on using have_insn_for.
7271
7272 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7273
7274         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7275
7276 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7277
7278         PR c++/23337
7279         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7280         vector type, don't try to construct it element by element.  Add an
7281         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7282
7283 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7284
7285         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7286
7287 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7288
7289         * doc/invoke.texi (Precompiled Headers): Document some more options
7290         which are known to be safe.
7291
7292 2005-08-16  James E Wilson  <wilson@specifix.com>
7293
7294         PR tree-optimization/21105
7295         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7296         TREE_OVERFLOW check.
7297
7298 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7299
7300         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7301         (neg_ltu<mode>): Same.
7302         (gtu<mode>): Same.
7303         (neg_gtu<mode>): Same.
7304
7305 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7306
7307         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7308         (fold_builtin_isdigit): Use fold_buildN.
7309         (build_function_call_expr): Likewise.
7310         * c-typeck.c (c_finish_loop): Likewise.
7311
7312 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7313             Richard Shann <rshann@superh.com>
7314
7315         PR middle-end/20396:
7316         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7317
7318 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7319
7320         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7321
7322 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7323
7324         PR target/23355
7325         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7326         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7327         must be saved.
7328
7329 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7330
7331         PR middle-end/23369
7332         * fold-const.c (build_range_check): Disable optimization for function
7333         pointer expressions on targets that require function pointer
7334         canonicalization.
7335
7336 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7337
7338         * simplify-rtx.c (simplify_const_relational_operation): When
7339         extracting arguments of a COMPARE, recompute the mode as well.
7340
7341 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7342
7343         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7344
7345 2005-08-15  DJ Delorie  <dj@redhat.com>
7346
7347         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7348         the stack.
7349         (movsi_splittable): Allow, but split, moves to the stack.
7350         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7351         stack.
7352
7353 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7354
7355         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7356         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7357         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7358
7359         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7360         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7361         Delete HOST_PTR_PRINTF.
7362
7363         * configure, config.in: Regenerate.
7364
7365 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7366
7367         * config/rs6000/rs6000.md (QHSI): New mode macro.
7368         (wd): Extend mode attr for QImode and HImode
7369         (dbits): New mode attr.
7370         (zero_extend<mode>di2): Convert to mode macro.
7371
7372 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7373
7374         PR target/21841
7375         * doc/invoke.texi (-mgnu-ld): Update description.
7376         (-mhp-ld): Ditto.
7377
7378 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7379
7380         PR 23391
7381         * Makefile.in (tree-chrec.o): Depends on real.h.
7382         * tree-chrec.c: Include real.h.
7383         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7384         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7385         * tree-scalar-evolution.c (add_to_evolution_1,
7386         interpret_rhs_modify_expr): Ditto.
7387
7388 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7389
7390         PR 23386
7391         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7392         step is negative compute the estimation from init downwards to zero.
7393
7394 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7395
7396         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7397
7398 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7399
7400         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7401         constraint.
7402         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7403         Accept double-word constants that can be split.
7404         * config/s390/s390.md ("movti"): Use 'P' constraint.
7405         ("*movdi_31", "*movdf_31"): Likewise.
7406
7407 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7408
7409         Fix PR tree-optimization/22615
7410
7411         * tree-ssa-structalias.c (solution_set_add): Handle
7412         first_vi_for_offset returning NULL.
7413         (do_da_constraint): Ditto.
7414         (do_sd_constraint): Ditto.
7415         (do_ds_constraint): Ditto
7416         (find_func_aliases): Ditto.
7417         (build_constraint_graph): RHS is allowed be ANYTHING.
7418         (first_vi_for_offset): Return NULL if we couldn't find anything at
7419         the offset.
7420
7421 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7422
7423         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7424         over memory as first operand.
7425
7426 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7427
7428         PR target/23360
7429         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7430         available for setting it.
7431
7432 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7433
7434         PR tree-optimization/23320
7435         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7436         data-refs' types instead of base object nullness. Add check for
7437         pointer type data-refs before first location comparison. Remove
7438         assert.
7439
7440 2005-08-14  Andreas Schwab  <schwab@suse.de>
7441
7442         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7443
7444 2005-08-13  James E Wilson  <wilson@specifix.com>
7445
7446         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7447         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7448         -fstack-protector-all, --param ssp-buffer-size): Document.
7449         (-Wvariadic-macros): Alphabetize.
7450         (-fsched-stalled-insns-dep): Add missing 'f'.
7451
7452         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7453         macros.
7454
7455 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7456
7457         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7458         or indirect address operand.
7459         (EXTRA_ADDRESS_CONSTRAINT): New.
7460         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7461
7462 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7463
7464         PR tree-optimization/22236
7465         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7466         successors and predecessors.
7467         * tree-chrec.c (chrec_convert): Before converting, check that
7468         sequences don't wrap.
7469         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7470         (analyze_array): Extern.
7471         (find_data_references_in_loop): Remove call to
7472         compute_estimated_nb_iterations.
7473         * tree-data-ref.h (analyze_array): Declared.
7474         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7475         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7476         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7477         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7478         condition.
7479         * tree-ssa-loop-ivcanon.c: Fix documentation.
7480         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7481         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7482         (infer_loop_bounds_from_undefined): New.
7483         (estimate_numbers_of_iterations_loop): Use
7484         infer_loop_bounds_from_undefined.
7485         (used_in_pointer_arithmetic_p): New.
7486         (scev_probably_wraps_p): Pass an extra parameter.  Call
7487         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7488         (convert_step): Fix documentation.
7489         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7490         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7491         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7492         scev_probably_wraps_p.
7493
7494 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7495
7496         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7497         (s390_register_info): Ignore clobbered_regs information for fixed
7498         registers, and only fixed registers.
7499         (s390_init_frame_layout): Remove redundant call.
7500
7501 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7502
7503         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7504         description of -Wold-style-casts.
7505
7506 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7507             Jakub Jelinek  <jakub@redhat.com>
7508
7509         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7510         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7511         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7512         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7513         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7514         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7515         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7516         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7517         ("stack_protect_set", "stack_protect_test"): New expanders.
7518         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7519         "stack_protect_testdi"): New insn definitions.
7520
7521 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7522
7523         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7524
7525 2005-08-12  Paul Brook  <paul@codesourcery.com>
7526
7527         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7528
7529 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7530
7531         * config/s390/predicates.md (setmem_operand): New predicate.
7532         (shift_count_operand): Accept ANDs with special constants as
7533         operand.
7534         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7535         with special constants.
7536         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7537         shift_count_operand with setmem_operand.
7538
7539 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7540
7541         * config/s390/s390.c (s390_extract_part, s390_single_part):
7542         Type cast added.
7543         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7544         (s390_output_mi_thunk): Don't use lg on 31 bit.
7545         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7546         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7547
7548 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7549
7550         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7551         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7552         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7553         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7554         with one of the new macros.
7555
7556 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7557
7558         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7559         Don't set save_return_addr_p.
7560         (s390_register_info): Make clobbered_regs not depending on
7561         save_return_addr_p.
7562
7563 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7564
7565         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7566         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7567
7568 2005-08-11  James E. Wilson  <wilson@specifix.com>
7569
7570         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7571
7572 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7573
7574         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7575         locations gathered by var-tracking in single entry loc_list
7576         over loc_descriptor_from_tree.
7577
7578         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7579         pass it down to loc_descriptor.
7580         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7581         (containing_function_has_frame_base): Move earlier in the file.
7582         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7583         instead of always assuming fbreg can't be used.
7584
7585 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7586
7587         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7588         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7589         Accept address wrapped in AND for Altivec.
7590         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7591         Strip AND wrapping offset address for Altivec.
7592
7593 2005-08-11  Richard Henderson  <rth@redhat.com>
7594
7595         PR middle-end/23312
7596         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7597         before using TYPE_IS_SIZETYPE.
7598
7599 2005-08-11  Richard Henderson  <rth@redhat.com>
7600
7601         PR target/22225
7602         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7603         insn types not present on ev4.
7604         (alphaev5_insn_pipe): Similarly.
7605
7606 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7607
7608         PR target/23250
7609         * arm.c (arm_override_options): If the user has selected callee-super-
7610         interworking, then enable normal interworking.
7611
7612 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7613
7614         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7615         redefinition.
7616
7617 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7618
7619         * doc/rtl.texi: Fix two typos.
7620
7621 2005-08-11  Richard Guenther  <rguenther@suse.de>
7622
7623         PR target/23289
7624         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7625         cases where we call to/from functions returning void.
7626
7627 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7628
7629         PR c++/23225
7630         * tree.c (build_pointer_type_for_mode): Robustify.
7631
7632 2005-08-10  James E Wilson  <wilson@specifix.com>
7633
7634         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7635         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7636
7637         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7638         "cum->".
7639
7640 2005-08-10  Eric Christopher  <echristo@apple.com>
7641
7642         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7643         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7644         V2DFmode.
7645
7646 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7647
7648         PR target/21887
7649         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7650         for the high part when generating dynamic-no-pic code.
7651
7652 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7653
7654         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7655         (x86_64-*-linux*): Likewise.
7656
7657         * config/i386/crtfastmath.c: New file.
7658         * config/i386/t-crtfm: Likewise.
7659
7660         * config/i386/linux.h (ENDFILE_SPEC): New.
7661         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7662
7663         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7664         crtfastmath.o.
7665
7666 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7667
7668         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7669         (vec_shl, vec_shr): Document new operations.
7670         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7671
7672 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7673
7674         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7675         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7676         change predicate to indexed_or_indirect_address.
7677
7678 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7679
7680         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7681         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7682         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7683         and __aeabi_uwrite8.
7684         * config/arm/unaligned-funcs.c: New file.
7685         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7686
7687 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7688
7689         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7690         Add dump.
7691         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7692         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7693         Add dump.
7694         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7695         * final.c (pass_shorten_branches): Add dump.
7696         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7697         (pass_life): Rename dump.
7698         (rest_of_handle_flow2): Remove initial verify_flow_info.
7699         * function.c (pass_instantiate_virtual_regs): Add dump.
7700         * integrate.c (pass_initial_value_sets): Add dump.
7701         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7702         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7703         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7704         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7705         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7706         gate_rtl_unrool_and_peel_loops): New.
7707         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7708         rtl_doloop): Do not look at flags.
7709         * mode-switching.c (pass_mode_switching): Add dump.
7710         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7711         pass_split_before_regstack): Add dump.
7712         * regmove.c (pass_stack_adjustments): Add dump.
7713         * tree-optimize.c (pass_fixup_cfg): Add dump.
7714
7715 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7716
7717         PR 23309
7718         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7719         deciding which instruction sequence to use.
7720
7721 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7722
7723         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7724         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7725
7726 2005-08-09  Richard Guenther  <rguenther@suse.de>
7727
7728         * c-common.c (builtin_function_2): Remove.
7729         (def_builtin_1): New function.
7730         (c_common_nodes_and_builtins): Use def_builtin_1 to
7731         build builtin functions.
7732
7733 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7734
7735         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7736         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7737         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7738         Visual DSP.
7739
7740 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7741
7742         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7743         fold_binary instead of fold_build2 since we don't care about the
7744         resulting tree.
7745         (loop_niter_by_eval): Likewise.
7746         (compare_trees): Likewise.
7747         (proved_non_wrapping_p): Likewise.
7748
7749 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7750
7751         PR c/23161
7752         PR c/23165
7753         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7754         if the if is really empty.
7755
7756 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7757
7758         PR tree-optimization/23234
7759         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7760         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7761         argument of the new enum.
7762         (execute_cse_reciprocals): Add reciprocals for function arguments
7763         on the unique successor edge of the entry block.  Update other calls
7764         to execute_cse_reciprocals_1.
7765
7766 2005-08-08  Richard Henderson  <rth@redhat.com>
7767
7768         PR 22439
7769         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7770
7771 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7772
7773         * expr.c (write_complex_part): Return after handling MEM.
7774
7775 2005-08-08  Josh Conner  <jconner@apple.com>
7776
7777         PR rtl-optimization/23241
7778         * combine.c (simplify_comparison): Fix error in determining
7779         whether to lift a subreg from comparison.
7780
7781 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7782
7783         PR target/18506
7784         * config/rs6000/altivec.md (vec_init<mode>): New.
7785         (vec_set<mode>): New.
7786         (vec_extract<mode>): New.
7787         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7788         (rs6000_expand_vector_set): New.
7789         (rs6000_expand_vector_extract): New.
7790         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7791         for Altivec modes before reload.
7792         (altivec_expand_vec_init_builtin): New.
7793         (get_element_number): New.
7794         (altivec_expand_vec_set_builtin): New.
7795         (altivec_expand_vec_ext_builtin): New.
7796         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7797         builtins.
7798         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7799         builtins.
7800         * config/rs6000/rs6000.h (rs6000_builtins): Add
7801         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7802         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7803         * config/rs6000/rs6000-protos.h: Declare new functions.
7804
7805 2005-08-08  Jan Hubicka  <jh@suse.cz>
7806
7807         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7808         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7809         * i386.md (movdi*): Use pic_32bit_operand.
7810         * predicates.md (pic_32bit_operand): New.
7811
7812 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7813
7814         PR c++/21166
7815         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7816
7817 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7818
7819         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7820         (test_for_singularity): Use fold_build2.
7821
7822 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7823
7824         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7825
7826 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7827
7828         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7829         (COMMON_ASM_OP) Define.
7830         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7831         (ix86_encode_section_info): Likewise.
7832         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7833         SUBTARGET_ENCODE_SECTION_INFO.
7834
7835 2005-08-06  Richard Henderson  <rth@redhat.com>
7836
7837         PR 21894
7838         * tree-nested.c (convert_local_reference): Save and restore val_only
7839         around component_ref and friends.  Clear walk_subtrees by default.
7840
7841 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7842
7843         PR 21366
7844         * gcc.c (process_command): Check the argument to -b has a dash.
7845         * doc/invoke.texi: Update -b and -V docs.
7846
7847 2005-08-06  James E Wilson  <wilson@specifix.com>
7848
7849         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7850
7851 2005-08-06  Michael Matz  <matz@suse.de>
7852
7853         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7854         member only if only one insn is associated with the value.
7855
7856 2005-08-06  Nick Clifton  <nickc@redhat.com>
7857
7858         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7859         New define.
7860         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7861         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7862         Check symbol flags instead of symbol name mangling.
7863         (xstormy16_asm_output_aligned_common): Likewise.  Also
7864         simplify code since the bss100_section cass is the only case
7865         where the below100 code will be triggered.
7866         (xstormy16_encode_section_info): Encode below100 attribute
7867         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7868         the name.
7869         (xstormy16_strip_name_encoding): Delete - this function is no
7870         longer needed.
7871         (TARGET_STRIP_NAME_ENCODING): Undefine.
7872         * config/stormy16/stormy16-protos.h: Delete prototype for
7873         xstormy16_strip_name_encoding.
7874
7875 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7876
7877         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7878         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7879         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7880         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7881         config/alpha/predicates.md, config/arc/arc.h,
7882         config/arm/arm.h, config/arm/ieee754-df.S,
7883         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7884         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7885         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7886         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7887         config/m68hc11/m68hc11.h, config/mips/mips.c,
7888         config/mips/mips.h, config/mips/openbsd.h,
7889         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7890         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7891         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7892         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7893         config/sparc/linux.h, config/sparc/linux64.h,
7894         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7895         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7896         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7897         typos.  Follow spelling conventions.
7898
7899 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7900
7901         PR c/23113
7902         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7903         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7904         specially.  Check for side effects only for COND_EXPR.
7905         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7906         return with TREE_NO_WARNING.
7907
7908 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7909
7910         PR rtl-optimization/23233
7911         * loop.c (combine_movables): Require the modes to be the same.
7912         (move_movables): Remove handling of cases where the replacement
7913         had a different mode to the original.
7914
7915 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7916
7917         PR tree-optimization/23128
7918         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7919         subtraction wrap, and set TREE_OVERFLOW if they do.
7920
7921 2005-08-05  Richard Henderson  <rth@redhat.com>
7922
7923         PR 21728
7924         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7925         FORCED_LABEL labels.
7926
7927 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7928
7929         PR middle-end/23135
7930         * reload.c (find_reloads_subreg_address): Pass down TYPE
7931         unchanged.  Change all callers except find_reloads_toplev.
