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2005-12-14 Adrian Straetling <straetling@de.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
2
3         * config/s390/s390.md ("atype", "length"): Rewrite.
4         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
5
6 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
7
8         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
9
10 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
11
12         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
13         PARALLELs with a mode.
14
15 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
16
17         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
18         cond_expr parameter.
19
20 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
21
22         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
23
24 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
25
26         PR bootstrap/25397:
27
28         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
29         of STACK_REGS bits.
30
31         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
32
33 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
34
35         PR target/25254
36         PR target/24188
37         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
38         DECL_P, call get_section rather than get_named_section.  Supply
39         section flags to it.
40
41 2005-12-14  Ben Elliston  <bje@au.ibm.com>
42
43         * c-common.c (c_common_truthvalue_conversion): Generalise warning
44         for addresses converted to booleans; not just function addresses.
45         * c-typeck.c (build_binary_op): Warn for address comparisons which
46         can never be NULL (eg. func == NULL or &var == NULL).
47         * common.opt (Walways-true): New option.
48         * c-opts.c (c_common_handle_option): Set it with -Wall.
49         * doc/invoke.texi: Document it.
50
51 2005-12-13  Paul Brook  <paul@codesourcery.com>
52
53         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
54         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
55
56 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
57
58         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
59         (EXTRA_MULTILIB_PARTS): Define.
60
61 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
62
63         PR rtl-optimization/20070 / part1
64         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
65         count_or_remove_death_notes with kill == -1.
66         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
67         registers if PROP_POST_REGSTACK is set.
68         (mark_used_reg): Likewise.
69         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
70         REG_UNUSED notes for stack regs.
71         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
72         to match rtx_equiv_p machinery.  Change caller.
73         (outgoing_edges_match): Likewise.
74         (try_crossjump_to_edge): Use struct_equiv_block_eq
75         instead of flow_find_cross_jump.
76         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
77         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
78         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
79         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
80         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
81         (insns_match_p): Update prototype.
82         (flow_find_cross_jump): Remove prototype.
83         (struct_equiv_block_eq, struct_equiv_init): Declare.
84         (rtx_equiv_p, condjump_equiv_p): Likewise.
85         * struct-equiv.c: Include reload.h.
86         (IMPOSSIBLE_MOVE_FACTOR): Define.
87         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
88         (struct_equiv_improve_checkpoint): Likewise.
89         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
90         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
91         (struct_equiv_merge, find_dying_input): Likewise.
92         (resolve_input_conflict, note_local_live): Likewise.
93         (death_notes_match_p): Change parameters and processing
94         to match rtx_equiv_p machinery.  Change caller.
95         (insns_match_p): Likewise.
96         (flow_find_cross_jump): Replace with:
97         (struct_equiv_block_eq).
98
99         Back out this change:
100         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
101           * recog.c (verify_changes): Make it static.
102           * recog.h: Remove the corresponding prototype.
103
104 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
105
106         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
107         values.
108
109 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
110
111         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
112         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
113         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
114         TARGET_MS1_64_001 appropriately.
115         (ms1_machine_reorg): Use TARGET_MS2.
116
117 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
118
119         PR debug/25023
120         PR target/25293
121         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
122         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
123         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
124         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
125         Set mode to SI, adjust constraints.
126         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
127         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
128         32-bit code.
129
130 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
131
132         * c-cppbuiltin.c (builtin_define_float_constants): Add
133         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
134         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
135         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
136         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
137         to "((double)%sL)" otherwise "%s".
138
139 2005-12-13  Paul Brook  <paul@codesourcery.com>
140
141         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
142         apcs/atpcs.
143
144 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
145
146         * tree-flow.h: Allow compilation with a C++ compiler.
147         (struct edge_prediction): Prefix all field names  with "ep_".
148         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
149         (tree_predict_edge, combine_predictions_for_bb): Likewise.
150         (remove_predictions_associated_with_edge): Likewise.
151         
152 2005-12-12  Jeff Law  <law@redhat.com>
153
154         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
155         reassociation code.
156         * passes.c (init_optimization_passes): Run reassociation again
157         after loop optimizations.
158
159 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
160
161         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
162         if necessary.
163         (optimize_stmt): Ditto.
164         (canonicalize_comparison): New function.
165         * tree-ssa-operands.c (swap_tree_operands): Make external.
166         (get_expr_operands): Stop auto-canonicalization.
167         * tree-ssa-reassoc.c: Rewrite.
168         (init_optimization_passes): 
169         * tree-flow.h (swap_tree_operands): Prototype.
170         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
171
172 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
173
174         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
175         indicate function epilogue has been output.
176         (pa_asm_output_mi_thunk): Likewise.
177         (output_deferred_plabels): Put plabels in readonly data section when
178         not generating PIC code.
179         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
180         information.  Add assert.
181         (som_output_comdat_data_section_asm_op): New function.
182         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
183         instead of output_section_asm_op for COMDAT sections.
184
185 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
186
187         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
188         Fix whitespace in vincinity of to-be-installed changes.
189         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
190         (insns_match_p): Likewise.
191
192 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
193
194         * config.gcc (ms1): Replace with ...
195         (mt): ... this.
196         * config/ms1: Rename to ...
197         * config/mt: ... here.  Rename ms1 files to mt.
198         * config/mt/mt.c: Adjust gt-mt.h #include.
199         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
200         (crti.o, crtn.o): Adjust file names.
201
202 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
203
204         * varray.h: Allow compilation with a C++ compiler.
205         (union varray_data_tag): Prefix all field names with "vdt_".
206         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
207         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
208         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
209         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
210         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
211         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
212         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
213         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
214         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
215         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
216         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
217         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
218         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
219         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
220         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
221         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
222         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
223         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
224         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
225         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
226         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
227         VARRAY_TOP_TREE_PTR): Likewise.
228         * varray.c (varray_grow): Likewise.
229         (varray_clear): Likewise.
230
231 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
232
233         PR target/25299
234         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
235         alignment to doubleword if the first field is a double array.
236         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
237
238 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
239
240         * tree-ssa-structalias.c (process_constraint): Remove code to
241         transform addressofs into scalar.
242         (create_variable_info_for): In whole-program IPA, globals don't
243         point to ANYTHING by default.
244
245 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
246
247         * timevar.def (TV_IPA_PTA): New.
248         * tree-pass.h (pass_ipa_pta): New
249         * tree-ssa-structalias.c: Include cgraph.h
250         (in_ipa_mode): New.
251         (predbitmap_obstack): New.
252         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
253         (struct constraint_stats): Add num_edges.
254         (new_var_info): Don't call bitmap_clear.
255         (struct constraint_edge): Update docs.
256         (new_constraint_edge): Remove src param.
257         (struct constraint_graph): Add zero_weight_succs,
258         zero_weight_preds.  Update docs.
259         (constraint_expr_equal): Reformat.
260         (constraint_edge_equal): Update for removal of src.
261         (constraint_edge_less): Ditto.
262         (constraint_edge_vec_find): Ditto.
263         (erase_graph_self_edge): Update for removal of src and and zero
264         weight bitmap.
265         (clear_edges_for_node): Ditto.
266         (add_graph_edge): Ditto.
267         (get_graph_weights): Ditto.
268         (allocate_graph_weights): Ditto.
269         (merge_graph_nodes): Ditto.
270         (int_add_graph_edge): Ditto.
271         (valid_graph_edge): Ditto.
272         (valid_weighted_graph_edge): Ditto.
273         (build_constraint_graph): Ditto.
274         (scc_visit): Ditto.
275         (collapse_nodes): Ditto.
276         (process_unification_queue): Ditto.
277         (topo_visit): Ditto.
278         (solve_graph): Ditto.
279         (do_structure_copy): Ditto.
280         (perform_var_substitution): Ditto.
281         Init and release obstack.
282         (handle_ptr_arith): Try to resolve directly.
283         (find_func_aliases): Don't call update_alias_info here
284         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
285         (do_sd_constraint): Add code for propagating faster.
286         Update.
287         (do_ds_constraint): Ditto.
288         (count_num_arguments): New function.
289         (create_function_info_for): Ditto.
290         (create_variable_info_for): Handle FUNCTION_DECL.
291         (intra_create_variable_infos): Use make_constraint_to_anything.
292         (init_alias_vars): Init obstacks here.
293         (need_to_solve): Handle zero weight graph changes.
294         (compute_points_to_sets): Call update_alias_info here.
295         (delete_points_to_sets): Free zero weight preds/succs here.
296         (gate_ipa_pta): New.
297         (ipa_pta_execute): New
298
299 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
300
301         * tree-ssa-structalias.c (var_anyoffset): Removed.
302         (anyoffset_tree): Ditto.
303         (anyoffset_id): Ditto.
304         (do_deref): Take vector of constraints, no return value.
305         Update to work on vector.                
306         (get_constraint_for): Ditto.
307         (get_constraint_for_component_ref): Ditto.
308         (do_structure_copy): Ditto.
309         (handle_ptr_arith): Ditto.
310         (find_func_aliases): Ditto.
311         (set_uids_in_ptset): Remove anyoffset handling.
312         (init_base_vars): Ditto.
313
314 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
315
316         PR c++/25010
317         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
318         DECL_EXTERNAL functions have no bodies.  Tidy.
319
320 2005-12-10  Andreas Schwab  <schwab@suse.de>
321
322         * except.c (switch_to_exception_section): Only define if
323         TARGET_UNWIND_INFO is not defined.
324
325 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
326
327         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
328         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
329
330 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
331
332         * output.h (init_section, fini_section): Delete.
333         * varasm.c (init_section, fini_section): Delete.
334         (init_varasm_once): Don't initialize them.
335         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
336         there are no corresponding varasm.c variables.
337
338 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
339
340         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
341         of EH_FRAME_SECTION_NAME into...
342         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
343         if it is still null.
344         * except.c (default_exception_section): Delete, moving most
345         of the code to...
346         (switch_to_exception_section): ...this new function.  Set
347         exception_section if it is still null, then switch to it.
348         (output_function_exception_table): Use switch_to_exception_section.
349         * varasm.c (exception_section, eh_frame_section): Update comments.
350         (get_section): Hoist use of SECTION_NAMED.
351         (init_varasm_once): Don't set exception_section and eh_frame_section.
352         * output.h (default_exception_section): Delete.
353         (default_eh_frame_section): Delete.
354
355 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
356
357         * config/bfin/bfin.c: Include "cgraph.h".
358         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
359         Return the reg that holds the pointer to the GOT.
360         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
361         doing stack checking.
362
363 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
364
365         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
366         recompute_tree_invarant_for_addr_expr.
367         Update uses everywhere.
368
369 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
370
371         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
372         (MULTILIB_DIRNAMES): Define.
373
374 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         PR target/25311
377         * config/s390/s390.c (struct s390_address): New field literal_pool.
378         (s390_decompose_address): Compute literal_pool field.  Do not 
379         assume register %r13 is always (and solely) used as pool base.
380         (s390_extra_constraint_str): Use literal_pool field.
381
382 2005-12-09  Thiemo Seufer  <ths@networkno.de>
383
384         * config/mips/mips.c (override_options): Don't allow too small
385         integers in FP registers.
386
387 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
388
389         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
390         targetm.binds_local_p to check for local function calls.
391
392 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
393
394         PR debug/24908
395         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
396         call_used_regs can't be used to save reg in another reg.
397
398 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
399             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
400
401         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
402         abort.
403         * except.c (output_ttype): Likewise.
404         * tree-object-size.c (collect_object_sizes_for): Likewise.
405         (check_for_plus_in_loops_1): Likewise.
406         (check_for_plus_in_loops): Likewise.
407         (compute_object_sizes): Use gcc_unreachable instead of abort.
408
409 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
410
411         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
412         (loop_end, loop_init, doloop_end): New insns.
413         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
414         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
415         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
416         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
417         * config/ms1/ms1.c: #include basic-block.h
418         (struct machine_function): Add has_loops field.
419         (ms1_add_loop): New.
420         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
421         (struct loop_info, struct loop_work): New.
422         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
423         (ms1_reorg_loops): New loop optimization.
424         (ms1_machine_reorg): Call it.
425         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
426
427 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
428
429         PR tree-optimization/25248
430         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
431         evolution_of_loop from the failed attempt.  Remove handling
432         of MULT_EXPR.
433
434 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
435
436         * tree.h (DECL_EXTERNAL): Clarify documentation.
437
438 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
439             Jakub Jelinek  <jakub@redhat.com>
440
441         PR target/25268
442         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
443         argument.  Don't drop outer ANDs.
444         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
445         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
446         prototype.
447         * config/s390/predicates.md (setmem_operand): Remove.
448         (shift_count_operand): Rename to...
449         (shift_count_or_setmem_operand): ... this.  Adjust
450         s390_decompose_shift_count caller.
451         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
452         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
453         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
454         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
455         rotl<mode>3_and, setmem_long_and): New insns.
456         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
457         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
458         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
459         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
460         of shift_count_operand.
461         (setmem_long): Use shift_count_or_setmem_operand instead of
462         setmem_operand.
463
464 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
465             Andreas Tobler  <a.tobler@schweiz.ch>
466
467         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
468         tr expression.
469
470 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
471
472         * expr.c (force_operand): Use convert_to_mode for conversions.
473
474 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
475
476         * reload.h (reg_equiv_invariant): Declare.
477         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
478         register also when reg_equiv_invariant[R] is set.
479
480 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
481             Andreas Tobler  <a.tobler@schweiz.ch>
482
483         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
484
485 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
486
487         * tree-ssa-pre.c (bitmap_set_and): New function.
488         (bitmap_set_and_compl): New function.
489         (bitmap_set_empty_p): New function.
490         (insert_extra_phis): New function.
491         (compute_avail): Use insert_extra_phis.
492
493 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
494
495         * config/s390/s390.c (s390_expand_atomic): New function.
496         Adjust comment of helper functions.
497         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
498         * config/s390/s390.md ("ATOMIC"): New code macro.
499         ("atomic"): Corresponding new code attribute.
500         ("sync_lock_test_and_set[hq]i", 
501         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
502
503 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
504
505         * config/s390/s390.c (s390_expand_mask_and_shift, 
506         struct alignment_context, init_alignment_context, 
507         s390_expand_cs_hqi): New.
508         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
509         * config/s390/s390.md ("sync_compare_and_swaphi",
510         "sync_compare_and_swapqi"): New pattern.
511
512 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
513
514         Fix PR tree-optimization/25291
515         * tree-ssa-operands.c (add_call_clobber_ops): Remove
516         redundant and crashing check.
517
518 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
519
520         PR target/25212
521         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
522         tests further when !strict && reload_in_progress.
523         (print_operand): Check that both operands of indexed address are regs.
524         (print_operand_address): Likewise.
525         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
526         (INT_REG_OK_FOR_BASE_P): Correct.
527
528 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
529
530         Preparation for PR rtl-optimization/20070 / part1
531         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
532         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
533         outgoing_edges_match.
534         (outgoing_edges_match): Use condjump_equiv_p.
535         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
536         into..
537         * struct-equiv.c: New file.
538         (death_notes_match_p) New function, broken out of insns_match_p.
539         * Makefile.in (OBJS-common): Add struct-equiv.o.
540         (struct-equiv.o): New target.
541
542 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
543
544         * coretypes.h: Revert previous change.
545         * config/darwin.h: Revert previous reversion.
546         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
547
548 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
549
550         * coretypes.h (section): Provide dummy definition for target files.
551         * config/darwin.h: Revert previous change.
552
553 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
554
555         * doc/sourcebuild.texi (all.build, install-normal): Remove.
556         * configure.ac: Remove all.build and install-normal from target_list
557         * configure: Regenerate.
558         * Makefile.in (install): Don't depend on install-normal.
559
560 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
561
562         * Makefile.in: Document the use of stamps.
563
564 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
565
566         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
567         * Makefile.in: Add code to compute some dependencies on s-gtype
568         automatically.  Remove the declaration of those dependencies.
569
570 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
571
572         * gcc/reload.c (push_secondary_reload): Fix typo:
573         s/insn_constraint/scratch_constraint/.
574
575 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
576
577         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
578
579 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
580
581         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
582         (alpha_elf_select_rtx_section): Return the selected section rather
583         than emitting assembly code.
584         (alpha_write_linkage): Emit a ".link" directive directly and then
585         set in_section to NULL.
586         (vms_asm_out_constructor): Use switch_to_section.
587         (vms_asm_out_destructor): Likewise.
588         (unicosmk_output_common): Set in_section to NULL instead of calling
589         the dummy common_section function.
590         (unicosmk_text_section): Delete in favor of...
591         (unicosmk_output_text_section_asm_op): ...this new function.
592         (unicosmk_data_section): Delete in favor of...
593         (unicosmk_output_data_section_asm_op): ...this new function.
594         (unicosmk_init_sections): New function.
595         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
596         (unicosmk_output_ssib): Set in_section to NULL instead of calling
597         the dummy ssib_section function.
598         (unicosmk_section_buf): Delete.
599         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
600         (unicosmk_data_section): Delete.
601         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
602         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
603         (SECTION_FUNCTION_TEMPLATE): Delete.
604         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
605         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
606         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
607         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
608         (TARGET_ASM_INIT_SECTIONS): Define.
609         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
610         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
611         (link_section, literals_section): Delete.
612         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
613         set in_section to NULL.
614
615         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
616         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
617         (COMMON_SECTION): Delete.
618         (TARGET_ASM_INIT_SECTIONS): Define.
619         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
620         the dummy common_section function.
621         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
622         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
623         between readonly_data_section and text_section to check whether
624         read-only data is being put in the text section.
625         (arm_output_function_epilogue): Use switch_to_section.
626         (arm_elf_asm_constructor): Likewise.
627         (thumb_call_via_reg): Replace call to in_text_section with
628         a comparison between in_section and text_section.
629         (arm_file_end): Use switch_to_section.
630         (aof_text_section): Delete in favor of...
631         (aof_output_text_section_asm_op): ...this new function.
632         (aof_data_section): Delete in favor of...
633         (aof_output_data_section_asm_op): ...this new function.
634         (aof_asm_init_sections): New function.
635         (zero_init_section): Moved from config/arm/aof.h.
636         (aof_dump_imports, aof_file_start): Use switch_to_section.
637         * config/arm/arm.h (thumb_call_via_label): Update comment.
638         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
639         (common_section): Delete.
640         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
641         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
642         global switch_to_section function instead of the old port-local one.
643         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
644         (SWITCH_TO_SECTION_FUNCTION): Delete.
645         (drectve_section): Redefine as a macro.
646         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
647         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
648         switch_to_section.
649
650         * config/avr/avr.c (progmem_section): New variable.
651         (avr_output_progmem_section_asm_op): New function.
652         (avr_asm_init_sections): New function.
653         (avr_output_addr_vec_elt): Use switch_to_section.
654         * config/avr/avr.h (progmem_section): Declare.
655         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
656         (READONLY_DATA_SECTION): Delete.
657         (TARGET_ASM_INIT_SECTIONS): Define.
658         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
659         * config/avr/avr-protos.h (progmem_section): Delete.
660
661         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
662
663         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
664         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
665
666         * config/darwin-sections.def: New file.
667         * config/darwin.c: Define all sections in darwin-sections.def.
668         (output_objc_section_asm_op, darwin_init_sections): New functions.
669         (machopic_output_indirection): Use switch_to_section.
670         (machopic_select_section): Return the selected section rather than
671         emitting assembly code.  Replace the static function table with
672         inline conditional expressions.  Update the tests of last_text_section
673         and move them into the FUNCTION_DECL block.
674         (machopic_select_rtx_section): Return the selected section rather than
675         emitting assembly code.
676         (machopic_asm_out_constructor, machopic_asm_out_destructor)
677         (darwin_file_end): Use switch_to_section.
678         * config/darwin.h: Use darwin-sections.def to declare sections.
679         (INIT_SECTION_ASM_OP): Remove empty definition.
680         (HAS_INIT_SECTION): Define this instead.
681         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
682         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
683         (TARGET_ASM_EH_FRAME_SECTION): Delete.
684         (TARGET_ASM_INIT_SECTIONS): Define.
685         * config/darwin-protos.h (darwin_init_sections): Declare.
686         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
687         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
688         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
689         (constructor_section, destructor_section, mod_init_section): Delete.
690         (mod_term_section): Delete.
691         (darwin_exception_section, darwin_eh_frame_section): Delete.
692         (machopic_select_section): Return a section.
693         (machopic_select_rtx_section): Likewise.
694         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
695         (const_section, const_coal_section, const_data_section): Delete.
696         (const_data_coal_section, data_coal_section, cstring_section): Delete.
697         (literal4_section, literal8_section, constructor_section): Delete.
698         (mod_init_section, mod_term_section, destructor_section): Delete.
699         (objc_class_section, objc_meta_class_section, objc_category_section)
700         (objc_class_vars_section, objc_instance_vars_section): Delete.
701         (objc_cls_meth_section, objc_inst_meth_section): Delete.
702         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
703         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
704         (objc_symbols_section, objc_module_info_section): Delete.
705         (objc_image_info_section, objc_protocol_section): Delete.
706         (objc_string_object_section, objc_constant_string_object_section)
707         (objc_class_names_section, objc_meth_var_names_section): Delete.
708         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
709         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
710         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
711         (darwin_exception_section, darwin_eh_frame_section): Delete.
712         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
713
714         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
715         (frv_asm_out_destructor): Likewise.
716         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
717         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
718         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
719         get_named_section.
720         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
721         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
722         (data_section): Delete.
723
724         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
725         (DRECTVE_SECTION_FUNCTION): Delete.
726         (drectve_section): Redefine as a macro that sets in_section after
727         emitting the directive.
728         (SWITCH_TO_SECTION_FUNCTION): Delete.
729         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
730         in_text_section with comparison between in_section and text_section.
731         * config/i386/i386.c (x86_64_elf_select_section): Return the section
732         rather than emitting assembly code.  Use get_named_section.
733         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
734         get_named_section.
735         (machopic_output_stub): Use switch_to_section.
736         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
737         (nwld_named_section_asm_out_destructor): Use get_section and
738         switch_to_section.
739
740         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
741         rather than emitting assembly code.
742         (ia64_rwreloc_select_section): Likewise.
743         (ia64_rwreloc_select_rtx_section): Likewise.
744         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
745         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
746         switch_to_section.
747         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
748         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
749
750         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
751         section rather than emitting assembly code.
752         (iq2000_select_section): Likewise.
753         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
754         (sbss_section): Delete.
755
756         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
757         and get_named_section.
758         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
759
760         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
761         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
762         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
763         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
764         in_section to NULL.
765         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
766         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
767         global switch_to_section function instead of the old port-local one.
768         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
769         (SWITCH_SECTION_FUNCTION): Delete.
770         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
771         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
772         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
773         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
774         in_section to NULL.
775         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
776         global switch_to_section function instead of the old port-local one.
777         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
778
779         * config/mips/mips.c (mips_file_start): Update comment.
780         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
781         (mips_output_aligned_decl_common): Use switch_to_section.
782         (mips_select_rtx_section): Return the section rather than emitting
783         assembly code.  Use get_named_section.
784         (mips_function_rodata_section: Likewise get_section.
785         (build_mips16_function_stub): Use switch_to_section.
786         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
787         (SDATA_SECTION_ASM_OP): Delete.
788         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
789         (EXTRA_SECTION_FUNCTIONS): Delete.
790
791         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
792         (mmix_asm_output_aligned_local): Use switch_to_section.
793
794         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
795         (som_one_only_readonly_data_section): New variables.
796         (pa_output_function_epilogue): Set in_section to NULL instead of
797         calling forget_section.
798         (output_deferred_plabels): Use select_section.
799         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
800         of calling forget_section.
801         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
802         (pa_asm_output_aligned_local): Use select_section.
803         (som_text_section_asm_op): Delete in favor of...
804         (som_output_text_section_asm_op): ...this new function.
805         (pa_som_asm_init_sections): New function.
806         (pa_select_section): Return the section rather than emitting
807         assembly code.
808         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
809         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
810         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
811         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
812         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
813         (som_readonly_data_section, som_one_only_readonly_data_section)
814         (som_one_only_data_section, forget_section): Delete.
815         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
816         (TARGET_ASM_INIT_SECTIONS): Define.
817         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
818
819         * config/rs6000/rs6000.c (read_only_data_section): New variable.
820         (private_data_section, read_only_private_data_section): New variables.
821         (sdata2_section, toc_section): New variables.
822         (rs6000_file_start): Use switch_to_section.
823         (rs6000_assemble_integer): Use comparisons against in_section
824         instead of calling in_toc_section and in_text_section.  Use
825         unlikely_text_section_p.
826         (rs6000_elf_output_toc_section_asm_op): New function, derived
827         from the old rs6000/sysv4.h toc_section function.
828         (rs6000_elf_asm_init_sections): New function.
829         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
830         the section rather than emitting assembly code.
831         (machopic_output_stub): Use switch_to_section.
832         (toc_section): Delete dummy function.
833         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
834         switch_to_section and get_section.
835         (rs6000_xcoff_output_readonly_section_asm_op): New function.
836         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
837         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
838         the old rs6000/xcoff.h toc_section function.
839         (rs6000_xcoff_asm_init_sections): New function.
840         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
841         the section rather than emitting assembly code.
842         (rs6000_xcoff_file_start): Use switch_to_section.
843         (rs6000_xcoff_file_end): Likewise.
844         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
845         (sdata2_section, sbss_section, private_data_section): Delete.
846         (read_only_data_section, read_only_private_data_section): Delete.
847         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
848         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
849         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
850         (FINI_SECTION_FUNCTION): Delete.
851         (TARGET_ASM_INIT_SECTIONS): Define.
852         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
853         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
854         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
855         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
856         (READONLY_DATA_SECTION): Delete.
857         (TARGET_ASM_INIT_SECTIONS): Define.
858         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
859         to NULL rather than no_section.
860         (TARGET_ASM_EXCEPTION_SECTION): Delete.
861
862         * config/sh/sh.c (sh_file_start): Use switch_to_section.
863
864         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
865         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
866         from call to current_function_section.
867
868         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
869         (bss100_section): New variable.
870         (xstormy16_asm_output_aligned_common): Use switch_to_section.
871         (xstormy16_asm_init_sections): New function.
872         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
873         switch_to_section and get_section.
874         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
875         from calls to current_function_section.
876         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
877         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
878         (TARGET_ASM_INIT_SECTIONS): Define.
879         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
880
881         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
882         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
883         (FINI_SECTION_FUNCTION): Delete.
884
885         * config/v850/v850.c: Include gt-v850.h.
886         (rosdata_section, rozdata_section, tdata_section, zdata_section)
887         (zbss_section): New variables.
888         (v850_output_aligned_bss): Use switch_to_section.
889         (v850_asm_init_sections): New function.
890         (v850_select_section): Return the section rather than emitting
891         assembly code.
892         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
893         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
894         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
895         (TARGET_ASM_INIT_SECTIONS): Define.
896         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
897         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
898         (zbss_section): Delete.
899
900         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
901
902         * config/vx-common.h (vxworks_exception_section): Delete.
903         (TARGET_ASM_EXCEPTION_SECTION): Delete.
904
905         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
906         section rather than emitting assembly code.
907         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
908         switch_to_section.
909
910         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
911         * coretypes.h (section): New union and typedef.
912         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
913         from call to current_function_section.
914         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
915         (dbxout_symbol_location): Use switch_to_section.
916         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
917         most of the code into...
918         (default_eh_frame_section): ...here.  Return a section.
919         (collect2_eh_frame_section): Delete, moving most of the code into..
920         (switch_to_eh_frame_section): ...this new function.
921         (debug_info_section, debug_abbrev_section, debug_aranges_section)
922         (debug_macinfo_section, debug_line_section, debug_loc_section)
923         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
924         variables.
925         (output_call_frame_info): Call switch_to_eh_frame_section instead of
926         eh_frame_section.  Use switch_to_section and get_section.
927         (dwarf2out_begin_prologue): Use switch_to_section.
928         (AT_string_form): Check the flags in debug_str_section instead of
929         DEBUG_STR_SECTION_FLAGS.
930         (output_comp_unit): Use switch_to_section, get_section, and
931         debug_info_section.
932         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
933         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
934         from call to current_function_section.
935         (dwarf2out_var_location): Use unlikely_text_section_p.
936         (dwarf2out_source_line): Use switch_to_section.  Remove argument
937         from call to current_function_section.
938         (dwarf2out_start_source_file, dwarf2out_end_source_file)
939         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
940         debug_macinfo_section.
941         (dwarf2out_init): Initialize the new section variables.  Use them
942         instead of calls to named_section_flags.  Use switch_to_section.
943         (output_indirect_string): Use switch_to_section and debug_str_section.
944         (dwarf2out_finish): Use switch_to_section and the new section
945         variables.
946         * except.c (default_exception_section): Return the section instead
947         of emitting assembly code.
948         (output_function_exception_table): Use the global exception_section
949         variable instead of the target hook.  Use switch_to_section.  Remove
950         argument from call to current_function_section.
951         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
952         (shorten_branches): Use pointer comparisons to detect whether the
953         text section is the same as readonly_data_section.
954         (profile_function): Use switch_to_section.  Remove argument from
955         call to current_function_section.
956         (final_scan_insn): Likewise.  Update use of last_text_section.
957         * gengtype.c (open_base_files): Add an include of output.h.
958         * output.h (text_section, data_section, readonly_data_section)
959         (ctors_section, dtors_section, bss_section, init_section)
960         (fini_section, sdata_section): Turn into section pointers.
961         (in_text_section, in_unlikely_text_section, exports_section)
962         (drectve_section, named_section, mergeable_string_section)
963         (last_text_section_name): Delete.
964         (default_exception_section, default_eh_frame_section): Return sections.
965         (SECTION_DECLARED, SECTION_NAMED): New macros.
966         (SECTION_MACH_DEP): Bump value.
967         (section_common, named_section, unnamed_section): New structures.
968         (unnamed_section_callback): New typedef.
969         (section): New union.
970         (sbss_section, exception_section, eh_frame_section): New variables.
971         (in_section, last_text_section): Turn into section pointers.
972         (get_unnamed_section, get_section, get_named_section): New functions.
973         (mergeable_constant_section, function_section): Return a section.
974         (unlikely_text_section): Likewise.
975         (current_function_section): Likewise.  Remove the decl argument.
976         (unlikely_text_section_p, switch_to_section): New functions.
977         (output_section_asm_op): New function.
978         (set_named_section_flags, named_section_flags, named_section_real)
979         (named_section_first_declaration): Delete.
980         (default_select_section, default_elf_select_section): Return a section.
981         (default_elf_select_section_1, default_function_rodata_section)
982         (default_no_function_rodata_section, default_select_rtx_section)
983         (default_elf_select_rtx_section): Likewise.
984         * rtl.h (in_data_section): Delete.
985         * sdbout.c (sdbout_one_type): Use switch_to_section.
986         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
987         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
988         (TARGET_ASM_EH_FRAME_SECTION): Poison.
989         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
990         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
991         (TARGET_ASM_OUT): Update after above changes.
992         * target.h (init_sections): New hook.
993         (exception_section, eh_frame_section): Delete.
994         (select_section, select_rtx_section, function_rodata_section): Return
995         a section rather than emitting assembly code.
996         * varasm.c (text_section, data_section, readonly_data_section)
997         (ctors_section, dtors_section, bss_section, init_section)
998         (fini_section): Turn into section pointers.
999         (sdata_section, sbss_section, exception_section): New variables.
1000         (eh_frame_section): New variable.
1001         (in_section): Make global and turn into a section pointer.
1002         (last_text_section): Turn into a section pointer.
1003         (unnamed_sections): New variable.
1004         (in_named_name, last_text_section_name): Delete.