7932
7933 2005-08-05  Michael Matz  <matz@suse.de>
7934
7935         * genattrtab.c (current_alternative_string): Remove.
7936         (SIMPLIFY_ALTERNATIVE): Ditto.
7937         (attr_alt_bit_p): Ditto.
7938         (alternative_name): Make const char *.
7939         (evaluate_eq_attr): Remove use of above things.
7940         (simplify_test_exp): Ditto.
7941         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7942         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7943
7944 2005-08-04  James E Wilson  <wilson@specifix.com>
7945
7946         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7947         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7948         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7949         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7950         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7951
7952 2005-08-04  Richard Henderson  <rth@redhat.com>
7953
7954         PR 21529
7955         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7956         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7957         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7958         if we'd have to instantiate too many members.
7959
7960 2005-08-04  Richard Henderson  <rth@redhat.com>
7961
7962         PR 21291
7963         * tree-outof-ssa.c (coalesce_asm_operands): New.
7964         (coalesce_ssa_name): Use it.  Split out ...
7965         (coalesce_phi_operands, coalesce_result_decls): ... these.
7966
7967 2005-08-04  Paul Brook  <paul@codesourcery.com>
7968
7969         * read-rtl.c (read_quoted_string): Break if EOF.
7970
7971 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7972
7973         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7974         (fold_build2): Likewise.
7975         (fold_build3): Likewise.
7976         (fold_build1_stat): New function prototype.
7977         (fold_build2_stat): Likewise.
7978         (fold_build3_stat): Likewise.
7979         * fold-const.c (fold_build1): Rename to ..
7980         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7981         through to build1_stat.
7982         (fold_build2): Rename to ..
7983         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7984         through to build2_stat.
7985         (fold_build3): Rename to ..
7986         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7987         through to build3_stat.
7988
7989 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7990             Ian Lance Taylor  <ian@airs.com>
7991
7992         * function.c (assign_stack_local_1): Do not correct stack slot
7993         address if allocation size is smaller than mode size.
7994
7995 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7996
7997         PR 22037
7998         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7999         (tree_merge_blocks): Propagate anything allowed by
8000         may_propagate_copy.
8001         Clarify documentation.
8002         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8003         SSA form, schedule an update if necessary.
8004
8005 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8006
8007         * doc/install.texi (Binaries): Remove broken link to
8008         Sinix/Reliant Unix binaries.
8009
8010 2005-08-03  Richard Henderson  <rth@redhat.com>
8011
8012         PR 23221
8013         * function.c (stack_protect_epilogue): Export.
8014         * tree.h (stack_protect_epilogue): Declare.
8015         * calls.c (expand_call): Call it.
8016
8017 2005-08-03  Eric Christopher  <echristo@apple.com>
8018
8019         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8020         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8021         spec.
8022
8023 2005-08-04  Jan Hubicka  <jh@suse.cz>
8024
8025         * profile.c (branch_prob): Split edges with goto locus on them
8026         to get proper line counts.
8027         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8028
8029 2005-08-03  Paul Brook  <paul@codesourcery.com>
8030
8031         * function.c (assign_parms): Round current_function_args_size
8032         to PARM_BOUNDARY, not STACK_BOUNDARY.
8033
8034 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8035
8036         * config/i386/i386.c (x86_elf_aligned_common)
8037         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8038
8039 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8040
8041         PR tree-optimization/23157
8042         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8043         before emitting them.
8044
8045 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8046
8047         PR tree-optimization/19899
8048         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8049         * tree-scalar-evolution.c: Include real.h.
8050         (add_to_evolution): Build constant -1 of correct type.
8051
8052 2005-08-03  Jan Hubicka  <jh@suse.cz>
8053
8054         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8055         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8056         profile updating for complette unrolling.
8057         * loop-unroll.c (peel_loop_completely): Use it.
8058         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8059         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8060         loops.
8061
8062 2005-08-03  Paul Brook  <paul@codesourcery.com>
8063
8064         * combine.c (can_change_dest_mode): New function.
8065         (try_combine, simplify_set): Use it.
8066
8067 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8068
8069         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8070         TFmode to BLKmode.
8071
8072 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8073
8074         * doc/install.texi (Specific): Adjust link to openavr.org.
8075         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8076         (Binaries): Adjust HP-UX Porting Center link.
8077         (Binaries): Adjust Free Software Foundation ordering link.
8078
8079 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8080
8081         * convert.c (convert_to_integer): Use fold_build1 instead of
8082         build1 when converting an integer to an integer.
8083
8084 2005-08-02  Richard Henderson  <rth@redhat.com>
8085
8086         * combine.c (combine_instructions): Don't use reg_equal/equiv
8087         results if the mode doesn't match.
8088
8089 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8090
8091         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8092         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8093
8094 2005-08-02  Richard Henderson  <rth@redhat.com>
8095
8096         PR 23196
8097         * explow.c (memory_address): Remove special-case for
8098         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8099
8100 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8101
8102         PR 23164
8103         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8104         number of calls to cleanup_tree_cfg_1.
8105
8106 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8107
8108         * doc/invoke.texi: document file extensions .F90 and .F95
8109
8110 2005-08-02  Richard Guenther  <rguenther@suse.de>
8111
8112         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8113         positive if its first argument is positive.
8114
8115 2005-08-02  Richard Guenther  <rguenther@suse.de>
8116
8117         PR tree-optimization/23177
8118         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8119         on TMR_TAG.
8120
8121 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8122
8123         PR tree-optimization/23129
8124         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8125         varying for divisions with anti-ranges.
8126
8127 2005-08-02  Jan Hubicka  <jh@suse.cz>
8128
8129         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8130         * tree-ssa-threadupdate.c (thread_block): Add it here.
8131
8132 2005-08-01  James E Wilson  <wilson@specifix.com>
8133
8134         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8135         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8136         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8137         New.
8138         * config/mips/predicates.md (const_call_insn_operand): Add check for
8139         SYMBOL_REF_LONG_CALL_P.
8140         * doc/extend.texi (long_call): Document the new attribute.
8141
8142 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8143             Richard Henderson  <rth@redhat.com>
8144
8145         * Makefile.in (RTL_BASE_H): Add real.h.
8146         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8147         instead of memcpy.
8148         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8149         directly.
8150         * rtl.c (rtl_check_failed_code_mode): New.
8151         * rtl.h (struct rtx_def): Add u.rv.
8152         (XCMWINT, XCNMPRV): New.
8153         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8154         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8155
8156 2005-08-01  Richard Henderson  <rth@redhat.com>
8157
8158         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8159         with auto-inc codes.
8160
8161         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8162
8163 2005-08-01  Jan Hubicka  <jh@suse.cz>
8164
8165         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8166         * i386.c: Include dwarf2.h
8167         (asm_preferred_eh_data_format): New.
8168         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8169
8170 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8171
8172         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8173         randomize_va_space for virtual address randomization control.
8174
8175 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8176
8177         * common.opt (flag_ipa_cp): Put in right place to maintain
8178         alphabetic sort.
8179
8180 2005-08-01  Jan Hubicka  <jh@suse.cz>
8181
8182         * profile.c (compute_value_histograms): Fix thinko.
8183         * value-prof.c: Include toplev.h
8184         (check_counter): New function.
8185         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8186         tree_mod_subtract_transform): Add sanity check.
8187
8188 2005-08-01  Richard Guenther  <rguenther@suse.de>
8189
8190         PR tree-optimization/23133
8191         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8192         current functions parameter decls to find defs to cse
8193         reciprocals of.
8194
8195 2005-08-01  Richard Guenther  <rguenther@suse.de>
8196
8197         PR tree-optimization/23109
8198         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8199         If trapping math is in effect, use post-dominator information
8200         to check if we'd in any case reach a trapping point before
8201         doing the reciprocal insertion.
8202         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8203         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8204         expressions are invariant only if trapping math is not in effect.
8205
8206 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8207
8208         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8209         cgraph_function_versioning): New declarations.
8210         * cgraphunit.c: Add include to ipa-prop.h.
8211         (update_call_expr, cgraph_copy_node_for_versioning,
8212         cgraph_function_versioning): New functions.
8213         * integrate.c (copy_decl_for_inlining): Remove.
8214         * ipa-prop.h (ipa_replace_map): New struct.
8215         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8216         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8217         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8218         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8219         ipcp_iterate_stage, ipcp_method_scale_print,
8220         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8221         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8222         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8223         ipcp_update_bb_counts, ipcp_update_profiling,
8224         ipcp_update_edges_counts): New functions.
8225         (ipcp_method_cval_init): Remove restriction regarding local methods.
8226         (ipcp_init_stage): Add ipcp_method_compute_scale.
8227         (ipcp_insert_stage): Add versioning.
8228         (ipcp_structures_print): Add ipcp_method_scale_print.
8229         (ipcp_driver): Dump profiling info.
8230         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8231         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8232         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8233         (struct inline_data): Add versioning_p, ipa_info, new fields.
8234         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8235         declare_return_variable): Replace calls to copy_decl_for_inlining with
8236         copy_decl_for_dup.
8237         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8238         versioning support.
8239         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8240         Add argument VERSIONING.
8241         (copy_arguments_for_versioning, copy_static_chain,
8242         function_versionable_p, tree_versionable_function_p,
8243         tree_function_versioning, replace_ref_tree): New functions.
8244         * tree-inline.h: Include varray.h.
8245         (tree_versionable_function_p,  tree_function_versioning,
8246         tree copy_decl_for_dup): New declarations.
8247
8248 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8249
8250         * ipa-cp.c: New file. Contains IPCP specific functionality.
8251         * ipa-prop.h: New file. Contains structures/definitions that can be
8252         used by several interprocedural data flow optimizations (and also IPCP).
8253         * ipa-prop.c: New file.
8254         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8255         * common.opt: Add ipa-cp flag.
8256         * timevar.def: Add IPCP optimization.
8257         * tree-optimize.c (init_tree_optimization_passes): Schedule
8258         pass_ipa_cp.
8259         * tree-pass.h (pass_ipa_cp): Declare.
8260
8261 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8262
8263         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8264         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8265         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8266         config/i386/i386.c, config/mips/mips.h,
8267         config/rs6000/rs6000.h, config/sh/sh.c,
8268         config/stormy16/stormy16.c: Fix comment typos.
8269
8270 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8271
8272         PR c/22311
8273         * c-typeck.c (build_binary_op): Use common_type wrapper on
8274         shortened types.
8275         (common_type): Update comment.
8276
8277 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8278
8279         PR target/23095
8280         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8281         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8282         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8283
8284 2005-07-31  Jan Hubicka  <jh@suse.cz>
8285
8286         * pretty-print.h (pp_widest_integer): New macro.
8287         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8288         counts.
8289
8290 2005-07-31  Jan Hubicka  <jh@suse.cz>
8291
8292         * output.h (enum section_category): Export from varasm.c
8293         (categorize_decl_for_section): Likewise.
8294         * varasm.c (enum section_category): Kill.
8295         (categorize_decl_for_section): Make global.
8296         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8297         Declare.
8298         * i386.c (ix86_section_threshold): New static variable.
8299         (ix86_in_large_data_p, ix86_encode_section_info,
8300         x86_64_elf_unique_section,
8301         x86_64_elf_select_section): New functions.
8302         (TARGET_ENCODE_SECTION_INFO): Define
8303         (override_options): Enable medium model for PIC.
8304         (ix86_expand_prologue): Expand gen_set_got_rex64.
8305         (legitimate_constant_p): Handle new UNSPECs.
8306         (legitimate_pic_address_disp_p): Likewise.
8307         (legitimize_pic_address): Lower MEDIUM model addressing.
8308         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8309         (enum cmodel): Add MEDIUM_PIC.
8310         (SYMBOL_REF_FAR_ADDR_P): New macro.
8311         (SYMBOL_FLAG_FAR_ADDR): New flag.
8312         * i386.md (movdi): Support medium model.
8313         (set_got_rex64): New pattern.
8314         * i386.opt (mlarge-data-threshold): New flag.
8315         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8316         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8317         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8318         TARGET_ASM_UNIQUE_SECTION): New.
8319
8320         * invoke.texi (-mlarge_data_threshold): Document
8321
8322 2005-07-31  Jan Hubicka  <jh@suse.cz>
8323
8324         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8325         (coalesce_vars): Likewise.
8326         * tree-ssa-live.c (coalesce_cost): New.
8327         (build_tree_conflict_graph): Use coalesce_cost.
8328         * tree-ssa-live.h (coalesce_cost): Declare.
8329
8330 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8331
8332         * arm.md (all peepholes for post-increment operations): Delete.
8333         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8334         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8335         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8336         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8337         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8338
8339 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8340
8341         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8342         non-integral types.
8343
8344 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8345
8346         PR target/22582
8347         * doc/invoke.texi: Document -rdynamic.
8348
8349 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8350
8351         PR c/23143
8352         * c-parser.c (c_parser_parms_list_declarator): Call
8353         mark_forward_parm_decls.
8354         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8355         decls with visibility structure.
8356
8357 2005-07-30  Paul Brook  <paul@codesourcery.com>
8358
8359         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8360
8361 2005-07-30  Paul Brook  <paul@codesourcery.com>
8362
8363         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8364         prototype.
8365         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8366         value for mode.
8367         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8368
8369 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8370
8371         PR c/529
8372         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8373         nested function declarators.
8374         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8375         (grokparms): Call warn_if_shadowing for parameters used within the
8376         parameter list.
8377         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8378         not used within the parameter list.
8379         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8380
8381 2005-07-30  Jan Hubicka  <jh@suse.cz>
8382
8383         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8384         * i386.c (ix86_fixup_binary_operands): Likewise.
8385         (ix86_expand_unary_operator): Likewise.
8386         (ix86_expand_fp_absneg_operator): Likewise.
8387         * optabs.c (expand_vec_cond_expr): Validate dest.
8388
8389 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8390
8391         PR c/21720
8392         * real.c (real_from_string): Also set last bit if there is a
8393         nonzero hex digit beyond GCC's internal precision after ".".
8394
8395 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8396
8397         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8398         define_constants.  Change duplicate values to unassigned numbers.
8399         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8400         (*altivec_vspltsf): New.
8401         (altivec_vperm_v4sf): Delete.
8402         (altivec_vperm_<mode>): Use mode macro V.
8403         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8404         (altivec_predicate_v4sf): Delete.
8405         (altivec_predicate_<mode>): Use mode macro V.
8406         (*altivec_lvesfx): New.
8407         (*altivec_stvesfx): New.
8408         (vec_realign_load_v4sf): Delete.
8409         (vec_realign_load_<mode>): Use mode macro V.
8410         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8411         UNSPECV_SET_VRSAVE.
8412
8413 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8414
8415         PR bootstrap/23131
8416         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8417         string.
8418         * configure: Regenerated.
8419
8420 2005-07-29  Paul Brook  <paul@codesourcery.com>
8421
8422         * doc/install.texi: Add link to GFortran binaries wiki page.
8423
8424 2005-07-29  David Ung  <davidu@mips.com>
8425
8426         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8427         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8428         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8429         * config/mips/mips.md (cpu): Add 5kf name.
8430         (includes): Includes 5k.md.
8431         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8432         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8433         -march flag.
8434
8435 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8436
8437         PR 22550
8438         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8439         (cleanup_tree_cfg): ... here.
8440         Call cleanup_tree_cfg_1 until there are no more cleanups to
8441         do.
8442
8443 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8444
8445         * tree-vrp.c (compare_range_with_value): Return true or false
8446         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8447         EQ_EXPR respectively.
8448
8449 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8450
8451         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8452         Fix comment typos.
8453
8454 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8455
8456         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8457         (tree_ssa_dominator_optimize): Increment it.
8458         (dump_dominator_optimization_stats): Print it.
8459
8460 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8461             Steven Bosscher  <stevenb@suse.de>
8462
8463         PR rtl-optimization/23117
8464         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8465         when head == tail.  Tidy comment.
8466
8467 2005-07-28  Richard Henderson  <rth@redhat.com>
8468
8469         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8470         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8471         * jump.c (rtx_renumbered_equal_p): Likewise.
8472         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8473         CONST_INT and CONST_DOUBLE.