1005         (EXTRA_SECTION_FUNCTIONS): Delete.
1006         (in_named_entry): Delete.
1007         (section_htab): New variable, replacing...
1008         (in_named_htab): ...this deleted variable.
1009         (section_entry_eq, section_entry_hash): New functions, based on...
1010         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1011         (get_unnamed_section, get_section): New functions.
1012         (unlikely_text_section): Return a section instead of emitting
1013         assembly code.
1014         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1015         (get_named_section_flags, named_section_first_declaration): Delete.
1016         (unlikely_text_section_p): New function.
1017         (named_section_real, named_section): Delete.
1018         (get_named_section): New function.
1019         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1020         (function_section): Return a section rather than emitting
1021         assembly code.
1022         (current_function_section): Likewise.  Remove argument.  Use
1023         last_text_section if nonnull, otherwise use function_section.
1024         (default_function_rodata_section): Return a section rather than
1025         emitting assembly code.  Use get_section.
1026         (default_no_function_rodata_section): Return a section rather than
1027         emitting assembly code.
1028         (variable_section): Use switch_to_section and get_named_section.
1029         (mergeable_string_section): Return a section rather than emitting
1030         assembly code.  Use get_section.  Make static.  Don't take special
1031         countermeasures for empty strings.
1032         (mergeable_constant_section): Return a section rather than emitting
1033         assembly code.  Use get_section.
1034         (default_named_section_asm_out_destructor): Use switch_to_section
1035         and get_section.
1036         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1037         (default_named_section_asm_out_constructor): Use switch_to_section
1038         and get_section.
1039         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1040         (assemble_start_function): Likewise.  Set last_text_section to
1041         NULL rather than no_section.  Change the type of save_section.
1042         (assemble_zeros, assemble_variable): Use the section flags to detect
1043         whether or not a section is text.
1044         (assemble_static_space): Use switch_to_section.
1045         (assemble_trampoline_template): Likewise.
1046         (output_constant_def_contents): Use switch_to_section and
1047         get_named_section.
1048         (output_constant_pool_1): Use switch_to_section.  Use the section
1049         flags to see whether sections contain mergeable data.
1050         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1051         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1052         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1053         whether a section has already been declared.
1054         (default_select_section, default_elf_select_section): Return a
1055         section rather than emitting assembly code.
1056         (default_elf_select_section_1): Likewise.  Use bss_section for
1057         SECCAT_BSS if nonnull.  Use get_named_section.
1058         (default_select_rtx_section): Return a section rather than
1059         emitting assembly code.
1060         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1061         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1062         (output_section_asm_op, switch_to_section): New functions.
1063         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1064         get_named_section.
1065
1066         * doc/tm.texi: Expand the introduction to the sections documentation.
1067         (TRAMPOLINE_SECTION): Document new interface.
1068         (SDATA_SECTION_ASM_OP): Document new macro.
1069         (READONLY_DATA_SECTION): Delete.
1070         (SDATA_SECTION_ASM_OP): Document new macro.
1071         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1072         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1073         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1074         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1075         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1076
1077 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1078
1079         * gcc.c (init_gcc_specs): Match braces inside conditionally
1080         compiled strings.
1081
1082 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1083
1084         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1085
1086 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1087
1088         PR C++/24138
1089         * tree.c (integer_all_onesp): Always return true if all bits on.
1090
1091         * testsuite/g++.dg/init/array0.C: New.
1092
1093 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1094
1095         * doc/md.texi: Adapt to implementation.
1096
1097 2005-12-06  Andreas Schwab  <schwab@suse.de>
1098
1099         * opts.c (decode_options): Fix typo in message.
1100
1101 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1102
1103         PR other/13873
1104         * longlong.h: Merge PPC tests from upstream.
1105
1106 2005-12-06  Richard Guenther  <rguenther@suse.de>
1107
1108         * fold-const.c (fold_convert): Do not build and fold
1109         CONVERT_EXPR, but always use NOP_EXPR.
1110
1111 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1112
1113         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1114         __builtin_ia32_paddq and __builtin_ia32_subq.
1115         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1116         __builtin_ia32_pshufw.
1117         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1118
1119 2005-12-05  James E Wilson  <wilson@specifix.com>
1120
1121         PR target/24934
1122         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1123         is set.
1124
1125 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1126         
1127         * print-tree.c (print_node): Ditto.
1128         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1129         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1130         before accessing DECL_ARTIFICIAL. 
1131         Handle new tag tree codes.
1132         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1133         changes.
1134         (unmodifiable_var_p): Ditto.
1135         * tree-flow.h (mem_tag_kind): Remove.
1136         (struct var_ann_d): Remove mem_tag_kind member.
1137         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1138         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1139         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1140         (group_aliases): Ditto.
1141         (setup_pointers_and_addressables): Ditto.
1142         (is_escape_site): Ditto.                                          
1143         (may_alias_p): Ditto.
1144         (create_tag_raw): New function.
1145         (create_memory_tag): Use it.
1146         (dump_alias_info): Update for tags.
1147         (may_be_aliased): Ditto.
1148         (add_type_alias): Ditto.
1149         (new_type_alias): Ditto.
1150         (create_sft): Ditto.
1151         (create_structure_vars): Ditto.
1152         * tree-ssa-ccp.c (get_default_value): Ditto.
1153         * tree-ssa-operands.c (get_expr_operands): Ditto.
1154         (add_stmt_operand): Ditto.
1155         (add_call_clobber_ops): Remove duplicated condition.
1156         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1157         tags.
1158         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1159         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1160         * tree.c (init_ttree): Update structures for new tree codes.
1161         (tree_code_size): Update sizes for new tree codes.
1162         (make_node_stat): Don't try to set common things on minimal
1163         structures.
1164         (tree_node_structure): Update for tags.
1165         (is_global_var): Ditto.
1166         * tree.def: Add new tree codes.
1167         * tree.h (MTAG_P): New macro.
1168         (TREE_MEMORY_TAG_CHECK): Ditto.
1169         (SSA_VAR_P): Update for tags.
1170         (struct tree_memory_tag): New structure.
1171         (MTAG_GLOBAL): New macro.
1172         (union tree_node): Add memory tag member.
1173         * treestruct.def (TS_MEMORY_TAG): New.
1174         
1175 2005-12-05  Dale Johannesen  <dalej@apple.com>
1176
1177         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1178         what was approved (PR 24323).
1179
1180 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1181
1182         * doc/c-tree.texi (Function Bodies): Remove description of
1183         RETURN_INIT.
1184
1185 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1186
1187         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1188         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1189         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1190         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1191         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1192         __divxc3): Document.
1193
1194 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1195
1196         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1197         previous behaviour.
1198         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1199         hook_bool_void_false.
1200         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1201         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1202
1203         * config/darwin.c (machopic_select_section): It's not defined
1204         as weak if it's only marked as weak_import.
1205         
1206         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1207         Prototype.
1208
1209         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1210         A hidden weak object does bind locally.  Strong linkonce data
1211         counts like any other strong symbol for binding.
1212         (weak_finish_1): Don't specially handle weakrefs, they no longer
1213         arrive here.
1214         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1215         * c-common.c (handle_alias_attribute): Allow static aliases
1216         of variables.
1217         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1218         * gthr-dce.h: Make weakrefs static.
1219         * gthr-tpf.h: Likewise.
1220         * gthr-solaris.h: Likewise.
1221         * gthr-posix.h: Likewise.
1222         * gthr-posix95.h: Likewise.
1223         * config/darwin.c (darwin_encode_section_info): static weakref
1224         variables are not necessarily defined in this translation unit.
1225         * doc/extend.texi (Function Attributes): Mention that an alias
1226         attribute creates a definition for the thing it's attached to.
1227         Change the documentation for weakref to say that the thing
1228         it's attached to must be static.
1229
1230         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1231         we don't go into an infinite loop.
1232
1233 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1234
1235         * config/rs6000/predicates.md (logical_const_operand): Split
1236         out of logical_operand.
1237         (logical_operand): Use it.
1238         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1239         logical_const_operand.
1240
1241 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1242
1243         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1244         and IX86_BUILTIN_CMPNESS.
1245         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1246         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1247         * config/i386/i386.md (movti_internal): Correct type attribute.
1248         Simplify mode attribute.
1249         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1250         Correct type attribute.
1251         (absxf2): Correct operator.
1252         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1253         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1254         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1255         mode attribute.
1256         (sse2_vmsqrtv2df2): Correct mode attribute.
1257
1258 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1259
1260         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1261         16 bits. Provide insn pattern for this case.
1262
1263 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1264
1265         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1266         result.
1267         (__popcountDI2): Likewise.
1268
1269 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1270
1271         PR target/25166
1272         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1273         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1274         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1275         functions.
1276
1277 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1278
1279         * c-typeck.c (null_pointer_constant_p): New function.
1280         (build_conditional_expr, build_c_cast, convert_for_assignment,
1281         build_binary_op): Use it.
1282
1283 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1284
1285         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1286         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1287         CONVERT_EXPR.
1288         (check_function_arguments_recurse): Allow both NOP_EXPR and
1289         CONVERT_EXPR but check conversions preserve precision.
1290         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1291         but check conversions preserve precision.
1292         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1293         default case.
1294
1295 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1296
1297         PR c/7776
1298         * common.opt (Wstring-literal-comparison): New command line option.
1299         * c-opts.c (c_common_handle_option): Set it with -Wall.
1300         * c-typeck.c (parser_build_binary_op): Issue warning if either
1301         operand of a comparison operator is a string literal, except for
1302         testing equality or inequality against NULL.
1303
1304         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1305
1306 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1307
1308         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1309         of building a NOP_EXPR.
1310         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1311         NOP_EXPR.
1312         * c-convert.c (convert): Use fold_convert instead of building
1313         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1314         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1315         #if 0 code.
1316         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1317         NOP_EXPR the same as CONVERT_EXPR.
1318         * c-typeck.c (build_function_call): Use fold_convert instead of
1319         building a NOP_EXPR directly.
1320         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1321
1322 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1323
1324         PR rtl-optimization/25197
1325         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1326         have a reg.
1327
1328 2005-12-02  Stuart Hastings  <stuart@apple.com>
1329
1330         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1331         warning.
1332
1333 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1334
1335         * c-typeck.c (default_function_array_conversion,
1336         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1337         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1338         orig_op2.  Don't check them for NOP_EXPR.
1339         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1340         around integer zero.
1341
1342 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1343
1344         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1345         toc_save_offset, toc_size, lr_size.
1346         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1347         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1348         Adjust for removal of unused rs6000_stack_t fields.
1349         (debug_stack_info): Adjust.
1350         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1351         first, and don't bother checking for set/inc of lr on sibcalls.
1352         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1353
1354 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR target/25199
1357         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1358         5 if operand 1 is not aligned.  Undo previous constraint change.
1359         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1360
1361 2005-12-02  Richard Guenther  <rguenther@suse.de>
1362
1363         * tree.h (build): Remove prototype.
1364         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1365         * tree.c (build): Remove.
1366         (build0_stat): Update comment.
1367
1368 2005-12-02  Richard Guenther  <rguenther@suse.de>
1369
1370         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1371         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1372         Likewise.
1373         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1374         maybe_fold_offset_to_component_ref): Likewise.
1375         * tree-ssa-dom.c (thread_across_edge,
1376         simplify_rhs_and_lookup_avail_expr,
1377         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1378         Likewise.
1379         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1380         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1381         lower_try_finally_switch): Likewise.
1382         * tree-if-conv.c (add_to_dst_predicate_list,
1383         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1384         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1385         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1386         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1387         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1388         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1389         gimplify_init_ctor_eval, gimplify_init_constructor,
1390         gimplify_variable_sized_compare, gimplify_boolean_expr,
1391         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1392         gimplify_expr, gimplify_body, gimplify_function_tree,
1393         force_gimple_operand): Likewise.
1394         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1395         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1396         mx_register_decls): Likewise.
1397         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1398         get_frame_field, finalize_nesting_tree_1): Likewise.
1399         * tree-inline.c (setup_one_parameter): Likewise.
1400         * tree-vect-transform.c (vectorizable_condition): Likewise.
1401         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1402         Likewise.
1403         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1404         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1405         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1406         * tree-chrec.h (build_polynomial_chrec): Likewise.
1407
1408 2005-12-02  Richard Guenther  <rguenther@suse.de>
1409
1410         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1411         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1412         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1413         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1414         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1415         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1416         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1417         Likewise.
1418         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1419         sh_adjust_unroll_max): Likewise.
1420         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1421         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1422         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1423         Likewise.
1424         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1425         Likewise.
1426         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1427         Likewise.
1428
1429 2005-12-02  Richard Guenther  <rguenther@suse.de>
1430
1431         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1432         simplify_cond_using_ranges): Use buildN instead of build.
1433         * tree-tailcall.c (adjust_accumulator_values,
1434         adjust_return_value): Likewise.
1435         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1436         generate_element_copy, generate_element_zero,
1437         generate_one_element_init): Likewise.
1438         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1439         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1440         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1441         perfect_nestify): Likewise.
1442
1443 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1444
1445         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1446
1447 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1448
1449         * ggc.h (GGC_RESIZEVEC): New.
1450
1451 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1452
1453         * gcc.c (execute): Improve readability.
1454
1455 2005-12-02  Richard Guenther  <rguenther@suse.de>
1456
1457         * tree-cfg.c (mark_used_vars): New function.
1458         (dump_function_to_file): Dump only used VAR_DECLs.
1459
1460 2005-12-02  Richard Guenther  <rguenther@suse.de>
1461
1462         * convert.c (convert_to_integer): Fix compare for nonpositive
1463         constant to use tree_int_cst_sgn <= 0.
1464
1465 2005-12-02  Richard Guenther  <rguenther@suse.de>
1466
1467         * convert.c (convert_to_integer): Use fold_convert instead
1468         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1469         instead of comparing against 0.  Use build_int_cst instead
1470         of converting integer_zero_node.
1471
1472 2005-12-02  Richard Guenther  <rguenther@suse.de>
1473
1474         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1475         and RROTATE_EXPR.
1476  
1477 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1478
1479         PR target/21017
1480         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1481         rotates.
1482
1483 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1484
1485         PR middle-end/25176
1486         * function.c (expand_function_end): Emit blockage for unwinder
1487         after return label.
1488
1489 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1490
1491         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1492         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1493         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1494         integer constant comparisons.
1495
1496 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1497             Janis Johnson  <janis187@us.ibm.com>
1498             David Edelsohn  <dje@watson.ibm.com>
1499             Ben Elliston  <bje@au.ibm.com>
1500
1501         * dfp.h, dfp.c: New files.
1502         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1503         (DECNUM_H): Likewise.
1504         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1505         (INCLUDES): Append $(DECNUMINC).
1506         (OBJS-common): Add dfp.o.
1507         (dfp.o): New rule.
1508         * real.h (EXP_BITS): Pinch one bit to ..
1509         (struct real_value): Add decimal field.
1510         (real_format): Change table size, update documentation.
1511         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1512         (real_from_string3): Declare.
1513         (decimal_single_format): Declare.
1514         (decimal_double_format): Declare.
1515         (decimal_quad_format): Declare.
1516         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1517         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1518         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1519         * real.c: Include dfp.h.
1520         (normalize): Early return for decimal floats.
1521         (do_add): Zero decimal field.
1522         (do_compare): Call do_decimal_compare for decimal floats.
1523         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1524         (real_arithmetic): Call decimal_real_arithmetic for decimal
1525         floating point operands.
1526         (real_identical): If a and b are of differing radix, return false.
1527         (real_to_integer): Call decimal_real_to_integer if the value is a
1528         decimal float.
1529         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1530         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1531         (real_to_hexadecimal): Place "N/A" in the return string for
1532         decimal float.
1533         (real_from_string3): New variant, given a mode.
1534         (real_maxval): Use decimal_real_maxval for decimal floats.
1535         (round_for_format): Use decimal_round_for_format for decimals.
1536         (real_convert): Use decimal_real_convert where appropriate.
1537         (significand_size): Handle base 10.
1538         (encode_decimal_single, decode_decimal_single,
1539         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1540         decode_decimal_quad): New functions.
1541         (decimal_single_format): New.
1542         (decimal_double_format): New.
1543         (decimal_quad_format): New.
1544         * machmode.def: Add SD, DD and TD decimal floating point modes.
1545         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1546         Include MODE_DECIMAL_FLOAT.
1547         (DECIMAL_FLOAT_MODE_P): New.
1548         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1549         * genmodes.c (struct mode_data): Add counter field.
1550         (struct mode_data): Update comment for format.
1551         (blank_mode): Initialise counter field.
1552         (new_mode): Increment counter field for each mode defined.
1553         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1554         using a format.
1555         (make_complex_modes): Handle modes containing `D'.
1556         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1557         (make_decimal_float_mode): New.
1558         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1559         (cmp_modes): Compare counter field if other characteristics
1560         similar.
1561         (emit_real_format_for_mode): Support formats for decimal floats.
1562         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1563         Document MODE_DECIMAL_FLOAT.
1564
1565 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1566
1567         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1568         Delete dead code.
1569
1570 2005-12-01  Richard Henderson  <rth@redhat.com>
1571
1572         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1573
1574 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1575
1576         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1577
1578         * config/pa/pa.c (pa_init_builtins): If we detect
1579         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1580         putc_unlocked.
1581
1582 2005-12-01  Richard Guenther  <rguenther@suse.de>
1583
1584         * fold-const.c (fold_binary): Use fold_build2, not
1585         fold (build (...)).
1586
1587 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1588
1589         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1590
1591         * vec.h (VEC_block_remove): New.
1592
1593 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1594
1595         PR c/13384
1596         * c-common.c (lvalue_error): Fix wording.
1597
1598 2005-12-01  Richard Guenther  <rguenther@suse.de>
1599
1600         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1601         thinko in last patch.
1602
1603 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1604
1605         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1606         than -flat_namespace.
1607
1608 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1609
1610         * mklibgcc.in: Parameterise the script to build soft float
1611         functions by iterating over each type, rather than cloning the
1612         code for each type.
1613
1614 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1615
1616         PR middle-end/25158
1617         * builtins.c (fold_builtin_fputs): Defer check for missing
1618         replacement functions.
1619
1620 2005-11-30  Kean Johnston  <jkj@sco.com>
1621
1622         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1623         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1624
1625 2005-11-30  Richard Guenther  <rguenther@suse.de>
1626
1627         PR tree-optimization/22501
1628         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1629         function split out from ...
1630         (forward_propagate_addr_expr): ... here.  Use it to propagate
1631         ADDR_EXPRs to all uses.
1632
1633 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1634
1635         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1636         * builtins.c (expand_builtin_mathfn): Use them.
1637         (expand_builtin_mathfn_2): Likewise.
1638         (expand_builtin_mathfn_3): Likewise.
1639         (expand_builtin_int_roundingfn): Likewise.
1640         (expand_builtin): Likewise.
1641         (integer_valued_real_p): Likewise.
1642         (fold_builtin_int_roundingfn): Likewise.
1643         (fold_builtin_bitop): Likewise.
1644         (fold_builtin_logarithm): Likewise.
1645         (fold_builtin_1): Likewise.
1646         * convert.c (convert_to_integer): Likewise.
1647         * fold-const.c (negate_mathfn_p): Likewise.
1648         (tree_expr_nonnegative_p): Likewise.
1649
1650 2005-11-30  Dale Johannesen  <dalej@apple.com>
1651             Andrew Pinski  <pinskia@physics.uc.edu>
1652
1653         * combine.c (find_split_point):  Sign extend bitmask
1654         when changing bitfield assignment to IOR of AND.
1655
1656 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1657
1658         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1659         clobber to scratch reg.
1660         (*decrement_and_branch_until_zero_no_clobber): Remove.
1661         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1662         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1663         * config/ms1/ms1.opt (mmul): Remove.
1664         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1665         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1666
1667 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1668             Bernd Schmidt  <bernd.schmidt@analog.com>
1669
1670         * pa/predicates.md (symbolic_operand): Add comment.
1671         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1672         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1673         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1674         (pa_secondary_reload_class): Delete.
1675         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1676         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1677         copy of symbolic operand.
1678         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1679
1680 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1681
1682         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1683         jump.
1684
1685 2005-11-30  Jeff Law  <law@redhat.com>
1686
1687         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1688         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1689
1690 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1691
1692         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1693         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1694         (ia64_expand_move): Adjust caller.
1695
1696         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1697         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1698         negate VAL.
1699
1700 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1701
1702         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1703         Always produce an output if we can remove NEGs or canonicalize
1704         (minus (minus ...)) expressions.  Provide a fast path for the
1705         two-operand case.
1706         (simplify_gen_binary): Do not call simplify_plus_minus.
1707         (simplify_binary_operation_1): Reassociate at the end of the
1708         function.
1709
1710 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1711
1712         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1713         moves and unpack to speed up.
1714
1715 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1716
1717         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1718         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1719         (gen_v9_scc): Update callers.
1720         * config/sparc/sparc.md: Likewise.
1721         * config/sparc/sparc-protos.h: Update extern declaration.
1722
1723         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1724
1725 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1726
1727         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1728         the if.
1729
1730 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1731
1732         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1733         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1734         (negate_expr): Here.
1735
1736 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1737
1738         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1739         Fix typo in comment.
1740
1741 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1742
1743         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1744         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1745
1746 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1747
1748         PR middle-end/20109
1749         PR middle-end/25120
1750         * builtins.c (init_target_chars): New.
1751         (expand_builtin_printf, expand_builtin_fprintf,
1752         expand_builtin_sprintf, fold_builtin_sprintf,
1753         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1754         fold_builtin_snprintf_chk, fold_builtin_printf,
1755         fold_builtin_fprintf): Check for matching format strings using
1756         the target charset.
1757
1758 2005-11-29  Paul Brook  <paul@codesourcery.com>
1759
1760         * config.gcc: Do not use fixproto on m68k-elf.
1761
1762 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1763
1764         * expmed.c (div_cost): Replace with...
1765         (sdiv_cost, udiv_cost): New.
1766         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1767         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1768         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1769         (expand_divmod): Replace use of div_cost with either sdiv_cost
1770         or udiv_cost depending upon the signedness of the operation.
1771
1772 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1773
1774         PR libfortran/24991
1775         * config/darwin.c (machopic_indirection_name,
1776         machopic_output_indirection): Follow transparent alias chain.
1777
1778 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1779
1780         * varasm.c (ultimate_transparent_alias_target): Add comment.
1781
1782 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1783
1784         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1785         SET_SRC instead of XEXP where appropriate.
1786
1787 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1788
1789         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1790         __builtin_expect.
1791
1792 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1793
1794         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1795         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1796         bit at a time.
1797
1798 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1799
1800         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1801         secondary_input_reload_class, made static.  Adapt to new
1802         infrastructure.
1803         (secondary_output_reload_class): Delete.
1804         (TARGET_SECONDARY_RELOAD): New macro.
1805         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1806         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1807
1808 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1809
1810         PR c++/21166
1811         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1812         when its natural alignment is > BITS_PER_UNIT.
1813         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1814         * c-common.c (handle_packed_attribute): Ignore packing on a field
1815         whose type is naturally char aligned.
1816
1817 2005-11-28  Richard Guenther  <rguenther@suse.de>
1818
1819         * c-common.c (strict_aliasing_warning): Handle all
1820         component-ref like accesses.
1821
1822 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1823             Uros Bizjak  <uros@kss-loka.si>
1824
1825         PR middle-end/20219
1826         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1827         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1828         when flag_unsafe_math_optimizations is set and
1829         we don't care about NaNs or Infinities.
1830
1831         Move x/expN(y) and x/pow(y,z) transformation into common
1832         flag_unsafe_math_optimizations section.
1833
1834 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1835
1836         * gcc.c (main): Change type of argv to "char **".
1837
1838 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1839
1840         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1841         small data sections.
1842         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1843         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1844         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1845         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1846         output locals to sbss if !rs6000_elf_in_small_data_p.
1847         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1848
1849 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1850
1851         PR target/24997
1852         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1853         generated by reload.
1854         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1855         indexed_or_indirect_address.
1856         (indexed_or_indirect_address): Don't test for base reg.  Call
1857         address_operand last.  Make it a special predicate.
1858
1859 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1860
1861         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1862
1863 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1864
1865         PR middle-end/24575
1866         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1867         is undefined.
1868         (negate_expr): Likewise.
1869
1870 2005-11-27  Andreas Schwab  <schwab@suse.de>
1871
1872         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1873         redundant parens.
1874
1875 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1876
1877         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1878         has EH predecessor edges.
1879
1880 2005-11-26  Eric Christopher  <echristo@apple.com>
1881
1882         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1883         register stalls by zero extending to the full register.
1884
1885 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1886
1887         * config/floatunsisf.c, config/floatunsidf.c,
1888         config/floatunsixf.c, config/floatunsitf.c: New files.
1889         * config/ia64/t-hpux: Add floatunsitf.c.
1890         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1891         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1892
1893 2005-11-26  Richard Henderson  <rth@redhat.com>
1894
1895         * c-lex.c (pragma_lex): Rename from c_lex.
1896         * c-pch.c: Update for pragma_lex rename.
1897         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1898         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1899         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1900         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1901         * doc/tm.texi: Likewise.
1902
1903 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1904
1905         PR middle-end/23669
1906         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1907         when overflow is undefined.
1908
1909 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1910
1911         * doc/md.texi (Insn Canonicalizations): Refer to the
1912         function commutative_operand_precedence for further rules.
1913
1914 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1915
1916         PR middle-end/21309
1917         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1918         is less than zero.  Limit mult_cost to a reasonable upper bound for
1919         the synthetic multiplication sequence.
1920
1921 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1922
1923         PR middle-end/25022
1924         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1925         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1926         Lookup the explicit replacement functions for any unlocked
1927         stdio builtin transformations.
1928
1929 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1930
1931         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1932         earlyclobber.
1933         * targhooks.c (default_secondary_reload): Don't require operand 2
1934         for an input reload to be earlyclobber.
1935
1936 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1937
1938         * fold-const.c (negate_mathfn_p): Fix comment and add support
1939         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1940         BUILT_IN_ATANH.
1941
1942 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1943
1944         PR middle-end/24998
1945         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1946         _Q_ulltoq for unsigned conversions from SImode and DImode to
1947         TFmode.
1948
1949 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1950
1951         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1952         (__floatundidf, __floatundisf): Likewise.
1953
1954 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1955
1956         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1957         (rs6000_override_options): Remove initialization of
1958         rs6000_sr_alias_set.
1959         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1960         (rs6000_emit_stack_tie): Same.
1961         (emit_frame_save): Same.
1962         (gen_frame_mem_offset): Same.
1963         (rs6000_emit_prologue): Same.
1964         (rs6000_emit_epilogue): Same.
1965
1966 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1967
1968         PR middle-end/24989
1969         * fold-const.c (fold_build): Convert bool_var != 1 and
1970         bool_var == 0 to !bool_var.
1971
1972 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1973
1974         PR middle-end/24990
1975         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1976         for C being INTEGER_CST.  Likewise for !=.
1977
1978 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1979
1980         PR middle-end/24998
1981         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1982         unsigned conversions from SImode to TFmode.
1983
1984 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1985
1986         * expr.c (expand_expr_real_1): Fix error in last change.
1987
1988 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1989
1990         * caller-save.c: (this_insn_sets): Move into:
1991         (save_call_clobbered_regs).
1992         (mark_set_regs): Get this_insn_sets from data.
1993
1994         (save_call_clobbered_regs): Take sets of the return value by
1995         sibcalls into account.
1996
1997 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1998         PR target/21623:
1999
2000         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2001         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2002         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2003         (memory_move_secondary_cost, init_reg_autoinc): Remove
2004         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2005         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2006         secondary_reload_class call.
2007         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2008         callers.
2009         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2010         (push_secondary_reload): Use secondary_reload target hook.
2011         (secondary_reload_class, scratch_reload_class): New functions.
2012         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2013         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2014         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2015         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2016         (secondary_reload_class, scratch_reload_class): Declare.
2017         * reload1.c: Include target.h.
2018         (reload_adjust_reg_for_temp): New function.
2019         (reload_adjust_reg_for_icode): Likewise.
2020         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2021         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2022         call.
2023         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2024         for inheritance.  Support case when both secondary & tertiary reloads
2025         are for intermediate registers.
2026         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2027         with secondary_reload_class call.  Support case when both secondary
2028         & tertiary reloads are for intermediate registers.
2029         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2030         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2031         * target.h (secondary_reload_info): New struct / typedef.
2032         (struct gcc_target): New member secondary_reload.
2033         * targhooks.c Include reload.h, optabs.h and recog.h.
2034         (default_secondary_reload): New function.
2035         * targhooks.h (default_secondary_reload): Declare.
2036         * doc/tm.texi: Document secondary_reload target hook.  Update
2037         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2038         * doc/md.texi: Likewise.
2039
2040         * sh-protos.h (sh_secondary_reload): Declare.
2041         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2042         (sh_secondary_reload): New function.
2043         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2044         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2045         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2046         (HAVE_SECONDARY_RELOADS): Define.
2047         * sh.md (reload_indf): Rename to:
2048         (reload_indf__frn).
2049         (reload_outdf): Rename to:
2050         (reload_outdf__RnFRm).
2051         (reload_insf): Rename to:
2052         (reload_insf__frn).
2053         (reload_insi): Rename to:
2054         (reload_insi__i_fpul).
2055
2056 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2057
2058         * configure.ac: Require at least texinfo 4.4.
2059         * configure: Regenerate.
2060
2061         * doc/install.texi (Tools/packages necessary for building GCC):
2062         Update required version of texinfo to at least 4.4.
2063         (Installing GCC: Building): Update required version of texinfo
2064         to at least 4.4.
2065         (Installing GCC: Final installation): Update required version
2066         of texi2dvi to at least 4.4.
2067         (Host/target specific installation notes for GCC): Update required
2068         version of texinfo to at least 4.4.
2069
2070 2005-11-24  Richard Guenther  <rguenther@suse.de>
2071         Dirk Mueller <dmueller@suse.de>
2072
2073         PR c++/14024
2074         * c-common.h (strict_aliasing_warning): Declare.
2075         * c-common.c (strict_aliasing_warning): New function,
2076         split out from ...
2077         * c-typeck.c (build_c_cast): ... here.
2078
2079 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2080
2081         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2082         to order operands.
2083         (swap_commutative_operands_with_target): New.
2084
2085 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2086
2087         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2088         also when doing PRE, rather than only for global CPROP.
2089
2090 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2091
2092         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2093         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2094         formatting.
2095         (expand_twoval_unop): Likewise.
2096         (widen_clz): Likewise.
2097         (expand_parity): Likewise.
2098         (expand_unop): Likewise.
2099         (emit_cmp_and_jmp_insn_1): Likewise.
2100         (prepare_float_lib_cmp): Likewise.
2101
2102 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2103
2104         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2105         Remove unused `class' variable.
2106
2107 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2108
2109         PR c++/21667
2110         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2111         C/C++ diagnostic function warn_array_subscript_with_type_char.
2112         * c-common.h (warn_array_subscript_with_type_char): Declare.
2113         * c-common.c (warn_array_subscript_with_type_char): Define.
2114
2115 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2116
2117         PR c/21668
2118         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2119         compiling at the intersection of C and C++.
2120
2121 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2122
2123         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2124         List @file in the option summary.  Include the libiberty
2125         documentation for @file.
2126         * gcc.c (main): Call expandargv.
2127         * Makefile.in (gcc-vers.texi): Define srcdir.
2128
2129 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2130
2131         * passes.c (init_optimization_passes): Document
2132         sequencing of passes.
2133
2134 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2135
2136         * config/m68k/predicates.md (pcrel_address, extend_operator,
2137         post_inc_operand, pre_dec_operand): Remove redundant
2138         conditionals.