8474         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8475         * reload.c (operands_match_p): Special case CONST_INT and
8476         CONST_DOUBLE; check mode earlier.
8477
8478 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8479
8480         PR c/22240
8481         * c-typeck.c (convert_for_assignment): Do not check
8482         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8483
8484 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8485
8486         PR c/22192
8487         * c-typeck.c (composite_type): Prefer constant size arrays to
8488         VLAs.
8489
8490 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8491
8492         PR c/21720
8493         * real.c (real_from_string): Set last bit if there is a nonzero
8494         hex digit beyond GCC's internal precision.
8495
8496 2005-07-28  Richard Henderson  <rth@redhat.com>
8497
8498         PR rtl-opt/22619
8499         * cfgcleanup.c (try_forward_edges): Watch out for end of
8500         insn chain.
8501
8502 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8503
8504         PR c/23106
8505         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8506
8507 2005-07-28  Jan Hubicka  <jh@suse.cz>
8508
8509         * Makefile.in (rtl-profile.o): Kill all traces of it.
8510         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8511         * coverage.h (rtl_coverage_counter_ref): Kill.
8512         * opts.c (flag_speculative_prefetching_set): Kill.
8513         (flag_loop_optimize_set): New.
8514         (common_handle_option): Disable loop optimizer when profiling;
8515         do not handle speculative prefetching.
8516         * passes.c (init_optimization_passes): Replace pass_profiling combo
8517         by branch_prob pass.
8518         * profile.c (compute_value_histograms): Update for simplified value
8519         profiles.
8520         (rtl_register_profile_hooks): Kill.
8521         (pass_profiling): Kill.
8522         (rest_of_handle_branch_prob): Do not profile.
8523         * toplev.c (process_options): Remove speculative prefetching.
8524         * toplev.h (flag_tree_based_profiling): Kill.
8525         * tree-profile.c (prepare_instrumented_value,
8526         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8527         tree_gen_one_value_profiler, do_tree_profiling): Update for
8528         simplified datastructures.
8529         * value-prof.c: Add comment that speculative prefetching was dropped;
8530         update rest of file for simplified datastructures.
8531         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8532         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8533         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8534         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8535         rtl_mod_subtract, gen_speculative_prefetch,
8536         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8537         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8538         (gate_handle_value_profile_transformations,
8539         rest_of_handle_value_profile_transformations,
8540         pass_value_profile_transformations): Kill.
8541         * value-prof.h (histogram_value_t): Remove IL based unions.
8542         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8543         rtl_profile_hooks): Remove hooks.
8544
8545         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8546
8547         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8548         (cgraph_clone_node): Likewise.
8549         * cgraph.h (cgraph_clone_edge): Update prototype.
8550         (cgraph_clone_node): Likewise.
8551         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8552         cgraph_clone_node.
8553         (lookup_recursive_calls): Consider profile.
8554         (cgraph_decide_recursive_inlining): Fix updating; use new
8555         probability argument; use profile.
8556         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8557         * tree-inline.c (copy_bb): Update clal of clone_edge.
8558         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8559
8560         * invoke.texi (min-inline-recursive-probability): Document.
8561
8562 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8563
8564         * doc/install.texi (Configuration): Update Valgrind homepage.
8565
8566 2005-07-28  Richard Henderson  <rth@redhat.com>
8567
8568         PR middle-end/21362
8569         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8570         labels we want to delete.
8571         (cfg_layout_merge_blocks): Likewise.
8572
8573 2005-07-28  Richard Henderson  <rth@redhat.com>
8574
8575         PR target/17692
8576         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8577         when expanding to nothing.
8578
8579 2005-07-28  Josh Conner  <jconner@apple.com>
8580
8581         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8582         (cgraph_decide_inlining_of_small_functions): Likewise.
8583
8584 2005-07-28  Josh Conner  <jconner@apple.com>
8585
8586         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8587         direction of badness if negative.
8588         (cgraph_default_inline_p): Add reason to parameters, and assign it
8589         a value.
8590         (cgraph_decide_inlining_of_small_functions): New parameter in call
8591         to cgraph_default_inline_p.
8592         (cgraph_decide_inlining_incrementally): Likewise.
8593         * cgraphunit.c (decide_is_function_needed): Likewise.
8594         * cgraph.h (cgraph_default_inline_p): Likewise.
8595
8596 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8597
8598         * builtins.c: Fix comment typo(s).
8599         * genautomata.c: Likewise.
8600         * gimplify.c: Likewise.
8601         * tree-dfa.c: Likewise.
8602         * tree-flow-inline.h: Likewise.
8603         * tree-into-ssa.c: Likewise.
8604         * tree-ssa-alias.c: Likewise.
8605         * tree-ssa-ccp.c: Likewise.
8606         * tree-ssa-copy.c: Likewise.
8607         * tree-ssa-dce.c: Likewise.
8608         * tree-ssa-dom.c: Likewise.
8609         * tree-ssa-operands.c: Likewise.
8610         * tree-tailcall.c: Likewise.
8611         * tree-vectorizer.c: Likewise.
8612         * tree-vrp.c: Likewise.
8613         * tree.c: Likewise.
8614
8615 2005-07-28  Jeff Law  <law@redhat.com>
8616
8617         * tree-vrp.c (test_for_singularity): Extracted from  ...
8618         (simplify_cond_using_ranges): Attempt to simplify a relational
8619         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8620
8621 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8622
8623         PR tree-optimization/22506
8624         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8625         phis whose argument is constant.
8626
8627 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8628
8629         PR rtl-optimization/18992
8630         Back out this patch:
8631           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8632           PR optimization/12142
8633           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8634           uses of the register in the SET_SRC.  Remove unnecessary argument.
8635
8636         Replace it with this:
8637         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8638         if flag_non_call_exceptions is set and the insn may trap, pass
8639         pc_rtx as dest for recursion.
8640         In SET_SRC part of SET case, if dest is already set, pass it down
8641         unchanged.
8642
8643 2005-07-28  Jan Hubicka  <jh@suse.cz>
8644
8645         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8646         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8647         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8648         roundoff errors.
8649         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8650         profile when available.
8651
8652 2005-07-28  Jan Beulich <jbeulich@novell.com>
8653
8654         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8655         (ia64_print_operand): Describe and handle 'X'.
8656         (ia64_register_move_cost): Also handle FP_REGS.
8657         (ia64_preferred_reload_class): Likewise.
8658         (ia64_secondary_reload_class): Likewise.
8659         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8660         it. Also check for ITANIUM_CLASS_FLDP.
8661         * config/ia64/ia64.h (FP_REGNO_P): New.
8662         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8663         (reg_class): Add FP_REGS.
8664         (REG_CLASS_NAMES): Adjust for it.
8665         (REG_CLASS_CONTENTS): Likewise.
8666         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8667         (REG_CLASS_FROM_LETTER): Handle 'x'.
8668         (CLASS_MAX_NREGS): Handle FP_REGS.
8669         (MEMORY_MOVE_COST): Likewise.
8670         * config/ia64/ia64.md (itanium_class): Add fldp.
8671         (type): Handle fldp.
8672         (movti_internal): More allowable operand combinations. Use ldfp8 when
8673         splitting unnecessary. Remove predicable attribute. Adjust
8674         itanium_class attribute.
8675         (smuldi3_highpart): Remove outdated comment.
8676         (mulditi3, umulditi3, rotlti3): New expanders.
8677         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8678         (absti2): Disabled new insn for future reference.
8679         Respective new splitters.
8680         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8681         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8682         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8683
8684 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8685
8686         PR rtl-optimization/23047
8687         * simplify-rtx.c (simplify_const_relational_operation): Respect
8688         flag_wrapv for comparisons with ABS.
8689
8690 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8691
8692         PR tree-optimization/22493
8693         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8694         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8695
8696 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8697
8698         * config/frv/frv.opt (moptimize-membar): New.
8699
8700         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8701
8702         * config/frv/frv.h: Remove machine_function definition.
8703
8704         * config/frv/frv.c (struct frv_io): New.
8705         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8706         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8707         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8708         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8709         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8710         (frv_reorg): Call frv_optimize_membar when appropriate.
8711         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8712         (frv_expand_builtin): Adjust calls accordingly.
8713         (frv_io_address_cookie): New function.
8714         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8715         load or store rather than a special insn.  Add ccnstant address and
8716         io-type operands to the membar.
8717         (frv_ifcvt_modify_tests): Unsign regno.
8718         (frv_ifcvt_modify_tests): Same.
8719
8720         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8721         UNSPEC_OPTIONAL_MEMBAR constant.
8722         (builtin_read_<mode>): Delete.
8723         (builtin_write_<mode>): Delete.
8724         ("optional_membar_<mode>"): Add operand.
8725
8726         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8727         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8728         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8729         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8730         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8731         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8732         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8733         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8734         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8735
8736 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8737
8738         * df.c (df_uses_record): Handle SCRATCH.
8739
8740 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8741
8742         PR debug/20161
8743         * passes.c (rest_of_decl_compilation): If decl is a type and
8744         we have encountered errors, don't emit debug information.
8745
8746 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8747
8748         * params.def: Fixed comment.
8749
8750 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8751
8752         PR target/19885
8753         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8754         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8755         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8756
8757 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8758
8759         PR c++/22003
8760         * varasm.c (assemble_start_function): Don't do anything that may
8761         require a CFG if the current function is a thunk.
8762
8763 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8764
8765         * doc/install.texi (Prerequisites): Mention that perl is needed
8766         to do export control in libstdc++ targetting Darwin.
8767
8768 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8769
8770         PR rtl-optimization/17808
8771         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8772         (sched_insns_conditions_mutex_p): Split out from...
8773         (add_dependence): ...here.  But don't call it from here.
8774         (add_dependence_list): Check sched_insns_conditions_mutex_p
8775         before calling add_dependence.
8776         (add_dependence_list_and_free): Likewise.
8777         (fixup_sched_groups): Likewise.
8778         (sched_analyze_1): Likewise.
8779         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8780         (sched_analyze): Likewise.
8781         (sched_analyze_insn): Likewise.
8782         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8783         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8784         dependencies on all COND_EXEC insns to jumps ending basic blocks
8785         when doing intrablock scheduling.
8786         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8787
8788 2005-07-27  Jeff Law  <law@redhat.com>
8789
8790         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8791         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8792         equivalency sets, correctly handle the case were vr0 has an
8793         equivalency set, but vr1 does not.
8794
8795 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8796
8797         PR tree-optimization/23073
8798         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8799         vect_print_dump_info before fprintf.
8800
8801 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8802
8803         PR tree-optimize/22348
8804         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8805         Fold the partial computation.
8806
8807 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8808
8809         PR tree-optimization/22325
8810         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8811         Declare.
8812         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8813         value replacement.
8814         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8815         (force_var_cost): ... this function.
8816         (compute_phi_arg_on_exit): Export.
8817
8818 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8819
8820         PR tree-optimization/20773
8821         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8822         edge.
8823
8824 2005-07-27  Richard Guenther  <rguenther@suse.de>
8825
8826         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8827         Avoid pushing again if current struct contains only
8828         fields we decomposed.
8829
8830 2005-07-27  Jan Hubicka  <jh@suse.cz>
8831
8832         PR tree-optimization/22574
8833         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8834         not available.
8835
8836         * tree-tailcall.c (decrease_profile): New function.
8837         (eliminate_tail_call): Use it.
8838
8839         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8840         visibility flags correctly in whole program mode.
8841
8842 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8843
8844         PR rtl-optimization/22472
8845         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8846
8847 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8848
8849         PR tree-optimization/22504
8850         * tree-complex.c (expand_complex_addition): Use 'code' instead
8851         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8852
8853 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8854
8855         * config.gcc (cpu_type): Add frv case.
8856         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8857         (supported_defaults): Add fr550 case.
8858
8859 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8860
8861         PR 22591
8862         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8863         whether a pointer of type T * may point to objects of type T *.
8864
8865 2005-07-26  DJ Delorie  <dj@redhat.com>
8866
8867         * configure: Regenerate.
8868
8869 2005-07-26  Dale Johannesen  <dalej@apple.com>
8870
8871         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8872
8873 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8874
8875         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8876         Clarify use of "build" in name.
8877
8878 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8879
8880         * doc/extend.texi (Raw read/write Functions): New section.
8881         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8882         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8883         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8884         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8885         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8886         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8887         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8888         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8889         * config/frv/frv.c: Add bdesc_loads global.
8890         Add bdesc_stores global.
8891         (frv_init_builtins): Add support for __builtin_{read/write}*.
8892         (frv_volatile_memref): New.
8893         (frv_expand_load_builtin): New.
8894         (frv_expand_store_builtin): New.
8895         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8896         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8897         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8898         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8899         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8900         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8901         (builtin_read_<mode>): New.
8902         (builtin_write_<mode>): New.
8903         (builtin_write64): New.
8904         (optional_membar_<mode>): New.
8905
8906 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8907
8908         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8909         (rather than units) against HOST_BITS_PER_WIDE_INT.
8910
8911 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8912
8913         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8914         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8915         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8916         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8917         FSF address.
8918
8919         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8920         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8921         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8922         comment typos.
8923         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8924
8925 2005-07-26  Richard Guenther  <rguenther@suse.de>
8926
8927         PR tree-optimization/22486
8928         * fold-const.c (fold_unary): Fold away useless component
8929         references of the form (T *)&T.x, if the address
8930         doesn't change.
8931
8932 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8933
8934         * dwarf2out.c (add_call_src_coords_attributes): New.
8935         (gen_inlined_subroutine_die): Call it.
8936         (maybe_emit_file, init_file_table): Add comments.
8937         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8938         maybe_emit_file.
8939         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8940         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8941         * tree.h (BLOCK_SOURCE_LOCATION): New.
8942         (struct tree_block): New field locus.
8943
8944 2005-07-26  Andreas Schwab  <schwab@suse.de>
8945
8946         PR rtl-optimization/23043
8947         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8948         when allocating a struct unoccr.
8949
8950 2005-07-25  Richard Henderson  <rth@redhat.com>
8951
8952         PR 22626
8953         * tree-complex.c (gate_no_optimization): True if errors.
8954         * Makefile.in (tree-complex.o): Update dependencies.
8955
8956 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8957
8958         * config/frv/predicates.md (integer_register_operand): Use
8959         GPR_AP_OR_PSEUDO_P.
8960
8961 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8962
8963         PR tree-opt/22484
8964         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8965         after fold.
8966         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8967
8968 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8969
8970         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8971         types when flag_unsafe_math_optimizations is true.
8972
8973 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8974
8975         * gcc.c (option_map): Add --sysroot.
8976         (process_command): Handle --sysroot.
8977         (display_help): Document it.
8978         * doc/cppopts.tex (-isysroot): Document.
8979         * doc/invoke.texi (--sysroot): Document.
8980         * doc/install.texi (--with-build-sysroot): Document.
8981
8982         * Makefile.in (inhibit_libc): New variable.
8983         (INHIBIT_LIBC_CFLAGS): Likewise.
8984         (LIBGCC2_CFLAGS): Include
8985         $(INHIBIT_LIBC_CFLAGS).
8986         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8987         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8988         ($(T)crtend.o): Likewise.
8989         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8990         ($(T)crtendS.o): Likewise.
8991         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8992         ($(T)crtendT.o): Likewise.
8993         (stmp-fixinc): Do not complain about missing headers if
8994         inhibit_libc.
8995         * configure.ac (inhibit_libc): Set it to true/false.
8996         (--with-build-sysroot): New option.  Use it to set
8997         SYSTEM_HEADER_DIR.
8998         * configure: Regenerated.
8999
9000 2005-07-25  Manfred Hollstein  <mh@suse.com>
9001
9002         * calls.c (store_one_arg): Fix unsigned comparison warning.
9003
9004 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9005
9006         PR other/22337
9007         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9008         (ggc_print_statistics): Initialize variable before use.
9009
9010 2005-07-25  Richard Guenther  <rguenther@suse.de>
9011
9012         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9013         calling with a PHI_NODE argument.
9014
9015         * tree-flow-inline.h (overlap_subvar): Protect against
9016         possible overflow.
9017
9018 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9019
9020         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9021         * configure: Regenerate.
9022
9023 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9024
9025         * expr.c (highest_pow2_factor): Make extern.
9026         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9027         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9028         record_array_differ_p, array_ptr_differ_p): Likewise.
9029         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9030         additional cases. Call the above functions.
9031         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9032         base_object_differ_p when there are two base objects. Otherwise, compare
9033         base address and offset. Call may_alias_p.