2139         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2140         instead of abort.
2141         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2142
2143 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2144
2145         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2146
2147 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2148
2149         Preparatory work for PR target/21623:
2150         * alpha.c (secondary_reload_class): Rename to:
2151         (alpha_secondary_reload_class).
2152         * alpha.h, alpha-protos.h: Likewise.
2153         * mn10300.c (secondary_reload_class): Rename to:
2154         (mn10300_secondary_reload_class).
2155         * mn10300.h, mn10300-protos.h: Likewise.
2156         * pa.c (secondary_reload_class): Rename to:
2157         (pa_secondary_reload_class).
2158         * pa.h, pa-protos.h: Likewise.
2159         * rs6000.c (secondary_reload_class): Rename to:
2160         rs6000_secondary_reload_class.
2161         * rs6000.h, rs6000-protos.h: Likewise.
2162
2163 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2164
2165         PR middle-end/22561
2166         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2167
2168 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2169
2170         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2171         a mode_class.
2172         (prepare_cmp_insn): Likewise.
2173
2174 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2175
2176         PR target/23435
2177         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2178         if both operands[0] and operands[1] are memory.
2179
2180 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2181
2182         PR middle-end/23606
2183         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2184         COMPARISON_CLASS_P and an integral types create create a new
2185         expression with the new type and fold that.
2186
2187 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2188
2189         PR target/24988
2190         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2191         to SUBTARGET_OS_CPP_BUILTINS.
2192
2193 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2194
2195         * arm.c (emit_set_insn): New function.
2196         (arm_split_constant): Call it.
2197         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2198         (arm_legitimize_address): Likewise.  Use plus_constant.
2199         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2200         (thumb_expand_prologue): Likewise.
2201         (arm_gen_load_multiple): Use VOIDmode in SET.
2202         (arm_gen_store_multiple): Likewise.
2203         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2204         (emit_multi_reg_push): Likewise.
2205         (emit_sfm): Use plus_constant.
2206
2207 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2208
2209         PR target/24954
2210         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2211         typo last change.
2212
2213 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2214
2215         PR middle-end/24950
2216         * expmed.c (store_bit_field): Don't attempt to insv a field
2217         larger than the reg.
2218
2219 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2220
2221         PR target/24954
2222         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2223         explicit sign extension, not a (char) cast.
2224
2225 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2226
2227         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2228         GET_MODE_CLASS (x) == MODE_FLOAT.
2229         * config/i386/i386.c: Likewise.
2230         * config/rs6000/xcoff.h: Likewise.
2231         * config/rs6000/linux64.h: Likewise.
2232         * config/rs6000/rs6000.c: Likewise.
2233         * config/rs6000/rs6000.h: Likewise.
2234         * config/rs6000/predicates.md: Likewise.
2235         * config/rs6000/sysv4.h: Likewise.
2236
2237 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2238
2239         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2240         flag_pic is set.
2241
2242         * config/alpha/freebsd.h, config/alpha/linux.h,
2243         config/arm/linux-elf.h, config/bfin/bfin.h,
2244         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2245         config/i386/beos-elf.h, config/i386/gnu.h,
2246         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2247         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2248         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2249         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2250         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2251         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2252         config/sparc/linux.h, config/sparc/linux64.h,
2253         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2254
2255         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2256         are both defined when either flag -fpic or -fPIC are used.
2257
2258 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2259
2260         * config/fp-bit.c (clzusi): New function.
2261         (si_to_float, usi_to_float): Use it to compute proper shift.
2262         (usi_to_float): Preserve guard bits when shifting right.
2263         * libgcc-std.ver (GCC_4.2.0): New version.
2264         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2265         __floatundisf): New functions.
2266         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2267         __floatundisf): Declare.
2268         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2269         _floatundixf, and _floatunditf.
2270         * optabs.c (expand_float): If target does not define a pattern for
2271         signed or unsigned conversion, use an unsigned libcall instead of
2272         a signed one.
2273         (init_optabs): Initialize ufloat_optab.
2274
2275 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2276
2277         * config/rs6000/rs6000.opt (mmulhw): New option.
2278         * doc/invoke.texi (-mmulhw): Document.
2279         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2280         for 405 and 440.
2281         * config/rs6000/rs6000.md: Add half-word multiply and
2282         multiply-accumulate instructions for 405 and 440.
2283
2284 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2285
2286         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2287         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2288         default now includes a linker group which makes the RTEMS one nest.
2289
2290 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2291
2292         * cse.c (fold_rtx): Typo fix.
2293         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2294
2295 2005-11-21  Richard Henderson  <rth@redhat.com>
2296
2297         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2298         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2299
2300         * c-tree.h (lookup_name): Move declaration ...
2301         * c-common.h (lookup_name): ... here.
2302         * config/darwin-c.c: Include c-common.h.
2303         * config/t-darwin: Update dependencies.
2304
2305 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2306
2307         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2308         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2309         * genopinit.c (gen_insn): Likewise.
2310         * reload.c (find_equiv_reg): Likewise.
2311         * loop.c (load_mems): Likewise.
2312         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2313         * cse.c (find_comparison_args, fold_rtx): Likewise.
2314         * dwarf2out.c (add_const_value_attribute): Likewise.
2315         * expr.c (convert_move): Likewise.
2316         * recog.c (general_operand, register_operand): Likewise.
2317         * reg-stack.c (replace_reg): Likewise.
2318         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2319         * c-common.c (handle_vector_size_attribute): Likewise.
2320         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2321         (simplify_binary_operation_1): Likewise.
2322         (simplify_const_binary_operation): Likewise.
2323         (simplify_relational_operation): Likewise.
2324         (simplify_const_relational_operation): Likewise.
2325         (simplify_immed_subreg): Likewise.
2326         * emit-rtl.c (gen_lowpart_common): Likewise.
2327         * expmed.c (expand_mult): Likewise.
2328         * stor-layout.c (layout_type): Likewise.
2329
2330 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2331
2332         PR target/24951
2333         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2334         cst2 only for SPE vectors.
2335
2336 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2337
2338         PR target/24953
2339         * config/rs6000/predicates.md (vrsave_operation): Check
2340         UNSPEC_VOLATILE value.
2341
2342 2005-11-21  Jan Hubicka  <jh@suse.cz>
2343
2344         PR tree-optimization/24653
2345         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2346
2347 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2348
2349         * config/i386/predicates.md (ax_reg_operand): New predicate.
2350         (memory_displacement_only_operand): New predicate.
2351         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2352         operand is AX register and the other operand is memory operand
2353         with displacement only.
2354
2355 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2356
2357         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2358         if we don't care about NaNs or Infinities.
2359
2360 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2361
2362         PR rtl-optimization/24883
2363         * combine.c (combinable_i3pat): When checking whether the
2364         destination of i3 is used in i3, consider paradoxical subregs.
2365
2366 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2367
2368         PR middle-end/20583
2369         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2370
2371 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2372
2373         * combine.c (try_combine): Do not run subst on i1src and i2src in
2374         the case of generating a PARALLEL for a comparison.
2375
2376 2005-11-20  Richard Henderson  <rth@redhat.com>
2377
2378         PR 24931
2379         * tree-sra.c (struct sra_elt): Add all_no_warning.
2380         (struct sra_walk_fns) <use>: Add use_all argument.
2381         (sra_walk_expr): Pass it.
2382         (sra_walk_modify_expr): Likewise.
2383         (scalarize_ldst): Likewise.
2384         (scan_use): Update for new argument.
2385         (mark_no_warning): New.
2386         (scalarize_use): Use it.
2387
2388 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2389
2390         * expr.c (expand_expr_real): Use usmul_optab for widening
2391         signed * unsigned multiplies.
2392         * genopinit.c (optabs): Add usmul_widen_optab.
2393         * optabs.c (init_optabs): Likewise.
2394         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2395         (usmul_widen_optab): Define.
2396         * config/bfin/bfin.md (usmulhisi3): New pattern.
2397
2398         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2399
2400 2005-11-20  Graham Stott <btinternet.com>
2401
2402         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2403
2404 2005-11-20  Andreas Schwab  <schwab@suse.de>
2405
2406         PR target/24757
2407         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2408         insn.
2409
2410 2005-11-19  Richard Henderson  <rth@redhat.com>
2411
2412         PR tree-opt/24665
2413         * tree-gimple.c (is_gimple_id): Export.
2414         * tree-gimple.h (is_gimple_id): Declare.
2415         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2416         (get_default_value): Use it.
2417         (maybe_fold_stmt_indirect): Likewise.
2418
2419 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2420
2421         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2422         than VR1 or vice-versa.
2423
2424 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2425
2426         PR middle-end/24912
2427         PR middle-end/24750
2428         * reload.c (find_reloads_address_1): Mention dependency on
2429         gen_reload.
2430         * reload1.c (gen_reload): For IN with an unary operation, try
2431         moving inner expression to OUT if trivial SET is not valid.
2432         Confirm that the result is valid.  Move common code block into...
2433         (emit_insn_if_valid_for_reload): New function.
2434
2435 2005-11-19  Richard Guenther  <rguenther@suse.de>
2436
2437         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2438         ARRAY_REFs of constant strings.
2439
2440 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2441
2442         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2443         fatal format string.
2444
2445 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2446
2447         * combine.c (make_compound_operation): Swap operands of
2448         commutative operation if necessary before returning.
2449
2450 2005-11-19  Richard Guenther  <rguenther@suse.de>
2451
2452         PR middle-end/23294
2453         * fold-const.c (fold_plusminus_mult_expr): New function.
2454         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2455         cases, remove now unnecessary code.
2456
2457 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2458
2459         * gensupport.c (old_preds): Rename to std_preds, add special field.
2460         (struct old_pred_table): Rename to struct std_pred_table, add special
2461         field.
2462         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2463         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2464         (init_predicate_table): Adjust, and set along the way whether a
2465         predicate is special.
2466
2467 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2468
2469         * BASE-VER: Change to 4.2.0.
2470
2471 2005-11-18  James E Wilson  <wilson@specifix.com>
2472
2473         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2474         returning it.
2475
2476 2005-11-18  Mike Stump  <mrs@apple.com>
2477
2478         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2479         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2480         * c-decl.c (lookup_name_two) Remove.
2481         * c-tree.h (lookup_name_two): Remove.
2482         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2483         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2484         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2485         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2486
2487 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2488
2489         PR target/24914
2490         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2491         when not generating code to use that co-processor.
2492
2493 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2494
2495         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2496         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2497         these functions are now in tree-phinodes.c.
2498
2499 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2500
2501         * config/bfin/bfin.md (trap): New pattern.
2502
2503 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2504
2505         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2506         on types.
2507
2508         * expr.c (expand_expr_real): Don't call record_block_change unless
2509         ib_boundaries_block is non-null
2510
2511         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2512
2513         * fold-const.c (build_range_check): Use proper type for subtraction
2514         when merging lower bound.
2515
2516 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2517
2518         PR rtl-optimization/24497
2519         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2520         the copied insn.
2521
2522 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2523
2524         * tree-scalar-evolution.c (expression_expensive_p): New function.
2525         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2526
2527 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2528
2529         * config/bfin/crtlibid.s: New file.
2530
2531 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2532
2533         PR target/24348
2534         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2535         when not using sjlj exceptions.
2536         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2537         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2538         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2539         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2540         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2541         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2542         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2543         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2544         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2545         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2546         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2547         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2548         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2549         defines.
2550         * config/pa/hpux-unwind.h: New file.
2551
2552 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2553
2554         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2555         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2556         * varasm.c (do_assemble_alias): Adjust call.
2557         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2558         is defined.
2559         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2560
2561 2005-11-17  James E Wilson  <wilson@specifix.com>
2562
2563         * tree.def (FUNCTION_DECL): Correct typo in comment.
2564
2565 2005-11-17  Richard Henderson  <rth@redhat.com>
2566
2567         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2568         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2569         and DW_CFA_def_cfa_sf.
2570         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2571         (dbx_reg_number): Don't assert particular registers here.
2572         (based_loc_descr): ... do it here instead.  Fold in ...
2573         (eliminate_reg_to_offset): ... this function.
2574         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2575         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2576         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2577         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2578         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2579         (instantiate_virtual_regs): Likewise.
2580         * var-tracking.c (adjust_stack_reference): Likewise.
2581         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2582
2583 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2584
2585         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2586         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2587         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2588         crtlibid.o.
2589         ($(T)crtlibid.o): New rule.
2590
2591 2005-11-16  Richard Guenther  <rguenther@suse.de>
2592
2593         PR middle-end/24851
2594         * fold-const.c (extract_array_ref): Return byte offset
2595         in all cases.
2596         (fold_binary): Fold &x[a] CMP &x[b] to
2597         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2598         behavior.
2599
2600 2005-11-16  Richard Henderson  <rth@redhat.com>
2601
2602         PR middle-end/23497
2603         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2604         parts of an SSA_NAME.
2605
2606 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2607
2608         PR target/24861
2609         * arm.md (split for movsf with immediate): Restrict split to insns
2610         that set a general register.
2611
2612 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2613
2614         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2615         uw_update_context.
2616         * unwind-dw2.c (uw_advance_context): Likewise.
2617         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2618         _Unwind_SjLj_Unregister.
2619         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2620
2621 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2622
2623         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2624
2625 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2626
2627         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2628         langhook to get a DImode integer type.
2629
2630 2005-11-16  Richard Henderson  <rth@redhat.com>
2631             J"orn Rennecke <joern.rennecke@st.com>
2632             Ulrich Weigand  <uweigand@de.ibm.com>
2633
2634         PR rtl-opt/24160
2635         PR target/24621
2636         * reload1.c (reg_equiv_invariant): New.
2637         (reload): Allocate, initialize, and free it.
2638         (calculate_needs_all_insns): Check it when skipping equivalence
2639         setting insns.
2640         (alter_reg): Likewise.
2641         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2642         may_use_invariant argument; only use reg_equiv_invariant when true.
2643         (eliminate_regs): New.
2644         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2645         a context for which may_use_invariant may be true.
2646
2647 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2648
2649         * fold-const.c (const_binop): Don't constant fold the operation
2650         if the result has overflowed and flag_trapping_math.
2651         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2652
2653 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2654
2655         * config/arm/unwind-arm.c (abort): Add prototype here.
2656         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2657         (struct phase1_vrs): Add prev_sp.
2658         (unwind_phase2_forced): Save the original core registers instead of
2659         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2660         and set action flags accordingly.  Always set _US_END_OF_STACK when
2661         get_eit_entry fails.  Unwind before calling the stop function.
2662         (_Unwind_GetCFA): New function.
2663         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2664         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2665         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2666         just call unwind_phase2_forced.
2667         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2668         * config/arm/unwind-arm.h (abort): Remove prototype.
2669         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2670         prototypes.
2671         (_Unwind_GetCFA): New prototype.
2672         * config/arm/pr-support.c (abort): Add prototype here.
2673         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2674         forced unwinding.
2675         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2676         not schedule the prologue with non-call exceptions and EABI.
2677
2678 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2679
2680         * config/arm/unwind-arm.h: Reorder interface function declarations.
2681         (_URC_END_OF_STACK): New enumeration value.
2682         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2683         (struct _Unwind_Control_Block): Document reserved field use.
2684         (_Unwind_Stop_Fn): New typedef.
2685         (_Unwind_ForcedUnwind): Declare.
2686         (_Unwind_Resume_or_Rethrow): Declare.
2687         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2688         argument.  Adjust.
2689         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2690         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2691         (UCB_FORCED_STOP_ARG): New.
2692         (search_EIT_table): Update boundary condition checks.
2693         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2694         (unwind_phase2): Replace for with do..while.
2695         (unwind_phase2_forced): New.
2696         (__gnu_Unwind_RaiseException): Replace for with do..while.
2697         (__gnu_Unwind_ForcedUnwind): New.
2698         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2699         Use appropriate phase2 unwinder.
2700         (__gnu_Unwind_Resume_or_Rethrow): New.
2701         (__gnu_unwind_pr_common): Cope with forced unwinding.
2702
2703 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2704
2705         PR target/24772
2706         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2707
2708         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2709         roundsf2): Remove "s" from mnemonic.
2710
2711 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2712
2713         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2714         __PIC__ is defined.
2715         * config/bfin/crtn.s: Change epilogues to match.
2716         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2717         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2718         __PIC__ and __pic__.
2719
2720 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2721
2722         PR 24357
2723         * doc/invoke.texi: Distinguish between free and fixed form instead of
2724         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2725         languages.
2726         * gcc.c (default_compilers): Remove double entries, add entries for
2727         suffixes '.F90' and '.F95'.
2728
2729 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2730
2731         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2732         in the stack probing loop.
2733
2734 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2735
2736         * configure.ac: Use .machine power5 not power5x.
2737         * configure: Regenerate.
2738
2739 2005-11-15  Mike Stump  <mrs@apple.com>
2740
2741         * c-decl.c (lookup_name_two): Add.
2742         * c-tree.h (lookup_name_two): Likewise.
2743         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2744         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2745
2746 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2747
2748         PR rtl-optimization/23392
2749         * regrename.c (enum scan_actions) Add mark_access.
2750         (scan_actions_name): Ditto.
2751         (scan_rtx_reg): Handle mark_access.
2752         (scan_rtx_address): Do nothing for mark_access.
2753         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2754         and regs in REG_INC notes before closing chains for dead regs.
2755         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2756         opening chains for new writes.
2757
2758 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2759
2760         * c.opt (ffixed-line-length-none): New.
2761
2762 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2763
2764         * mklibgcc.in: Change contents of eh_dummy.c.
2765
2766 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2767
2768         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2769
2770 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2771
2772         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2773         of making syscalls.
2774         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2775
2776 2005-11-15  Jan Hubicka  <jh@suse.cz>
2777
2778         * invoke.texi (large-unit-insns): Document.
2779         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2780         * params.def (large-unit-insns): New param.
2781
2782 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2783
2784         PR target/24869
2785         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2786         special register for operand 3.  Reindent constraints to align
2787         them vertically.
2788
2789 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2790
2791         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2792         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2793         * configure.ac: Add test for FP rounding instructions.
2794         * configure: Regenerate.
2795         * config.in: Regenerate.
2796         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2797         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2798         features enabled.
2799         * config/rs6000/rs6000.opt (mfprnd): New.
2800         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2801         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2802         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2803         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2804         (TARGET_FPRND): New.
2805         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2806         UNSPEC_FRIZ): New.
2807         (btrunc<mode>2): New.
2808         (ceil<mode>2): New.
2809         (floor<mode>2): New.
2810         (round<mode>2): New.
2811
2812 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2813
2814         * gcc.c (version_compare_spec_function): Use fatal() rather than
2815         abort().
2816
2817         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2818         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2819         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2820         as empty.
2821         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2822         link in crt2.o.
2823
2824         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2825         on -mmacosx-version-min setting.
2826
2827 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2828
2829         PR 24840
2830         * tree-vrp.c (infer_value_range): Return false if STMT is a
2831         block terminator and its basic block has no successors.
2832
2833 2005-11-14  Mike Stump  <mrs@apple.com>
2834
2835         * config/i386/i386.c (override_options): -masm=intel isn't
2836         supported on darwin.
2837         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2838
2839 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2840
2841         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2842         vfork after including auto-host.h.
2843
2844 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2845
2846         PR rtl-optimization/22002
2847         * combine.c (distribute_notes): Detect cases where a reg dies
2848         two or more times in a bb, including on the insn we are combining,
2849         and place the death note on the correct range.
2850
2851 2005-11-14  Dale Johannesen  <dalej@apple.com>
2852
2853         * expmed.c (store_bit_field):  Add offset unconditionally for
2854         memory targets.
2855         (extract_bit_field):  Don't force extzv or extv operand into
2856         a register if field is too big.
2857
2858 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2859
2860         * config/arm/arm.c (pic_labelno): New.
2861         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2862         LABEL_REF.  Pass only the labelno to PIC insns.
2863         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2864         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2865         * arm.md (UNSPEC_PIC_LABEL): New constant.
2866         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2867         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2868         Use the correct label prefix.
2869
2870 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2871
2872         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2873         REQ_EQUIV note.
2874
2875 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2876
2877         * loop-invariant.c: Include tm_p.h.
2878         * Makefile.in: Updated.
2879
2880 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2881
2882         * pa.c (store_reg): Revise generation of frame notes in large frames.
2883         (set_reg_plus_d): Likewise.
2884
2885 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2886
2887         PR tree-optimization/24709
2888         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2889         loop check.
2890
2891 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2892
2893         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2894         and duplicate declaration of pthread_self.
2895
2896 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2897             Ian Lance Taylor  <ian@airs.com>
2898
2899         PR middle-end/24003
2900         * calls.c (expand_call): If TARGET is a MEM and some part of the
2901         argument area has been saved, force TARGET to a register.
2902
2903 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2904
2905         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2906         checking.
2907
2908 2005-11-13  Jason Merrill  <jason@redhat.com>
2909
2910         PR c++/22489
2911         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2912         lazily declared methods.
2913         (force_decl_die): Stop if forcing out the context already make a
2914         DIE for the decl.
2915         (force_type_die): Likewise.
2916
2917 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2918
2919         PR middle-end/24820
2920         * builtins.c (integer_valued_real_p): Add break in
2921         REAL_CST having TREE_OVERFLOW set.
2922
2923 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2924
2925         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2926         addressing modes during calculation of costs.
2927
2928 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2929
2930         * function.c (assign_stack_local_1): Restrict sanity check
2931         on frame size overflow to 32-bit and above platforms.
2932
2933 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2934
2935         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2936         * config/cris/cris.c: Include reload.h.
2937         (cris_initial_elimination_offset): New function.
2938         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2939         Prototype.
2940
2941 2005-11-12  Richard Guenther  <rguenther@suse.de>
2942
2943         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2944
2945 2005-11-12  Jan Hubicka  <jh@suse.cz>
2946
2947         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2948         to compare against 0 when possible.
2949
2950 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2951
2952         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2953         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2954         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2955         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2956         in the new order.
2957
2958 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2959
2960         * recog.c (constrain_operands) <case 'g'>: For a match, require
2961         that a non-register matches general_operand when strict >= 0.
2962
2963 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2964
2965         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2966         previous checkin.
2967
2968 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2969
2970         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2971         (memory_address_same): New.
2972         (dse_optimize_stmt): Call memory_address_same.
2973
2974 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2975
2976         PR middle-end/24750
2977         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2978         ZERO_EXTEND>: New cases.
2979
2980 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2981
2982         * longlong.h (__clz_tab): Always provide.
2983
2984 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2985
2986         PR 24265
2987         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2988         can be assigned to.
2989         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2990         before check_maybe_invariant.
2991         (move_invariant_reg): Use gen_move_insn instead of replacing
2992         SET_DEST with the temporary for the invariant.
2993         (move_loop_invariants): If checking is enabled, do internal
2994         consistency checks after completing the pass.
2995
2996 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2997
2998         PR 24644
2999         * common.opt (Wvolatile-register-var): New.
3000         * varasm.c (make_decl_rtl): Only emit warning when option
3001         specified.  Clarify warning message.
3002         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3003
3004         * doc/md.texi (copysign): Document standard named pattern.
3005
3006 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3007
3008         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3009         bytes when align is 2.
3010         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3011         by the first instruction of the loop.
3012
3013 2005-11-11  Jason Merrill  <jason@redhat.com>
3014
3015         PR c++/24686
3016         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3017         the cleanup list.
3018
3019 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3020
3021         PR rtl-optimization/22509
3022         * local-alloc.c (memref_used_between_p): Check whether a function call
3023         could not reference the memref.
3024
3025 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3026
3027         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3028         algorithm so as to choose the best, not the worst, alternative.
3029         Reset accumulated register class before processing next alternative.
3030
3031 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3032
3033         PR target/24445
3034         * calls.c (expand_call): Copy a return value to a plain register
3035         if needed.
3036
3037 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3038
3039         PR target/24778
3040         * varasm.c (assemble_name): Recompute name only for transparent
3041         aliases.
3042
3043 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3044
3045         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3046
3047 2005-11-04  Jeff Law  <law@redhat.com>
3048
3049         PR middle-end/23181
3050         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3051         perform reassociation if the parent statement will not die as
3052         a result of the optimization.
3053
3054 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3055
3056         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3057         delete_old_heap_vars.
3058         * tree-dfa.c (referenced_var_remove): Remove function.
3059         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3060         (delete_tree_ssa): Remove call to delete_old_heapvars.
3061         Add call to delete_alias_heapvars.
3062         * tree-flow.h (referenced_var_remove): Remove prototype
3063         (init_alias_heapvars): New prototype.
3064         (delete_alias_heapvars): Ditto.
3065         * Makefile.in (tree-ssa-structalias.o): Add
3066         gt-tree-ssa-structalias.o
3067         (GTFILES): Add tree-ssa-structalias.h and
3068         tree-ssa-structalias.c.
3069         (s-gtype): Add gt-tree-ssa-structalias.h.
3070         * tree-ssa-structalias.c (heapvars): Remove.
3071         (oldheapvars): Remove.
3072         (heapvar_for_stmt): New variable.
3073         (heapvar_lookup): New function.
3074         (heapvar_insert): Ditto.
3075         (get_constraint_for): See if we have an old heapvar
3076         to reuse.
3077         (init_alias_heapvars): New function.
3078         (delete_alias_heapvars): Ditto.
3079         Add include of gt-tree-ssa-structalias.h.
3080
3081 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3082
3083         PR middle-end/22127
3084         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3085
3086 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3087
3088         * tree.c (int_fits_type_p): Only look at the base type
3089         if it has the same precision as the original type.
3090
3091 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3092
3093         PR other/4372
3094         * varasm.c (assemble_alias): Use %q+D in the error
3095         message instead of %J and %qD.
3096
3097 2005-11-10  Richard Guenther  <rguenther@suse.de>
3098
3099         * gcse.c (free_ldst_entry): Only free hashtable if
3100         it exists.
3101
3102 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3103
3104         * function.c (assign_stack_local_1): Issue an error message if
3105         the frame size overflows in the signed target arithmetics.
3106
3107 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3108
3109         * tree.c (build_qualified_type): Chain the new type to the original
3110         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3111         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3112         (build_pointer_type_for_mode): Only return unqualified types.
3113         (build_reference_type_for_mode): Likewise.
3114
3115 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3116
3117         * Makefile.in (gnucompare): Do comparison of all files using one of
3118         the chosen methods and only afterwards decide if just warning should
3119         be issued or comparison failure raised.
3120
3121 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3122
3123         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3124         (noce_try_abs): Negate if the comparison is reversed.
3125         Look only one instruction backwards for a REG_EQUAL note.
3126
3127 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3128
3129         PR other/4372
3130         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3131         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3132         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3133         and prefix all uses with __ghtrw.
3134
3135 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3136
3137         PR other/4372
3138         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3139         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3140         * c-common.c (handle_weakref_attribute): New.
3141         (c_common_attribute_table): Add weakref.
3142         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3143         in the assembler.
3144         * configure, config.in: Rebuilt.
3145         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3146         * doc/extend.texi: Document weakref attribute.
3147         * varasm.c (ultimate_transparent_alias_target): New
3148         (assemble_name): Use it.
3149         (weak_finish_1): Split out of...
3150         (weak_finish): ... and deal with weakrefs in...
3151         (weakref_targets): ... new list.
3152         (globalize_decl): Clean up weakref_targets.
3153         (do_assemble_alias): Handle weakrefs.
3154         (finish_aliases_1): Do not reject weakrefs to external symbols.
3155         (assemble_alias): Handle weakrefs.
3156
3157 2005-11-09  Richard Guenther  <rguenther@suse.de>
3158
3159         PR tree-optimization/24716
3160         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3161         t_bool to track results from follow_ssa_edge.
3162
3163 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3164
3165         * final.c (force_source_line): New global variable.
3166         (final_scan_insn): Set it to true instead of clearing last_filename.
3167         (notice_source_line): Return true if force_source_line is true,
3168         unless source info is absent.
3169
3170 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3171
3172         PR c/24644
3173         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3174         a linkage name for a variable if it a register variable.
3175         * c-decl.c (grokdeclarator): Global register variables
3176         should be set as PUBLIC.
3177
3178 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3179
3180         PR 24624
3181         * config/s390/s390.c (struct s390_frame_layout): New fields
3182         first_save_gpr_slot and last_save_gpr_slot.
3183         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3184         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3185         first_save_gpr and last_save_gpr with the _slot variants.
3186         (s390_register_info): Calculate first_save_gpr_slot and
3187         last_save_gpr_slot using regs_ever_live.
3188
3189 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3190
3191         PR 24623
3192         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3193         for a function containing a landing pad.
3194
3195 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3196
3197         PR 24034
3198         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3199         is live afterwards.
3200
3201 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3202
3203         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3204         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3205
3206 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3207
3208         Add ms2 support
3209         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3210         constants.
3211         (call,load,store): New insn types.
3212         (mem_access, branch_access): Adjust reservation conditions.
3213         (define_delay): Adjust condition.
3214         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3215         type.
3216         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3217         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3218         insn type.
3219         (call_internal, call_value_internal, return_internal,
3220         return_interrupt_internal, eh_return_internal, indirect_jump,
3221         tablejump): Set call insn type.
3222         (blockage, ei, di): Use appropriate unspec const.
3223         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3224         (ms1_get_attr_type): Adjust to give load & store types.
3225         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3226         backwards past a barrier.
3227         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3228         branch scheduling.
3229         (struct branch_info, struct label_info): New.
3230         (ms1_labels): New.
3231         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3232         (ms1_machine_reorg): New.
3233         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3234         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3235         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3236         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3237         (TARGET_MS2): New.
3238
3239 2005-11-09  Per Bothner  <per@bothner.com>
3240             Uros Bizjak  <uros@kss-loka.si>
3241
3242         PR c/24101
3243         * toplev.c (process_options): Initialize debug_hooks early
3244         in case lang_hooks.post_options ends up calling a debug_hook.
3245
3246 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3247
3248         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3249         DBX_REGISTER_NUMBER being contiguous.
3250
3251 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3252             Diego Novillo  <dnovillo@redhat.com>
3253
3254         PR 23046
3255         * tree-vrp.c (register_edge_assert_for): Do not register
3256         always-false predicates.
3257
3258 2005-11-08  Devang Patel <dpatel@apple.com>
3259
3260         PR tree-optimization/23115
3261         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3262         relation.
3263
3264 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3265
3266         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3267         -mcpu=440.
3268
3269 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3270
3271         Fix PR tree-optimization/23382
3272
3273         * tree-ssa-alias.c (compute_may_aliases): Call
3274         delete_old_heap_vars.
3275         * tree-dfa.c (referenced_var_remove): New function.
3276         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3277         * tree-flow.h (referenced_var_remove): Add prototype.
3278         (delete_old_heap_vars): Ditto.
3279         * tree-ssa-structalias.c (heapvars): New variable.
3280         (oldheapvars): Ditto.
3281         (get_constraint_for): Put heap vars on heapvars list.
3282         (delete_old_heap_vars): New function.
3283
3284 2005-11-08  Jason Merrill  <jason@redhat.com>
3285
3286         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3287
3288 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3289
3290         PR target/19340
3291         * reg-stack.c (reg_to_stack): Update register liveness also
3292         for flag_sched2_use_traces.
3293
3294 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3295
3296         PR target/23704
3297         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3298         override prior explicit -mno-powerpc-gfxopt.
3299
3300 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3301
3302         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3303         if the bitsize is zero.
3304         * doc/md.texi (Standard Pattern Names): Document it.
3305
3306         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3307         (TARGET_PASS_BY_REFERENCE): Likewise.
3308
3309 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3310
3311         PR rtl-optimization/24683
3312         * config/i386/i386.c (legitimize_pic_address): If constant operand
3313         to PLUS is too large, put it in a register.
3314
3315 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3316
3317         * configure.ac: Enable checking assembler dwarf2 support for bfin
3318         target.
3319         * configure: Regenerate.
3320
3321 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3322
3323         PR target/24230
3324
3325         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3326         gen_easy_vector_constant_add_self): Delete.
3327         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3328         New.
3329         (output_vec_const_move): Use gen_easy_altivec_constant.
3330         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3331         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3332         (easy_vector_constant_add_self): Rewritten.
3333         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3334         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3335         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3336         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3337         Macroize and adjust for the other changes.
3338
3339 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3340
3341         PR c/24599
3342
3343         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3344         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3345
3346 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR rtl-optimization/23567
3349         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3350         (noce_process_if_block): Don't do any optimizations except
3351         if (cond) x = x; if !set_b and write into orig_x may trap
3352         or fault.  Remove the MEM_READONLY_P check.
3353
3354 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3355
3356         PR 24670
3357         * tree-vrp.c (fix_equivalence_set): New.
3358         (extract_range_from_assert): Call it.
3359
3360 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3361
3362         PR target/22432
3363         * combine.c (apply_distributive_law): Don't distribute across a
3364         vector mode subreg.
3365
3366 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3367
3368         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3369         config/ms1/ms1.h, config/rs6000/predicates.md,
3370         config/s390/s390.c, params.def, postreload-gcse.c,
3371         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3372         tree-vrp.c, tree.c: Fix comment typos.
3373         * doc/invoke.texi: Fix typos.
3374
3375 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3376
3377         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3378         for testing whether the data_dependence_relation contains distance
3379         vectors.  Iterate over all distance vectors of the ddr.
3380         * lambda.h: Define a vec of lambda_vector pointers.
3381         * tree-data-ref.c (dump_data_dependence_relation,
3382         dump_data_dependence_direction): Iterate over all distance and
3383         direction vectors of the ddr.
3384         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3385         DDR_DIST_VECTS.
3386         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3387         of distance/direction vectors instead of a single one.
3388         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3389         lambda_vectors with a vec of lambda_vectors.
3390         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3391         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3392         DDR_NUM_DIST_VECTS): New.
3393         * tree-loop-linear.c (gather_interchange_stats): Test for the
3394         existence of distance vectors only after having checked that there
3395         is a dependence.  Iterate over all distance vectors of the ddr.
3396         (linear_transform_loops): Use dump_data_dependence_relation.
3397         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3398         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3399         distance vectors of the ddr.
3400
3401 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3402
3403         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3404         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3405         IS_INTHANDLER; all callers changed.
3406         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3407         account.
3408         (do_link, do_unlink): New argument ALL; all callers changed.
3409         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3410         If function isn't leaf, save and restore all registers.
3411         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3412         exception handler.
3413
3414 2005-11-05  Jan Hubicka  <jh@suse.cz>
3415
3416         PR rtl-optimization/23490
3417         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3418         max-flow-memory-location): Document.
3419         * flow.c: Include params.h
3420         (MAX_MEM_SET_LIST_LEN): Kill.
3421         (add_to_mem_set_list): Use new param.
3422         * cse.c (cse_basic_block): Replace 1000 by new param.
3423         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3424         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3425         * predict.c (predict_loops): Use new param.
3426         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3427
3428         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3429         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3430         Do not hold memory returned by cgraph_node_name across other call.
3431
3432 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3433
3434         PR target/23424
3435         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3436         Disable.
3437
3438 2005-11-04  Jeff Law  <law@redhat.com>
3439
3440         PR/21883
3441         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3442         * tree-ssa-dom.c: Include params.h.
3443         (thread_across_edge): If there are too many statements in the
3444         target block, then do not thread through it.
3445         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3446         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3447
3448 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3449
3450         PR 24627
3451         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3452         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3453
3454 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3455
3456         PR/18595
3457         * tree-scalar-evolution.c (instantiate_parameters_1,
3458         instantiate_parameters, resolve_mixers): Compute the size of an
3459         expression to be instantiated and give up the instantiation if the
3460         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3461
3462 2005-11-04  Richard Guenther  <rguenther@suse.de>
3463
3464         * tree-flow.h (ref_contains_indirect_ref): Rename to
3465         array_ref_contains_indirect_ref.
3466         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3467         (array_ref_contains_indirect_ref): Make comment match the code
3468         and vice-versa.
3469         (ref_contains_array_ref): Likewise.
3470         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3471         ref_contains_indirect_ref.
3472         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3473         Rename calls to ref_contains_indirect_ref.
3474
3475 2005-11-04 Paul Brook  <paul@codesourcery.com>
3476
3477         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3478         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3479         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3480         * config/arm/arm.md: Use match_operand in peephole input templates
3481         and match_dup in peephole output templates.
3482
3483 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3484
3485         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3486         __aeabi_uidiv.
3487
3488 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3489             Daniel Jacobowitz  <dan@codesourcery.com>
3490
3491         * longlong.h (add_ssaaaa): Clobber condition code register
3492         in ARM version.
3493         (sub_ddmmss): Likewise.
3494         (umul_ppmm): Likewise.
3495
3496 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3497             Paul Brook  <paul@codesourcery.com>
3498             Phil Blundell  <pb@reciva.com>
3499
3500         * configure.ac: Add test for ARM TLS support.
3501         * configure: Regenerated.
3502         * config/arm/arm-protos.h (legitimize_tls_address)
3503         (arm_tls_referenced_p, tls_mentioned_p)
3504         (arm_output_addr_const_extra): New prototypes.
3505         (thumb_legitimize_pic_address): Delete.
3506         * config/arm/arm.c: Include "gt-arm.h".
3507         (enum tls_reloc): New.
3508         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3509         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3510         (arm_call_tls_get_addr, legitimize_tls_address)
3511         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3512         (arm_init_tls_builtins, arm_emit_tls_decoration)
3513         (arm_output_addr_const_extra): New functions.
3514         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3515         (TARGET_HAVE_TLS): Define.
3516         (target_thread_pointer): New.
3517         (arm_override_options): Handle -mtp=.
3518         (legitimize_pic_address): Ignore UNSPECs.
3519         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3520         relative symbols.
3521         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3522         (tls_get_addr_libfunc): New variable.
3523         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3524         (arm_init_builtins): Call arm_init_tls_builtins.
3525         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3526         (arm_encode_section_info): Call default_encode_section_info.
3527         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3528         (enum arm_tp_type): New.
3529         (target_thread_pointer): Add declaration.
3530         (LEGITIMATE_CONSTANT_P): Handle TLS.
3531         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3532         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3533         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3534         * config/arm/arm.md: Add UNSPEC_TLS.
3535         (movsi): Handle TLS.
3536         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3537         non-PIC.
3538         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3539         (load_tp_hard, load_tp_soft): New insns.
3540         * arm.opt: Add -mtp=.
3541         * doc/invoke.texi (ARM Options): Document -mtp.
3542
3543 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3544
3545         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3546         * config/arm/libunwind.S: Include "lib1funcs.asm".
3547         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3548         (LIB2ADDEH): Add libunwind.S.
3549         (LIB2ADDEHDEP): Add lib1funcs.asm.
3550         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3551
3552 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3553
3554         PR fortran/18452
3555         * gcc/c.opt: Add a -lang-fortran option.
3556         * gcc/c-opts.c: Add a lang_fortran flag.
3557         (c_common_init_options): Handling the -lang-fortran option.
3558         (c_common_handle_option): Add a case for Fortran options in
3559         preprocessing. Remove cases for -ffixed-form and
3560         -ffixed-line-length. Add a case for -lang-fortran.
3561
3562 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3563
3564         * config/rs6000/rs6000.c: Include params.h
3565         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3566         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3567         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3568         (UNSPEC_VPKUWSS): Delete.
3569         (altivec_vpkuhss): Delete.
3570         (altivec_vpkuwss): Delete.
3571         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3572         final condition.
3573         (neg_eq0<mode>): Remove final condition.
3574         (neg_eq<mode>): Remove condition and split-condition.
3575
3576 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3577
3578         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3579         Use associated print macros.
3580
3581 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3582
3583         PR c++/17964
3584         * diagnostic.c (diagnostic_set_info_translated): New function.
3585         (diagnostic_set_info): Use it.  Add comment.
3586         * diagnostic.h (diagnostic_set_info_translated): Declare.
3587
3588 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3589
3590         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3591         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3592         reference only if 'public' is true.
3593         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3594         emit the .hidden directive only if the indirect reference is public.
3595         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3596         Pass it to dw2_force_const_mem.
3597         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3598         * dwarf2out.c (output_cfi): Adjust calls to above function.
3599         (output_call_frame_info): Likewise.
3600         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3601         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3602
3603 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3604
3605         PR tree-optimization/24483
3606         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3607         field to elts if possible.
3608
3609 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3610
3611         PR middle-end/23155
3612         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3613         CONSTRUCTOR.
3614
3615 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3616
3617         Fix PR tree-optimization/24351
3618
3619         * tree-ssa-structalias.c (struct variable_info): Add
3620         collapsed_into.
3621         (get_varinfo_fc): New function to follow collapsing.
3622         (new_var_info): Set collapsed_to to NULL.
3623         (dump_constraint): Follow collapsing.
3624         (build_constraint_graph): Handle collapsing.
3625         (do_simple_structure_copy): Return false if something bad
3626         happened.
3627         (collapse_rest_of_var): New function.
3628         (do_structure_copy): Collapse if do_simple_structure_copy returns
3629         false.
3630
3631 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3632
3633         PR middle-end/24589
3634         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3635         expressions to a statement list instead of gimplifying them.
3636
3637 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3638
3639         PR rtl-optimization/23585
3640         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3641         that can't trap plus a constant integer, if the mode has zero size.
3642
3643 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3644
3645         PR target/24620
3646         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3647         as operand 2.
3648         ("*insv<mode>_reg_extimm"): Likewise.
3649
3650 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3651
3652         PR c/24329
3653         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3654         c_common_type_for_mode returns an unnamed type.
3655
3656 2005-11-02  Richard Henderson  <rth@redhat.com>
3657
3658         PR target/9350
3659         PR target/24374
3660         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3661         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3662         * function.c (assign_parms): Use calls.internal_arg_pointer.
3663         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3664         code.
3665         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3666         (TARGET_CALLS): Add it.
3667         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3668         * targhooks.c (default_internal_arg_pointer): New.
3669         * targhooks.h (default_internal_arg_pointer): Declare.
3670         * tree.h (dwarf2out_reg_save_reg): Declare.
3671         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3672         * config/i386/i386.c (dbx_register_map): Add return column.
3673         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3674         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3675         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3676         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3677         (ix86_save_reg): Save force_align_arg_pointer.
3678         (ix86_emit_save_regs): Make regno unsigned.
3679         (ix86_emit_save_regs_using_mov): Likewise.
3680         (ix86_expand_prologue): Handle force_align_arg_pointer.
3681         (ix86_expand_epilogue): Likewise.
3682         * config/i386/i386.h: (dbx_register_map): Update.
3683         (dbx64_register_map, svr4_dbx_register_map): Update.
3684         (struct machine_function): Add force_align_arg_pointer.
3685         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3686         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3687         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3688
3689 2005-11-02  Jan Hubicka  <jh@suse.cz>
3690
3691         PR target/23303
3692         * i386.md: Add peep2 for simplyfing array accesses.
3693
3694 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3695
3696         PR target/24615
3697         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3698         * config/s390/s390.c (s390_decompose_shift_count): New function.
3699         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3700         (print_shift_count_operand): Use s390_decompose_shift_count.
3701         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3702         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3703
3704 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3705
3706         PR target/24600
3707         * loop.c (loop_givs_rescan): Use force_operand to expand
3708         complex GIVs.
3709
3710 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3711
3712         PR 22429
3713         * fold-const.c (build_range_check): Use unsigned when signed
3714         overflow is undefined also.  If etype is subtype, make sure that
3715         the subtraction is in the supertype.
3716
3717 2005-11-02  Richard Henderson  <rth@redhat.com>
3718
3719         PR target/24178
3720         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3721         by MEM_ALIGN.
3722
3723 2005-11-01  Richard Henderson  <rth@redhat.com>
3724
3725         PR 21518
3726         * loop.c (scan_loop): Do not propagate computations to a hard
3727         register destination with SMALL_REGISTER_CLASSES.
3728
3729 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3730
3731         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3732         costs for MULT inside PLUS or MINUS.
3733
3734 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3735
3736         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3737         (TRAMPOLINE_SIZE): Round up to 60.
3738         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3739
3740 2005-10-31  James E. Wilson  <wilson@specifix.com>
3741
3742         PR debug/24444
3743         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3744         ifdef.  Put ifdefs around call in gen_subprogram_die.
3745         (compute_frame_pointer_to_cfa_displacement): Likewise.
3746         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3747         not defined.
3748
3749         PR rtl-optimization/17356
3750         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3751         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3752
3753 2005-10-31  Jan Hubicka  <jh@suse.cz>
3754
3755         PR middle-end/24093
3756         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3757
3758         PR target/20928
3759         * i386.c (legitimize_pic_address): Deal with large immediates.
3760
3761         PR profile/20815
3762         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3763         from symbol names while computing checkup.
3764
3765         PR profile/24487
3766         * predict.c (predict_loops): Do not estimate more than
3767         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3768         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3769
3770 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3771
3772         PR tree-optimization/19097
3773         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3774
3775 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3776
3777         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3778
3779 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3780
3781         PR middle-end/23492
3782         * tree-inline.c (setup_one_parameter): If the init_stmt
3783         is NULL, don't insert the statement.
3784
3785 2005-10-30  Jan Hubicka  <jh@suse.cz>
3786
3787         PR tree-optimization/24172
3788         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3789
3790 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3791
3792         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3793         constants for hosts with long != 32 bits.
3794
3795 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3796
3797         PR middle-end/24093
3798         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3799
3800 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3801
3802         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3803         (TARGET_MS1_16_002): New.
3804         (TARGET_MS1_16_003): New.
3805
3806         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3807         ("*decrement_and_branch_until_zero_no_clobber"): New.
3808         Add corresponding splitter for decrement_and_branch_until_zero
3809         instruction.
3810         Key all decrement_and_branch_until_zero patterns off of
3811         TARGET_MS1_16_003.
3812
3813 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3814
3815         PR middle-end/24362
3816         * tree-complex.c (extract_component): Treat RESULT_DECL
3817         like the rest of the decls.
3818
3819 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3820
3821         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3822         indirect call to _mcount if the function needs a static chain.
3823
3824 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3825             Caroline Tice  <ctice@apple.com>
3826
3827         PR rtl-optimization/24460
3828         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3829         (dwarf2out_switch_text_section): Set it to true instead of
3830         incrementing separate_line_info_table_in_use.
3831         (output_loc_list): Additionally test have_switched_text_sections.
3832         (output_ranges): Likewise.
3833         (dwarf2out_finish): Likewise.
3834         * varasm.c (assemble_start_function): Do not call
3835         insert_section_boundary_note.
3836         (assemble_end_function): If flag_reorder_blocks_and_partition,
3837         switch to the function's section before emitting the .size directive.
3838         * bb-reorder.c (insert_section_boundary_note): Staticify.
3839         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3840         * output.h (insert_section_boundary_note): Delete.
3841
3842 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3843
3844         PR c/23103
3845         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3846         instead of pointer equality when comparing types.
3847
3848 2005-10-24  James E. Wilson  <wilson@specifix.com>
3849
3850         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3851         add_dependence_list_and_free calls.
3852
3853 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3854
3855         * contrib.texi: Add the names of the LLNL folks who donated
3856         Cray pointer support for gfortran.
3857
3858 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3859
3860         PR tree-optimization/24225
3861         * profile.c (branch_prob): Look from end to start through a
3862         basic block when looking for a locus.
3863
3864 2005-10-24  Richard Henderson  <rth@redhat.com>
3865
3866         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3867         parallel.
3868         (hppa_expand_prologue): Likewise.
3869
3870 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3871
3872         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3873         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3874         * pa.h (NO_PROFILE_COUNTERS): Define.
3875         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3876         (funcdef_nos): New vector to hold label numbers of deferred profile
3877         counters.
3878         (output_deferred_profile_counters): New function.
3879         (hppa_profile_hook): Push label number onto funcdef_nos.
3880         (pa_hpux_file_end): Call output_deferred_profile_counters if
3881         NO_DEFERRED_PROFILE_COUNTERS is false.
3882
3883         * pa-protos.h (get_deferred_plabel): New prototype.
3884         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3885         Make global.
3886         (output_call): Adjust calls.
3887
3888 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3889
3890         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3891         peculiarity of GOT/TOC section usage.
3892
3893 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3894
3895         PR objc/24435
3896          * c-common.c (constant_string_class_name): Add documentation.
3897
3898 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3899
3900         PR target/23832
3901         * recog.c (peephole2_optimize): Increment peep2_current_count
3902         only when the slot is empty.
3903
3904 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3905
3906         PR ada/23957
3907         * except.c (output_function_exception_table): Call
3908         assemble_external_libcall if we need a personality function.
3909
3910 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3911
3912         PR rtl-optimization/24460
3913         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3914         set the basic block for barriers.
3915
3916 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3917
3918         * var-tracking.c (vt_initialize): Initialize post.
3919
3920 2005-10-21  Devang Patel  <dpatel@apple.com>
3921
3922         PR/24220
3923         * c-common.c (vector_types_convertible_p): Check vector element type.
3924
3925 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3926
3927         * config/sh/sh.c (prepare_move_operands): Handle the address
3928         constant which is a tls symbolic address plus a constant.
3929
3930 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3931
3932         PR driver/24473
3933         * gcc.c (main): Use the correct counter for erroring out
3934         about mulitple files.
3935
3936 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3937
3938         PR target/24465
3939         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3940         use r2 for 64-bit tls .got access.
3941
3942 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3943
3944         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3945         TRUTH_OR_EXPR.
3946
3947 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3948
3949         PR tree-optimization/24307
3950         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3951
3952 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3953
3954         PR middle-end/24295
3955         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3956         alias targets.
3957         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3958         is ready, stop marking functions, but still mark variables.
3959
3960 2005-10-20  Richard Guenther  <rguenther@suse.de>
3961
3962         PR c++/24439
3963         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3964         void type operands.
3965
3966 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3967
3968         PR rtl-optimization/23585
3969         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3970         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3971         (may_trap_p_1): New predicate extracted from...
3972         (may_trap_p): ... here.  Invoke may_trap_p_1.
3973         (may_trap_or_fault_p): New predicate.
3974         * rtl.h (may_trap_or_fault_p): Declare it.
3975         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3976         instead of may_trap_p.
3977         (steal_delay_list_from_fallthrough): Likewise.
3978         (fill_simple_delay_slots): Likewise.
3979         (fill_slots_from_thread): Likewise.
3980         * function.c (pad_to_arg_alignment): Rework comment about
3981         SPARC_STACK_BOUNDARY_HACK.
3982         * config/sparc/sparc.h: Likewise.
3983
3984 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3985
3986         * config/s390/s390.c (s390_expand_insv): New.
3987         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3988         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3989         ("icm_hi"): Remove mode attribute.
3990         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3991         Adjust all uses.
3992         ("*extracthi", "*extractqi"): Remove.
3993         (extv<mode>", "*extzv<mode>"): New.
3994         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3995         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3996
3997 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3998
3999         * cfgexpand.c (discover_nonconstant_array_refs_r,
4000         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4001         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4002         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4003         discover_nonconstant_array_refs.
4004
4005 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4006
4007         PR c/23228
4008         * c-decl.c (pop_scope): Don't warn about an unused variable
4009         if it is marked with TREE_NO_WARNING.
4010         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4011         somenow mismatch and olddecl is to be replaced.
4012
4013 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4014
4015         PR middle-end/23199
4016         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4017         whether registers live on the edge can be saved/restored.
4018
4019 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4020
4021         * config/sh/sh.c (fixup_mova): Skip notes.
4022
4023 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4024
4025         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4026         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4027         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4028         (s390_initial_elimination_offset): Likewise.
4029         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4030         register on TARGET_ZARCH targets.
4031         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4032         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4033         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4034         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4035
4036 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4037
4038         * config/s390/s390.md: Comment describing output modifiers updated.
4039         * config/s390/s390.c (print_operand): Likewise.
4040
4041 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4042
4043         * config/s390/s390.c (override_options): Added check for -mstack-size
4044         64k limitation.
4045         * doc/invoke.texi: Mention that limit in the documenation.
4046
4047 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4048
4049         PR #19672
4050         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4051
4052 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4053
4054         Fix PR tree-optimization/24231
4055
4056         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4057         (compute_avail): Ditto.
4058
4059 2005-10-18  Richard Henderson  <rth@redhat.com>
4060
4061         PR target/24428
4062         * config/i386/i386.c (legitimate_constant_p): Check
4063         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4064         if LABEL_REF.
4065         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4066         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4067         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4068         directly.
4069         (print_operand_address): Likewise.
4070         * config/i386/predicates.md (x86_64_immediate_operand): Test
4071         SYMBOL_REF_TLS_MODEL properly inside CONST.
4072         (x86_64_zext_immediate_operand): Likewise.
4073         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4074         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4075         * config/i386/i386-protos.h: Remove predicates.md entries.
4076
4077 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4078
4079         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4080         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4081
4082 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4083             Ian Lance Taylor <ian@airs.com>
4084
4085         PR middle-end/23522
4086         * fold-const.c (fold_widened_comparison): Do not allow range based
4087         constant folding when right operand cannot be unwidened.
4088
4089 2005-10-17  Richard Henderson  <rth@redhat.com>
4090
4091         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4092         with a memory clobber.
4093
4094 2005-10-17  James E Wilson  <wilson@specifix.com>
4095
4096         PR rtl-optimization/17356
4097         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4098         checking for EDGE_EH.
4099
4100 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4101
4102         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4103         the slot on an even boundary for any type with 16-byte alignment.
4104
4105 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4106
4107         PR target/23424
4108         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4109         after register allocation.
4110
4111 2005-10-17  DJ Delorie  <dj@redhat.com>
4112
4113         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4114         as frame related.
4115
4116 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4117
4118         PR c++/22551
4119         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4120         overflow flags.
4121
4122 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4123
4124         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4125         to 2 if it's already non-zero.
4126         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4127         is set and warn about it if flag_schedule_insns is 1.
4128
4129 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4130
4131         * config/crx/crx.md: Compare-and-branch instructions need to
4132         invalidate CC.
4133
4134 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4135
4136         PR target/24315
4137         * config/i386/i386.md (*pushdi2_rex64 splitter)
4138         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4139         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4140         flow2 pass only when (optimize > 0 && flag_peephole2).
4141
4142 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4143
4144         PR driver/22544
4145         * gcc.c (have_c): New static variable.
4146         (have_o): Likewise.
4147         (process_command): Remove declation of have_c.
4148         Set have_o to 1 when handling -o.
4149         (main): Add a fatel error if there are multiple
4150         files specified and -o and -c/-S is passed witout
4151         -combine or multiple languages.
4152
4153 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4154
4155         Fix PR tree-optimization/22444
4156         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4157         Assert that we don't hit something with subvars.
4158         (setup_pointers_and_addressables): Don't add things with subvars,
4159         because we'll already process the subvars for aliasing purposes.
4160
4161 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4162
4163         PR target/23424
4164         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4165         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4166         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4167         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4168         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4169         swapped, alternatives for the R constraint.
4170
4171         PR middle-end/24341
4172         * builtins.c (get_builtin_sync_mode): Make unlimited
4173         mode_for_size request.
4174
4175 2005-10-15  Richard Henderson  <rth@redhat.com>
4176
4177         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4178         (gimplify_expr): ... here.
4179         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4180         fb_lvalue in base expression.
4181
4182 2005-10-15  Richard Henderson  <rth@redhat.com>
4183
4184         PR 23714
4185         * builtins.c (expand_builtin_trap): Export.
4186         * expr.h (expand_builtin_trap): Declare.
4187         * expr.c (expand_assignment): Emit a trap for integral offsets
4188         from registers that weren't reduced to bitpos.
4189
4190         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4191         (mark_array_ref_addressable): Remove.
4192         * tree-flow.h (mark_array_ref_addressable): Remove.
4193         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4194
4195 2005-10-15  James E Wilson  <wilson@specifix.com>
4196
4197         PR target/24232
4198         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4199         (add_dependence_list_and_free): Likewise.
4200         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4201         call.
4202
4203 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4204
4205         PR 23141
4206         PR 23142
4207         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4208         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4209         anti-range.
4210         (vrp_visit_phi_node): Only prevent infinite iterations when
4211         the previous result and the new result are both VR_RANGEs.
4212
4213 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4214
4215         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4216         function comment.
4217
4218 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4219
4220         PR c/23439
4221         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4222         to initialize loc.
4223
4224 2005-10-14  Per Bothner  <per@bothner.com>
4225
4226         PR preprocessor/21250
4227         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4228
4229 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4230
4231         PR c++/22551
4232         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4233         overflow flags.  Refactor some conditionals.
4234
4235 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4236
4237         PR tree-opt/21304
4238         * tree-dfa.c (add_referenced_var): Only look at decls which
4239         have TREE_CONSTANT or TREE_READONLY set instead of if
4240         !TREE_PUBLIC or !TREE_CONSTANT.
4241
4242 2005-10-13  James E Wilson  <wilson@specifix.com>
4243
4244         * doc/invoke.texi: For -x, add f95-cpp-input.
4245         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4246
4247 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4248
4249         PR tree-optimization/24262
4250         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4251         in loop all the time.
4252
4253 2005-10-12  Richard Henderson  <rth@redhat.com>
4254
4255         PR c/24255
4256         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4257         * function.c (assign_parm_find_data_types): Don't support it.
4258         * print-tree.c (print_node): Likewise.
4259         * c-common.c (handle_transparent_union_attribute): Likewise.
4260         Use build_duplicate_type.
4261         * tree-inline.c (remap_type_1): Split out of remap_type;
4262         properly remap aggregate fields.
4263         (build_duplicate_type): New.
4264         * doc/extend.texi (Variable Attributes): Remove documentation
4265         for transparent_union.
4266
4267 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4268
4269         PR target/24284
4270         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4271         (gen_stack_pointer_dec): Likewise.
4272
4273 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4274
4275         PR middle-end/21275
4276         PR middle-end/21766
4277         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4278         target hook.
4279         (struct cxx): Add adjust_class_at_definition target hook.
4280         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4281         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4282         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4283         hook_void_tree. Add to TARGET_CXX.
4284         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4285         dllimport_flag.
4286         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4287         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4288         instead of attribute. Check for dllexport override.  Warn if
4289         inconsistent dll linkage. Don't lose old dllimport if decl has
4290         had address referenced.   Tweak lookup of dllimport atribute.
4291         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4292         for target specific rules.  Don't add dllimport attribute if
4293         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4294         dllimport attribute.
4295         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4296         * varasm.c (initializer_constant_valid_p): Replace
4297         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4298
4299         PR target/21801
4300         PR target/23589
4301         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4302         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4303         (i[34567]86-*-mingw32*): Likewise.
4304
4305         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4306         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4307
4308         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4309         C++-specific code. Change return value to bool.
4310         (i386_pe_dllimport_p): Likewise.
4311         (associated_type): Simplify and make language-independent
4312         (i386_pe_encode_section_info): Replace override of ambiguous
4313         dllimport symbol refs with a gcc_assert.
4314         (i386_pe_valid_dllimport_attribute_p): Define.
4315         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4316         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4317         i386_pe_adjust_class_at_definition.
4318         * config/i386/winnt-stubs.c: New file. Define stub versions of
4319         lang-specific functions.
4320         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4321         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4322         i386_pe_adjust_class_at_definition.
4323         (i386_pe_valid_dllimport_attribute_p): Declare.
4324         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4325         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4326         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4327
4328         PR target/19704
4329         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4330         dllimport attribute with test of DECL_DLLIMPORT_P.
4331
4332 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4333
4334         * combine.c (make_extraction): Correct offset computation.
4335
4336 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4337
4338         * config/cris/t-linux (LIMITS_H_TEST): Define.
4339
4340 2005-10-12  Richard Henderson  <rth@redhat.com>
4341
4342         PR rtl-opt/23324
4343         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4344
4345 2005-10-12  Richard Guenther  <rguenther@suse.de>
4346
4347         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4348
4349 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4350
4351         PR c++/19964
4352         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4353         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4354         type.
4355
4356 2005-10-12  Richard Guenther  <rguenther@suse.de>
4357
4358         PR c++/23799
4359         * varasm.c (output_constant): Correct typo from previous
4360         patch by DJ.
4361
4362 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4363
4364         PR rtl-optimization/13931
4365         * combine.c: Revert patch of 2003-05-14, and:
4366         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4367         completely killed in the appropriate insn.
4368         (distribute_notes): Don't skip multiple hard register test for
4369         elim_i1 and elim_i2.
4370
4371 2005-10-11  Richard Henderson  <rth@redhat.com>
4372
4373         PR c/24255
4374         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4375         to initialize a transparent union instead of a nop_expr.
4376
4377 2005-10-11  Richard Henderson  <rth@redhat.com>
4378
4379         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4380         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4381         (tree_ssa_dce_loop): Call scev_reset.
4382
4383         PR tree-opt/24300
4384         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4385         * tree-ssa-dce.c: Include cfgloop.h.
4386         (tree_ssa_dce_loop, pass_dce_loop): New.
4387         * tree-pass.h (pass_dce_loop): Declare it.
4388         * passes.c (init_optimization_passes): Use it.
4389
4390 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4391
4392         PR middle-end/24263
4393         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4394         Only apply the optimization for rounding builtins if the inner
4395         cast is also an extension.
4396
4397 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4398
4399         PR tree-opt/23946
4400         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4401         mark_new_vars_to_rename instead of update_stmt.
4402
4403 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4404
4405         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4406
4407 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4408
4409         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4410         for setting MMX register to 0 rather than mmx.
4411
4412 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4413
4414         PR target/12098
4415         * configure.ac: Move gas check from mips specific case to common case.
4416         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4417         * configure: Regenerate
4418         * doc/install.texi: Update.
4419
4420 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4421
4422         PR target/24284
4423         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4424
4425 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4426
4427         * gcc.c (do_spec_1): Accept numeric characters in file name
4428         suffixes.
4429
4430 2005-10-10  Nick Clifton  <nickc@redhat.com>
4431
4432         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4433         describing the deleted arm_gen_rotated_half_load function.
4434
4435 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4436
4437         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4438         __fpscr_values.
4439
4440 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4441
4442         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4443         gnu_ld assignments.
4444         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4445         (EXTRA_MULTILIB_PARTS): Define.
4446         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4447         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4448         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4449         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4450         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4451         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4452
4453 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4454
4455         PR tree-optimization/24226
4456         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4457         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4458         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4459         Export.
4460
4461 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4462
4463         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4464
4465 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4466
4467         PR target/24136
4468         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4469         Rewrite for no need for the early clobber.
4470
4471 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4472
4473         Merge from csl-arm-branch:
4474         2005-09-07  Paul Brook  <paul@codesourcery.com>
4475         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4476         space to string.
4477
4478         2005-04-30  Paul Brook  <paul@codesourcery.com>
4479         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4480         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4481
4482         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4483         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4484         (arm_override_options): Use TARGET_AAPCS_BASED.
4485         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4486         (PTRDIFF_TYPE): Use int for AAPCS.
4487         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4488         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4489         (DEFAULT_SHORT_ENUMS): Delete.
4490         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4491
4492         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4493         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4494         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4495         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4496
4497         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4498         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4499
4500         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4501         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4502
4503         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4504         * config.gcc (arm*-*-linux-gnueabi): Add it.