9034         (dump_data_reference): Use a correct field name.
9035         (analyze_array): Make static. Initialize new data-ref fields.
9036         (analyze_indirect_ref): New function.
9037         (init_data_ref): Initialize new data-ref fields.
9038         (strip_conversion): Moved from tree-vect-analyze.c.
9039         (analyze_offset_expr, get_ptr_offset, address_analysis,
9040         object_analysis): Likewise.
9041         (analyze_offset): New function.
9042         (create_data_ref): Likewise.
9043         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9044         dimensions for ARRAY_REFs only.
9045         (build_classic_dist_vector): Make static.
9046         (access_functions_are_affine_or_constant_p): Call macro to get the
9047         address of access functions.
9048         (compute_all_dependences): Add new parameter
9049         compute_self_and_read_read_dependences. Compute self and read-read
9050         dependences if it is true.
9051         (find_data_references_in_loop): Call create_data_ref. Initialize new
9052         data-ref fields.
9053         (compute_data_dependences_for_loop): Add new parameter
9054         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9055         compute nb_loops. Call compute_all_dependences,
9056         build_classic_dist_vector and build_classic_dir_vector with correct
9057         parameters.
9058         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9059         with correct parameters. Compare dimensions for ARRAY_REFs only.
9060         (free_data_refs): Call macro to free access functions.
9061         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9062         fields from stmt_vinfo.
9063         (struct base_object_info): New structure.
9064         (struct data_reference): Move fields to base_object_info. Add fields
9065         first_location and object_info for above structures. Move fields from
9066         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9067         aligned_to.  Add macros to access the new fields.
9068         Update functions declarations.
9069         * tree-flow.h (is_aliased_with): Declare.
9070         * tree-loop-linear.c (linear_transform_loops): Call
9071         compute_data_dependences_for_loop with correct parameters.
9072         * tree-ssa-alias.c (is_aliased_with): New function.
9073         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9074         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9075         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9076         vect_base_addr_differ_p, compute_subscript_distance and
9077         build_classic_dist_vector. Add printings. Check absolute value of
9078         distance.
9079         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9080         data-refs.
9081         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9082         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9083         to bytes. Add printing.
9084         (vect_compute_data_refs_alignment): Go through loads and stores in one
9085         loop.
9086         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9087         vect_analyze_data_ref_access): Likewise.
9088         (vect_analyze_pointer_ref_access): Remove.
9089         (vect_address_analysis, vect_object_analysis): Likewise.
9090         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9091         and analyze data-refs in the loop.
9092         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9093         fields of data-ref instead of stmt. Add init to the offset from the
9094         base.
9095         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9096         (vect_update_init_of_dr): Likewise.
9097         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9098         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9099         removed fields.
9100         (new_loop_vec_info): Initialize new fields.
9101         (destroy_loop_vec_info): Free new fields.
9102         (vect_strip_conversion): Remove.
9103         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9104         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9105         datarefs. Add new field ddrs.
9106         Add macros for the new fields access.
9107         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9108         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9109         Remove their macros.
9110         * tree.h (highest_pow2_factor): Declare.
9111
9112 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9113
9114         * calls.c (store_one_arg): Check for sibling call MEM arguments
9115         from already clobbered incoming argument area.
9116
9117 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9118
9119         * c-common.c (check_missing_format_attribute): New.
9120         * c-common.h (check_missing_format_attribute): Likewise.
9121         * c-typeck.c (convert_for_assignment): Use it.
9122
9123 2005-07-24  Andreas Schwab  <schwab@suse.de>
9124
9125         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9126         register use a word move.  Correct operand of ext.w in 68000 code.
9127
9128 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9129
9130         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9131         variables as declarations, rather than definitions.
9132
9133 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9134
9135         PR tree-optimization/22526
9136         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9137         of the zero node.
9138
9139 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9140
9141         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9142         that C99 reserve for future use. Use it to define clog10,
9143         clog10f and clog10l.
9144
9145 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9146
9147         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9148         * configure.ac: Check for -Wmissing-format-attribute.
9149
9150         * configure: Regenerate.
9151
9152 2005-07-23  Richard Henderson  <rth@redhat.com>
9153
9154         PR tree-optimization/22623
9155         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9156
9157 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9158
9159         PR target/22577
9160         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9161
9162 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9163
9164         * Makefile.in (C_TREE_H): Update dependencies.
9165         * c-tree.h: Include toplev.h.
9166         * diagnostic.h (diagnostic_set_info): Add format attribute.
9167         * rtl-error.c (diagnostic_for_asm): Likewise.
9168
9169 2005-07-23  Chao-ying Fu  <fu@mips.com>
9170
9171         * config/mips/mips-dsp.md: New file.
9172         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9173         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9174         functions.
9175         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9176         MIPS_BUILTIN_BPOSGE32.
9177         (mips_expand_builtin_direct): Add one parameter to indicate that
9178         builtin functions need to return a value.
9179         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9180         functions.
9181         (mips_regno_to_class): Add classes for 12 new DSP registers.
9182         (mips_subword): Change to check four HI registers.
9183         (mips_output_move): Output move to and from 6 new DSP accumulators.
9184         (override_options): Make sure -mdsp and -mips16 are not used together.
9185         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9186         for machine modes.
9187         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9188         when !TARGET_DSP.
9189         (print_operand): Add 'q' for printing DSP accumulators.
9190         (mips_cannot_change_mode_class): Check ACC_REGS.
9191         (mips_secondary_reload_class): Check ACC_REGS.
9192         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9193         (mips_register_move_cost): Check ACC_REGS.
9194         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9195         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9196         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9197         (dsp_bdesc): New array.
9198         (bdesc_arrays): Add DSP builtin function table.
9199         (mips_prepare_builtin_arg): Check predicate again after
9200         copy_to_mode_reg.
9201         (mips_expand_builtin): Add one more parameter to
9202         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9203         MIPS_BUILTIN_BPOSGE32.
9204         (mips_init_builtins): Initialize new function types.
9205         (mips_expand_builtin_direct): Check if builtin functions need to
9206         return a value and pass operands properly.
9207         (mips_expand_builtin_bposge): New function.
9208         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9209         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9210         (FIRST_PSEUDO_REGISTER): Increase to 188.
9211         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9212         Update for 12 new DSP registers.
9213         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9214         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9215         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9216         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9217         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9218         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9219         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9220         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9221         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9222         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9223         (REGISTER_NAMES): Add names for 12 new DSP registers.
9224         * config/mips/mips.md: Include mips-dsp.md.
9225         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9226         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9227         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9228         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9229         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9230         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9231         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9232         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9233         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9234         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9235         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9236         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9237         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9238         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9239         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9240         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9241         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9242         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9243         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9244         (UNSPEC_RDDSP): New constants.
9245         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9246         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9247         A<-d alternative.
9248         * config/mips/mips.opt (-mdsp): New option.
9249         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9250         (reg_imm10_operand): New predicates.
9251         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9252         * doc/invoke.texi (-mdsp): Document new option.
9253
9254 2005-07-22  DJ Delorie  <dj@redhat.com>
9255
9256         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9257         to warning calls.
9258         * tree-inline.c (inlinable_function_p): Likewise.
9259
9260 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9261
9262         PR debug/21828
9263         * toplev.c (check_global_declarations): Do not mark undefined
9264         variables as DECL_IGNORED_P.
9265         * varasm.c (first_global_object_name): GTY it.
9266         (weak_global_object_name): Likewise.
9267         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9268         a string to go into {weak,first}_global_object_name.
9269
9270 2005-07-22  DJ Delorie  <dj@redhat.com>
9271
9272         * c-format.c (check_function_format): Change warning control
9273         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9274
9275 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9276
9277         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9278         &PTR->FLD a dereference of PTR.
9279         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9280         a potential dereference of PTR.
9281
9282 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9283
9284         PR rtl-optimization/20370
9285         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9286         call allocate_reg_info if necessary.
9287
9288         PR rtl-optimization/21848
9289         * calls.c (emit_library_call_value_1): For const functions, add
9290         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9291
9292         PR rtl-optimization/22445
9293         * cselib.c (target.h): Include.
9294         (rtx_equal_for_cselib_p): Allow commutative matches.
9295         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9296         Remove MODE parameter.  Changed all callers.
9297
9298         PR rtl-optimization/22258
9299         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9300         New functions.
9301         (try_combine): Use likely_spilled_retval_p.
9302
9303 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9304
9305         * config.gcc: Add crx-elf support.
9306
9307         * doc/contrib.texi: Mention crx.
9308         * doc/extend.texi: Document crx extensions.
9309         * doc/install.texi: Document crx install.
9310         * doc/invoke.texi: Document crx options.
9311         * doc/md.texi: Document crx constraints.
9312
9313         * config/crx/crx-protos.h: New file.
9314         * config/crx/crx.c: New file.
9315         * config/crx/crx.h: New file.
9316         * config/crx/crx.md: New file.
9317         * config/crx/crx.opt: New file.
9318         * config/crx/t-crx: New file.
9319
9320 2005-07-22  Manfred Hollstein  <mh@suse.com>
9321
9322         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9323         warnings.
9324         (int_add_graph_edge): Likewise.
9325         (collapse_nodes): Likewise.
9326         (process_unification_queue): Likewise.
9327
9328 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9329             Laurent GUERBY  <laurent@guerby.net>
9330
9331         PR tree-optimization/22336
9332         * function.c (record_block_change): Check for
9333         cfun->ib_boundaries_block.
9334
9335 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9336
9337         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9338         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9339
9340 2005-07-21  DJ Delorie  <dj@redhat.com>
9341
9342         * toplev.c (warn_deprecated_use): Add warning control to warning
9343         call.
9344         * c-typeck.c (parser_build_binary_op): Likewise.
9345         (c_finish_if_stmt): Likewise.
9346         * c-common.c (check_function_sentinel): Likewise.
9347         (check_nonnull_arg): Likewise.
9348
9349 2005-07-21  Richard Henderson  <rth@redhat.com>
9350
9351         PR tree-opt/22504
9352         * tree-complex.c (complex_ssa_name_components): New.
9353         (cvc_lookup): Allow entry not found.
9354         (create_components): Remove.
9355         (create_one_component_var, get_component_var): New.
9356         (get_component_ssa_name, set_component_ssa_name): New.
9357         (extract_component): Use get_component_ssa_name.
9358         (update_complex_components): Use set_component_ssa_name.
9359         (update_complex_components_on_edge): Likewise.
9360         (update_phi_components): Create new PHI nodes directly, instead
9361         of adding insns to edges.
9362         (tree_lower_complex): Allocate and free complex_variable_components
9363         and complex_ssa_name_components here.
9364
9365 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9366
9367         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9368         revert to returning false.
9369
9370 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9371
9372         PR target/21149
9373         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9374
9375 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9376
9377         PR target/22576
9378         * config/i386/i386.md (cmpxf): Change operand constraints
9379         to "nonmemory_operand".
9380
9381 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9382
9383         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9384
9385 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9386
9387         PR middle-end/21180
9388         * fold-const.c (fold_build1): Add checksum for the operands.
9389         (fold_build2): Likewise.
9390         (fold_build3): Likewise.
9391
9392 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9393
9394         PR middle-end/19055
9395         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9396
9397 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9398
9399         * common.opt (-fforward-propagate): Committed by mistake,
9400         removed.
9401
9402 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9403
9404         * reg-stack.c: Fix comment typo(s).
9405         * tree-ssa-operands.c: Likewise.
9406         * tree-vectorizer: Likewise.
9407
9408 2005-07-21  Nick Clifton  <nickc@redhat.com>
9409
9410         * config/sh/symbian.c: Replace C++ style line comments with C
9411         style line comments.
9412         (symbian_add_attribute): Do not use a ? operator on the LHS of
9413         an assignment.
9414         (sh_symbian_handle_dll_attribute): Change the type of the
9415         method vector to "VEC(tree,gc)*" and use vector accessor
9416         macros to walk over the elements.
9417         (symbian_export_vtable_and_rtti_p): Likewise.
9418         (symbian_class_needs_attribute_p): Likewise.
9419
9420 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9421
9422         PR target/22085
9423         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9424         initialize targetm.resolve_overloaded_builtin here.
9425         (altivec_expand_overloaded_builtin): Make it non-static.
9426         * config/rs6000/rs6000-protos.h
9427         (altivec_expand_overloaded_builtin): New prototype.
9428         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9429         targetm.resolve_overloaded_builtin here.
9430         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9431
9432 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9433             Zdenek Dvorak  <dvorakz@suse.cz>
9434
9435         PR tree-optimization/19210
9436         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9437         New.
9438         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9439         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9440         rely on unproven assumptions.
9441         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9442         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9443         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9444         to number_of_iterations_exit.
9445         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9446         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9447         * tree-ssa-loop-niter.c (find_loop_niter,
9448         estimate_numbers_of_iterations_loop): Likewise.
9449         (number_of_iterations_exit): Honor the new options.
9450         * doc/invoke.texi (Wunsafe-loop-optimizations,
9451         funsafe-loop-optimizations): Document them.
9452
9453 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9454
9455         PR rtl-optimization/22167
9456         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9457
9458 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9459
9460         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9461         __do_global_dtors_aux longcall.
9462
9463 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9464
9465         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9466         (old_special_pred_table): Don't reference
9467         SPECIAL_MODE_PREDICATES.
9468         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9469         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9470         * config/sh/predicates.h: Don't mention
9471         SPECIAL_MODE_PREDICATES.
9472         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9473         Remove.
9474
9475 2005-07-20  DJ Delorie  <dj@redhat.com>
9476
9477         * config.gcc: Add m32c-elf support.
9478
9479         * doc/contrib.texi: Mention m32c.
9480         * doc/extend.texi: Document m32c extensions.
9481         * doc/install.texi: Mention m32c.
9482         * doc/invoke.texi: Document m32c options.
9483         * doc/md.texi: Document m32c constraints.
9484
9485         * config/m32c/addsub.md: New file.
9486         * config/m32c/bitops.md: New file.
9487         * config/m32c/cond.md: New file.
9488         * config/m32c/jump.md: New file.
9489         * config/m32c/m32c-lib1.S: New file.
9490         * config/m32c/m32c-lib2.c: New file.
9491         * config/m32c/m32c-modes.def: New file.
9492         * config/m32c/m32c-pragma.c: New file.
9493         * config/m32c/m32c-protos.h: New file.
9494         * config/m32c/m32c.abi: New file.
9495         * config/m32c/m32c.c: New file.
9496         * config/m32c/m32c.h: New file.
9497         * config/m32c/m32c.md: New file.
9498         * config/m32c/m32c.opt: New file.
9499         * config/m32c/minmax.md: New file.
9500         * config/m32c/mov.md: New file.
9501         * config/m32c/muldiv.md: New file.
9502         * config/m32c/predicates.md: New file.
9503         * config/m32c/prologue.md: New file.
9504         * config/m32c/shift.md: New file.
9505         * config/m32c/t-m32c: New file.
9506
9507 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9508
9509         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9510         (stack_protect_set, stack_protect_test): New expanders.
9511         (stack_protect_set_si, stack_protect_set_si_media,
9512         stack_protect_set_di_media, stack_protect_test_si,
9513         stack_protect_test_si_media, stack_protect_test_di_media):
9514         New insns.
9515
9516 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9517
9518         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9519
9520 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9521
9522         * tree.h (tree_expr_nonzero_p): Export.
9523         * fold-const.c (tree_expr_nonzero_p): Likewise.
9524         Return true for CALL_EXPRs that are alloca calls.
9525         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9526         against zero.
9527         * tree-flow.h (expr_computes_nonzero): Remove.
9528         * tree-vrp.c (expr_computes_nonzero): Remove.
9529         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9530         (extract_range_from_unary_expr): Likewise.
9531         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9532         tree_expr_nonzero_p.
9533
9534 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9535
9536         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9537         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9538         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9539         All callers changed.
9540         (frame_related_constant_load): New arg "related" which controls
9541         setting of RTX_FRAME_RELATED_P.  All callers changed.
9542         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9543         (bfin_expand_prologue): Add stack limit checking.
9544         * config/bfin/bfin.md (trapifcc): New pattern.
9545
9546         * config/bfin/bfin.c: Include "langhooks.h".
9547         (def_builtin): Go through lang_hooks to call builtin_function.