4505         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4506         redefining it.
4507         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4508         * config/arm/linux-eabi.h: New file.
4509         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4510         (LINUX_TARET_LINK_SPEC): Likewise.
4511         (LINK_SPEC): Use it.
4512         * config/arm/t-linux-eabi: New file.
4513
4514 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4515
4516         PR other/22202
4517         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4518         spaces.
4519         (PARAM_SMS_DFA_HISTORY): Likewise.
4520
4521 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4522
4523         PR middle-end/23150
4524         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4525         (load_register_parameters): Call it.
4526         (check_sibcall_argument_overlap_1): Likewise.
4527         (store_one_arg): Likewise.
4528
4529 2005-10-07  James E. Wilson  <wilson@specifix.com>
4530
4531         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4532         DImode not VECINT24 for operand 2.
4533
4534         PR target/23644
4535         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4536         -mtune-arch.
4537
4538         PR target/24193
4539         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4540         fr_spill): Use destination_operand for operand 0.
4541
4542 2005-10-07  DJ Delorie  <dj@redhat.com>
4543
4544         * varasm.c (output_constant): Limit error to expanding
4545         conversions.
4546
4547 2005-10-07  Richard Guenther  <rguenther@suse.de>
4548
4549         PR middle-end/24227
4550         * fold-const.c (fold_binary): Fix operand types during folding
4551         of X op (A, Y).  Evaluation order of the side-effects of
4552         X and A are frontend-defined, so ensure we honour that even for
4553         tcc_comparison class operands; eased by removing duplicate code.
4554
4555 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4556
4557         * stor-layout.c (layout_type): Do not allow alignment of array
4558         elements to be greater than their size.
4559
4560 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4561
4562         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4563         host_xmake_file.
4564         (hppa*-*-linux*): Ditto.
4565         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4566         * config/host-hpux.c: New.
4567         * config/x-hpux: New.
4568         * config/pa/x-hpux: Remove.
4569         * config/pa/x-linux: Remove.
4570         * config/pa/pa-host.c: Remove.
4571
4572 2005-10-07  Jeff Law  <law@redhat.com>
4573
4574         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4575         determine whether or not to try and thread outgoing edges.
4576
4577 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4578
4579         * config/rs6000/rs6000.md (eqsi_power): New.
4580         (neg_eq0si): Add TARGET_POWER to final condition.
4581         (neg_eqsi): Same.
4582
4583 2005-10-06  Richard Henderson  <rth@redhat.com>
4584
4585         * config/rs6000/rs6000.c: Revert last change.
4586
4587 2005-10-06  Richard Henderson  <rth@redhat.com>
4588
4589         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4590         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4591
4592 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4593
4594         PR middle-end/22216
4595         PR middle-end/23651
4596         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4597         out return_label and naked_return_label.
4598
4599 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4600
4601         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4602         change.
4603
4604 2005-10-06  Richard Henderson  <rth@redhat.com>
4605
4606         PR tree-opt/22237
4607         * tree-inline.c (declare_return_variable): Handle modify_dest not
4608         being a DECL.
4609
4610 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4611
4612         Fix PR tree-optimization/22488
4613         * tree-ssa-structalias.c (check_for_overlaps): New function.
4614         (create_variable_info_for): Use it.
4615
4616 2005-10-06  Richard Henderson  <rth@redhat.com>
4617
4618         PR debug/24070
4619         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4620         (dwarf2out_start_source_file): Print it.
4621
4622 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4623
4624         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4625
4626 2005-10-06  Richard Henderson  <rth@redhat.com>
4627
4628         PR 23706
4629         * mode-switching.c (optimize_mode_switching): Clear transp bit
4630         for block with incomming abnormal edges.
4631
4632         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4633         (fpscr_set_from_mem): Use them.
4634         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4635         (fpscr postinc splitters): Rewrite as peephole2+split.
4636
4637 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4638
4639         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4640         (eq<mode>_compare): Same.
4641
4642 2005-10-06  Richard Guenther  <rguenther@suse.de>
4643
4644         PR tree-optimization/24238
4645         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4646
4647 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4648
4649         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4650         here.  Use AC_PATH_PROG for environment variables instead of
4651         test -x.
4652         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4653         objdump also.
4654         * configure: Regenerated.
4655
4656 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4657
4658         PR target/23783
4659         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4660         then force it into a register.
4661         (call_value): Likewise.
4662
4663 2005-10-06  Richard Henderson  <rth@redhat.com>
4664
4665         PR 24049
4666         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4667         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4668         under pass_vectorize.
4669
4670 2005-10-05  Devang Patel  <dpatel@apple.com>
4671
4672         PR Debug/23205
4673         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4674         handling constants. Check NAMESPACE_DECL context for constants.
4675
4676 2005-10-05  Eric Christopher  <echristo@apple.com>
4677
4678         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4679
4680 2005-10-05  Richard Henderson  <rth@redhat.com>
4681
4682         PR 23714
4683         * tree-cfg.c (mark_array_ref_addressable_1): New.
4684         (mark_array_ref_addressable): New.
4685         * tree-flow.h (mark_array_ref_addressable): Declare.
4686         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4687
4688 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4689
4690         PR middle-end/20606
4691         PR middle-end/24069
4692         * reload.c (subst_reloads): When adding a REG_LABEL to a
4693         jump instruction, also update JUMP_LABEL.
4694
4695 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4696
4697         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4698         * bb-reorder.c (copy_bb_p): Use it.
4699         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4700
4701 2005-10-05  Richard Henderson  <rth@redhat.com>
4702
4703         PR target/23602
4704         * toplev.c (process_options): Warn about unsupported combinations
4705         of unwind tables and omit-frame-pointer.
4706         * config/i386/i386.c (override_options): Similarly.  Enable
4707         accumulate-outgoing-args if not explicitly disabled.
4708
4709 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4710
4711         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4712         Handle big endian vs. small endian.
4713         (vec_initv2sf): Handle big endian vs. small endian.
4714         (*vec_extractv2sf_1): Ditto.
4715
4716 2005-10-05  Dale Johannesen  <dalej@apple.com>
4717
4718         * convert.c (convert_to_real):  Don't convert
4719         (float)floor(double d) to floorf((float)d).
4720
4721 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4722
4723         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4724
4725 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4726
4727         PR tree-optimization/18587
4728         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4729         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4730         build_vuses): Change to VEC type.
4731         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4732         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4733         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4734         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4735         (get_name_decl): New.  Return DECL_UID of base variable.
4736         (operand_build_cmp): New.  qsort comparison routine.
4737         (operand_build_sort_virtual): New.  Sort virtual build vector.
4738         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4739         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4740         (FINALIZE_BASE): Use get_name_decl.
4741         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4742         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4743         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4744         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4745         direct VEC_* manipulations.
4746         (build_ssa_operands): Call operand_build_sort_virtual.
4747         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4748         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4749         with direct VEC_* manipulations.
4750         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4751         with direct VEC manipulations.
4752
4753 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4754
4755         PR tree-optimization/21419
4756         PR tree-optimization/24146
4757         PR tree-optimization/24151
4758
4759         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4760         (build_asm_expr): Call it if outputs are read-only.
4761         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4762
4763 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4764             Paolo Bonzini  <bonzini@gnu.org>
4765
4766         PR target/23809
4767
4768         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4769         enable the instructions and not just the built-ins.
4770         * doc/invoke.texi (x86 Options): Likewise.
4771
4772 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4773
4774         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4775
4776         * doc/invoke.texi (Option Summary): Correct spelling
4777         of -mmacosx-version-min.
4778
4779 2005-10-04  Devang Patel  <dpatel@apple.com>
4780
4781         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4782         real types.
4783
4784 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4785
4786         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4787         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4788
4789 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4790
4791         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4792         ("TE","tg"): New mode attributes.
4793         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4794         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4795         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4796         dword_mode and one for GPRmode.
4797
4798 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4799
4800         PR preprocessor/13726
4801         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4802         any comments passed in.
4803
4804 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4805
4806         * tree.c (annotate_with_file_line): Fix typo.
4807
4808 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4809
4810         PR ada/19382
4811         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4812         type used to access data in the inlined length == 1 case, use
4813         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4814         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4815
4816 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4817
4818         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4819         TARGET_SSE3 and only for TARGET_80387.
4820         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4821         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4822         Do not depend on TARGET_80387.
4823
4824 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4825
4826         * tree.c (last_annotated_node): Change type to location_t*.
4827         (annotate_with_file_line): Reflect the change of
4828         last_annotated_node type.
4829
4830 2005-10-04  Richard Guenther  <rguenther@suse.de>
4831
4832         PR c/23576
4833         * c-decl.c (grokdeclarator): Don't write to fields
4834         of error_mark_node.
4835
4836 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4837
4838         PR middle-end/23125
4839         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4840         register variables.
4841         * varasm.c (make_decl_rtl): If a register variable does not
4842         have a set user assmbler name, error out.
4843         Decode the asmspec is now name+1 bypassing '*'.
4844
4845 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4846
4847         PR tree-optimization/23049
4848         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4849         of a COND_EXPR is folded before calling fold on the whole rhs of a
4850         conditional assignment.
4851         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4852         document that a COND_EXPR may appear there.
4853
4854 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4855
4856         PR 23445
4857         * tree-vrp.c (extract_range_from_assert): If the new numeric
4858         range created out of the assertion contradicts the existing
4859         numeric range of the ASSERT_EXPR variable, make the new range
4860         varying.
4861
4862 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4863
4864         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4865         from T_REGS to FP register class.
4866
4867 2005-10-03  Richard Henderson  <rth@redhat.com>
4868
4869         PR 24135
4870         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4871         before creating a new one.
4872
4873 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4874
4875         * config/rs6000/t-aix43 (LDFLAGS): New.
4876         * config/rs6000/t-aix52 (LDFLAGS): New.
4877
4878 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4879
4880         * gimplify.c (find_single_pointer_decl_1): New static function.
4881         (find_single_pointer_decl): New static function.
4882         (internal_get_tmp_var): For a formal variable, set restrict base
4883         information if appropriate.
4884         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4885         return it.
4886         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4887         (DECL_GET_RESTRICT_BASE): Define.
4888         (SET_DECL_RESTRICT_BASE): Define.
4889         (decl_restrict_base_lookup): Declare.
4890         (decl_restrict_base_insert): Declare.
4891         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4892         * tree.c (restrict_base_for_decl): New static variable.
4893         (init_ttree): Initialize restrict_base_for_decl.
4894         (copy_node_stat): Copy restrict base information.
4895         (decl_restrict_base_lookup): New function.
4896         (decl_restrict_base_insert): New function.
4897         (print_restrict_base_statistics): New static function.
4898         (dump_tree_statistics): Call print_restrict_base_statistics.
4899
4900 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4901
4902         PR 24142
4903         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4904         case of anti-ranges.
4905
4906 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4907
4908         PR c/18851
4909         * c-typeck.c (tagged_tu_seen): Rename to ...
4910         (tagged_tu_seen_cache): this and add val field.
4911         (comptypes): Move functional to comptypes_internal
4912         and free tagged_tu_seen.
4913         (comptypes_internal): New function and call comptypes_internal
4914         instead of comptypes. Speed up by sibcalling
4915         tagged_types_tu_compatible_p.
4916         (alloc_tagged_tu_seen): New function
4917         (free_all_tagged_tu_seen_up_to): New function.
4918         (tagged_types_tu_compatible_p): Return the val of the seen two
4919         types.
4920         Add that the two types are the same to tagged_tu_seen_base
4921         if they are and call comptypes_internal instead of comptypes.
4922         <case UNION_TYPE>: Speed up common type where the fields are
4923         in the same order.
4924         (function_types_compatible_p): Call comptypes_internal instead of
4925         comptypes.
4926         (type_lists_compatible_p): Likewise.
4927         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4928
4929 2005-10-02  Matthias Klose  <doko@debian.org>
4930
4931         * doc/invoke.texi: Fix typo and speling error.
4932
4933 2005-10-01  Richard Henderson  <rth@redhat.com>
4934
4935         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4936
4937 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4938
4939         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4940         using --start-group and --end-group.
4941
4942 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4943
4944         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4945         FIXME note regarding quirky semantics.
4946
4947 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4948
4949         PR 24141
4950         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4951         non-null range as a last resort.
4952
4953 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4954             Diego Novillo  <dnovillo@redhat.com>
4955
4956         PR 23604
4957         * tree-vrp.c (extract_range_from_assert): For !=
4958         assertions, only build an anti-range if LIMIT is a
4959         single-valued range.
4960
4961 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4962
4963         * arm.md (movqi): On thumb when optimizing, handle loading from
4964         memory by describing this as taking a subreg of a zero-extended load
4965         into an SImode register.
4966         (movhi): Likewise.
4967
4968 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4969
4970         * reload1.c (merge_assigned_reloads): Do not change any
4971         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4972
4973 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4974
4975         * Makefile.in (LIPO_FOR_TARGET): Define.
4976         (STRIP_FOR_TARGET): Define.
4977
4978         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4979         before creating new ones.  Do symlinks before creating the actual
4980         targets.
4981
4982         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4983         to work out which multilibs are actually being built.
4984
4985 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4986
4987         * tree-vect-transform.c, config/ms1/ms1.md,
4988         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4989         Follow spelling conventions.
4990         * doc/invoke.texi, doc/md.texi: Fix typos.
4991
4992 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4993
4994         PR tree-optimization/21430
4995         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4996         use operands, and set stmt pointer if need be.
4997         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4998         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4999         present.
5000
5001 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5002
5003         PR middle-end/24053
5004         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5005
5006 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5007
5008         * optabs.c (expand_binop): Initialize first_pass_p.
5009
5010 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5011
5012         PR middle-end/24109
5013         * c-decl.c (c_write_global_declarations_1): If any
5014         wrapup_global_declaration_2 call returned true, restart the loop.
5015
5016 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5017
5018         Fix PR tree-optimization/24117
5019         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5020         before considering whether to use anyoffset.
5021
5022 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5023
5024         Revert this patch:
5025
5026         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5027
5028         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5029         to order operands.
5030         (swap_commutative_operands_with_target): New.
5031
5032 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5033
5034         PR c/21419
5035         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5036         read-only.
5037
5038 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5039
5040         PR tree-optimization/23911
5041         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5042         and IMAGPART_EXPR too.
5043
5044 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5045
5046         PR 17886
5047         * expmed.c (expand_shift): Move logic to reverse rotation
5048         direction when  rotating by constants ...
5049         * optabs.c (expand_binop): ... here.
5050         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5051         (ix86_rotrdi3): New pattern.
5052         (rotldi3): Handle 32-bit mode.
5053         (ix86_rotldi3): New pattern.
5054
5055 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5056
5057         PR target/24102
5058         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5059         check for numbers that need no bit twiddle.
5060
5061 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5062
5063         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5064         multilib to be built.
5065
5066         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5067         (stage1-start): Delete old libgcc and libunwind before moving
5068         anything into the stage directory.
5069         (stage2-start): Likewise.
5070         (stage3-start): Likewise.
5071         (stage4-start): Likewise.
5072         (stageprofile-start): Likewise.
5073         (stagefeedback-start): Likewise.
5074         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5075         header in tm_file and CPU-specific t-darwin in tmake_file.
5076         (i[34567]86-*-darwin*): Don't change tm_file.
5077         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5078         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5079         shared library stub for target OS version.
5080         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5081         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5082         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5083         (libgcc_s.%.dylib): New.
5084         (LIBGCC): Define.
5085         (install-darwin-libgcc-stubs): New.
5086         (INSTALL_LIBGCC): New append.
5087         * config/i386/darwin-libgcc.10.4.ver: New.
5088         * config/i386/darwin-libgcc.10.5.ver: New.
5089         * config/i386/t-darwin: New.
5090         * config/rs6000/darwin-libgcc.10.4.ver: New.
5091         * config/rs6000/darwin-libgcc.10.5.ver: New.
5092         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5093         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5094
5095 2005-09-28  Paul Brook  <paul@codesourcery.com>
5096
5097         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5098         denormals.
5099
5100 2005-09-28  Richard Guenther  <rguenther@suse.de>
5101
5102         PR tree-optimization/23853
5103         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5104         host_integerp to verify misalignment value.
5105
5106 2005-09-28  Richard Henderson  <rth@redhat.com>
5107
5108         * builtins.c (get_builtin_sync_mode): New.
5109         (expand_builtin_sync_operation): Pass in mode argument.
5110         (expand_builtin_compare_and_swap): Likewise.
5111         (expand_builtin_lock_test_and_set): Likewise.
5112         (expand_builtin_lock_release): Likewise.
5113         (expand_builtin): Update to match.
5114
5115 2005-09-28  Nick Clifton  <nickc@redhat.com>
5116
5117         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5118         formatting.  Add check to PLUS case to ensure that the offset is
5119         within an acceptable range.
5120
5121         * config/v850/v850.md (casesi): Disable the generation of the
5122         switch pattern as it is not being handled properly at the moment.
5123
5124         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5125         for when the high words are identical.
5126
5127 2005-09-27  Richard Henderson  <rth@redhat.com>
5128
5129         * pretty-print.c (pp_base_format): Fix typo for %>.
5130
5131 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5132             Devang Patel  <dpatel@apple.com>
5133
5134         PR tree-optimization/23625
5135         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5136         LABEL_EXPR, assertion check.
5137
5138 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5139
5140         * optabs.c (no_conflict_move_test): Check if a result of a
5141         to-be-moved insn would be clobbered by an originally
5142         preceding insn.
5143
5144 2005-09-27  Jeff Law  <law@redhat.com>
5145
5146         * passes.c (init_optimization_passes): Replace copy propagation
5147         passes immediately after DOM with phi-only copy propagation
5148         pases.  Add phi-only copy propagation pass after first DOM pass.
5149         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5150         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5151         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5152         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5153         to init_copy_prop.  Callers updated.
5154         (do_phi_only_copy_prop): New function.
5155         (pass_phi_only_copy_prop): New pass descriptor.
5156
5157 2005-09-27  Nick Clifton  <nickc@redhat.com>
5158
5159         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5160
5161 2005-09-26  Jason Merrill  <jason@redhat.com>
5162
5163         PR c++/13764
5164         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5165
5166         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5167
5168 2005-09-26  James E Wilson  <wilson@specifix.com>
5169
5170         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5171         copyright.  Add gcc copyright plus libgcc exception.
5172         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5173         copyright.
5174         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5175
5176 2005-09-26  Jeff Law  <law@redhat.com>
5177
5178         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5179         about when to iterate.
5180
5181 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5182
5183         PR target/23847
5184         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5185         for __complex__ double in -mcpu=G5 mode.
5186
5187 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5188
5189         PR tree-optimization/23942
5190         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5191         * tree-scalar-evolution.c: Include params.h.
5192         (t_bool): New enum.
5193         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5194         follow_ssa_edge_in_condition_phi_branch,
5195         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5196         Change return type to t_bool.  Use a parameter to limit the size of
5197         trees that are walked before stopping
5198         (analyze_evolution_in_loop): Initialize the limit to 0.
5199         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5200         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5201
5202 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5203
5204         PR middle-end/23831
5205         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5206         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5207
5208 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5209
5210         * combine.c (make_extraction): Check for valid use of subreg.
5211
5212 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5213
5214         PR target/24055
5215         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5216         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5217         ("fist<mode>2_with_temp"): Use only register operands.
5218
5219 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5220
5221         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5222         CALL_INSN_FUNCTION_USAGE.
5223
5224 2005-09-26  Richard Guenther  <rguenther@suse.de>
5225
5226         PR middle-end/15855
5227         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5228         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5229         (ldst_entry): Use the hashtable instead of list-walking.
5230         (find_rtx_in_ldst): Likewise.
5231         (free_ldst_entry): Free the hashtable.
5232         (compute_ld_motion_mems): Create the hashtable.
5233         (trim_ld_motion_mems): Remove entry from hashtable if
5234         removing it from list.
5235         (compute_store_table): Likewise^2.
5236         (store_motion): Free hashtable in case we did not see
5237         any stores.
5238
5239 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5240
5241         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5242         and arg1 if we are passing them to fold_build2.
5243
5244 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5245
5246         PR 23828
5247         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5248         a nested function.
5249
5250 2005-09-25  Richard Henderson  <rth@redhat.com>
5251
5252         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5253         SYMBOL_REF_TLS_MODEL to be correct.
5254
5255 2005-09-24  Richard Henderson  <rth@redhat.com>
5256
5257         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5258         end of function.  Reindent.
5259
5260 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5261
5262         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5263         NEGATE_EXPR/BIT_NOT_EXPR case.
5264
5265 2005-09-24  Richard Henderson  <rth@redhat.com>
5266
5267         * c-common.c (handle_mode_attribute): When not modifying in place,
5268         create subtypes for enumerations.
5269         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5270         * gimplify.c (create_tmp_from_val): Likewise.
5271
5272 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5273
5274         * config/i386/i386.md (*tls_global_dynamic_64,
5275         *tls_local_dynamic_base_64): Add missing mode to call.
5276         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5277
5278 2005-09-24  Jan Hubicka  <jh@suse.cz>
5279
5280         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5281         (cgraph_clone_node): Likewise.
5282         * cgraph.h (cgraph_clone_edge): Update prototype.
5283         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5284         duplicated prototypes; add updating argument.
5285         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5286         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5287         updating profile.
5288         (cgraph_mark_inline_edge): Likewise.
5289         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5290         (cgraph_flatten_node): Likewise.
5291         (cgraph_decide_recursive_inlining): Likewise.
5292         (cgraph_decide_inlining_of_small_function): Likewise.
5293         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5294
5295 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5296             Pete Steinmetz <steinmtz@us.ibm.com>
5297
5298         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5299         (rldic.): Set type to "compare".
5300         (rldicr.): Same.
5301         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5302         mfjmpr for MFCTR/MFLR.
5303         (movdf_hardfloat64): Same.
5304         (movdf_softfloat64): Same.  Correct order of store and move types.
5305         (movti_string): Set type to store_ux/load_ux.
5306         (load_multiple): Set type to load_ux.
5307         (store_multiple): Set type to store_ux.
5308         (movmemsi): Set type to store_ux.
5309         (output_cbranch direct_return): Set type to jmpreg.
5310         (stmw): Set type to store_ux.
5311         (lmw): Set type to load_ux.
5312         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5313         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5314         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5315         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5316         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5317         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5318         (rios1-fpstore): Increase latency to 3.
5319         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5320         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5321
5322 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5323             Andrew Pinski  <pinskia@physics.uc.edu>
5324
5325         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5326         operand2 constraint to "b".
5327         (sync_<fetchop_name>di_internal): Same.
5328         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5329         to "b".
5330         (sync_old_<fetchop_name>di_internal): Same.
5331         (sync_new_<fetchop_name>si_internal): Same.
5332         (sync_new_<fetchop_name>di_internal): Same.
5333
5334 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5335
5336         PR middle-end/23991
5337         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5338         case, define as macros.
5339
5340         PR rtl-optimization/23837
5341         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5342         clobber / clobber match between dest and p->first.
5343
5344         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5345         (no_conflict_move_test): Update comments.
5346
5347 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5348
5349         * doc/install.texi: Update URL for Jacks.
5350         * doc/sourcebuild.texi: Likewise.
5351
5352 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5353
5354         PR target/24007
5355         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5356         registers when choosing register preferences.
5357         (movdf_hardfloat64): Same.
5358
5359 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5360
5361         * expmed.c (expand_shift): Don't use the target of the rotate as
5362         target for the first expanded shift insn.
5363         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5364
5365 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5366
5367         PR tree-optimization/22438
5368         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5369         preserved iv rhs rewriting specially.
5370
5371 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5372
5373         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5374         estimate_only  is true.
5375         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5376         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5377         tree-ssa-structalias.c
5378         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5379         ref_contains_indirect_ref.
5380         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5381
5382 2005-09-21  DJ Delorie  <dj@redhat.com>
5383
5384         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5385         MASK_PTR_A0D0.
5386         (mn10300_return_in_memory): Support variable size types also.
5387         (mn10300_pass_by_reference): Likewise.
5388         (mn10300_function_value): New.
5389         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5390         (FUNCTION_OUTGOING_VALUE): Likewise.
5391         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5392         * doc/invoke.texi: Document it.
5393
5394 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5395
5396         PR target/22585
5397         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5398         force integer op1 into register for XFmode compares.
5399
5400 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5401
5402         PR middle-end/23971
5403         * expmed.c (alg_code): Add alg_impossible.
5404         (alg_hash_entry): Add cost.
5405         (synth_mult): Record alg_impossible in the hash table if
5406         multiplication by a given integer is impossble within the
5407         limit.  Speed up using alg_impossible.
5408
5409 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5410
5411         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5412         argument.  Allow and set any offset if needs_anyoffset is passed
5413         in.
5414         (get_constraint_for): Add argument here too.
5415         Pass it down.
5416         (do_structure_copy): Pass NULL to get_constraint_for.
5417         (handle_ptr_arith): Ditto.
5418         (find_func_aliases): Ditto.
5419
5420 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5421
5422         PR rtl-optimization/23898
5423         * output.h (get_attr_min_length): Declare.
5424         * final.c (get_attr_length_1): New function, broken out of:
5425         (get_attr_length).
5426         (get_attr_min_length): New function.
5427         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5428         (duplicate_computed_gotos): Likewise.
5429         * genattr.c (insn_min_length): Generate declaration.
5430         * genattrtab.c (min_fn, min_attr_value): New functions.
5431         (make_length_attrs): Generate insn_min_length.
5432
5433 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5434
5435         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5436
5437 2005-09-20  Richard Henderson  <rth@redhat.com>
5438
5439         PR tree-optimization/24059
5440         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5441         EXPAND_STACK_PARM.
5442
5443 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5444
5445         * c.opt (fextended-identifiers): New.
5446         * c-opts.c (c_common_handle_option): Handle
5447         -fextended-identifiers.
5448         * doc/cpp.texi: Update documentation of extended identifiers.
5449         * doc/cppopts.texi (-fextended-identifiers): Document.
5450
5451 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5452
5453         PR tree-optimization/23929
5454         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5455         if expr is NULL.
5456
5457         PR tree-optimization/23818
5458         * tree-stdarg.c (execute_optimize_stdarg): Call
5459         calculate_dominance_info.
5460
5461 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5462
5463         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5464         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5465         (compute_overlap_steps_for_affine_1_2): Use
5466         get_number_of_iters_for_loop.
5467         (analyze_subscript_affine_affine): Check whether difference is
5468         zero first.
5469         Use get_number_of_iters_for_loop.
5470         Check whether overlap occurs outside of bounds.
5471         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5472
5473 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5474
5475         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5476         base register if possible.
5477
5478 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5479
5480         PR tree-optimization/18463
5481         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5482         converting it directly is not possible.
5483         (chrec_convert_aggressive): New function.
5484         * tree-chrec.h (chrec_convert_aggressive): Declare.
5485         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5486         Fold chrec conversions aggressively if asked to.
5487         (instantiate_parameters): Modified because of changes in
5488         instantiate_parameters_1.
5489
5490 2005-09-19  Richard Henderson  <rth@redhat.com>
5491
5492         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5493         (reduc_splus_v2df): New.
5494
5495 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5496
5497         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5498         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5499
5500 2005-09-19  Richard Henderson  <rth@redhat.com>
5501
5502         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5503         vcondu<SSEMODE12>.
5504
5505 2005-09-19  Richard Henderson  <rth@redhat.com>
5506
5507         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5508         (ia64_expand_dot_prod_v8qi): New.
5509         * config/ia64/ia64-protos.h: Update.
5510         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5511         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5512         sdot_prodv8qi, sdot_prodv4hi): New.
5513         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5514
5515 2005-09-19  Richard Henderson  <rth@redhat.com>
5516
5517         PR 23941
5518         * real.c (exact_real_truncate): Return false if the format cannot
5519         represent the number as a normal.
5520
5521         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5522         for a memory source.
5523
5524 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5525
5526         * tree-ssa-operands.c (swap_tree_operands): Export.
5527         * tree.h (swap_tree_operands): Declare.
5528         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5529         Call swap_tree_operands.
5530
5531 2005-09-19  Richard Henderson  <rth@redhat.com>
5532
5533         * tree-flow.h (merge_alias_info): Declare.
5534         * tree-ssa-copy.c (merge_alias_info): Export.
5535         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5536         (vect_create_data_ref_ptr): Use create_iv directly.
5537         (vectorizable_load): Use correct types for integer constants.
5538         (vect_generate_tmps_on_preheader): Likewise.
5539         (vect_gen_niters_for_prolog_loop): Likewise.
5540
5541 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5542
5543         PR rtl-optimization/23943
5544         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5545
5546 2005-09-18  Jan Hubicka  <jh@suse.cz>
5547
5548         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5549
5550 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5551
5552         * varasm.c (output_constant): Do not abort on conversions to union
5553         types between different sizes.
5554
5555 2005-09-18  Richard Guenther  <rguenther@suse.de>
5556
5557         PR middle-end/23944
5558         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5559         fallback.
5560
5561 2005-09-18  Paul Brook  <paul@codesourcery.com>
5562
5563         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5564
5565 2005-09-17  Richard Henderson  <rth@redhat.com>
5566
5567         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5568         * tree-ssa-loop.c (pass_vect_dce): Remove.
5569         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5570         of pass_vectorize.
5571
5572 2005-09-17  Richard Henderson  <rth@redhat.com>
5573
5574         * tree-pass.h (pass_vect_dce): Declare.
5575         * passes.c (init_optimization_passes): Add it.
5576         * tree-flow.h (tree_ssa_dce): Declare.
5577         * tree-ssa-dce.c (tree_ssa_dce): Export.
5578         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5579         (gate_tree_vectorize): ... here.
5580         (pass_vect_dce): New.
5581
5582 2005-09-17  Jan Hubicka  <jh@suse.cz>
5583
5584         * except.c (struct eh_status): Turn region_array into vec.
5585         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5586         convert_from_eh_region_ranges, find_exception_handler_labels,
5587         current_function_has_exception_handlers, assign_filter_values,
5588         build_post_landing_pads, dw2_build_landing_pads,
5589         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5590         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5591         foreach_reachable_handler, can_throw_internal_1,
5592         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5593         region_array.
5594         (duplicate_eh_region_1): Update region_array.
5595         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5596
5597 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5598
5599         PR middle-end/22067
5600         * expmed.c (expand_mult): Substitute simple register for op0 when
5601         computing max_cost.
5602
5603 2005-09-17  Richard Henderson  <rth@redhat.com>
5604
5605         * expr.c (emit_move_via_integer): Add force argument, pass it on
5606         to emit_move_change_mode.  Update callers.
5607         (emit_move_complex): Pass true to new force argument.
5608         * function.c (expand_function_end): Move expand_eh_return call
5609         earlier.  Merge sub-word complex values into a pseudo before
5610         copying to the return hard register.
5611
5612 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5613
5614         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5615         between different sizes.
5616
5617 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5618
5619         PR 23903
5620
5621         * passes.c (init_optimization_passes): Register dump files for
5622         IPA passes first.
5623
5624 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5625
5626         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5627         * config/s390/s390.c (s390_overlap_p): New function.
5628         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5629         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5630         condition.
5631
5632 2005-09-16  Richard Guenther  <rguenther@suse.de>
5633
5634         * ipa-pure-const.c (static_execute): Free auxiliar information.
5635         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5636         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5637
5638 2005-09-15  DJ Delorie  <dj@redhat.com>
5639
5640         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5641
5642 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5643
5644         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5645         to order operands.
5646         (swap_commutative_operands_with_target): New.
5647
5648 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5649
5650         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5651         parameter.
5652         Update callers.
5653         (estimate_iters_using_array): New function.
5654         * tree-data-ref.h (estimate_iters_using_array): Prototype
5655         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5656         Use estimate_iters_using_array instead of analyze_array.
5657
5658 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5659
5660         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5661         as addressable.
5662
5663 2005-09-15  Michael Matz  <matz@suse.de>
5664
5665         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5666
5667 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5668
5669         PR tree-optimization/23835
5670         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5671         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5672
5673 2005-09-14  Richard Henderson  <rth@redhat.com>
5674
5675         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5676         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5677
5678 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5679
5680         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5681         in the ARRAY_TYPE case.
5682
5683 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5684
5685         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5686
5687 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5688
5689         PR middle-end/22480
5690         * tree-vect-transform.c (vectorizable_operation): Return false for
5691         scalar shift operations and for vector shift operations with
5692         non-invariant shift arguments.  Use scalar tree operand op1 as
5693         a shift operand when vector shift insn pattern uses scalar shift
5694         operand.
5695         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5696
5697 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5698
5699         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5700         value if it has side-effects.
5701
5702 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5703
5704         PR target/22068
5705         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5706
5707 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5708
5709         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5710         passed as NAME as if it were label at start of function code.
5711
5712 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5713
5714         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5715         the constraints.
5716
5717 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5718
5719         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5720         as early clobber.  Rewrite so the PIC register is not implicitly used.
5721
5722 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5723
5724         * tree.c (annotate_with_file_line): Compare line numbers before
5725         file names.
5726
5727 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5728
5729         PR target/23816
5730         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5731         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5732
5733 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5734
5735         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5736         than a HOST_WIDEST_INT to gen_doloop_begin.
5737
5738 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5739
5740         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5741
5742 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5743
5744         PR tree-optimize/23817
5745         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5746
5747 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5748
5749         PR target/23774
5750         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5751         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5752         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5753         (restore_stack_nonlocal): Likewise.
5754         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5755
5756 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5757
5758         PR g++/7874
5759         * c.opt (ffriend-injection): New C++ option.
5760         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5761         (C++ Dialect Options): Document -ffriend-injection.
5762
5763 2005-09-12  Josh Conner  <jconner@apple.com>
5764
5765         PR middle-end/23237
5766         * ipa-reference.c (static_execute): Don't mark variables in
5767         named sections TREE_READONLY.
5768
5769 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5770
5771         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5772         stack_tie.
5773
5774 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5775
5776         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5777         V_MUST_DEF instead of just the first_use_p.
5778         Don't mark the virtual variables for renaming on the statement which
5779         is being removed.
5780         (pass_dse): Remove TODO_update_ssa.
5781
5782 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5783
5784         PR middle-end/23290
5785         * stor-layout.c (compute_record_mode): For records with a single
5786         field, actually check the field's mode size against the type size.
5787
5788         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5789         registers for TARGET_SHMEDIA.
5790         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5791         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5792         of GENERAL_REGS and FP_REGS.
5793
5794 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5795
5796         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5797
5798 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5799
5800         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5801         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5802         are omitted.  Exclude stack_tie insn too.
5803
5804 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5805
5806         PR rtl-optimization/23098
5807         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5808         0.0f is easy.
5809         * config/rs6000/rs6000.md (movdf splitter): Use
5810         const_double_operand predicate for TARGET_POWERPC64.
5811         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5812         SYMBOL_REF method to ABI_V4.
5813
5814         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5815         replace_equiv_address.
5816         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5817         rs6000_sr_alias_set and MEM_NOTRAP.
5818         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5819
5820 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5821
5822         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5823         handle CALL_EXPR again.
5824
5825 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5826
5827         * arm/predicates.md (alignable_memory_operand): Delete.
5828
5829 2005-09-10  Richard Henderson  <rth@redhat.com>
5830
5831         PR debug/23806
5832         * dbxout.c (dbxout_expand_expr): New.
5833         (dbxout_symbol): Use it.
5834
5835 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5836
5837         * arm.c (arm_gen_rotated_half_load): Delete.
5838         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5839         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5840         (thumb_set_return_address): Likewise.
5841         (thumb_load_double_from_address): Use adjust_address.
5842         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5843         (extendhsisi2_mem, movhi_bytes): Use change_address.
5844         (movhi): Use widen_memory_access.
5845         (reload_out_df): Use replace_equiv_address.
5846         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5847
5848 2005-09-09  Richard Henderson  <rth@redhat.com>
5849
5850         PR debug/20998
5851         * dbxout.c: Include expr.h.
5852         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5853         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5854         * Makefile.in (dbxout.o): Add EXPR_H.
5855
5856 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5857
5858         PR tree-optimization/23509
5859         * tree-cfg.c (replace_uses_by): Use replace_exp.
5860         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5861         pointers have name_mem_tag or type_mem_tag set.
5862
5863 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5864
5865         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5866         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5867         of wrongly accessing operands.
5868
5869 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5870
5871         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5872         * tree-chrec.c: Include tree-scalar-evolution.h.
5873         (chrec_convert): Instantiate the base and step before calling
5874         scev_probably_wraps_p that would fail on parametric evolutions.
5875         Collect all the fails into a single section failed_to_convert,
5876         print a diagnostic, and return chrec_dont_know instead of calling
5877         fold_convert.
5878         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5879         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5880         phi nodes.
5881         (scev_const_prop): Don't replace the definition of a loop closed ssa
5882         phi node by itself, or by another loop closed ssa phi node.
5883         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5884         that base and step are defined.
5885
5886 2005-09-09  Richard Guenther  <rguenther@suse.de>
5887
5888         PR c++/23624
5889         * fold-const.c (fold_ternary): Check truth_value_p before
5890         calling invert_truthvalue.
5891
5892 2005-09-09  Nick Clifton  <nickc@redhat.com>
5893
5894         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5895         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5896         dimension of these arrays.
5897         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5898         these arrays.
5899         * longlong.h: Only provide a prototype for the __clz_tab[] array
5900         if this header has not been included from libgcc2.h.
5901         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5902         defining own types.
5903         Provide prototypes for exported functions.
5904         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5905         libgcc2.c.
5906
5907 2005-09-08  Josh Conner  <jconner@apple.com>
5908
5909         PR c++/21135
5910         PR c++/23180
5911         * expr.c (expand_expr_addr_expr_1): Don't invoke
5912         expand_simple_binop for EXPAND_INITIALIZER.
5913
5914 2005-09-08  Richard Henderson  <rth@redhat.com>
5915
5916         PR debug/23190
5917         * toplev.c (wrapup_global_declaration_1): Split out ...
5918         (wrapup_global_declaration_2): ... from ...
5919         (wrapup_global_declarations): ... here.  Return bool.
5920         (check_global_declaration_1): Split out ...
5921         (check_global_declarations): from here.
5922         (emit_debug_global_declarations): New.
5923         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5924         check_global_declaration_1, emit_debug_global_declarations): Declare.
5925         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5926         of decls.  Call wrapup_global_declaration_1,
5927         wrapup_global_declaration_2, check_global_declaration_1 directly.
5928         (c_write_global_declarations_2): New.
5929         (ext_block): New.
5930         (c_write_global_declarations): Call c_write_global_declarations_2.
5931         * langhooks.c (write_global_declarations): Call
5932         emit_debug_global_declarations.
5933
5934         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5935         remove decls that have DECL_RTL_SET_P.
5936         * passes.c (rest_of_decl_compilation): Invoke
5937         cgraph_varpool_finalize_decl for all but functions.
5938
5939 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5940
5941         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5942         the result of a conversion if the new min and max cannot be compared.
5943
5944 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5945
5946         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5947         (override_options): Setting s390_sr_alias_set removed.
5948         (save_fpr, save_gprs): Set alias set to vararg or frame.
5949         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5950         s390_sr_alias_set with get_frame_alias_set ().
5951         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5952         get_varargs_alias_set ().
5953
5954 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5955
5956         PR objc/20574
5957         PR objc/19324
5958         * c-parser.c (c_parser_objc_method_definition): If the next
5959         token is not "{", error out and don't start the function.
5960
5961 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5962
5963         * tree-vrp.c (extract_range_from_expr): Move the check for non
5964         nullness after the check for gimple invariant.
5965
5966 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5967
5968         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5969
5970 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5971
5972         PR target/23747
5973         * config/m32r.md (movmemsi_internal): Canonicalize order of
5974         operands in PLUS component of template.
5975
5976 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5977
5978         * reload1.c (fixup_eh_region_note): Remove assertion.
5979         (fixup_abnormal_edges): Reverted removal of call to
5980         find_many_sub_basic_blocks made on 2005-08-31.
5981
5982 2005-09-07  Richard Henderson  <rth@redhat.com>
5983
5984         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5985         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5986         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5987         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5988         rearrange for better packing.
5989         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5990         (lookup_cfa_1): Remove inline marker.
5991         (cfa_equal_p): Split out of ...
5992         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5993         (build_cfa_loc): Handle !cfa->indirect.
5994         (frame_pointer_cfa_offset): New.
5995         (dbx_reg_number): Assert register elimination performed; do
5996         leaf register remapping.
5997         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5998         (eliminate_reg_to_offset): New.
5999         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6000         for verifiably local stack frame addresses; re-base to CFA.
6001         (mem_loc_descriptor): Remove can_use_fbreg argument.
6002         (concat_loc_descriptor, loc_descriptor): Likewise.
6003         (containing_function_has_frame_base): Remove.
6004         (rtl_for_decl_location): Don't do register elimination or
6005         leaf register remapping here.
6006         (secname_for_decl): Split out from ..
6007         (add_location_or_const_value_attribute): ... here.
6008         (convert_cfa_to_loc_list): New.
6009         (compute_frame_pointer_to_cfa_displacement): New.
6010         (gen_subprogram_die): Use them.
6011         * tree.h (frame_base_decl): Remove.
6012         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6013         (prologue_stack_adjust): Remove.
6014         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6015         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6016         (set_frame_base_location): Remove.
6017         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6018         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6019         (vt_add_function_parameters): Don't eliminate_regs.
6020         (vt_initialize): Don't create frame_base_decl.
6021
6022 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6023
6024         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6025         version of GNU binutils for 4.x and later.
6026
6027 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6028
6029         * ggc-page.c (ggc_push_context): Remove.
6030         (ggc_pop_context): Likewise.
6031         * ggc.h (ggc_push_context): Remove.
6032         (ggc_pop_context): Likewise.
6033
6034 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6035
6036         PR target/8973
6037         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6038         returning from an interrupt handler.
6039
6040 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6041
6042         PR target/8972
6043         * config/arc/arc.c (output_shift): Add check for loop count when
6044         optimizing.
6045
6046 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6047
6048         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6049         form manually.
6050         (abs_replacement): Likewise.
6051         (pass_phiopt): Remove TODO_update_ssa.
6052
6053 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6054
6055         PR c/23075
6056         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6057         if "return with no value, in function returning non-void" warning
6058         has been issued.
6059         * tree-cfg.c (execute_warn_function_return): Don't look at
6060         RETURN_EXPRs with TREE_NO_WARNING set.
6061
6062         PR target/22362
6063         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6064         for internal functions doesn't use registers used by global registers
6065         variables.  Use fewer register parameters if there are global register
6066         variables.
6067
6068 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6069             Eric Botcazou  <ebotcazou@adacore.com>
6070
6071         PR middle-end/14997
6072         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6073         when we would be extracting outside its bit span (bitpos+bitsize
6074         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6075         Ada unchecked conversions.
6076
6077 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6078
6079         * tree-ssa-pre.c (try_look_through_load): New function.
6080         (compute_avail): Use it to try to look through loads for some
6081         more useful expressions.
6082
6083 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6084
6085         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6086         condition for detecting cases like (a&a) and (a^a).
6087
6088 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6089
6090         * common.opt: Add option ftree-vect-loop-version.
6091         * params.def: Add --param vect-max-version-checks.
6092         * doc/invoke.texi: Document ftree-vect-loop-version and
6093         --param vect-max-version-checks.
6094         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6095         may_misalign_stmts and defines for accessors.
6096         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6097         LOOP_VINFO_MAY_MISALIGN_STMTS.
6098         (destroy_loop_vec_info): VEC_free for
6099         LOOP_VINFO_MAY_MISALIGN_STMTS.
6100         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6101         Update documentation.
6102         (vect_update_misalignment_for_peel): New.
6103         (vect_enhance_data_refs_alignment): Update to choose loop
6104         peeling or loop versioning if appropriate for the (potentially)
6105         unaligned data references in the loop.
6106         (vect_analyze_data_refs_alignment): Remove call to
6107         vect_enhance_data_refs_alignment so the checks can be done
6108         earlier.
6109         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6110         and move up call to vect_analyze_data_refs_alignment.
6111         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6112         (vect_transform_loop): Add call to loop_version.
6113
6114 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6115
6116         PR rtl-optimization/23098
6117         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6118         * simplify-rtx.c (constant_pool_reference_p): New function.
6119         * rtl.h (constant_pool_reference_p): New prototype.
6120         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6121         constant_pool_reference_p in condition and
6122         avoid_constant_pool_reference in preparation statements.
6123
6124 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6125
6126         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6127         STRICT_LOW_PART SETs.
6128
6129 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6130
6131         PR middle-end/21460
6132         * except.c (sjlj_emit_function_enter): Find the function begin
6133         note even when it's not in first basic block.
6134
6135 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6136
6137         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6138         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6139         * aclocal.m4: Regenerate.
6140
6141 2005-09-05  DJ Delorie  <dj@redhat.com>
6142
6143         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6144         of macro.
6145
6146 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6147
6148         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6149         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6150         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6151         Follow spelling conventions.
6152         * doc/invoke.texi: Follow spelling conventions.
6153
6154 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6155
6156         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6157         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6158         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6159
6160 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6161
6162         PR target/23683
6163         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6164         (output_stack_adjust): Use gen_tmp_stack_mem.
6165         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6166         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6167         (sh_get_pr_initial_val): Likewise.
6168         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6169         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6170         * sh.md (divsi_inv_m0): Use gen_const_mem.
6171         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6172         (movdf_i4+1): Use gen_tmp_stack_mem.
6173         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6174         (fpu_switch+2): Likewise.
6175         (movv4sf_i, movv16sf_i): Use adjust_address.
6176         (symGOT_load): Set MEM_NOTRAP_P bit.
6177
6178 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6179
6180         PR target/23721
6181         * pa.c (emit_move_sequence): Fix typo in last change.
6182
6183 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6184
6185         PR rtl-optimization/23454
6186         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6187         is true.
6188
6189 2005-09-03  Richard Henderson  <rth@redhat.com>
6190             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6191
6192         PR middle-end/23671
6193         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6194         gen_rtx_MEM.
6195
6196 2005-09-02  Nicolas Pitre <nico@cam.org>
6197
6198         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6199         to bit_count to 32 bits.
6200
6201 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6202
6203         PR c++/23167
6204         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6205         generating synthetic loads from volatile lvalues.
6206
6207 005-09-02  Nick Clifton  <nickc@redhat.com>
6208
6209         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6210         __ctzhi2, __clzhi2): New functions.
6211
6212 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6213
6214         PR middle-end/23547
6215         * tree-nested.c (struct var_map_elt): Mark with GTY.
6216         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6217         var_map_elt.
6218         (lookup_field_for_decl): Allocate new element in GC memory.
6219         (lookup_tramp_for_decl): Likewise.
6220         (convert_nl_goto_reference): Likewise
6221         (create_nesting_tree): Allocate info in GC memory. Likewise for
6222         info->var_map.
6223         (free_nesting_tree): Free with ggc_free instead of free.
6224         (root): New static variable.
6225         (lower_nested_functions): Remove root as local variable.  And zero out
6226         root at the end of the function.
6227
6228 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6229
6230         PR rtl-optimization/20365
6231         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6232         to short.  New member ix.
6233         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6234         (simplify_plus_minus): Initialize ix members before calling qsort.
6235
6236 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6237
6238         PR tree-optimization/23626
6239         * tree-cfg.c (replace_uses_by): Clean up eh info.
6240
6241 2005-09-01  DJ Delorie  <dj@redhat.com>
6242
6243         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6244         fprintf.
6245
6246 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6247
6248         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6249         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6250         gen_rtx_MEM.
6251
6252 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6253
6254         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6255         do not issue warning for a variable definition following
6256         a declaration.
6257
6258 2005-09-01  Richard Henderson  <rth@redhat.com>
6259
6260         PR 23668
6261         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6262         conversion to CONST_VECTOR.
6263
6264 2005-09-01  Richard Henderson  <rth@redhat.com>
6265
6266         PR 23676
6267         * reload1.c (reload_as_needed): Check !CALL_P before calling
6268         fixup_eh_region_note.
6269         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6270
6271 2005-09-01  DJ Delorie  <dj@redhat.com>
6272
6273         * varasm.c (output_constant): Let the target resolve
6274         conversions of addresses to non-default pointer sizes.
6275
6276 2005-09-01  Nicolas Pitre <nico@cam.org>
6277
6278         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6279         to alow matching ARM pre-indexed addressing mode.
6280         (arm_override_options): Remove now irrelevant comment.
6281
6282 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6283
6284         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6285         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6286         * config/i386/vxworks.h:  Likewise.
6287         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6288         * config/i386/vxworksae.h:  Likewise.
6289
6290 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6291
6292         PR tree-optimization/23410
6293         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6294         sequence is not wrapping during the first step.
6295
6296 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6297
6298         PR debug/7241
6299         * dwarf2out.c (base_type_die): Compare char_type_node with
6300         TYPE_MAIN_VARIANT (type), not type.
6301
6302 2005-09-01  Richard Guenther  <rguenther@suse.de>
6303
6304         PR tree-optimization/15366
6305         * common.opt: Add -finline-functions-called-once.
6306         Put -fearly-inlining in alphabetically ordered place.
6307         * doc/invoke.texi: Document new option.
6308         * ipa-inline.c (cgraph_decide_inlining): Honour
6309         flag_inline_functions_called_once.
6310
6311 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6312
6313         PR rtl-optimization/23478
6314         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6315         (alloc_qty): Initialize it.
6316         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6317         (combine_regs): Combine also n_throwing_calls_crossed fields.
6318         (find_free_reg): Don't attempt to caller-save pseudos crossing
6319         calls that might throw.
6320         * global.c (struct allocno): Add throwing_calls_crossed field.
6321         (global_alloc): Revert 2005-08-22 change.  Initialize
6322         throwing_calls_crossed.
6323         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6324         might throw.
6325
6326 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6327
6328         PR target/23649
6329         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6330         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6331         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6332         (and64_2_operand): Tweak to use predicate.
6333         (and_operand): Adjust for mask_operand changes.
6334         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6335         (print_operand): Likewise.
6336         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6337         (mask64_1or2_operand): Delete.
6338         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6339         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6340         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6341         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6342         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6343         (rotldi3_internal4): Likewise.
6344         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6345         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6346         (ashldi3_internal7): Likewise.
6347         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6348         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6349         (anddi3 split): Don't match mask64_operand.
6350         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6351         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6352         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6353         't' splitter predicate.
6354         (movdi_internal64 + 2): Revert 2005-06-11 change.
6355
6356 2005-08-31  DJ Delorie  <dj@redhat.com>
6357
6358         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6359         (m32c_asm_integer): Add support for 32 bit pointers.
6360
6361 2005-08-31  Richard Henderson  <rth@redhat.com>
6362
6363         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6364         component-like references for setting MEM_NOTRAP_P.
6365
6366         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6367         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6368
6369 2005-08-31  Richard Henderson  <rth@redhat.com>
6370
6371         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6372         into a pseudo before applying gen_lowpart.
6373
6374 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6375
6376         * doc/install.texi (Specific): Update cctools version required
6377         for full functionality.
6378         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6379         linkers as -macosx_version_min.
6380
6381 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6382
6383         PR target/21255
6384         * sh.c (print_operand, %R and %S): Add handling of floating point
6385         registers, memory, constants and invalid operands.
6386
6387 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6388
6389         * ipa-pure-const.c: Change dump name.
6390
6391 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6392
6393         PR target/23570
6394         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6395         to "reg_or_0_operand".
6396         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6397
6398 2005-08-31  Dale Johannesen  <dalej@apple.com>
6399
6400         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6401         loops that count down.
6402
6403 2005-08-31  Richard Henderson  <rth@redhat.com>
6404
6405         PR rtl-opt/23601
6406         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6407         (fixup_eh_region_note): New.
6408         (reload_as_needed): Call it.
6409         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6410         don't call find_many_sub_basic_blocks; call verify_flow_info.
6411         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6412         (keep_stack_depressed): Likewise.
6413         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6414
6415 2005-08-31  Richard Henderson  <rth@redhat.com>
6416
6417         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6418         fp return matching.
6419
6420 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6421
6422         * expr.c (expand_expr_real_1): Compare size of address
6423         mode to target's address mode size in deciding expansion of
6424         the constant address.
6425
6426 2005-08-31  Richard Guenther  <rguenther@suse.de>
6427
6428         PR middle-end/23477
6429         * expr.c (all_zeros_p): New function.
6430         (expand_expr_real_1): Handle the case of an all-zero
6431         non-addressable constructor separately.
6432
6433 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6434
6435         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6436         arguments, adjust all callers.
6437         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6438
6439 2005-08-30  Richard Henderson  <rth@redhat.com>
6440
6441         PR target/23630
6442         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6443         whenever the mode sizes match.
6444
6445 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6446
6447         * calls.c (load_register_parameters): Fix comment typo.
6448         * expr.c (emit_push_insn): Comment formatting.
6449
6450 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6451
6452         * config/i386/x-cygwin (host-cygwin): Change dependency from
6453         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6454
6455 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6456
6457         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6458         parts of 'vals'.
6459
6460 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6461
6462         PR middle-end/23408
6463         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6464         call to ggc_collect.
6465
6466 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6467
6468         PR bootstrap/21268
6469         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6470         beginning.  Remove $(INCLUDES) from all the rules, if following
6471         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6472
6473 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6474
6475         PR middle-end/23484
6476         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6477         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6478         not constant, but maxlen is, don't set len to maxlen, rather
6479         set maxlen to len if len is a constant.
6480
6481 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6482
6483         PR tree-optimization/23475
6484         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6485         and counts.
6486
6487 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6488
6489         Fix PR middle-end/22455
6490
6491         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6492         Checksum only the parts of the tree that exist for the tree code.
6493
6494 2005-08-28  Dale Johannesen  <dalej@apple.com>
6495
6496         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6497
6498 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6499
6500         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6501
6502 2005-08-28  Richard Henderson  <rth@redhat.com>
6503
6504         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6505         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6506         of char_type_node.
6507
6508 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6509
6510         PR ada/23593
6511         * builtins.c (get_memory_rtx): Don't strip nops
6512         in between COMPONENT_REFs.
6513
6514 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6515
6516         PR middle-end/23463
6517         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6518         types.
6519         (gimplify_modify_expr): Check for zero sized types and gimplify the
6520         rhs and lhs as statements.
6521
6522 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6523
6524         PR libgcj/23508
6525         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6526         state for return address column of signal frames.
6527
6528 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6529
6530         PR target/23539
6531         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6532         bytes >= 2 not bytes == 2.
6533         (expand_block_move): Same.
6534
6535 2005-08-27  Richard Guenther  <rguenther@suse.de>
6536
6537         PR target/23575
6538         * config/i386/sse.md (sse2_movsd): Add missing closing
6539         braces.
6540
6541 2005-08-27  Paul Brook  <paul@codesourcery.com>
6542
6543         * genrecog.c (enum decision_type): Add DT_num_insns.
6544         (struct decision_test): Add u.num_insns.
6545         (add_to_sequence): Add DT_num_insns test.
6546         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6547         (write_cond, debug_decision_2): Ditto.
6548         (change_state): Assume peep2_next_insn never fails.
6549         Remove "afterward" argument.
6550         (write afterward, write_tree): Update to match.
6551         * recog.c (peep2_current_count): New variable.
6552         (peep2_next_insn): Check it.
6553         (peephole2_optimize): Set peep2_current_count.
6554         * recog.h (peep2_current_count): Declare.
6555
6556 2005-08-26  Josh Conner  <jconner@apple.com>
6557
6558         PR middle-end/23584
6559         * ipa-pure-const.c (check_tree): Check for volatile-ness
6560         when considering a dereference.
6561
6562 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6563
6564         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6565
6566 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6567
6568         PR rtl-optimization/23561
6569         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6570         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6571         at most LEN bytes long memory fits into the field.
6572         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6573         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6574         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6575
6576 2005-08-26  Richard Henderson  <rth@redhat.com>
6577
6578         PR rtl-opt/23560
6579         * loop.c (biased_biv_may_wrap_p): New.
6580         (maybe_eliminate_biv_1): Use it to suppress non-equality
6581         comparison transformations.  Delete disabled code.
6582
6583 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6584
6585         * combine.c (make_extraction): Avoid reference outside object.
6586
6587 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6588
6589         * stor-layout.c (finalize_type_size): Restore behaviour for
6590         non-aggregate types to the status quo ante of the patch for
6591         pr 23467.  Document why it matters.
6592
6593 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6594
6595         PR c/23506
6596         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6597         array by one element, initialize the BT_LAST element with NULL.
6598
6599 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6600
6601         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6602         optimizing for size.
6603         (plus_eqsi): Same.
6604         (compare_plus_eqsi): Same.
6605         (plus_eqsi_compare): Same.
6606         (neg_eq0<mode>): Same.
6607         (neg_eq<mode>): Same.
6608
6609         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6610         PROCESSOR_POWER4.
6611
6612 2005-08-26  Nick Clifton  <nickc@redhat.com>
6613
6614         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6615         TARGET_EP is not defined.
6616         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6617         TARGET_EP is enabled.
6618         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6619         * config/v850/v850.md (save_all_interrupt): Only use the EP
6620         register if TARGET_EP is defined.
6621         (restore_all_interrupt): Likewise.
6622         * config/v850/lib1funcs.asm: Update functions so that the EP
6623         register is only used if __EP__ is defined.
6624
6625 2005-08-26  David Ung  <davidu@mips.com>
6626
6627         * config/mips/mips.c (mips_expand_prologue): Handle case when
6628         generating for MIPS16 and the outgoing argument area is more than
6629         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6630         add instruction.
6631
6632 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6633
6634         * config/crx/crx.md: Make doloop_end pattern usage controllable
6635         via mloop-nesting=<max-nesting> command line switch. Make sure
6636         the combiner cannot use doloop_end_<mode> in an illegal way.
6637         * config/crx/crx.c: Use regs up to r6 for argument passing.
6638         Refine crx_address_cost (non cst4 displacements are expensive).
6639         * config/crx/crx.opt: Add switch for mloop-nesting=.
6640
6641 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6642
6643         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6644         (UNSPEC_MVST): New constant.
6645
6646 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6647
6648         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6649         Reject operands containing eliminable registers.
6650         * testsuite/gcc.dg/20050825-1.c: New testcase.
6651
6652 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6653             Jan Hubicka  <jh@suse.cz>
6654
6655         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6656
6657 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6658
6659         PR tree-optimization/23546
6660         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6661         and REAL_CST nodes.
6662
6663 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6664
6665         * params.def (PARAM_MIN_SPEC_PROB): New.
6666         * sched-rgn.c (MIN_PROBABILITY): Delete.
6667         (compute_trg_info): Convert to PARAM_VALUE.
6668         * doc/invoke.texi (param): Document min-spec-prob.
6669
6670 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6671
6672         * config/darwin.h: define __PIC__
6673         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6674         TARGET_OS_CPP_BUILTINS macro.
6675
6676 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6677
6678         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6679         yesterday.
6680
6681 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6682
6683         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6684         to duplicate_block.
6685         * cfghooks.c (duplicate_block): Added position where to place
6686         new block as argument.
6687         * cfghooks.h (duplicate_block): Declaration changed.
6688         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6689         duplicate_block.
6690         * cfglayout.h (copy_bbs): Declaration changed.
6691         * cfgloop.h (loop_version): Declaration changed.
6692         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6693         position to copy_bbs.
6694         (loop_version): Pass position to duplicate_loop_to_header_edge.
6695         Add place_after argument and position new blocks according to
6696         it.
6697         * modulo-sched.c (sms_schedule): Pass place_after argument
6698         to loop_version.
6699         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6700         * tree-cfg.c (split_edge_bb_loc): New function.
6701         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6702         to determine position of new blocks.
6703         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6704         to loop_version.
6705         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6706         argument to duplicate_block.
6707         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6708         Pass position to copy_bbs.
6709
6710 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6711
6712         * fold-const.c (ptr_difference_const): Use
6713         cst_and_fits_in_hwi instead of host_integerp.
6714
6715 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6716
6717         * config/darwin.c (gen_pic_offset): New.
6718         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6719         Use it.
6720
6721 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6722
6723         PR tree-optimization/23486
6724         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6725
6726 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6727
6728         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6729         remove use_collect2.
6730         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6731
6732         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6733         configuration files to override the default value.
6734
6735         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6736         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6737         * config/vx-common.h:  New file, split out from...
6738         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6739         * config/vxworksae.h:  New file, for VxWorks AE.
6740         * config/vxworks.opt:  New file.
6741         * config/vxlib.c:  Update for VxWorks 6.
6742
6743         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6744         other MULTILIB_* variables appropriately.
6745         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6746         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6747         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6748         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6749
6750 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6751
6752         PR target/20799
6753         * config/darwin.c (machopic_select_section): Remove the hack to
6754         mark "::operator new" and "::operator delete" for coalescing
6755         even though they are not weak.
6756
6757 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6758
6759         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6760         * configure: Regenerate.
6761
6762 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6763
6764         PR middle-end/23517
6765         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6766         between vectors.
6767         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6768         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6769         Likewise.
6770
6771 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6772
6773         * config/rs6000/predicates.md (equality_operator): New.
6774         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6775         comparison with a large constant.
6776
6777 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6778
6779         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6780
6781 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6782
6783         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6784         registers is even, and we have a hardware double precision fp,
6785         align the buffer.
6786         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6787         size of current argument when checking if argument was passed in
6788         registers.
6789
6790         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6791
6792         PR middle-end/23467
6793         * stor-layout.c (finalize_type_size): Dont override
6794         existing alignment with a smaller alignment from the mode.
6795
6796 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6797
6798         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6799         * lambda.h (lambda_vector_lexico_pos): ... here.
6800         * tree-data-ref.c (build_classic_dist_vector): Return false when
6801         the distance vector is lexicographically negative.
6802
6803 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6804
6805         PR tree-optimization/23511
6806         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6807         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6808
6809 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6810
6811         PR tree-optimization/22043
6812         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6813         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6814         If ALLOW_FLEXARR, handle types ending with flexible array member.
6815         Pass false as second argument to recursive count_type_elements calls.
6816         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6817         argument to count_type_elements call.
6818         * tree-sra.c (decide_block_copy): Likewise.
6819         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6820         for a constant-sized object, set cleared as well.  Pass true as
6821         second argument to count_type_elements call.
6822
6823 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6824
6825         PR target/21571
6826         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6827         from legitimate_small_data_p, and make global.  Update use.
6828         Remove forward declaration.
6829         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6830         Declare.
6831         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6832
6833 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6834
6835         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6836         of scratch intermediates.
6837         (eq<mode>_compare): Same.
6838         (neg_eq0<mode>): New.
6839         (neg_eq<mode>): Convert to define_insn_and_split.
6840
6841 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6842
6843         PR target/23070
6844         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6845         stdarg functions, set/clear the fp marker even when no variable
6846         args are passed.
6847         * config/rs6000/sysv4.opt (mprototype): Describe.
6848
6849 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6850
6851         PR rtl-optimization/23478
6852         * regs.h (reg_info): Add throw_calls_crossed.
6853         (REG_N_THROWING_CALLS_CROSSED): Define.