9548
9549         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9550         * config/bfin/predicates.md (symbol_ref_operand): New.
9551         (call_insn_operand): Delete.  All callers changed to use
9552         register_no_elim_operand.
9553         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9554         call_cookie field.
9555         (function_arg): Use it to generate the call's operand 2.
9556         (bfin_longcall_p): New function.
9557         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9558         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9559         determine if the address needs to be in a REG.
9560         (bfin_handle_longcall_attribute): New function.
9561         (bfin_attribute_table): Add "longcall" and "shortcall".
9562         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9563         (CUMULATIVE_ARGS): New member call_cookie.
9564         (PREDICATE_CODES): Add symbol_ref_operand.
9565         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9566         extra USE to the pattern.
9567         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9568         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9569         sibcall_value_insn; now the new patterns handle direct calls and the
9570         old ones indirect calls.
9571         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9572
9573 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9574
9575         * doc/trouble.texi: Update section on handling of empty loops.
9576
9577 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9578
9579         * config.gcc: Remove support for sparc-*-openbsd*,
9580         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9581         ns32k-*-netbsd*.
9582         * config.host: Remove support for i860-*-sysv4* as a host.
9583         * config/i860/*, config/ip2k/*, config/ns32k/*,
9584         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9585         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9586         mention obsolete ports.
9587
9588 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9589
9590         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9591         soft frame pointer.
9592         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9593         of frame_pointer_rtx.
9594         (sh_expand_epilogue): Likewise.
9595         (sh_set_return_address): Likewise.
9596         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9597         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9598         offsets from FRAME_POINTER_REGNUM.
9599         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9600         (sh_register_names): Add initializer for sfp.
9601         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9602         (VALID_REGISTER_P): Likewise.
9603         (FIRST_PSEUDO_REGISTER): Update.
9604         (DWARF_FRAME_REGISTERS): Define.
9605         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9606         (HARD_FRAME_POINTER_REGNUM): Define.
9607         (FRAME_POINTER_REGNUM): Redefine.
9608         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9609         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9610         from FRAME_POINTER_REGNUM.
9611         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9612         FRAME_POINTER_REGNUM.
9613         (REG_CLASS_CONTENTS): Add sfp.
9614         (REG_ALLOC_ORDER): Likewise.
9615         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9616         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9617         of frame_pointer_rtx.
9618         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9619
9620 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9621
9622         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9623         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9624         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9625         of an ABS_EXPR.
9626         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9627         ABS_EXPR<x>.
9628
9629 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9630
9631         Make CONSTRUCTOR use VEC to store initializers.
9632         * c-common.c (complete_array_type): Update to cope with VEC in
9633         CONSTRUCTOR_ELTS.
9634         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9635         (pp_c_constructor_elts): New function.
9636         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9637         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9638         struct constructor_stack, struct initializer_stack,
9639         constructor_elements, push_init_level, pop_init_level,
9640         add_pending_init, find_init_member, output_init_element): Update to
9641         cope with VEC in CONSTRUCTOR_ELTS.
9642         * coverage.c (build_fn_info_value, build_ctr_info_value,
9643         build_gcov_info): Likewise.
9644         * expr.c (categorize_ctor_elements_1, store_constructor,
9645         expand_expr_real_1): Likewise.
9646         * fold-const.c (fold_ternary): Likewise.
9647         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9648         gimplify_init_constructor, gimplify_expr): Likewise.
9649         * tree-dump.c (dequeue_and_dump): Likewise.
9650         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9651         node.
9652         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9653         CONSTRUCTOR_ELTS.
9654         * tree-sra.c (generate_element_init_1): Likewise.
9655         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9656         * tree-ssa-operands.c (get_expr_operands): Likewise.
9657         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9658         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9659         (get_initial_def_for_reduction): Likewise.
9660         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9661         value handle in annotations.
9662         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9663         tree_node_structure): Add support for constr_kind.
9664         (build_vector_from_ctor, build_constructor_single,
9665         build_constructor_from_list): New functions.
9666         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9667         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9668         Update to cope with VEC in CONSTRUCTOR_ELTS.
9669         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9670         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9671         CONSTRUCTOR_APPEND_ELT): New macros.
9672         (struct constructor_elt, struct tree_constructor): New data types.
9673         (union tree_node): Add tree_constructor field.
9674         * treestruct.def: Define TS_CONSTRUCTOR.
9675         * varasm.c (const_hash_1, compare_constant, copy_constant,
9676         compute_reloc_for_constant, output_addressed_constants,
9677         initializer_constant_valid_p, output_constant,
9678         array_size_for_constructor, output_constructor): Update to cope with
9679         VEC in CONSTRUCTOR_ELTS.
9680         * vec.h (VEC_empty, VEC_copy): New macros.
9681
9682 2005-07-19  Devang Patel  <dpatel@apple.com>
9683
9684         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9685
9686 2005-07-19  Richard Henderson  <rth@redhat.com>
9687
9688         PR tree-opt/22278
9689         * gimplify.c (gimplify_expr): Use main variant type for the temp
9690         destination for a discarded volatile read.
9691         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9692         casts between non-void types that change volatility.
9693
9694 2005-07-15  DJ Delorie  <dj@redhat.com>
9695
9696         * toplev.h: Add comment about the first parameter for warning().
9697         * errors.h: Likewise.
9698
9699         * c.opt (Wpragmas): New.
9700         * doc/invoke.texi: Document it.
9701
9702         * function.c (do_warn_unused_parameter): Add warning control to
9703         warning call.
9704         * c-decl.c (warn_if_shadowing): Likewise.
9705         * c-lex.c (cb_def_pragma): Likewise.
9706         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9707         (pop_alignment): Likewise.
9708         (handle_pragma_pack): Likewise.
9709         (apply_pragma_weak): Likewise.
9710         (handle_pragma_weak): Likewise.
9711         (handle_pragma_redefine_extname): Likewise.
9712         (add_to_renaming_pragma_list): Likewise.
9713         (handle_pragma_extern_prefix): Likewise.
9714         (maybe_apply_renaming_pragma): Likewise.
9715         (handle_pragma_visibility): Likewise.
9716
9717         * config/c4x/c4x-c.c (BAD): Likewise.
9718         (c4x_parse_pragma): Likewise.
9719         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9720         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9721         (rs6000_pragma_longcall): Likewise.
9722         * config/v850/v850-c.c (pop_data_area): Likewise.
9723         (ghs_pragma_section): Likewise.
9724         (ghs_pragma_section): Likewise.
9725         (ghs_pragma_interrupt): Likewise.
9726         (ghs_pragma_starttda): Likewise.
9727         (ghs_pragma_startsda): Likewise.
9728         (ghs_pragma_startzda): Likewise.
9729         (ghs_pragma_endtda): Likewise.
9730         (ghs_pragma_endsda): Likewise.
9731         (ghs_pragma_endzda): Likewise.
9732
9733 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9734             Kenneth Zadeck <zadeck@naturalbridge.com>
9735
9736         * Makefile.in: Removed tree-promote-statics.c
9737         * tree-promote-statics.c: Removed.
9738         * common.opt: Removed flag-promote-statics.
9739         * opts.c: Ditto.
9740         * passes.c: Removed tree-promote-statics pass.
9741         * tree-pass.h: Ditto.
9742         * timevar.def: Removed TV_PROMOTE_STATICS.
9743
9744
9745 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9746
9747         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9748         and *-*-freebsd9.
9749         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9750
9751 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9752
9753         PR c/22476
9754         * c-common.c (check_function_arguments): Call
9755         'check_function_format' if either -Wformat or
9756         -Wmissing-format-attribute are specified.
9757         * c-format.c (check_function_format): Check -Wformat before
9758         calling 'check_format_info'.
9759         * c-opts.c (c_common_post_options): Don't warn for
9760         -Wmissing-format-attribute without -Wformat.
9761         * c-typeck.c (convert_for_assignment): Detect additional cases for
9762         -Wmissing-format-attribute.
9763         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9764         behavior.
9765
9766 2005-07-19  Richard Guenther  <rguenther@suse.de>
9767
9768         * config/i386/i386.md (lrint<mode>2): Use temporary
9769         instead of clobbering non-existent memory.
9770
9771 2005-07-19  Nick Clifton  <nickc@redhat.com>
9772
9773         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9774         statement to avoid displaying ASCII control characters.
9775
9776 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9777
9778         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9779         * cfganal.c (find_edge_index): Ditto.
9780         * combine.c (combine_instructions): Ditto.
9781         * ddg.c (create_scc): Ditto.
9782         (find_successors): Ditto.
9783         (find_predecessors): Ditto.
9784         (find_nodes_on_paths): Ditto.
9785         (longest_simple_path): Ditto.
9786         * flow.c (update_life_info): Ditto.
9787         (count_or_remove_death_notes): Ditto.
9788         (clear_log_links): Ditto.
9789         * modulo-sched.c (generate_reg_moves): Ditto.
9790         (find_max_asap): Ditto.
9791         (find_max_hv_min_mob): Ditto.
9792         (find_max_dv_min_mob): Ditto.
9793         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9794         * sched-rgn.c (extract_edgelst): Ditto.
9795         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9796         (dump_update_ssa): Ditto.
9797         (ssa_names_to_replace) Ditto.
9798         (switch_virtuals_to_full_rewrite): Ditto.
9799         (update_ssa): Ditto.
9800         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9801
9802 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9803
9804         Fix PR tree-optimization/22483
9805
9806         * tree-complex.c (create_components): Use
9807         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9808         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9809         * tree-flow.h (safe_referenced_var_iterator): New structure.
9810         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9811         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9812         safe_referenced_var iterator.
9813         (add_type_alias): Ditto.
9814
9815 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9816
9817         * loop-init.c (rest_of_handle_loop2): Remove.
9818         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9819         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9820         (pass_rtl_loop_init, pass_rtl_loop_done,
9821         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9822         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9823         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9824         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9825         pass_tree_loop_done, and pass_tree_unswitch.
9826         (gate_loop): Rename to gate_tree_loop.
9827         * passes.c (init_optimization_passes): Update for renamed tree
9828         loop passes.  Add the new loop2 passes as subpasses of loop2.
9829         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9830         Update for the renamed tree loop passes.
9831
9832 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9833
9834         PR middle-end/22057
9835         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9836         blocks when optimizing.
9837
9838 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9839
9840         * common.opt (frename-registers): Initialize to 2.
9841         (fweb): Ditto.
9842         (fgcse-after-reload): Ditto.
9843         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9844         (process_options): Only change flag_web, flag_rename_registers,
9845         and flag_rerun_cse_after_loop if not explicitly set by user.
9846
9847 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9848
9849         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9850         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9851         in 64-bit mode the same as DImode in 32-bit mode.
9852         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9853         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9854         mode. Add new mode parameter.
9855         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9856         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9857         x86_64_shift_adj): New expanders.
9858         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9859         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9860         insns.
9861         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9862         DImode shift splitters.
9863         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9864         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9865         mode parameter.
9866
9867 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9868
9869         * i386.md (movdi_extzv_1): New.
9870         (zero_extendhidi2): Combine alternatives and never force use of
9871         REX64 prefix.
9872         (zero_extendqidi2): Likewise. Don't restrict input selection.
9873
9874 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9875
9876         Fix PR tree-optimization/22531
9877         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9878          moment.
9879
9880 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9881
9882         * tree-promote-statics.c (pass_promote_statics): Change dump file
9883          name.
9884
9885 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9886
9887         * tree-optimize.c (init_tree_optimization_passes): Add
9888         pass_eliminate_useless_stores pass.
9889         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9890         * tree-ssa-pre.c (is_copy_stmt): New function.
9891         (follow_copies_till_vuse): Ditto.
9892         (do_eustores): Ditto.
9893         (gate_eustores): Ditto.
9894
9895 2005-07-16  Richard Henderson  <rth@redhat.com>
9896
9897         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9898
9899 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9900            Kenneth Zadeck <zadeck@naturalbridge.com>
9901
9902         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9903         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9904         ipa-type-escape.h, tree-promote-statics.c
9905         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9906         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9907         tree-promote-statics.c: new files.
9908         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9909         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9910         int nonlocal_set_p, mark_constant_function): Deleted.
9911         (rest_of_handle_cfg): Removed call to mark_constant_function.
9912         (nonoverlapping_component_refs_p): Added calls to support
9913         type based aliasing.
9914         * tree-ssa-alias.c (may_alias_p,
9915         compute_flow_insensitive_aliasing): Ditto.
9916         * calls.c (flags_from_decl_or_type): Removed reference to
9917         cgraph_rtl_info.
9918         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9919         too many arguments.  This is necessary for Spec 2000.
9920         * cgraph.h (const_function, pure_function): Removed.
9921         * common.opt: Added "fipa-pure-const", "fipa-reference",
9922         "fipa-type-escape", and "ftree-promote-static".
9923         * opts.c: Ditto.
9924         * passes.c: Added ipa and tree-promote-statics passes.
9925         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9926         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9927         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9928         * tree-flow.h: Added exposed sra calls and addition of
9929         reference_vars_info field for FUNCTION_DECLS.
9930         * tree-pass.h: Added passes.
9931         * tree-sra.c: (sra_init_cache): New function.
9932         (sra_insert_before, sra_insert_after) Made public.
9933         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9934         and made public.
9935         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9936         aliasing. (may_alias_p): Added code to use type escape analysis to
9937         improve alias sets.
9938         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9939         code to prune clobbers of static variables based on information
9940         produced in ipa-reference pass.  Changed call clobbering so that
9941         statics are not marked as clobbered if the call does not clobber
9942         them.
9943
9944 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9945
9946         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9947         too.
9948
9949 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9950
9951         * doc/install.texi (*-*-solaris2*): Document recommended version
9952         of GNU binutils and mention GNU linker problem on Solaris 10.
9953
9954 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9955
9956         PR c/22421
9957         * c-decl.c (c_build_bitfield_integer_type): New function.
9958         (finish_struct): Call it.
9959         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9960
9961 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9962
9963         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9964         before returning.
9965
9966 2005-07-16  Jan Hubicka  <jh@suse.cz>
9967
9968         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9969         (scale_bbs_frequencies_int): Watch roundoff errors.
9970         * predict.c (return_prediction): Initialize return_stmt.
9971
9972 2005-07-16  Jan Hubicka  <jh@suse.cz>
9973
9974         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9975         after RTL profiling.
9976
9977 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9978
9979         PR middle-end/22398
9980         * fold-const.c (build_range_check): Convert high/low to etype
9981         if we are only comparing against exp.
9982
9983 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9984
9985         Fix PR tree-optimization/22376
9986         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9987         special var here.
9988         (need_to_solve): New function.
9989         (compute_points_to_sets): Use it.
9990
9991 2005-07-15  Jan Hubicka  <jh@suse.cz>
9992
9993         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9994         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9995
9996 2005-07-15  Richard Guenther  <rguenther@suse.de>
9997
9998         * c-common.c (handle_flatten_attribute): New function.
9999         Add flatten function attribute.
10000         * doc/extend.texi: Document flatten function attribute.
10001         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10002         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10003         New functions.
10004         (cgraph_decide_inlining): Handle functions with flatten
10005         attribute.
10006
10007 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10008
10009         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10010         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10011         UNSPEC_XCHG, UNSPEC_AND): New.
10012         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10013         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10014         * config/rs6000/sync.md (FETCHOP): New code macro.
10015         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10016         New code attrs.
10017         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10018         (sync_compare_and_swap<mode>): Same.
10019         (sync_lock_test_and_set<mode>): Same.
10020         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10021         for QImode and HImode, and not PPC405.
10022         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10023         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10024         (sync_<fetchop>{si,di}_internal): New.
10025         (sync_nand{si,di}_internal): New.
10026         (sync_old_<fetchop>{si,di}_internal): New.
10027         (sync_old_nand{si,di}_internal): New
10028         (sync_new_<fetchop>{si,di}_internal): New.
10029         (sync_new_nand{si,di}_internal): New.
10030         (atomic_and{si,di}): New.
10031         (sync_new_nand{si,di}_internal): New.
10032         (atomic_and{si,di}): New.
10033         (sync_add<mode>_internal): Delete.
10034         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10035         (sync_sub<mode>_internal): Delte.
10036         (sync_subshort_internal): New.
10037         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10038         (sync_anddi_internal): Delete.