6854         * flow.c (allocate_reg_life_data): Initialize
6855         REG_N_THROWING_CALLS_CROSSED.
6856         (propagate_one_insn, attempt_auto_inc): Update
6857         REG_N_THROWING_CALLS_CROSSED.
6858         * global.c (global_alloc): Don't allocate pseudos across
6859         calls that may throw.
6860
6861 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6862
6863         PR c/18715
6864         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6865         value is inbetween the range if we did not find an exact match.
6866
6867 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6868
6869         * doc/invoke.texi (Option Summary): Add ms1 options.
6870         * doc/extend.texi: Document interrupt handler attribute for ms1.
6871         * doc/md.texi: Document ms1 constraints.
6872         * config.gcc: Add ms1-*-elf.
6873         * config/ms1/ms1.h: New.
6874         * config/ms1/ms1.c: New.
6875         * config/ms1/ms1.md: New.
6876         * config/ms1/ms1-protos.h: New.
6877         * config/ms1/ABI.txt: New.
6878         * config/ms1/crti.asm: New.
6879         * config/ms1/crtn.asm: New.
6880         * config/ms1/lib2extra-funcs.c: New.
6881         * config/ms1/t-ms1: New.
6882         * config/ms1/ms1.opt: New.
6883
6884 2005-08-22 Ira Rosen <irar@il.ibm.com>
6885
6886         * config/rs6000/altivec.md (xorv4sf3): New.
6887         (negv4sf2, neg<mode>2): Likewise.
6888
6889 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6890
6891         PR target/23485
6892         * config/ia64/ia64.md (divsi3): Check divide by zero.
6893         (udivsi3): Likewise.
6894         (divdi3): Likewise.
6895         (udivdi3): Likewise.
6896
6897 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6898
6899         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6900         up to elem_bitsize bits, not max_bitsize.
6901
6902 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6903
6904         PR tree-optimization/23433
6905         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6906         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6907
6908 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6909
6910         PR tree-optimization/23434
6911         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6912         the iteration bound is not an INTEGER_CST.
6913
6914 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6915
6916         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6917         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6918         NULL if need_epilog_adjust is false.
6919         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6920         Case 3 always peels first itration, not just for PLUS case, and no need
6921         to use scalar_initial_def here. Create an epilog adjustment only if
6922         scalar_initial_def is not NULL.
6923
6924         (vectorizable_reduction): Remove assert.
6925
6926 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6927
6928         PR target/23485
6929         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6930         (__moddi3): Likewise.
6931         (__udivdi3): Likewise.
6932         (__umoddi3): Likewise.
6933         (__divsi3): Likewise.
6934         (__modsi3): Likewise.
6935         (__udivsi3): Likewise.
6936         (__umodsi3): Likewise.
6937
6938 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6939
6940         * tree-pass.h (TDF_GRAPH): Define.
6941         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6942         * passes.c (finish_optimization_passes): Only call
6943         finish_graph_dump_file if TDF_GRAPH is set.
6944         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6945         NULL.  Set TDF_GRAPH bit.
6946         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6947
6948 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6949
6950         * arm.h (arm_stack_offsets): Add locals_base field.
6951         * arm.c (arm_get_frame_offsets): Compute it.
6952         (thumb_compute_initial_elimination offset): Make the Thumb frame
6953         pointer point to the base of the local variables.
6954         (thumb_expand_prologue): Update accordingly.
6955         (thumb_expand_epilogue): Likewise.
6956
6957         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6958         mode of clobbered scratch to DImode.  Handle a case that's known to
6959         need this.
6960
6961 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6962
6963         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6964         (gt0<mode>_compare): Delete.
6965         (neg_gt0<mode>): Delete.
6966
6967 2005-08-19  Eric Christopher  <echristo@apple.com>
6968
6969         * optabs.h: Change CTI_ to COI_.
6970         * optabs.c: Ditto.
6971
6972 2005-08-19  James E Wilson  <wilson@specifix.com>
6973
6974         * builtins.c (expand_builtin_return_addr): Set
6975         current_function_accesses_prior_frames when count != 0.  Use
6976         frame_pointer_rtx when count == 0.
6977         * function.h (struct function): Add accesses_prior_frames field.
6978         (current_function_accesses_prior_frames): Define.
6979         * reload1.c (init_elim_table): Check
6980         current_function_accesses_prior_frames.
6981         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6982
6983 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6984
6985         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6986         indicator.  Return true if the flowgraph changed during
6987         cleanup.
6988
6989 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6990
6991         PR 23476
6992         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6993         conditional expression before testing its value.
6994
6995 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6996
6997         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6998
6999 2005-08-19  Devang Patel  <dpatel@apple.com>
7000
7001         PR tree-optimization/23048
7002         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7003         third parameter. Check whether latch is dominated by exit
7004         block or not.
7005         (if_convertible_loop_p): Supply exit block itself to
7006         if_convertible_bb_p.
7007
7008 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7009
7010         PR target/23473
7011         * arm.md (arm_load_pic_register): Change argument to the mask of
7012         saved registers.  Call thumb_find_work_register if we need a
7013         scratch register on Thumb.
7014         (arm_expand_prologue): Pass empty register set to
7015         arm_load_pic_register.
7016         (thumb_expand_prologue): Pass live_regs_mask directly to
7017         arm_load_pic_register.
7018         * arm-protos.h (arm_load_pic_register): Update prototype.
7019
7020 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7021
7022         * sh.c (find_sole_member): New function.
7023         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7024         if the record's alignment is larger than the size of its only member.
7025
7026 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7027
7028         PR target/23436
7029         * arm.c (thumb_legitimize_reload_address): New function.
7030         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7031         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7032
7033 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7034
7035         * config/crx/crx.c: Implement crx_decompose_address. Reject
7036         symbolic displacements since CRX register relative adressing
7037         mode can't handle unsigned 32-bit values as displacements.
7038         * config/crx/crx.h: Simplify definitions, remove redundant
7039         parenthesis and obsolete macros.
7040         * config/crx/crx.opt: Add new switch for debugging addresses.
7041         * config/crx/crx-protos.h: Add new declarations for above.
7042
7043 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7044
7045         PR middle-end/20624
7046         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7047         looking past it.
7048
7049 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7050
7051         * collect2.c (dup2): Delete.
7052         * configure.ac: Don't check for dup2.
7053
7054         * config.in, configure: Regenerate.
7055
7056 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7057
7058         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7059         record with the type of its only member.
7060
7061 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7062
7063         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7064         define_insn_and_split.
7065         (plus_ltu<mode>_compare): Same.
7066         (gtu<mode>_compare): Same.
7067         (plus_gtu<mode>_compare): Same.
7068
7069 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7070
7071         PR tree-optimization/22228
7072         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7073         todo_flags_start.
7074         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7075         are recorded in vect_vnames_to_rename for renaming.
7076         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7077         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7078         in vect_vnames_to_rename.
7079         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7080         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7081
7082 2005-08-18  Jan Hubicka  <jh@suse.cz>
7083
7084         PR c++/22034
7085         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7086         info only for local statics, not for member variables.
7087
7088 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7089
7090         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7091
7092 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7093
7094         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7095
7096 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7097
7098         PR middle-end/16045
7099         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7100
7101 2005-08-17  James E Wilson  <wilson@specifix.com>
7102
7103         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7104         array size check.
7105
7106 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7107
7108         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7109         (leu<mode>_compare): Same.
7110         (plus_leu<mode>): Same.
7111         (neg_leu<mode>): Same.
7112         (and_neg_leu<mode): Same.
7113         (ltu<mode>_compare): Same.
7114         (plus_ltu<mode>): Same.
7115         (geu<mode>): Same.
7116         (geu<mode>_compare): Same.
7117         (plus_geu<mode>): Same.
7118         (neg_geu<mode>): Same.
7119         (and_neg_geu<mode>): Same.
7120         (plus_gt<mode>): Same.
7121         (gtu<mode>_compare): Same.
7122         (plus_gtu<mode>): Same.
7123
7124 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7125
7126         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7127         Move call_table_data to end.  Delete spurious .text.
7128         (callt_save_all_interrupt): Fix comment typo.
7129
7130 2005-08-17  James E Wilson  <wilson@specifix.com>
7131             Kevin Winchester  <winchester@amirix.com>
7132
7133         PR target/21684
7134         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7135
7136 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7137
7138         PR target/23268
7139         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7140         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7141
7142 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7143
7144         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7145         record with the type of its only member if the modes don't match.
7146
7147         * varasm.c (decode_reg_name): Skip empty additional register names.
7148
7149 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7150
7151         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7152         lsm_tmp_name_length): New.
7153         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7154         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7155
7156 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7157             Andreas Krebbel  <krebbel1@de.ibm.com>
7158
7159         * config.gcc: Added z9-109 switch.
7160         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7161         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7162         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7163         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7164         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7165         for "z9_109" cpu attribute.
7166         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7167         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7168         (s390_handle_arch_option): Added z9-109 switch.
7169         (override_options): Set respective cost function for z9-109.
7170         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7171         (legitimate_reload_constant_p): Accept extended immediates.
7172         (print_operand): Three new output modifiers added: k, m and o.
7173         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7174         (s390_output_mi_thunk): Use extended immediate when possible.
7175         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7176         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7177         (CONSTRAINT_LEN): Added length of O constraint.
7178         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7179         * config/s390/s390.md ("cpu"): New value z9_109 added.
7180         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7181         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7182         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7183         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7184         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7185         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7186         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7187         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7188         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7189         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7190         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7191         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7192         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7193         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7194         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7195         immediates.
7196         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7197         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7198         insns for TARGET_EXTIMM.
7199
7200 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7201
7202         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7203
7204 2005-08-17  Nick Clifton  <nickc@redhat.com>
7205
7206         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7207         Call default_encode_section_info.
7208
7209 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7210
7211         PR tree-optimization/21574
7212         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7213         constant, return CONSTANT.
7214         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7215         (ccp_fold, visit_assignment): Likewise.
7216         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7217
7218 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7219
7220         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7221         fold_buildN instead of buildN then fold_initializer or fold.
7222         (build_unary_op): Likewise.
7223         (build_binary_op): Likewise.
7224         * fold-const.c (fold_initializer): Remove.
7225         (fold_build1_initializer): New function.
7226         (fold_build2_initializer): New function.
7227         (fold_build3_initializer): New function.
7228         * tree.h (fold_initializer): Remove.
7229         (fold_build1_initializer): New function.
7230         (fold_build2_initializer): New function.
7231         (fold_build3_initializer): New function.
7232
7233 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7234
7235         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7236         (try_move_mult_to_index): Call fold_build2 instead of build2.
7237         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7238         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7239         fold_binary_to_constant.
7240         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7241         fold (build.
7242         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7243         check if A == gcd (A, B).  Remove TYPE argument.
7244         (analyze_offset) Use fold_build2 instead of fold (build.
7245         (create_data_ref): Likewise.
7246         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7247         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7248         then fold.
7249
7250 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7251
7252         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7253         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7254
7255 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7256
7257         PR tree-opt/23402
7258         * gimplify.c (zero_sized_type): New function.
7259         (gimplify_modify_expr_rhs): If we have a zero sized type,
7260         replace the statement with an empty statement.
7261
7262 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7263
7264         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7265         fxsave.
7266
7267 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7268
7269         * doc/tm.texi (Label Output): Correct typo.
7270
7271 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7272
7273         PR target/23376
7274         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7275         force_operand will work later on using have_insn_for.
7276
7277 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7278
7279         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7280
7281 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7282
7283         PR c++/23337
7284         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7285         vector type, don't try to construct it element by element.  Add an
7286         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7287
7288 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7289
7290         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7291
7292 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7293
7294         * doc/invoke.texi (Precompiled Headers): Document some more options
7295         which are known to be safe.
7296
7297 2005-08-16  James E Wilson  <wilson@specifix.com>
7298
7299         PR tree-optimization/21105
7300         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7301         TREE_OVERFLOW check.
7302
7303 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7304
7305         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7306         (neg_ltu<mode>): Same.
7307         (gtu<mode>): Same.
7308         (neg_gtu<mode>): Same.
7309
7310 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7311
7312         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7313         (fold_builtin_isdigit): Use fold_buildN.
7314         (build_function_call_expr): Likewise.
7315         * c-typeck.c (c_finish_loop): Likewise.
7316
7317 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7318             Richard Shann <rshann@superh.com>
7319
7320         PR middle-end/20396:
7321         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7322
7323 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7324
7325         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7326
7327 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7328
7329         PR target/23355
7330         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7331         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7332         must be saved.
7333
7334 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7335
7336         PR middle-end/23369
7337         * fold-const.c (build_range_check): Disable optimization for function
7338         pointer expressions on targets that require function pointer
7339         canonicalization.
7340
7341 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7342
7343         * simplify-rtx.c (simplify_const_relational_operation): When
7344         extracting arguments of a COMPARE, recompute the mode as well.
7345
7346 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7347
7348         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7349
7350 2005-08-15  DJ Delorie  <dj@redhat.com>
7351
7352         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7353         the stack.
7354         (movsi_splittable): Allow, but split, moves to the stack.
7355         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7356         stack.
7357
7358 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7359
7360         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7361         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7362         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7363
7364         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7365         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7366         Delete HOST_PTR_PRINTF.
7367
7368         * configure, config.in: Regenerate.
7369
7370 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7371
7372         * config/rs6000/rs6000.md (QHSI): New mode macro.
7373         (wd): Extend mode attr for QImode and HImode
7374         (dbits): New mode attr.
7375         (zero_extend<mode>di2): Convert to mode macro.
7376
7377 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7378
7379         PR target/21841
7380         * doc/invoke.texi (-mgnu-ld): Update description.
7381         (-mhp-ld): Ditto.
7382
7383 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7384
7385         PR 23391
7386         * Makefile.in (tree-chrec.o): Depends on real.h.
7387         * tree-chrec.c: Include real.h.
7388         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7389         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7390         * tree-scalar-evolution.c (add_to_evolution_1,
7391         interpret_rhs_modify_expr): Ditto.
7392
7393 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7394
7395         PR 23386
7396         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7397         step is negative compute the estimation from init downwards to zero.
7398
7399 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7400
7401         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7402
7403 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7404
7405         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7406         constraint.
7407         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7408         Accept double-word constants that can be split.
7409         * config/s390/s390.md ("movti"): Use 'P' constraint.
7410         ("*movdi_31", "*movdf_31"): Likewise.
7411
7412 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7413
7414         Fix PR tree-optimization/22615
7415
7416         * tree-ssa-structalias.c (solution_set_add): Handle
7417         first_vi_for_offset returning NULL.
7418         (do_da_constraint): Ditto.
7419         (do_sd_constraint): Ditto.
7420         (do_ds_constraint): Ditto
7421         (find_func_aliases): Ditto.
7422         (build_constraint_graph): RHS is allowed be ANYTHING.
7423         (first_vi_for_offset): Return NULL if we couldn't find anything at
7424         the offset.
7425
7426 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7427
7428         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7429         over memory as first operand.
7430
7431 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7432
7433         PR target/23360
7434         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7435         available for setting it.
7436
7437 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7438
7439         PR tree-optimization/23320
7440         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7441         data-refs' types instead of base object nullness. Add check for
7442         pointer type data-refs before first location comparison. Remove
7443         assert.
7444
7445 2005-08-14  Andreas Schwab  <schwab@suse.de>
7446
7447         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7448
7449 2005-08-13  James E Wilson  <wilson@specifix.com>
7450
7451         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7452         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7453         -fstack-protector-all, --param ssp-buffer-size): Document.
7454         (-Wvariadic-macros): Alphabetize.
7455         (-fsched-stalled-insns-dep): Add missing 'f'.
7456
7457         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7458         macros.
7459
7460 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7461
7462         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7463         or indirect address operand.
7464         (EXTRA_ADDRESS_CONSTRAINT): New.
7465         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7466
7467 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7468
7469         PR tree-optimization/22236
7470         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7471         successors and predecessors.
7472         * tree-chrec.c (chrec_convert): Before converting, check that
7473         sequences don't wrap.
7474         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7475         (analyze_array): Extern.
7476         (find_data_references_in_loop): Remove call to
7477         compute_estimated_nb_iterations.
7478         * tree-data-ref.h (analyze_array): Declared.
7479         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7480         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7481         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7482         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7483         condition.
7484         * tree-ssa-loop-ivcanon.c: Fix documentation.
7485         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7486         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7487         (infer_loop_bounds_from_undefined): New.
7488         (estimate_numbers_of_iterations_loop): Use
7489         infer_loop_bounds_from_undefined.
7490         (used_in_pointer_arithmetic_p): New.
7491         (scev_probably_wraps_p): Pass an extra parameter.  Call
7492         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7493         (convert_step): Fix documentation.
7494         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7495         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7496         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7497         scev_probably_wraps_p.
7498
7499 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7500
7501         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7502         (s390_register_info): Ignore clobbered_regs information for fixed
7503         registers, and only fixed registers.
7504         (s390_init_frame_layout): Remove redundant call.
7505
7506 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7507
7508         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7509         description of -Wold-style-casts.
7510
7511 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7512             Jakub Jelinek  <jakub@redhat.com>
7513
7514         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7515         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7516         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7517         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7518         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7519         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7520         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7521         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7522         ("stack_protect_set", "stack_protect_test"): New expanders.
7523         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7524         "stack_protect_testdi"): New insn definitions.
7525
7526 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7527
7528         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7529
7530 2005-08-12  Paul Brook  <paul@codesourcery.com>
7531
7532         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7533
7534 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7535
7536         * config/s390/predicates.md (setmem_operand): New predicate.
7537         (shift_count_operand): Accept ANDs with special constants as
7538         operand.
7539         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7540         with special constants.
7541         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7542         shift_count_operand with setmem_operand.
7543
7544 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7545
7546         * config/s390/s390.c (s390_extract_part, s390_single_part):
7547         Type cast added.
7548         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7549         (s390_output_mi_thunk): Don't use lg on 31 bit.
7550         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7551         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7552
7553 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7554
7555         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7556         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7557         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7558         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7559         with one of the new macros.
7560
7561 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7562
7563         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7564         Don't set save_return_addr_p.
7565         (s390_register_info): Make clobbered_regs not depending on
7566         save_return_addr_p.
7567
7568 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7569
7570         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7571         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7572
7573 2005-08-11  James E. Wilson  <wilson@specifix.com>
7574
7575         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7576
7577 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7578
7579         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7580         locations gathered by var-tracking in single entry loc_list
7581         over loc_descriptor_from_tree.
7582
7583         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7584         pass it down to loc_descriptor.
7585         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7586         (containing_function_has_frame_base): Move earlier in the file.
7587         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7588         instead of always assuming fbreg can't be used.
7589
7590 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7591
7592         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7593         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7594         Accept address wrapped in AND for Altivec.
7595         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7596         Strip AND wrapping offset address for Altivec.
7597
7598 2005-08-11  Richard Henderson  <rth@redhat.com>
7599
7600         PR middle-end/23312
7601         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7602         before using TYPE_IS_SIZETYPE.
7603
7604 2005-08-11  Richard Henderson  <rth@redhat.com>
7605
7606         PR target/22225
7607         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7608         insn types not present on ev4.
7609         (alphaev5_insn_pipe): Similarly.
7610
7611 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7612
7613         PR target/23250
7614         * arm.c (arm_override_options): If the user has selected callee-super-
7615         interworking, then enable normal interworking.
7616
7617 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7618
7619         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7620         redefinition.
7621
7622 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7623
7624         * doc/rtl.texi: Fix two typos.
7625
7626 2005-08-11  Richard Guenther  <rguenther@suse.de>
7627
7628         PR target/23289
7629         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7630         cases where we call to/from functions returning void.
7631
7632 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7633
7634         PR c++/23225
7635         * tree.c (build_pointer_type_for_mode): Robustify.
7636
7637 2005-08-10  James E Wilson  <wilson@specifix.com>
7638
7639         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7640         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7641
7642         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7643         "cum->".
7644
7645 2005-08-10  Eric Christopher  <echristo@apple.com>
7646
7647         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7648         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7649         V2DFmode.
7650
7651 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7652
7653         PR target/21887
7654         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7655         for the high part when generating dynamic-no-pic code.
7656
7657 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7658
7659         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7660         (x86_64-*-linux*): Likewise.
7661
7662         * config/i386/crtfastmath.c: New file.
7663         * config/i386/t-crtfm: Likewise.
7664
7665         * config/i386/linux.h (ENDFILE_SPEC): New.
7666         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7667
7668         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7669         crtfastmath.o.
7670
7671 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7672
7673         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7674         (vec_shl, vec_shr): Document new operations.
7675         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7676
7677 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7678
7679         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7680         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7681         change predicate to indexed_or_indirect_address.
7682
7683 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7684
7685         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7686         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7687         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7688         and __aeabi_uwrite8.
7689         * config/arm/unaligned-funcs.c: New file.
7690         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7691
7692 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7693
7694         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7695         Add dump.
7696         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7697         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7698         Add dump.
7699         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7700         * final.c (pass_shorten_branches): Add dump.
7701         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7702         (pass_life): Rename dump.
7703         (rest_of_handle_flow2): Remove initial verify_flow_info.
7704         * function.c (pass_instantiate_virtual_regs): Add dump.
7705         * integrate.c (pass_initial_value_sets): Add dump.
7706         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7707         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7708         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7709         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7710         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7711         gate_rtl_unrool_and_peel_loops): New.
7712         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7713         rtl_doloop): Do not look at flags.
7714         * mode-switching.c (pass_mode_switching): Add dump.
7715         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7716         pass_split_before_regstack): Add dump.
7717         * regmove.c (pass_stack_adjustments): Add dump.
7718         * tree-optimize.c (pass_fixup_cfg): Add dump.
7719
7720 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7721
7722         PR 23309
7723         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7724         deciding which instruction sequence to use.
7725
7726 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7727
7728         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7729         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7730
7731 2005-08-09  Richard Guenther  <rguenther@suse.de>
7732
7733         * c-common.c (builtin_function_2): Remove.
7734         (def_builtin_1): New function.
7735         (c_common_nodes_and_builtins): Use def_builtin_1 to
7736         build builtin functions.
7737
7738 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7739
7740         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7741         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7742         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7743         Visual DSP.
7744
7745 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7746
7747         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7748         fold_binary instead of fold_build2 since we don't care about the
7749         resulting tree.
7750         (loop_niter_by_eval): Likewise.
7751         (compare_trees): Likewise.
7752         (proved_non_wrapping_p): Likewise.
7753
7754 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7755
7756         PR c/23161
7757         PR c/23165
7758         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7759         if the if is really empty.
7760
7761 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7762
7763         PR tree-optimization/23234
7764         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7765         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7766         argument of the new enum.
7767         (execute_cse_reciprocals): Add reciprocals for function arguments
7768         on the unique successor edge of the entry block.  Update other calls
7769         to execute_cse_reciprocals_1.
7770
7771 2005-08-08  Richard Henderson  <rth@redhat.com>
7772
7773         PR 22439
7774         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7775
7776 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7777
7778         * expr.c (write_complex_part): Return after handling MEM.
7779
7780 2005-08-08  Josh Conner  <jconner@apple.com>
7781
7782         PR rtl-optimization/23241
7783         * combine.c (simplify_comparison): Fix error in determining
7784         whether to lift a subreg from comparison.
7785
7786 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7787
7788         PR target/18506
7789         * config/rs6000/altivec.md (vec_init<mode>): New.
7790         (vec_set<mode>): New.
7791         (vec_extract<mode>): New.
7792         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7793         (rs6000_expand_vector_set): New.
7794         (rs6000_expand_vector_extract): New.
7795         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7796         for Altivec modes before reload.
7797         (altivec_expand_vec_init_builtin): New.
7798         (get_element_number): New.
7799         (altivec_expand_vec_set_builtin): New.
7800         (altivec_expand_vec_ext_builtin): New.
7801         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7802         builtins.
7803         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7804         builtins.
7805         * config/rs6000/rs6000.h (rs6000_builtins): Add
7806         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7807         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7808         * config/rs6000/rs6000-protos.h: Declare new functions.
7809
7810 2005-08-08  Jan Hubicka  <jh@suse.cz>
7811
7812         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7813         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7814         * i386.md (movdi*): Use pic_32bit_operand.
7815         * predicates.md (pic_32bit_operand): New.
7816
7817 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7818
7819         PR c++/21166
7820         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7821
7822 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7823
7824         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7825         (test_for_singularity): Use fold_build2.
7826
7827 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7828
7829         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7830
7831 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7832
7833         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7834         (COMMON_ASM_OP) Define.
7835         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7836         (ix86_encode_section_info): Likewise.
7837         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7838         SUBTARGET_ENCODE_SECTION_INFO.
7839
7840 2005-08-06  Richard Henderson  <rth@redhat.com>
7841
7842         PR 21894
7843         * tree-nested.c (convert_local_reference): Save and restore val_only
7844         around component_ref and friends.  Clear walk_subtrees by default.
7845
7846 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7847
7848         PR 21366
7849         * gcc.c (process_command): Check the argument to -b has a dash.
7850         * doc/invoke.texi: Update -b and -V docs.
7851
7852 2005-08-06  James E Wilson  <wilson@specifix.com>
7853
7854         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7855
7856 2005-08-06  Michael Matz  <matz@suse.de>
7857
7858         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7859         member only if only one insn is associated with the value.
7860
7861 2005-08-06  Nick Clifton  <nickc@redhat.com>
7862
7863         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7864         New define.
7865         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7866         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7867         Check symbol flags instead of symbol name mangling.
7868         (xstormy16_asm_output_aligned_common): Likewise.  Also
7869         simplify code since the bss100_section cass is the only case
7870         where the below100 code will be triggered.
7871         (xstormy16_encode_section_info): Encode below100 attribute
7872         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7873         the name.
7874         (xstormy16_strip_name_encoding): Delete - this function is no
7875         longer needed.
7876         (TARGET_STRIP_NAME_ENCODING): Undefine.
7877         * config/stormy16/stormy16-protos.h: Delete prototype for
7878         xstormy16_strip_name_encoding.
7879
7880 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7881
7882         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7883         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7884         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7885         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7886         config/alpha/predicates.md, config/arc/arc.h,
7887         config/arm/arm.h, config/arm/ieee754-df.S,
7888         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7889         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7890         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7891         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7892         config/m68hc11/m68hc11.h, config/mips/mips.c,
7893         config/mips/mips.h, config/mips/openbsd.h,
7894         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7895         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7896         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7897         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7898         config/sparc/linux.h, config/sparc/linux64.h,
7899         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7900         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7901         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7902         typos.  Follow spelling conventions.
7903
7904 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7905
7906         PR c/23113
7907         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7908         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7909         specially.  Check for side effects only for COND_EXPR.
7910         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7911         return with TREE_NO_WARNING.
7912
7913 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7914
7915         PR rtl-optimization/23233
7916         * loop.c (combine_movables): Require the modes to be the same.
7917         (move_movables): Remove handling of cases where the replacement
7918         had a different mode to the original.
7919
7920 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7921
7922         PR tree-optimization/23128
7923         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7924         subtraction wrap, and set TREE_OVERFLOW if they do.
7925
7926 2005-08-05  Richard Henderson  <rth@redhat.com>
7927
7928         PR 21728
7929         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7930         FORCED_LABEL labels.
7931
7932 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7933
7934         PR middle-end/23135
7935         * reload.c (find_reloads_subreg_address): Pass down TYPE
7936         unchanged.  Change all callers except find_reloads_toplev.
7937
7938 2005-08-05  Michael Matz  <matz@suse.de>
7939
7940         * genattrtab.c (current_alternative_string): Remove.
7941         (SIMPLIFY_ALTERNATIVE): Ditto.
7942         (attr_alt_bit_p): Ditto.
7943         (alternative_name): Make const char *.
7944         (evaluate_eq_attr): Remove use of above things.
7945         (simplify_test_exp): Ditto.
7946         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7947         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7948
7949 2005-08-04  James E Wilson  <wilson@specifix.com>
7950
7951         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7952         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7953         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7954         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7955         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7956
7957 2005-08-04  Richard Henderson  <rth@redhat.com>
7958
7959         PR 21529
7960         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7961         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7962         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7963         if we'd have to instantiate too many members.
7964
7965 2005-08-04  Richard Henderson  <rth@redhat.com>
7966
7967         PR 21291
7968         * tree-outof-ssa.c (coalesce_asm_operands): New.
7969         (coalesce_ssa_name): Use it.  Split out ...
7970         (coalesce_phi_operands, coalesce_result_decls): ... these.
7971
7972 2005-08-04  Paul Brook  <paul@codesourcery.com>
7973
7974         * read-rtl.c (read_quoted_string): Break if EOF.
7975
7976 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7977
7978         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7979         (fold_build2): Likewise.
7980         (fold_build3): Likewise.
7981         (fold_build1_stat): New function prototype.
7982         (fold_build2_stat): Likewise.
7983         (fold_build3_stat): Likewise.
7984         * fold-const.c (fold_build1): Rename to ..
7985         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7986         through to build1_stat.
7987         (fold_build2): Rename to ..
7988         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7989         through to build2_stat.
7990         (fold_build3): Rename to ..
7991         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7992         through to build3_stat.
7993
7994 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7995             Ian Lance Taylor  <ian@airs.com>
7996
7997         * function.c (assign_stack_local_1): Do not correct stack slot
7998         address if allocation size is smaller than mode size.
7999
8000 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8001
8002         PR 22037
8003         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8004         (tree_merge_blocks): Propagate anything allowed by
8005         may_propagate_copy.
8006         Clarify documentation.
8007         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8008         SSA form, schedule an update if necessary.
8009
8010 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8011
8012         * doc/install.texi (Binaries): Remove broken link to
8013         Sinix/Reliant Unix binaries.
8014
8015 2005-08-03  Richard Henderson  <rth@redhat.com>
8016
8017         PR 23221
8018         * function.c (stack_protect_epilogue): Export.
8019         * tree.h (stack_protect_epilogue): Declare.
8020         * calls.c (expand_call): Call it.
8021
8022 2005-08-03  Eric Christopher  <echristo@apple.com>
8023
8024         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8025         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8026         spec.
8027
8028 2005-08-04  Jan Hubicka  <jh@suse.cz>
8029
8030         * profile.c (branch_prob): Split edges with goto locus on them
8031         to get proper line counts.
8032         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8033
8034 2005-08-03  Paul Brook  <paul@codesourcery.com>
8035
8036         * function.c (assign_parms): Round current_function_args_size
8037         to PARM_BOUNDARY, not STACK_BOUNDARY.
8038
8039 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8040
8041         * config/i386/i386.c (x86_elf_aligned_common)
8042         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8043
8044 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8045
8046         PR tree-optimization/23157
8047         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8048         before emitting them.
8049
8050 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8051
8052         PR tree-optimization/19899
8053         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8054         * tree-scalar-evolution.c: Include real.h.
8055         (add_to_evolution): Build constant -1 of correct type.
8056
8057 2005-08-03  Jan Hubicka  <jh@suse.cz>
8058
8059         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8060         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8061         profile updating for complette unrolling.
8062         * loop-unroll.c (peel_loop_completely): Use it.
8063         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8064         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8065         loops.
8066
8067 2005-08-03  Paul Brook  <paul@codesourcery.com>
8068
8069         * combine.c (can_change_dest_mode): New function.
8070         (try_combine, simplify_set): Use it.
8071
8072 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8073
8074         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8075         TFmode to BLKmode.
8076
8077 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8078
8079         * doc/install.texi (Specific): Adjust link to openavr.org.
8080         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8081         (Binaries): Adjust HP-UX Porting Center link.
8082         (Binaries): Adjust Free Software Foundation ordering link.
8083
8084 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8085
8086         * convert.c (convert_to_integer): Use fold_build1 instead of
8087         build1 when converting an integer to an integer.