10039         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10040         (sync_booldi_internal): Delete.
10041         (sync_boolc<mode>_internal): Delete.
10042         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10043         (sync_boolc<mode>_internal2): Delete.
10044         (sync_boolcc<mode>_internal): Delete.
10045         (isync, lwsync): Use unspec instead of unspec_volatile.
10046         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10047         Revert UNSPEC_VOLATILE.
10048         (rs6000_split_atomic_op): New.
10049         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10050
10051 2005-07-14  Eric Christopher  <echristo@redhat.com>
10052
10053         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10054         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10055
10056 2005-07-14  Eric Christopher  <echristo@redhat.com>
10057
10058         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10059
10060 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10061
10062         PR tree-optimization/22230
10063         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10064         the computation of the four cross productions for "range op range".
10065
10066 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10067             Ulrich Weigand  <uweigand@de.ibm.com>
10068
10069         PR target/20126
10070         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10071         in some insn.
10072
10073 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10074
10075         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10076
10077 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10078
10079         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10080
10081 2005-07-14  Richard Guenther  <rguenther@suse.de>
10082
10083         PR middle-end/22347
10084         * config/i386/i386-protos.h (ix86_function_value): Change
10085         prototype to match new target hook.
10086         * config/i386/i386.c (ix86_value_regno): Change prototype
10087         to take extra type argument.
10088         (TARGET_FUNCTION_VALUE): Define.
10089         (ix86_function_ok_for_sibcall): Pass extra argument to
10090         ix86_value_regno, check return slot rtx for exact match.
10091         (ix86_function_value): Take extra parameter.  Dispatch to
10092         ix86_value_regno with fndecl/fntype as provided.
10093         (ix86_value_regno): Handle extra type argument.
10094         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10095
10096         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10097         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10098         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10099         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10100         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10101
10102 2005-07-14  Richard Guenther  <rguenther@suse.de>
10103
10104         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10105         * calls.c (expand_call): Pass fntype to hard_function_value.
10106         (emit_library_call_value_1): Likewise.
10107         * explow.c: Include target.h.
10108         (hard_function_value): Take extra argument, the fntype.
10109         Use new target hook for function_value.
10110         * expr.h (hard_function_value): Change prototype.
10111         * function.c (aggregate_value_p): Pass 0 as fntype to
10112         hard_function_value.
10113         (assign_parms): Use new target hook for function_value.
10114         Pass 0 as fntype to hard_function_value.
10115         (expand_function_end): Likewise.
10116         * reg-stack.c: Include target.h.
10117         (stack_result): Use new target hook for function_value.
10118         * target-def.h: New target hook function_value.
10119         * target.h: Likewise.
10120         * targhooks.c (default_function_value): New function.
10121         * targhooks.h (default_function_value): Declare.
10122
10123 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10124
10125         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10126
10127 2005-07-14  Jan Hubicka  <jh@suse.cz>
10128
10129         * tree-dfa.c (dump_variable): Use default_def function.
10130         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10131         * tree-ssa.c (verify_use): Likewise.
10132         * tree-ssanames.c (release_ssa_name): Likewise.
10133         * tree-tailcall.c (eliminate_tail_call): Likewise.
10134         (tree_optimize_tail_calls_1): Likewise.
10135         * tree-vrp.c (get_value_range): Likewise.
10136
10137 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10138
10139         * gcc.c (main): Compare language[0] with '*' when iterating over
10140         the infiles.
10141
10142 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10143
10144         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10145         "s390_emit_compare".  Add handling of CCZ1mode.
10146         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10147         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10148         checking.
10149         (s390_branch_condition_mask): Add CCZ1mode handling.
10150         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10151         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10152         Use CCZ1mode instead of CCZmode.
10153         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10154
10155 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10156
10157         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10158         pattern.
10159         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10160
10161 2005-07-13  Eric Christopher  <echristo@redhat.com>
10162
10163         * config/mips/mips.c (mips_canonicalize_comparison): New.
10164         (mips_emit_int_relational): Use.
10165
10166 2005-07-13  Eric Christopher  <echristo@redhat.com>
10167
10168         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10169         static extra parts.
10170         * config/s390/s390.md: Include tpf.md. Move tpf specific
10171         patterns...
10172         * config/s390/tpf.md: To here.
10173         * config/s390/s390.opt: Move tpf specific options...
10174         * config/s390/tpf.opt: to here. Add mmain option.
10175         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10176         * config/s390/tpf.h: Rewrite.
10177
10178 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10179
10180         * doc/tm.texi: Remove @xref{Cross-profiling}.
10181
10182 2005-07-13  Jeff Law  <law@redhat.com>
10183
10184         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10185         expressions, test their _DECL operands for pointer equality rather
10186         than using operand_equal_p.
10187
10188 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10189
10190         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10191         (TARGET_POSIX_IO): This.
10192         * config/darwin.h: Likewise.
10193         * config/freebsd.h: Likewise.
10194         * config/linux.h: Likewise.
10195         * config/lynx.h: Likewise.
10196         * config/netbsd.h: Likewise.
10197         * config/rs6000/linux64.h: Likewise.
10198         * config/rs6000/linux.h: Likewise.
10199         * config/s390/tpf.h: Likewise.
10200         * config/sh/embed-elf.h: Likewise.
10201         * config/sparc/linux64.h: Likewise.
10202         * config/sparc/linux.h: Likewise.
10203         * config/svr4.h: Likewise.
10204         * gcov-io.h: Likewise.
10205
10206         * doc/tm.texi: Updated.
10207
10208         * libgcov.c (create_file_directory): Defined only if
10209         TARGET_POSIX_IO is defined.
10210         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10211         is defined.
10212
10213 2005-07-13  Jan Hubicka  <jh@suse.cz>
10214
10215         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10216
10217 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10218
10219         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10220         structure as argument.
10221
10222 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10223
10224         PR tree-optimization/21921
10225         * tree-iterator.c (tsi_link_before): Support the case when
10226         tsi_end_p (tsi) == true.
10227
10228 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10229
10230         PR tree-optimization/22442
10231         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10232         correctly.
10233
10234 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10235
10236         PR rtl-optimization/20376
10237         * toplev.c (process_options): Enable -fweb and -frename-registers when
10238         unrolling.
10239         * doc/invoke.texi: Update the information about when -fweb and
10240         -frename-registers are enabled.
10241
10242 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10243
10244         PR tree-opt/21840
10245         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10246         if *rhs_p is not a SSA_NAME.
10247
10248 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10249
10250         Fix PR tree-optimization/22422
10251         * tree-ssa-structalias.c (struct variable_info): Add flag for
10252         special vars.
10253         (get_varinfo): Now a static function.
10254         (new_varinfo): init has_union and is_special_var to false.
10255         (solution_set_add): Check has_union.
10256         (do_da_constraint): Move temporary variable so it gets reset
10257         properly.
10258         Also check for special variable.
10259         (do_ds_constraint): Ditto.
10260         (do_sd_constraint): Ditto.
10261         (do_structure_copy): Check for special variable.
10262         (find_func_aliases): Ditto.
10263         (init_base_vars): Set special vars properly.
10264
10265 2005-07-13  Jan Hubicka  <jh@suse.cz>
10266
10267         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10268         do unit-at-a-time.
10269
10270         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10271         (get_expr_operands): Fix thinko wrt flags and subvars.
10272
10273         PR tree-optimize/22379
10274         * tree-inline.c (expand_call_inline): Do not output sorry in early
10275         inlining.
10276
10277 2005-07-12  Dale Johannesen  <dalej@apple.com>
10278
10279         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10280
10281 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10282
10283         PR bootstrap/21704
10284         * host-linux.h: Include limits.h.
10285
10286 2005-07-12  Dale Johannesen  <dalej@apple.com>
10287
10288         * expr.c (compress_float_constant):  Add cost check.
10289         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10290
10291 2005-07-12  Dale Johannesen  <dalej@apple.com>
10292
10293         * gcc.target/i386/compress-float-sse.c:  New.
10294         * gcc.target/i386/compress-float-sse-pic.c:  New.
10295         * gcc.target/i386/compress-float-387.c:  New.
10296         * gcc.target/i386/compress-float-387-pic.c:  New.
10297         * gcc.dg/compress-float-ppc.c:  New.
10298         * gcc.dg/compress-float-ppc-pic.c:  New.
10299
10300 2005-07-12  Eric Christopher  <echristo@redhat.com>
10301
10302         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10303         static extra parts.
10304         * config/s390/s390.md: Include tpf.md. Move tpf specific
10305         patterns...
10306         * config/s390/tpf.md: To here.
10307         * config/s390/s390.opt: Move tpf specific options...
10308         * config/s390/tpf.opt: to here. Add mmain option.
10309         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10310         * config/s390/tpf.h: Rewrite.
10311
10312 2005-07-12  Eric Christopher  <echristo@redhat.com>
10313
10314         * gcc.c (struct infile): Update comment for language.
10315         (main): Rewrite input file resetting code.
10316
10317 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10318
10319         PR tree-opt/22335
10320         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10321         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10322         (lookup_avail_expr): Use constant_boolean_node instead
10323         of boolean_false_node/boolean_true_node.
10324
10325 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10326
10327         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10328         and use it when printing num_edges.
10329
10330 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10331
10332         * doc/extend.texi (Blackfin Built-in Functions): New section.
10333         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10334         @opindex.
10335
10336 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10337
10338         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10339         s/cmpstrsi/cmpstrnsi
10340         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10341         'cmpstrnsi'.
10342         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10343         (init_optabs): Initialize cmpstrn_optab.
10344         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10345         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10346         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10347         * config/i386/i386.md: s/cmpstr/cmpstrn
10348         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10349         * doc/md.texi: Update documentation.
10350
10351 2005-07-11  Richard Henderson  <rth@redhat.com>
10352
10353         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10354         build_va_arg_indirect_ref.
10355         (alpha_gimplify_va_arg): Likewise.
10356         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10357         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10358         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10359         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10360         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10361         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10362         Likewise.
10363         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10364
10365 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10366
10367         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10368         * passes.c (init_optimization_passes): Add pass_empty_loop.
10369         * tree-pass.h (pass_empty_loop): Declare.
10370         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10371         try_remove_empty_loop, remove_empty_loops): New functions.
10372         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10373         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10374
10375 2005-07-12  Peter Barada  <peter@the-baradas.com>
10376
10377         PR middle-end/16719
10378         PR middle-end/18421
10379         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10380         in address registers.
10381         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10382         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10383         alternative of addsi3_5200.
10384
10385 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10386
10387         * config/mips/mips.md (ffs<mode>2): Remove.
10388
10389 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10390
10391         * doc/tree-ssa.texi (Cleanups): Improve description of
10392         TRY_FINALLY_EXPR.
10393         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10394
10395 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10396
10397         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10398         * tree.h (DECL_ARGUMENT_FLD): New macro.
10399
10400 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10401
10402         Fix PR tree-optimization/22404
10403
10404         * tree-ssa-structalias.c (create_variable_info_for): Use
10405         correct offset.
10406
10407 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10408
10409         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10410         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10411         for second comparison operand.
10412         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10413
10414         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10415         (define_insn_reservation "alu"): Likewise.
10416         (csync, ssync): Now of type sync.
10417         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10418         -mcsync-anomaly -mspecld-anomaly.
10419         * config/bfin/bfin.opt (mcsync): Remove.
10420         (mcsync-anomaly, mspecld-anomaly): Add.
10421         * config/bfin/bfin.c: Include "insn-codes.h".
10422         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10423         (TARGET_DEFAULT_TARGET_FLAGS): New.
10424         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10425
10426 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10427
10428         * basic-block.h: Give the BB flags enum a name, bb_flags.
10429         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10430         * cfgcleanup.c (enum bb_flags): Remove here.
10431         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10432         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10433         (update_forwarder_flag): Likewise.
10434         (thread_jump): Likewise.
10435         (try_forward_edges): Likewise.
10436         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10437         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10438         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10439
10440 2005-07-11  Richard Guenther  <rguenther@suse.de>
10441
10442         * config/i386/i386.opt: New target option -msseregparm.
10443         * config/i386/i386.c (override_options): Error out for
10444         -msseregparm but no SSE support.
10445         (ix86_function_sseregparm): Check for global sseregparm.
10446         * doc/invoke.texi: Document -msseregparm.
10447
10448 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10449
10450         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10451         (m32rle-*-linux*): Ditto.
10452
10453 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10454
10455         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10456         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10457         bytes.
10458
10459 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10460
10461         PR middle-end/22239
10462         PR target/20126
10463         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10464         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10465
10466 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10467
10468         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10469         (varmap): Heapify varmap.
10470         (constraints): Heapify constraints.
10471         (struct constraint_graph): Heapify succs and preds.
10472         (constraint_vec_find): Update for heapification.
10473         (constraint_set_union): Ditto.
10474         (insert_into_complex): Ditto.
10475         (constraint_edge_vec_find): Ditto.
10476         (erase_graph_self_edge): Ditto.
10477         (add_graph_edge): Ditto.
10478         (get_graph_weights): Ditto.
10479         (merge_graph_nodes): Ditto.
10480         (build_constraint_graph): Ditto.
10481         (topo_visit): Ditto.
10482         (solve_graph): Ditto.
10483         (create_variable_info_for): Ditto.
10484         (init_base_vars): Ditto.
10485         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10486         (condese_varmap_nodes): Free complex vector.
10487         (clear_edges_for_node): Clear succs and preds vector.
10488
10489 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10490
10491         * tree-ssa-structalias.c (update_alias_info): Change counting of
10492         references to not include vdefs.
10493
10494 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10495
10496         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10497         (up_insert): Ditto.
10498
10499 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10500
10501         * pa.c (pa_commutative_p): Make PLUS commutative when
10502         TARGET_NO_SPACE_REGS is true.
10503
10504 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10505
10506         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10507         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10508         * tree-dfa.c (dump_subvars_for): New.
10509         (debug_subvars_for): New.
10510         (dump_variable): Show subvariables if VAR has them.
10511         * tree-flow-inline.h (get_subvar_at): New.
10512         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10513         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10514         Update all users.
10515         (struct subvar): Change fields offset and size to unsigned
10516         HOST_WIDE_INT.
10517         (dump_subvars_for): Declare.
10518         (debug_subvars_for): Declare.
10519         (get_subvar_at): Declare.
10520         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10521         to unsigned HOST_WIDE_INT *.
10522         (overlap_subvar): Likewise.
10523         * tree-gimple.c (is_gimple_reg): Always return false for
10524         SFTs and memory tags.
10525         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10526         Update all callers.
10527         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10528         (compute_may_aliases): Call compute_points_to_sets.
10529         (collect_points_to_info_for): Remove.
10530         (compute_points_to_and_addr_escape): Remove.
10531         (delete_alias_info): Call delete_points_to_sets.
10532         (compute_flow_sensitive_aliasing): If the call to
10533         find_what_p_points_to returns false, call set_pt_anything.
10534         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10535         (set_pt_anything): Clear pi->pt_vars.
10536         (set_pt_malloc): Remove.
10537         (merge_pointed_to_info): Remove.
10538         (add_pointed_to_expr): Remove.
10539         (add_pointed_to_var): Remove.
10540         (collect_points_to_info_r): Remove.
10541         (is_escape_site): Make extern.
10542         (create_sft): New.
10543         (create_overlap_variables_for): Call it.
10544         * tree-ssa-copy.c (merge_alias_info): Never merge
10545         flow-sensitive alias information.
10546         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10547         offset and size to be unsigned HOST_WIDE_INT.
10548         (add_to_addressable_set): Rename from note_addressable.
10549         Set TREE_ADDRESSABLE as the variables are added to the set.
10550         Update all users.
10551         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10552         operands into VUSEs when adding V_MAY_DEFs for members in an
10553         alias set.
10554         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10555         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10556         (struct variable_info): Add bitfield is_heap_var.
10557         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10558         (new_var_info): Initialize is_heap_var.
10559         (get_constraint_for): Add HEAP variables to the symbol table.
10560         Mark them with is_heap_var.
10561         (update_alias_info): New.  Taken mostly from the old
10562         compute_points_to_and_addr_escape.
10563         (handle_ptr_arith): New.
10564         (find_func_aliases): Call update_alias_info.
10565         Call handle_ptr_info for tcc_binary expressions.
10566         Call mark_stmt_modified.
10567         (create_variable_info_for): If DECL has subvars, do not create
10568         variables for its subvars.  Always add all the fields.
10569         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10570         SFTs, then add all the SFTs of the structure.
10571         If VI->DECL is an aggregate with subvariables, add the SFT at
10572         VI->OFFSET.
10573         (find_what_p_points_to): If VI is an artificial variable,
10574         translate to bitfields in SSA_NAME_PTR_INFO.
10575         If the solution is empty, set pi->pt_vars to NULL
10576         (init_base_vars): Create ANYOFFSET.
10577         (compute_points_to_sets): Rename from create_alias_vars.
10578         Make extern.
10579         (pass_build_pta): Remove.
10580         (delete_points_to_sets): Rename from delete_alias_vars.
10581         (pass_del_pta): Remove.
10582         * tree-ssa-structalias.h (struct alias_info): Move from
10583         tree-ssa-alias.h.
10584         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10585         NUM_REFERENCES_SET): Likewise.
10586         (compute_points_to_sets, delete_points_to_sets): Declare.
10587
10588 2005-07-09  Richard Henderson  <rth@redhat.com>
10589
10590         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10591         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10592         alpha_split_lock_test_and_set_12): New functions.
10593         * config/alpha/alpha-protos.h: Update.
10594         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10595         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10596         * config/alpha/sync.md (I12MODE): New.
10597         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10598         (sync_<fetchop_name><I48MODE>): Likewise.
10599         (sync_nand<I48MODE>): Likewise.
10600         (sync_old_<fetchop_name><I48MODE>): Likewise.
10601         (sync_new_<fetchop_name><I48MODE>): Likewise.
10602         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10603         (sync_compare_and_swap<I48MODE>): Likewise.
10604         (sync_lock_test_and_set<I48MODE>): Likewise.
10605         (sync_compare_and_swap<I12MODE>): New.
10606         (sync_compare_and_swap<I12MODE>_1): New.
10607         (sync_lock_test_and_set<I12MODE>): New.
10608         (sync_lock_test_and_set<I12MODE>_1): New.
10609
10610 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10611
10612         PR 21356
10613         PR 22332
10614         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10615
10616 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10617
10618         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10619         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10620
10621 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10622
10623         PR target/21656
10624         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10625
10626 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10627
10628         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10629         memory_operand constraint.
10630         (store_conditional_<mode>): Same.
10631         (sync_compare_and_swap<mode>): Same.
10632         (sync_lock_test_and_set<mode>): Same.
10633
10634 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10635
10636         Rewrite PIC support to more closely model actual instructions.
10637         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10638         (cris_symbol): Remove prototypes for removed functions.
10639         (cris_pic_symbol_type_of, cris_valid_pic_const)
10640         (cris_expand_pic_call_address): Prototypes for new functions.
10641         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10642         variable.
10643         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10644         modifiers.
10645         <case ':'>: Add case for new punctuation character.
10646         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10647         emitting (extra) PIC modifier.
10648         <case UNSPEC>: Do not assert for PLT.
10649         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10650         (cris_expand_prologue, cris_expand_epilogue): Check
10651         for pic_offset_table_rtx usage instead of taking
10652         current_function_uses_pic_offset_table as the final word.
10653         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10654         Remove flag_pic difference.
10655         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10656         the moral equivalents of...
10657         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10658         functions.
10659         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10660         (cris_handle_option): Mark ARG as unused.
10661         (cris_expand_pic_call_address): New worker function for "call",
10662         "call_value".
10663         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10664         output PIC constructs here.
10665         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10666         as symbol-specific modifers, not whole or part of operands.
10667         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10668         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10669         constants and flag_pic.
10670         (CONSTANT_INDEX_P): Adjust for new functions.
10671         (enum cris_pic_symbol_type): New helper type.
10672         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10673         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10674         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10675         define_constants.
10676         ("movsi"): Emit actual instructions for GOT and relative access.
10677         ("*movsi_got_load"): New pattern to set up the register holding
10678         the GOT pointer.
10679         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10680         Adjust FIXME for 'S'.
10681         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10682         Use "movs" for -fpic cases.
10683         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10684         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10685         ("call", "call_value"): Just call cris_expand_pic_call_address for
10686         PIC addresses.
10687         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10688         Remove special pattern.
10689         ("*expanded_call_side", "*expanded_call_value_side"): New
10690         patterns.
10691         (gotplt-to-plt, gotplt-to-plt-side-call)
10692         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10693         peephole2:s.
10694         * config/cris/cris/predicates.md
10695         ("cris_general_operand_or_gotless_symbol"): Remove unused
10696         predicate.
10697         ("cris_general_operand_or_symbol"): Adjust for new functions.
10698
10699 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10700
10701         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10702
10703 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10704
10705         * Makefile.in (TREE_H): Add treestruct.def.
10706         (c-decl.o): Add pointer-set.h
10707         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10708         visibility on regular DECL's.
10709         (merge_decls): Fix the copying of decl nodes of various types for
10710         the new structures.  Don't update RTL, section name, weak status,
10711         etc, on DECL's without RTL.
10712         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10713         Don't check volatile on non-variable types.
10714         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10715         to check whether we have seen arguments.
10716         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10717         flag is checked before field (flag is common, field is not).
10718         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10719         TS_DECL_COMMON could have an origin.
10720         (add_location_or_const_value_attribute): Don't check section name
10721         on non-var/function decls.
10722         (dwarf2out_var_location): Reverse order of tests.
10723         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10724         with DECL_WRTL_CHECK.
10725         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10726         * fold-const.c (fold_binary): Don't check weakness on
10727         non-var/function decls.
10728         (tree_expr_nonzero_p): Ditto.
10729         (fold_checksum_tree): Use tree_decl_extra as sizeof
10730         buffer.
10731         * ggc-page.c (extra_order_size_table): Add sizes for
10732         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10733         tree_field_decl.
10734         * gimplify.c (gimplify_bind_expr): Only set
10735         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10736         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10737         without RTL.
10738         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10739         * langhooks.h (init_ts). New langhook.
10740         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10741         * print-tree.c (print_node): Update to only print fields that
10742         exist in the structures the passed decl has.
10743         * toplev.c (wrapup_global_declarations): Don't reset
10744         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10745         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10746         * tree-inline.c (remap_decl): Ditto.
10747         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10748         * tree-pretty-print.c (print_declaration): Don't print
10749         DECL_REGISTER on things that don't contain it.
10750         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10751         non-var/function decls.
10752         * tree.c (tree_contains_struct): New structure.
10753         (init_priority_for_decl): New hashtable.
10754         (tree_int_map): New structure.
10755         (tree_int_map_eq): New function.
10756         (tree_int_map_marked_p): Ditto.
10757         (tree_int_map_hash): Ditto.
10758         (tree_map): Move to tree.h.
10759         (tree_map_eq): Externalize.
10760         (tree_map_hash): Ditto.
10761         (tree_map_marked_p): Ditto.
10762         (init_ttree): Set up tree_contains_struct and call langhook.
10763         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10764         (tree_code_size): Update for new structures.
10765         (tree_node_structure): Update for new structures.
10766         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10767         without the field.
10768         (copy_node_stat):  Copy init priority.
10769         (build_decl_stat): Ditto for visibility.
10770         (ts_enum_names): New.
10771         (tree_contains_struct_check_failed): New function.
10772         (decl_init_priority_lookup): Ditto.
10773         (decl_init_priority_insert): Ditto.
10774         * treestruct.def: New file.
10775         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10776         (CONTAINS_STRUCT_CHECK): Ditto.
10777         (tree_contains_struct_check_failed): New prototype.
10778         (DECL_CHECK): Removed.
10779         (DECL_MINIMAL_CHECK): New.
10780         (DECL_COMMON_CHECK): Ditto.
10781         (DECL_WRTL_CHECK): Ditto.
10782         (DECL_NON_COMMON_CHECK): Ditto.
10783         (DECL_WITH_VIS_CHECK): Ditto.
10784         (VAR_OR_FUNCTION_DECL_P): Ditto
10785         (struct tree_decl_minimal): New structure.
10786         (struct tree_decl_common): Ditto.
10787         (struct tree_decl_with_rtl): Ditto.
10788         (struct tree_decl_with_vis): Ditto.
10789         (struct tree_decl_non_common): Ditto.
10790         (struct tree_field_decl): Ditto.
10791         (struct tree_parm_decl): Ditto.
10792         (struct tree_var_decl): Ditto.
10793         (struct tree_function_decl): Ditto.
10794         (struct tree_const_decl): Ditto.
10795         (struct tree_result_decl): Ditto.
10796         (union tree_node): Add new structures.
10797         * var-tracking.c (track_expr_p): Reverse order of tests.
10798
10799         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10800
10801 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10802
10803         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10804         * system.h: Poison FINALIZE_PIC.
10805         * doc/tm.texi (FINALIZE_PIC): Remove.
10806
10807 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10808
10809         PR tree-opt/22329
10810         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10811         to the correct type if we have a MODIFY_EXPR.
10812
10813 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10814
10815         PR tree-optimization/22360
10816         * tree.c (upper_bound_in_type): Fix calculations for casting
10817         to a non-wider signed type and casting a signed value to a
10818         wider unsigned type.
10819         (lower_bound_in_type): Fix calculations for casting to a
10820         non-wider signed type.
10821
10822         PR tree-optimization/20139
10823         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10824         release_defs.
10825         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10826         fold_cond_expr_cond.
10827         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10828         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10829
10830 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10831
10832         PR tree-opt/22356
10833         * tree-complex.c (expand_complex_libcall): Produce
10834         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10835
10836 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10837
10838         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10839         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10840         b" assert and inserted fastpath code for this case.
10841         (bitmap_ior): Removed "a != b" assert.
10842
10843 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10844
10845         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10846         (ENDFILE_SPEC): Likewise.
10847         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10848
10849         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10850         a large stack frame at epilogue.
10851
10852 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10853
10854         * final.c: Include sdbout.h when required.
10855
10856 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10857
10858         * config.gcc (*-*-darwin*): Only one target-specific header file
10859         for generic darwin.
10860         (powerpc-*-darwin*): Add version-specific header files.
10861         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10862         * config.in: Regenerate.
10863         * configure: Regenerate.
10864         * gcc.c: Include xregex.h.
10865         (version_compare_spec_function): New.
10866         (spec_function): Add version-compare.
10867         (replace_outfile_spec_function): Reformat comment.
10868         (compare_version_strings): New.
10869         * config/darwin-c.c (version_as_macro): New.
10870         (builtin_define): New.
10871         (darwin_cpp_builtins): New.
10872         * config/darwin-protos.h (darwin_cpp_builtins): New.
10873         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10874         (LIB_SPEC): Make unconditional, update comment.
10875         (TARGET_C99_FUNCTIONS): Define.
10876         * config/darwin.opt: Sort.
10877         (mmacosx-version-min=): New.
10878         * config/darwin7.h: Delete.
10879         * config/darwin8.h: Delete.
10880         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10881         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10882         (TARGET_C99_FUNCTIONS): Define.
10883         * config/rs6000/darwin7.h: New.
10884         * config/rs6000/darwin8.h: New.
10885         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10886         (-mmacosx-version-min): Document.
10887
10888 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10889
10890         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10891
10892 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10893
10894         PR middle-end/22239
10895         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10896
10897 2005-07-07  Khem Raj  <kraj@mvista.com>
10898
10899         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10900         in bytes, not words.
10901
10902 2005-07-07  Paul Brook  <paul@codesourcery.com>
10903
10904         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10905         DEFAULT_FUNCTION_ARG_PADDING to upward.
10906
10907 2005-07-07  Richard Henderson  <rth@redhat.com>
10908
10909         * function.c (locate_and_pad_parm): Record parameter alignment in
10910         stack_alignment_needed.
10911
10912 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10913
10914         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10915         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10916         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10917         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10918         (define_attr "type"): Add isync, sync, load_l, store_c.
10919         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10920         Create scratch volatile MEM.
10921         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10922         sync.
10923         (load_locked_<mode>): New.
10924         (store_conditional_<mode>): New.
10925         (sync_compare_and_swap<mode>): Replace with splitter.
10926         (sync_lock_test_and_set<mode>): Replace with splitter.
10927         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10928         and UNSPECV_ISYNC.
10929         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10930         is ics.  Attribute isync.
10931         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10932         lwsync.
10933         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10934         and UNSPECV_SYNC_OP.
10935         (emit_unlikely_jump): New.
10936         (emit_load_locked): New.
10937         (emit_store_conditional): New.
10938         (rs6000_split_compare_and_swap): New.
10939         (rs6000_split_lock_test_and_set): New.
10940         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10941         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10942         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10943         rs6000_split_lock_test_and_set): Declare.
10944         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10945         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10946         store_c, isync, sync.
10947
10948 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10949
10950         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10951         filenames to gtyp-gen.h.
10952         (s-typ-gen): Use it in place of for loops.
10953
10954 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10955
10956         * hooks.c (hook_bool_rtx_int_false): New function.
10957         * hooks.h (hook_bool_rtx_int_false): Declare.
10958         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10959         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10960         * target.h (struct gcc_target): Add commutative_p member.
10961         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10962         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10963         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10964         (pa_commutative_p): New function.
10965         * jump.c (target.h): Include.
10966         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10967         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10968
10969 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10970
10971         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10972         (s390_expand_setmem): New.
10973         * config/s390/s390.c: Likewise.
10974         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10975         Adapt comments.
10976         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10977         general_operand.  Call new function "s390_expand_setmem".
10978         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10979         ("setmem_long", "*setmem_long"): ... this.
10980
10981 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10982
10983         * config/s390/s390.c: (optimization_options): Enable
10984         TARGET_MVCLE at -Os.
10985         * doc/invoke.texi: Document changes in default behaviour.
10986         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10987
10988 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10989
10990         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10991         defined by back-end.
10992
10993 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10994
10995         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10996         all sets in the pattern.
10997         * config/rs6000/rs6000.md (stack_protect_testsi,
10998         stack_protect_testdi): Likewise.
10999
11000 2005-07-06  Jeff Law  <law@redhat.com>
11001
11002         * tree-vrp.c (simplify_using_ranges): Kill.
11003         (vrp_finalize): Remove call to simplify_using_ranges.
11004         (simplify_stmt_using_ranges): New function extracted from
11005         simplify_using_ranges.
11006         (simplify_div_or_mod_using_ranges): Likewise.
11007         (simplify_abs_using_ranges): Likewise.
11008         (simplify_cond_using_ranges): New function.
11009         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11010         * tree-ssa-propagate.c (substitute_and_fold): Call
11011         simplify_stmt_using_ranges if we have range information.
11012
11013 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11014
11015         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11016         ia64_flag_schedule_isns2.
11017
11018         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11019         reading/writing general registers.
11020         (ia64_function_arg): Revert 2005-06-18 change.
11021
11022 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11023
11024         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11025         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11026
11027 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11028
11029         * function.c (expand_function_end): Revert part of 2005-06-27
11030         patch.  Do sjlj_emit_function_exit_after after return_label.
11031
11032 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11033
11034         * doc/install.texi (--disable-libssp): New.
11035
11036 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11037
11038         * doc/invoke.texi: Update -fforce-mem documentation.
11039         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11040         code for -fforce-mem.
11041         * expmed.c: (store_bit_field,store_fixed_bit_field,
11042         extract_bit_field): Ditto.
11043         * expr.c: (convert_move): Ditto.
11044         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11045         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11046         emit_conditional_add,expand_float,expand_fix): Ditto.
11047         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11048         (common_handle_option): Issue warning when -fforce-mem specified.
11049
11050 2005-07-06  Paul Brook  <paul@codesourcery.com>
11051
11052         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11053         argument is empty.
11054         * configure: Regenerate.
11055
11056 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11057
11058         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11059
11060 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11061
11062         Fix PR tree-optimization/22319
11063         Fix PR tree-optimization/22140
11064         Fix PR tree-optimization/22310
11065
11066         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11067         variable sized types.
11068         Use correct type for intermediate structure on *a = *b structure
11069         copies.
11070
11071 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11072
11073         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11074         Remove.
11075         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11076         (machine_function): Move typedef to...
11077         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11078         varargs_save_offset field.
11079         (rs6000_stack_t): Remove varargs_size field.
11080         (setup_incoming_varargs): Allocate varargs save area using
11081         assign_stack_local, try to make it as small as possible.
11082         Save offset from virtual_stack_vars_rtx to the save area
11083         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11084         instead of magic 8 when fp word byte size is used.
11085         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11086         instead of -RS6000_VARARGS_SIZE.
11087         (rs6000_stack_info, debug_stack_info,
11088         rs6000_initial_elimination_offset): Remove all traces of
11089         varargs_size.
11090         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11091         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11092         RS6000_VARARGS_AREA.
11093
11094 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11095
11096         PR tree-optimization/21963
11097         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11098         constant_multiple_of in the same way get_computation_cost_at does.
11099
11100 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11101
11102         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11103         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11104         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11105         and return its previous value.
11106         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11107         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11108         constants.
11109         (stack_protect_set, stack_protect_test): New expanders.
11110         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11111         stack_protect_testdi): New insns.
11112         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11113         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11114
11115 2005-07-06  Jeff Law  <law@redhat.com>
11116
11117         * tree-ssa-dce.c (cfg_altered): New global.
11118         (tree_dce_init): Initialize cfg_altered.
11119         (remove_dead_stmt): If we remove an edge in the CFG, then set
11120         CFG_ALTERED.
11121         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11122         the dominators.
11123
11124 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11125
11126         * Makefile.in (stamp-collect-ld): Use
11127         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11128         ./collect-ld if it already exists.
11129         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11130         Don't remove ./nm if it already exists.
11131
11132 2005-07-05  Devang Patel  <dpatel@apple.com>
11133
11134         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11135         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11136         * tree-vectorizer.c (vect_loop_location): New.
11137         (vect_print_dump_info): Use vect_loop_location.
11138         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11139         (vectorize_loops): Set vect_loop_location.
11140         * tree-vect-analyze.c (vect_analyze_offset_expr,
11141         vect_determin_vectorization_factor, vect_analyze_operations,
11142         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11143         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11144         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11145         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11146         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11147         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11148         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11149         vect_analyze_loop): Adjust vect_print_dump_info API.
11150         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11151         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11152         vect_finish_stmt_generation, vectorizable_assignment,
11153         vectorizable_operation, vectorizable_store, vectorizable_load,
11154         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11155         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11156         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11157         vect_transform_loop): Same.
11158         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11159         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11160         Same.
11161
11162 2005-07-05  Randolph Chung  <tausq@debian.org>
11163
11164         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11165         * configure: Regenerate.
11166         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11167         (pa_tls_referenced_p): Declare.
11168         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11169         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11170         (legitimize_tls_address): New.
11171         (hppa_legitimize_address): Handle TLS addresses.
11172         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11173         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11174         (emit_move_sequence): Handle TLS addresses.
11175         (pa_encode_section_info): Call default handler to handle common
11176         sections.
11177         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11178         (CONSTANT_ADDRESS_P): Reject TLS operands.
11179         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11180         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11181         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11182         (UNSPEC_TLSLE): Define new constants.
11183         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11184         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11185         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11186         (tie_symbolic_operand, tle_symbolic_operand): New
11187
11188 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11189
11190         * aclocal.m4: Update macros for autoconf 2.59 style.
11191         * configure.ac: Likewise.
11192
11193 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11194
11195         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11196         (function_arg): Pass small aggregates in general registers on 32-bit
11197         targets.
11198         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11199
11200 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11201
11202         * Makefile.in (final.o): Fix dependencies.
11203
11204 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11205
11206         PR c/22013
11207         PR c/22098
11208         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11209         * langhooks.c (lhd_expr_to_decl): New.
11210         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11211         New.
11212         (LANG_HOOKS_INITIALIZER): Update.
11213         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11214         expr_to_decl langhook.
11215         * c-tree.h (c_expr_to_decl): Declare.
11216         * c-typeck.c (c_expr_to_decl): New.
11217         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11218         specially.
11219         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11220
11221 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11222
11223         PR c/22308
11224         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11225         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11226
11227 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11228
11229         * Makefile.in: Adjust dependencies.
11230         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11231         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11232         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11233         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11234         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11235         rest_of_compilation.
11236
11237         * bb-reorder.c (gate_duplicate_computed_gotos,
11238         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11239         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11240         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11241         pass_partition_blocks): New.
11242         * bt-load.c (gate_handle_branch_target_load_optimize,
11243         rest_of_handle_branch_target_load_optimize,
11244         pass_branch_target_load_optimize): New.
11245         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11246         pass_jump2): New.
11247         * cfglayout.c (pass_insn_locators_initialize): New.
11248         * cfgrtl.c (pass_free_cfg): New.
11249         * combine.c (gate_handle_combine, rest_of_handle_combine,
11250         pass_combine): New.
11251         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11252         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11253         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11254         * except.c (pass_set_nothrow_function_flags,
11255         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11256         pass_rtl_eh): New.
11257         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11258         rest_of_handle_shorten_branches, pass_shorten_branches,
11259         rest_of_clean_state, pass_clean_state): New.
11260         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11261         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11262         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11263         pass_flow2): New.
11264         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11265         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11266         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11267         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11268         pass_gcse): New.
11269         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11270         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11271         pass_rtl_ifcvt, gate_handle_if_after_combine,
11272         rest_of_handle_if_after_combine, pass_if_after_combine,
11273         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11274         pass_if_after_reload): New.
11275         * integrate.c (pass_initial_value_sets): New.
11276         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11277         pass_purge_lineno_notes): New.
11278         * mode-switching.c (rest_of_handle_mode_switching,
11279         pass_mode_switching): New.
11280         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11281         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11282         pass_loop2): New.
11283         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11284         pass_loop_optimize): New.
11285         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11286         pass_sms): New.
11287         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11288         pass_gcse2): New.
11289         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11290         pass_postreload_cse): New.
11291         * profile.c (gate_handle_profiling, pass_profiling,
11292         rest_of_handle_branch_prob, pass_branch_prob): New.
11293         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11294         pass_split_before_regstack, gate_handle_split_before_regstack,
11295         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11296         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11297         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11298         pass_stack_regs): New.
11299         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11300         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11301         pass_stack_adjustments): New.
11302         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11303         pass_regrename): New.
11304         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11305         pass_delay_slots, gate_handle_machine_reorg,
11306         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11307         * rtl.h (extern void purge_line_number_notes): New.
11308         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11309         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11310         pass_sched2): New.
11311         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11312         pass_tracer): New.
11313         * value-prof.c (gate_handle_value_profile_transformations,
11314         rest_of_handle_value_profile_transformations,
11315         pass_value_profile_transformations): New.
11316         * var-tracking.c (gate_handle_var_tracking,
11317         pass_variable_tracking): New.
11318         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11319
11320         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11321         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11322         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11323         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11324         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11325         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11326         rest_of_handle_gcse2, rest_of_handle_regmove,
11327         rest_of_handle_tracer, rest_of_handle_if_conversion,
11328         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11329         rest_of_handle_web, rest_of_handle_branch_prob,
11330         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11331         rest_of_handle_jump_bypass, rest_of_handle_combine,
11332         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11333         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11334         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11335         rest_of_handle_mode_switching, rest_of_handle_jump,
11336         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11337         rest_of_handle_flow2, rest_of_handle_jump2,
11338         rest_of_handle_peephole2, rest_of_handle_postreload,
11339         rest_of_handle_shorten_branches, rest_of_clean_state,
11340         rest_of_compilation): Remove.
11341
11342         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11343         * passes.c (dump_flags, in_gimple_form, all_passes,
11344         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11345         register_dump_files, next_pass_1, last_verified, execute_todo,
11346         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11347         from tree-optimize.c.
11348         (init_optimization_passes): Moved from tree-optimize.c,
11349         adding the RTL optimizations.
11350         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11351         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11352         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11353         register_dump_files, next_pass_1, last_verified, execute_todo,
11354         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11355         init_tree_optimization_passes, ipa_passes): Delete.
11356         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11357         the RTL dumps.
11358         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11359         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11360         from tree.h.
11361         (ipa_passes): Remove.
11362         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11363         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11364         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11365         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11366         (dump_info_p, dump_flag): Moved to tree-dump.h.
11367
11368         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11369         cgraph.c, opts.c.
11370         * passes.c (finish_optimization_passes): Use dump_begin
11371         and dump_end, TDI_end.
11372         (gate_rest_of_compilation): New.
11373         (pass_rest_of_compilation): Use it.
11374         (gate_postreload, pass_postreload): New.
11375         * toplev.c (general_init): Rename init_tree_optimization_passes.
11376         * toplev.h (init_tree_optimization_passes): Rename to
11377         init_optimizations_passes.
11378         * tree-dump.c (dump_flag): Make static.
11379         (dump_files): Remove RTL dumps.
11380         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11381         pass_cleanup_cfg, pass_free_cfg_annotations,
11382         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11383         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11384         * tree-pretty-print.c: Include tree-pass.h.
11385         * cgraph.c: Include tree-dump.h.
11386
11387 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11388
11389         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11390         Only fall back to saying it points to readonly memory if
11391         we can't do better.
11392
11393 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11394
11395         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11396         * config/m32r/m32r.c (m32r_compute_frame_size,
11397         m32r_expand_prologue): Take current_function_profile into
11398         account whenever we reference
11399         current_function_uses_pic_offset_table.
11400         (m32r_finalize_pic): Remove.
11401         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11402
11403 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11404
11405         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11406         instead of $<.  Don't remove ./as if it already exists.
11407
11408 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11409
11410         PR target/21723
11411         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11412         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11413         for complex modes when generating code for PA 1.0.
11414         (VALID_FP_MODE_P): New macro.
11415         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11416         sets for all general and floating point modes.  Align wide floating
11417         point modes to even register boundaries to comply with architectural
11418         requirements.
11419         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11420         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11421         (VALID_FP_MODE_P): New macro.
11422         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11423         sets for all general and floating point modes.  Align wide floating
11424         point modes to even register boundaries to comply with architectural
11425         requirements.
11426
11427 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11428
11429         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11430         to 0.
11431
11432 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11433
11434         * tree-ssa-structalias.c: Don't include expr.h.
11435
11436 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11437
11438         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11439         comments.
11440
11441 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11442
11443         Fix PR tree-optimization/22279
11444
11445         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11446         correct operator.
11447
11448 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11449
11450         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11451
11452 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11453
11454         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11455         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11456         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11457         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11458         config/stormy16/stormy16.c, config/v850/v850.c,
11459         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11460         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11461         Avoid "." or "\n" at end of diagnostics and capital letters at
11462         start of diagnostics.
11463         * combine.c, cse.c: Don't translate dump file output.
11464         * toplev.c (print_version): Only translate output if going to
11465         stderr.
11466
11467 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11468
11469         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11470         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11471         typos.
11472
11473 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11474
11475         * pa.c (fix_range): Fix typo in comment.
11476
11477 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11478
11479         * tree-vrp.c (extract_range_from_assert): Replace
11480         fold (build (...)) with fold_build2.
11481
11482 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11483
11484         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11485         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11486         (format_types_orig, handle_format_attribute): Add support for
11487         format "gcc_gfc".
11488
11489 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11490
11491         * varasm.c (assemble_variable): Fix format specifier thinko.
11492
11493 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11494
11495         PR tree-optimization/22029 (and 22135)
11496         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11497         a phi node before calling dump_vops.
11498
11499 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11500
11501         * tree-dump.h (dump_string_field): Declare.
11502         * tree-dump.c: Use it instead of dump_string.
11503         (dump_string_field): Make non-static.
11504
11505 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11506
11507         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11508         up the minimal CFG stuff always when optimize > 0.  Call
11509         split_all_insns_noflow in PIC case if needed.
11510
11511 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11512             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11513
11514         PR c++/18279
11515         * c-decl.c (c_write_global_declarations): Dump contents of
11516         external scope to.
11517         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11518         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11519         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11520         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11521         is enabled.
11522
11523 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11524
11525         * c-common.h (GCC_DIAG_STYLE): Define.
11526         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11527         version for format checking to 4.1.
11528         * c-format.c: Include toplev.h after c-common.h.
11529         (enum format_type): Add gcc_tdiag_format_type.
11530         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11531         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11532         (format_types_orig): Add gcc_tdiag.
11533         (init_dynamic_diag_info): Support gcc_tdiag formats.
11534         (handle_format_attribute): Likewise.
11535         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11536         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11537         version for format checking to 4.1.
11538         (warning0, warning, error, pedwarn, sorry): Use
11539         ATTRIBUTE_GCC_DIAG.
11540         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11541         (finish_aliases_1): Do not use %qE.
11542         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11543         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11544         Correct format bugs.
11545         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11546         parameter to unsigned HOST_WIDE_INT.
11547         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11548
11549 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11550
11551         PR middle-end/21742
11552         * expr.c (write_complex_part): Use adjust_address for MEM.
11553         (read_complex_part): Same.
11554
11555 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11556
11557         Fix PR tree-optimization/22280
11558
11559         * tree-sra.c (generate_element_init): Remove useless loop.
11560
11561 2005-07-02  Richard Henderson  <rth@redhat.com>
11562
11563         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11564         TLS_MODEL_NONE.
11565         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11566
11567 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11568
11569         PR middle-end/14490
11570         * fold-const.c (fold_binary): Handle the return value of
11571         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11572         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11573
11574 2005-07-02  Jeff Law  <law@redhat.com>
11575
11576         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11577         a eliminate type conversion which feeds an equality comparison
11578         if the original type or either operand in the comparison is a
11579         function pointer.
11580
11581 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11582
11583         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11584         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11585         texts.
11586         * config/avr/avr.c: Do not use '`' as left quote.
11587         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11588         Remove "." from end of diagnostics.  Make diagnostics start with
11589         lowercase letter.
11590
11591 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11592             Joseph S. Myers  <joseph@codesourcery.com>
11593
11594         * toplev.c (default_tree_printer): Handle setting location with
11595         '+' flag.
11596         * c-objc.common.c (c_tree_printer): Likewise.
11597         * c-format.c (gcc_diag_flag_specs): Add '+'.
11598         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11599         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11600         formats.
11601         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11602         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11603         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11604         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11605         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11606         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11607         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11608         format arguments where %J is used without %D.
11609
11610 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11611
11612         * gcc.c (LINK_SSP_SPEC): Define.
11613         (link_ssp_spec): New variable.
11614         (LINK_COMMAND_SPEC): Add %(link_ssp).
11615         (static_specs): Add link_ssp_spec.
11616         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11617         * configure: Rebuilt.
11618         * config.in: Rebuilt.
11619
11620         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11621         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11622         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11623         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11624         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11625         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11626         -0x7008(2) instead of reading __stack_chk_guard variable.
11627         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11628         number.
11629         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11630         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11631         if TARGET_THREAD_SSP_OFFSET is defined.
11632         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11633         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11634
11635         Revert:
11636         2005-06-27  Richard Henderson  <rth@redhat.com>
11637         * libgcc-std.ver (GCC_4.1.0): New.
11638         * libgcc.h (__stack_chk_guard): Declare.
11639         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11640         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11641         * mklibgcc.in (lib2funcs): Add them.
11642
11643 2005-07-01  Richard Henderson  <rth@redhat.com>
11644
11645         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11646         void * before struct sigcontext *.
11647         (x86_fallback_frame_state): Likewise.
11648
11649 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11650
11651         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11652
11653 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11654
11655         PR tree-opt/22269
11656         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11657         we check for SSA_NAME for.
11658
11659 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11660
11661         Fix PR tree-optimization/22071
11662
11663         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11664         function.
11665         (get_constraint_for_component_ref): Use it.
11666
11667 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11668
11669         PR other/22264
11670         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11671         print out the last new line.
11672
11673 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11674
11675         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11676         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11677         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11678         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11679         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11680         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11681         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11682         (enum reg_class): New member CC0_REGS.
11683         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11684         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11685         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11686         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11687         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11688         Adjust for register now described.
11689
11690 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11691
11692         PR target/22262
11693         * config/i386/i386.md (stack_protect_test_si,
11694         stack_protect_test_di): Add earlyclobber for scratch 3.
11695         * config/rs6000/rs6000.md (stack_protect_testsi,
11696         stack_protect_testdi): Add earlyclobber for scratch 3,
11697         remove earlyclobber from scratch 4.
11698
11699 Older entries for 2005 can be found in ChangeLog-2005.