8088
8089 2005-08-02  Richard Henderson  <rth@redhat.com>
8090
8091         * combine.c (combine_instructions): Don't use reg_equal/equiv
8092         results if the mode doesn't match.
8093
8094 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8095
8096         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8097         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8098
8099 2005-08-02  Richard Henderson  <rth@redhat.com>
8100
8101         PR 23196
8102         * explow.c (memory_address): Remove special-case for
8103         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8104
8105 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8106
8107         PR 23164
8108         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8109         number of calls to cleanup_tree_cfg_1.
8110
8111 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8112
8113         * doc/invoke.texi: document file extensions .F90 and .F95
8114
8115 2005-08-02  Richard Guenther  <rguenther@suse.de>
8116
8117         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8118         positive if its first argument is positive.
8119
8120 2005-08-02  Richard Guenther  <rguenther@suse.de>
8121
8122         PR tree-optimization/23177
8123         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8124         on TMR_TAG.
8125
8126 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8127
8128         PR tree-optimization/23129
8129         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8130         varying for divisions with anti-ranges.
8131
8132 2005-08-02  Jan Hubicka  <jh@suse.cz>
8133
8134         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8135         * tree-ssa-threadupdate.c (thread_block): Add it here.
8136
8137 2005-08-01  James E Wilson  <wilson@specifix.com>
8138
8139         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8140         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8141         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8142         New.
8143         * config/mips/predicates.md (const_call_insn_operand): Add check for
8144         SYMBOL_REF_LONG_CALL_P.
8145         * doc/extend.texi (long_call): Document the new attribute.
8146
8147 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8148             Richard Henderson  <rth@redhat.com>
8149
8150         * Makefile.in (RTL_BASE_H): Add real.h.
8151         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8152         instead of memcpy.
8153         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8154         directly.
8155         * rtl.c (rtl_check_failed_code_mode): New.
8156         * rtl.h (struct rtx_def): Add u.rv.
8157         (XCMWINT, XCNMPRV): New.
8158         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8159         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8160
8161 2005-08-01  Richard Henderson  <rth@redhat.com>
8162
8163         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8164         with auto-inc codes.
8165
8166         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8167
8168 2005-08-01  Jan Hubicka  <jh@suse.cz>
8169
8170         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8171         * i386.c: Include dwarf2.h
8172         (asm_preferred_eh_data_format): New.
8173         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8174
8175 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8176
8177         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8178         randomize_va_space for virtual address randomization control.
8179
8180 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8181
8182         * common.opt (flag_ipa_cp): Put in right place to maintain
8183         alphabetic sort.
8184
8185 2005-08-01  Jan Hubicka  <jh@suse.cz>
8186
8187         * profile.c (compute_value_histograms): Fix thinko.
8188         * value-prof.c: Include toplev.h
8189         (check_counter): New function.
8190         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8191         tree_mod_subtract_transform): Add sanity check.
8192
8193 2005-08-01  Richard Guenther  <rguenther@suse.de>
8194
8195         PR tree-optimization/23133
8196         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8197         current functions parameter decls to find defs to cse
8198         reciprocals of.
8199
8200 2005-08-01  Richard Guenther  <rguenther@suse.de>
8201
8202         PR tree-optimization/23109
8203         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8204         If trapping math is in effect, use post-dominator information
8205         to check if we'd in any case reach a trapping point before
8206         doing the reciprocal insertion.
8207         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8208         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8209         expressions are invariant only if trapping math is not in effect.
8210
8211 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8212
8213         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8214         cgraph_function_versioning): New declarations.
8215         * cgraphunit.c: Add include to ipa-prop.h.
8216         (update_call_expr, cgraph_copy_node_for_versioning,
8217         cgraph_function_versioning): New functions.
8218         * integrate.c (copy_decl_for_inlining): Remove.
8219         * ipa-prop.h (ipa_replace_map): New struct.
8220         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8221         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8222         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8223         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8224         ipcp_iterate_stage, ipcp_method_scale_print,
8225         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8226         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8227         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8228         ipcp_update_bb_counts, ipcp_update_profiling,
8229         ipcp_update_edges_counts): New functions.
8230         (ipcp_method_cval_init): Remove restriction regarding local methods.
8231         (ipcp_init_stage): Add ipcp_method_compute_scale.
8232         (ipcp_insert_stage): Add versioning.
8233         (ipcp_structures_print): Add ipcp_method_scale_print.
8234         (ipcp_driver): Dump profiling info.
8235         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8236         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8237         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8238         (struct inline_data): Add versioning_p, ipa_info, new fields.
8239         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8240         declare_return_variable): Replace calls to copy_decl_for_inlining with
8241         copy_decl_for_dup.
8242         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8243         versioning support.
8244         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8245         Add argument VERSIONING.
8246         (copy_arguments_for_versioning, copy_static_chain,
8247         function_versionable_p, tree_versionable_function_p,
8248         tree_function_versioning, replace_ref_tree): New functions.
8249         * tree-inline.h: Include varray.h.
8250         (tree_versionable_function_p,  tree_function_versioning,
8251         tree copy_decl_for_dup): New declarations.
8252
8253 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8254
8255         * ipa-cp.c: New file. Contains IPCP specific functionality.
8256         * ipa-prop.h: New file. Contains structures/definitions that can be
8257         used by several interprocedural data flow optimizations (and also IPCP).
8258         * ipa-prop.c: New file.
8259         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8260         * common.opt: Add ipa-cp flag.
8261         * timevar.def: Add IPCP optimization.
8262         * tree-optimize.c (init_tree_optimization_passes): Schedule
8263         pass_ipa_cp.
8264         * tree-pass.h (pass_ipa_cp): Declare.
8265
8266 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8267
8268         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8269         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8270         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8271         config/i386/i386.c, config/mips/mips.h,
8272         config/rs6000/rs6000.h, config/sh/sh.c,
8273         config/stormy16/stormy16.c: Fix comment typos.
8274
8275 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8276
8277         PR c/22311
8278         * c-typeck.c (build_binary_op): Use common_type wrapper on
8279         shortened types.
8280         (common_type): Update comment.
8281
8282 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8283
8284         PR target/23095
8285         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8286         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8287         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8288
8289 2005-07-31  Jan Hubicka  <jh@suse.cz>
8290
8291         * pretty-print.h (pp_widest_integer): New macro.
8292         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8293         counts.
8294
8295 2005-07-31  Jan Hubicka  <jh@suse.cz>
8296
8297         * output.h (enum section_category): Export from varasm.c
8298         (categorize_decl_for_section): Likewise.
8299         * varasm.c (enum section_category): Kill.
8300         (categorize_decl_for_section): Make global.
8301         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8302         Declare.
8303         * i386.c (ix86_section_threshold): New static variable.
8304         (ix86_in_large_data_p, ix86_encode_section_info,
8305         x86_64_elf_unique_section,
8306         x86_64_elf_select_section): New functions.
8307         (TARGET_ENCODE_SECTION_INFO): Define
8308         (override_options): Enable medium model for PIC.
8309         (ix86_expand_prologue): Expand gen_set_got_rex64.
8310         (legitimate_constant_p): Handle new UNSPECs.
8311         (legitimate_pic_address_disp_p): Likewise.
8312         (legitimize_pic_address): Lower MEDIUM model addressing.
8313         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8314         (enum cmodel): Add MEDIUM_PIC.
8315         (SYMBOL_REF_FAR_ADDR_P): New macro.
8316         (SYMBOL_FLAG_FAR_ADDR): New flag.
8317         * i386.md (movdi): Support medium model.
8318         (set_got_rex64): New pattern.
8319         * i386.opt (mlarge-data-threshold): New flag.
8320         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8321         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8322         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8323         TARGET_ASM_UNIQUE_SECTION): New.
8324
8325         * invoke.texi (-mlarge_data_threshold): Document
8326
8327 2005-07-31  Jan Hubicka  <jh@suse.cz>
8328
8329         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8330         (coalesce_vars): Likewise.
8331         * tree-ssa-live.c (coalesce_cost): New.
8332         (build_tree_conflict_graph): Use coalesce_cost.
8333         * tree-ssa-live.h (coalesce_cost): Declare.
8334
8335 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8336
8337         * arm.md (all peepholes for post-increment operations): Delete.
8338         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8339         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8340         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8341         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8342         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8343
8344 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8345
8346         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8347         non-integral types.
8348
8349 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8350
8351         PR target/22582
8352         * doc/invoke.texi: Document -rdynamic.
8353
8354 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8355
8356         PR c/23143
8357         * c-parser.c (c_parser_parms_list_declarator): Call
8358         mark_forward_parm_decls.
8359         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8360         decls with visibility structure.
8361
8362 2005-07-30  Paul Brook  <paul@codesourcery.com>
8363
8364         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8365
8366 2005-07-30  Paul Brook  <paul@codesourcery.com>
8367
8368         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8369         prototype.
8370         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8371         value for mode.
8372         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8373
8374 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8375
8376         PR c/529
8377         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8378         nested function declarators.
8379         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8380         (grokparms): Call warn_if_shadowing for parameters used within the
8381         parameter list.
8382         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8383         not used within the parameter list.
8384         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8385
8386 2005-07-30  Jan Hubicka  <jh@suse.cz>
8387
8388         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8389         * i386.c (ix86_fixup_binary_operands): Likewise.
8390         (ix86_expand_unary_operator): Likewise.
8391         (ix86_expand_fp_absneg_operator): Likewise.
8392         * optabs.c (expand_vec_cond_expr): Validate dest.
8393
8394 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8395
8396         PR c/21720
8397         * real.c (real_from_string): Also set last bit if there is a
8398         nonzero hex digit beyond GCC's internal precision after ".".
8399
8400 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8401
8402         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8403         define_constants.  Change duplicate values to unassigned numbers.
8404         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8405         (*altivec_vspltsf): New.
8406         (altivec_vperm_v4sf): Delete.
8407         (altivec_vperm_<mode>): Use mode macro V.
8408         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8409         (altivec_predicate_v4sf): Delete.
8410         (altivec_predicate_<mode>): Use mode macro V.
8411         (*altivec_lvesfx): New.
8412         (*altivec_stvesfx): New.
8413         (vec_realign_load_v4sf): Delete.
8414         (vec_realign_load_<mode>): Use mode macro V.
8415         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8416         UNSPECV_SET_VRSAVE.
8417
8418 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8419
8420         PR bootstrap/23131
8421         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8422         string.
8423         * configure: Regenerated.
8424
8425 2005-07-29  Paul Brook  <paul@codesourcery.com>
8426
8427         * doc/install.texi: Add link to GFortran binaries wiki page.
8428
8429 2005-07-29  David Ung  <davidu@mips.com>
8430
8431         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8432         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8433         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8434         * config/mips/mips.md (cpu): Add 5kf name.
8435         (includes): Includes 5k.md.
8436         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8437         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8438         -march flag.
8439
8440 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8441
8442         PR 22550
8443         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8444         (cleanup_tree_cfg): ... here.
8445         Call cleanup_tree_cfg_1 until there are no more cleanups to
8446         do.
8447
8448 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8449
8450         * tree-vrp.c (compare_range_with_value): Return true or false
8451         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8452         EQ_EXPR respectively.
8453
8454 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8455
8456         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8457         Fix comment typos.
8458
8459 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8460
8461         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8462         (tree_ssa_dominator_optimize): Increment it.
8463         (dump_dominator_optimization_stats): Print it.
8464
8465 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8466             Steven Bosscher  <stevenb@suse.de>
8467
8468         PR rtl-optimization/23117
8469         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8470         when head == tail.  Tidy comment.
8471
8472 2005-07-28  Richard Henderson  <rth@redhat.com>
8473
8474         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8475         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8476         * jump.c (rtx_renumbered_equal_p): Likewise.
8477         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8478         CONST_INT and CONST_DOUBLE.
8479         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8480         * reload.c (operands_match_p): Special case CONST_INT and
8481         CONST_DOUBLE; check mode earlier.
8482
8483 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8484
8485         PR c/22240
8486         * c-typeck.c (convert_for_assignment): Do not check
8487         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8488
8489 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8490
8491         PR c/22192
8492         * c-typeck.c (composite_type): Prefer constant size arrays to
8493         VLAs.
8494
8495 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8496
8497         PR c/21720
8498         * real.c (real_from_string): Set last bit if there is a nonzero
8499         hex digit beyond GCC's internal precision.
8500
8501 2005-07-28  Richard Henderson  <rth@redhat.com>
8502
8503         PR rtl-opt/22619
8504         * cfgcleanup.c (try_forward_edges): Watch out for end of
8505         insn chain.
8506
8507 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8508
8509         PR c/23106
8510         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8511
8512 2005-07-28  Jan Hubicka  <jh@suse.cz>
8513
8514         * Makefile.in (rtl-profile.o): Kill all traces of it.
8515         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8516         * coverage.h (rtl_coverage_counter_ref): Kill.
8517         * opts.c (flag_speculative_prefetching_set): Kill.
8518         (flag_loop_optimize_set): New.
8519         (common_handle_option): Disable loop optimizer when profiling;
8520         do not handle speculative prefetching.
8521         * passes.c (init_optimization_passes): Replace pass_profiling combo
8522         by branch_prob pass.
8523         * profile.c (compute_value_histograms): Update for simplified value
8524         profiles.
8525         (rtl_register_profile_hooks): Kill.
8526         (pass_profiling): Kill.
8527         (rest_of_handle_branch_prob): Do not profile.
8528         * toplev.c (process_options): Remove speculative prefetching.
8529         * toplev.h (flag_tree_based_profiling): Kill.
8530         * tree-profile.c (prepare_instrumented_value,
8531         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8532         tree_gen_one_value_profiler, do_tree_profiling): Update for
8533         simplified datastructures.
8534         * value-prof.c: Add comment that speculative prefetching was dropped;
8535         update rest of file for simplified datastructures.
8536         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8537         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8538         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8539         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8540         rtl_mod_subtract, gen_speculative_prefetch,
8541         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8542         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8543         (gate_handle_value_profile_transformations,
8544         rest_of_handle_value_profile_transformations,
8545         pass_value_profile_transformations): Kill.
8546         * value-prof.h (histogram_value_t): Remove IL based unions.
8547         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8548         rtl_profile_hooks): Remove hooks.
8549
8550         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8551
8552         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8553         (cgraph_clone_node): Likewise.
8554         * cgraph.h (cgraph_clone_edge): Update prototype.
8555         (cgraph_clone_node): Likewise.
8556         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8557         cgraph_clone_node.
8558         (lookup_recursive_calls): Consider profile.
8559         (cgraph_decide_recursive_inlining): Fix updating; use new
8560         probability argument; use profile.
8561         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8562         * tree-inline.c (copy_bb): Update clal of clone_edge.
8563         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8564
8565         * invoke.texi (min-inline-recursive-probability): Document.
8566
8567 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8568
8569         * doc/install.texi (Configuration): Update Valgrind homepage.
8570
8571 2005-07-28  Richard Henderson  <rth@redhat.com>
8572
8573         PR middle-end/21362
8574         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8575         labels we want to delete.
8576         (cfg_layout_merge_blocks): Likewise.
8577
8578 2005-07-28  Richard Henderson  <rth@redhat.com>
8579
8580         PR target/17692
8581         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8582         when expanding to nothing.
8583
8584 2005-07-28  Josh Conner  <jconner@apple.com>
8585
8586         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8587         (cgraph_decide_inlining_of_small_functions): Likewise.
8588
8589 2005-07-28  Josh Conner  <jconner@apple.com>
8590
8591         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8592         direction of badness if negative.
8593         (cgraph_default_inline_p): Add reason to parameters, and assign it
8594         a value.
8595         (cgraph_decide_inlining_of_small_functions): New parameter in call
8596         to cgraph_default_inline_p.
8597         (cgraph_decide_inlining_incrementally): Likewise.
8598         * cgraphunit.c (decide_is_function_needed): Likewise.
8599         * cgraph.h (cgraph_default_inline_p): Likewise.
8600
8601 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8602
8603         * builtins.c: Fix comment typo(s).
8604         * genautomata.c: Likewise.
8605         * gimplify.c: Likewise.
8606         * tree-dfa.c: Likewise.
8607         * tree-flow-inline.h: Likewise.
8608         * tree-into-ssa.c: Likewise.
8609         * tree-ssa-alias.c: Likewise.
8610         * tree-ssa-ccp.c: Likewise.
8611         * tree-ssa-copy.c: Likewise.
8612         * tree-ssa-dce.c: Likewise.
8613         * tree-ssa-dom.c: Likewise.
8614         * tree-ssa-operands.c: Likewise.
8615         * tree-tailcall.c: Likewise.
8616         * tree-vectorizer.c: Likewise.
8617         * tree-vrp.c: Likewise.
8618         * tree.c: Likewise.
8619
8620 2005-07-28  Jeff Law  <law@redhat.com>
8621
8622         * tree-vrp.c (test_for_singularity): Extracted from  ...
8623         (simplify_cond_using_ranges): Attempt to simplify a relational
8624         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8625
8626 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8627
8628         PR tree-optimization/22506
8629         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8630         phis whose argument is constant.
8631
8632 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8633
8634         PR rtl-optimization/18992
8635         Back out this patch:
8636           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8637           PR optimization/12142
8638           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8639           uses of the register in the SET_SRC.  Remove unnecessary argument.
8640
8641         Replace it with this:
8642         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8643         if flag_non_call_exceptions is set and the insn may trap, pass
8644         pc_rtx as dest for recursion.
8645         In SET_SRC part of SET case, if dest is already set, pass it down
8646         unchanged.
8647
8648 2005-07-28  Jan Hubicka  <jh@suse.cz>
8649
8650         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8651         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8652         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8653         roundoff errors.
8654         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8655         profile when available.
8656
8657 2005-07-28  Jan Beulich <jbeulich@novell.com>
8658
8659         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8660         (ia64_print_operand): Describe and handle 'X'.
8661         (ia64_register_move_cost): Also handle FP_REGS.
8662         (ia64_preferred_reload_class): Likewise.
8663         (ia64_secondary_reload_class): Likewise.
8664         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8665         it. Also check for ITANIUM_CLASS_FLDP.
8666         * config/ia64/ia64.h (FP_REGNO_P): New.
8667         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8668         (reg_class): Add FP_REGS.
8669         (REG_CLASS_NAMES): Adjust for it.
8670         (REG_CLASS_CONTENTS): Likewise.
8671         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8672         (REG_CLASS_FROM_LETTER): Handle 'x'.
8673         (CLASS_MAX_NREGS): Handle FP_REGS.
8674         (MEMORY_MOVE_COST): Likewise.
8675         * config/ia64/ia64.md (itanium_class): Add fldp.
8676         (type): Handle fldp.
8677         (movti_internal): More allowable operand combinations. Use ldfp8 when
8678         splitting unnecessary. Remove predicable attribute. Adjust
8679         itanium_class attribute.
8680         (smuldi3_highpart): Remove outdated comment.
8681         (mulditi3, umulditi3, rotlti3): New expanders.
8682         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8683         (absti2): Disabled new insn for future reference.
8684         Respective new splitters.
8685         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8686         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8687         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8688
8689 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8690
8691         PR rtl-optimization/23047
8692         * simplify-rtx.c (simplify_const_relational_operation): Respect
8693         flag_wrapv for comparisons with ABS.
8694
8695 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8696
8697         PR tree-optimization/22493
8698         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8699         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8700
8701 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8702
8703         * config/frv/frv.opt (moptimize-membar): New.
8704
8705         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8706
8707         * config/frv/frv.h: Remove machine_function definition.
8708
8709         * config/frv/frv.c (struct frv_io): New.
8710         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8711         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8712         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8713         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8714         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8715         (frv_reorg): Call frv_optimize_membar when appropriate.
8716         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8717         (frv_expand_builtin): Adjust calls accordingly.
8718         (frv_io_address_cookie): New function.
8719         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8720         load or store rather than a special insn.  Add ccnstant address and
8721         io-type operands to the membar.
8722         (frv_ifcvt_modify_tests): Unsign regno.
8723         (frv_ifcvt_modify_tests): Same.
8724
8725         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8726         UNSPEC_OPTIONAL_MEMBAR constant.
8727         (builtin_read_<mode>): Delete.
8728         (builtin_write_<mode>): Delete.
8729         ("optional_membar_<mode>"): Add operand.
8730
8731         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8732         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8733         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8734         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8735         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8736         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8737         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8738         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8739         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8740
8741 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8742
8743         * df.c (df_uses_record): Handle SCRATCH.
8744
8745 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8746
8747         PR debug/20161
8748         * passes.c (rest_of_decl_compilation): If decl is a type and
8749         we have encountered errors, don't emit debug information.
8750
8751 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8752
8753         * params.def: Fixed comment.
8754
8755 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8756
8757         PR target/19885
8758         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8759         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8760         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8761
8762 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8763
8764         PR c++/22003
8765         * varasm.c (assemble_start_function): Don't do anything that may
8766         require a CFG if the current function is a thunk.
8767
8768 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8769
8770         * doc/install.texi (Prerequisites): Mention that perl is needed
8771         to do export control in libstdc++ targetting Darwin.
8772
8773 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8774
8775         PR rtl-optimization/17808
8776         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8777         (sched_insns_conditions_mutex_p): Split out from...
8778         (add_dependence): ...here.  But don't call it from here.
8779         (add_dependence_list): Check sched_insns_conditions_mutex_p
8780         before calling add_dependence.
8781         (add_dependence_list_and_free): Likewise.
8782         (fixup_sched_groups): Likewise.
8783         (sched_analyze_1): Likewise.
8784         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8785         (sched_analyze): Likewise.
8786         (sched_analyze_insn): Likewise.
8787         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8788         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8789         dependencies on all COND_EXEC insns to jumps ending basic blocks
8790         when doing intrablock scheduling.
8791         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8792
8793 2005-07-27  Jeff Law  <law@redhat.com>
8794
8795         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8796         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8797         equivalency sets, correctly handle the case were vr0 has an
8798         equivalency set, but vr1 does not.
8799
8800 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8801
8802         PR tree-optimization/23073
8803         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8804         vect_print_dump_info before fprintf.
8805
8806 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8807
8808         PR tree-optimize/22348
8809         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8810         Fold the partial computation.
8811
8812 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8813
8814         PR tree-optimization/22325
8815         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8816         Declare.
8817         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8818         value replacement.
8819         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8820         (force_var_cost): ... this function.
8821         (compute_phi_arg_on_exit): Export.
8822
8823 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8824
8825         PR tree-optimization/20773
8826         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8827         edge.
8828
8829 2005-07-27  Richard Guenther  <rguenther@suse.de>
8830
8831         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8832         Avoid pushing again if current struct contains only
8833         fields we decomposed.
8834
8835 2005-07-27  Jan Hubicka  <jh@suse.cz>
8836
8837         PR tree-optimization/22574
8838         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8839         not available.
8840
8841         * tree-tailcall.c (decrease_profile): New function.
8842         (eliminate_tail_call): Use it.
8843
8844         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8845         visibility flags correctly in whole program mode.
8846
8847 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8848
8849         PR rtl-optimization/22472
8850         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8851
8852 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8853
8854         PR tree-optimization/22504
8855         * tree-complex.c (expand_complex_addition): Use 'code' instead
8856         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8857
8858 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8859
8860         * config.gcc (cpu_type): Add frv case.
8861         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8862         (supported_defaults): Add fr550 case.
8863
8864 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8865
8866         PR 22591
8867         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8868         whether a pointer of type T * may point to objects of type T *.
8869
8870 2005-07-26  DJ Delorie  <dj@redhat.com>
8871
8872         * configure: Regenerate.
8873
8874 2005-07-26  Dale Johannesen  <dalej@apple.com>
8875
8876         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8877
8878 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8879
8880         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8881         Clarify use of "build" in name.
8882
8883 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8884
8885         * doc/extend.texi (Raw read/write Functions): New section.
8886         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8887         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8888         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8889         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8890         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8891         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8892         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8893         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8894         * config/frv/frv.c: Add bdesc_loads global.
8895         Add bdesc_stores global.
8896         (frv_init_builtins): Add support for __builtin_{read/write}*.
8897         (frv_volatile_memref): New.
8898         (frv_expand_load_builtin): New.
8899         (frv_expand_store_builtin): New.
8900         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8901         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8902         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8903         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8904         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8905         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8906         (builtin_read_<mode>): New.
8907         (builtin_write_<mode>): New.
8908         (builtin_write64): New.
8909         (optional_membar_<mode>): New.
8910
8911 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8912
8913         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8914         (rather than units) against HOST_BITS_PER_WIDE_INT.
8915
8916 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8917
8918         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8919         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8920         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8921         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8922         FSF address.
8923
8924         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8925         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8926         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8927         comment typos.
8928         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8929
8930 2005-07-26  Richard Guenther  <rguenther@suse.de>
8931
8932         PR tree-optimization/22486
8933         * fold-const.c (fold_unary): Fold away useless component
8934         references of the form (T *)&T.x, if the address
8935         doesn't change.
8936
8937 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8938
8939         * dwarf2out.c (add_call_src_coords_attributes): New.
8940         (gen_inlined_subroutine_die): Call it.
8941         (maybe_emit_file, init_file_table): Add comments.
8942         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8943         maybe_emit_file.
8944         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8945         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8946         * tree.h (BLOCK_SOURCE_LOCATION): New.
8947         (struct tree_block): New field locus.
8948
8949 2005-07-26  Andreas Schwab  <schwab@suse.de>
8950
8951         PR rtl-optimization/23043
8952         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8953         when allocating a struct unoccr.
8954
8955 2005-07-25  Richard Henderson  <rth@redhat.com>
8956
8957         PR 22626
8958         * tree-complex.c (gate_no_optimization): True if errors.
8959         * Makefile.in (tree-complex.o): Update dependencies.
8960
8961 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8962
8963         * config/frv/predicates.md (integer_register_operand): Use
8964         GPR_AP_OR_PSEUDO_P.
8965
8966 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8967
8968         PR tree-opt/22484
8969         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8970         after fold.
8971         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8972
8973 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8974
8975         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8976         types when flag_unsafe_math_optimizations is true.
8977
8978 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8979
8980         * gcc.c (option_map): Add --sysroot.
8981         (process_command): Handle --sysroot.
8982         (display_help): Document it.
8983         * doc/cppopts.tex (-isysroot): Document.
8984         * doc/invoke.texi (--sysroot): Document.
8985         * doc/install.texi (--with-build-sysroot): Document.
8986
8987         * Makefile.in (inhibit_libc): New variable.
8988         (INHIBIT_LIBC_CFLAGS): Likewise.
8989         (LIBGCC2_CFLAGS): Include
8990         $(INHIBIT_LIBC_CFLAGS).
8991         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8992         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8993         ($(T)crtend.o): Likewise.
8994         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8995         ($(T)crtendS.o): Likewise.
8996         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8997         ($(T)crtendT.o): Likewise.
8998         (stmp-fixinc): Do not complain about missing headers if
8999         inhibit_libc.
9000         * configure.ac (inhibit_libc): Set it to true/false.
9001         (--with-build-sysroot): New option.  Use it to set
9002         SYSTEM_HEADER_DIR.
9003         * configure: Regenerated.
9004
9005 2005-07-25  Manfred Hollstein  <mh@suse.com>
9006
9007         * calls.c (store_one_arg): Fix unsigned comparison warning.
9008
9009 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9010
9011         PR other/22337
9012         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9013         (ggc_print_statistics): Initialize variable before use.
9014
9015 2005-07-25  Richard Guenther  <rguenther@suse.de>
9016
9017         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9018         calling with a PHI_NODE argument.
9019
9020         * tree-flow-inline.h (overlap_subvar): Protect against
9021         possible overflow.
9022
9023 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9024
9025         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9026         * configure: Regenerate.
9027
9028 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9029
9030         * expr.c (highest_pow2_factor): Make extern.
9031         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9032         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9033         record_array_differ_p, array_ptr_differ_p): Likewise.
9034         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9035         additional cases. Call the above functions.
9036         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9037         base_object_differ_p when there are two base objects. Otherwise, compare
9038         base address and offset. Call may_alias_p.
9039         (dump_data_reference): Use a correct field name.
9040         (analyze_array): Make static. Initialize new data-ref fields.
9041         (analyze_indirect_ref): New function.
9042         (init_data_ref): Initialize new data-ref fields.
9043         (strip_conversion): Moved from tree-vect-analyze.c.
9044         (analyze_offset_expr, get_ptr_offset, address_analysis,
9045         object_analysis): Likewise.
9046         (analyze_offset): New function.
9047         (create_data_ref): Likewise.
9048         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9049         dimensions for ARRAY_REFs only.
9050         (build_classic_dist_vector): Make static.
9051         (access_functions_are_affine_or_constant_p): Call macro to get the
9052         address of access functions.
9053         (compute_all_dependences): Add new parameter
9054         compute_self_and_read_read_dependences. Compute self and read-read
9055         dependences if it is true.
9056         (find_data_references_in_loop): Call create_data_ref. Initialize new
9057         data-ref fields.
9058         (compute_data_dependences_for_loop): Add new parameter
9059         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9060         compute nb_loops. Call compute_all_dependences,
9061         build_classic_dist_vector and build_classic_dir_vector with correct
9062         parameters.
9063         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9064         with correct parameters. Compare dimensions for ARRAY_REFs only.
9065         (free_data_refs): Call macro to free access functions.
9066         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9067         fields from stmt_vinfo.
9068         (struct base_object_info): New structure.
9069         (struct data_reference): Move fields to base_object_info. Add fields
9070         first_location and object_info for above structures. Move fields from
9071         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9072         aligned_to.  Add macros to access the new fields.
9073         Update functions declarations.
9074         * tree-flow.h (is_aliased_with): Declare.
9075         * tree-loop-linear.c (linear_transform_loops): Call
9076         compute_data_dependences_for_loop with correct parameters.
9077         * tree-ssa-alias.c (is_aliased_with): New function.
9078         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9079         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9080         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9081         vect_base_addr_differ_p, compute_subscript_distance and
9082         build_classic_dist_vector. Add printings. Check absolute value of
9083         distance.
9084         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9085         data-refs.
9086         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9087         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9088         to bytes. Add printing.
9089         (vect_compute_data_refs_alignment): Go through loads and stores in one
9090         loop.
9091         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9092         vect_analyze_data_ref_access): Likewise.
9093         (vect_analyze_pointer_ref_access): Remove.
9094         (vect_address_analysis, vect_object_analysis): Likewise.
9095         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9096         and analyze data-refs in the loop.
9097         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9098         fields of data-ref instead of stmt. Add init to the offset from the
9099         base.
9100         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9101         (vect_update_init_of_dr): Likewise.
9102         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9103         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9104         removed fields.
9105         (new_loop_vec_info): Initialize new fields.
9106         (destroy_loop_vec_info): Free new fields.
9107         (vect_strip_conversion): Remove.
9108         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9109         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9110         datarefs. Add new field ddrs.
9111         Add macros for the new fields access.
9112         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9113         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9114         Remove their macros.
9115         * tree.h (highest_pow2_factor): Declare.
9116
9117 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9118
9119         * calls.c (store_one_arg): Check for sibling call MEM arguments
9120         from already clobbered incoming argument area.
9121
9122 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9123
9124         * c-common.c (check_missing_format_attribute): New.
9125         * c-common.h (check_missing_format_attribute): Likewise.
9126         * c-typeck.c (convert_for_assignment): Use it.
9127
9128 2005-07-24  Andreas Schwab  <schwab@suse.de>
9129
9130         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9131         register use a word move.  Correct operand of ext.w in 68000 code.
9132
9133 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9134
9135         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9136         variables as declarations, rather than definitions.
9137
9138 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9139
9140         PR tree-optimization/22526
9141         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9142         of the zero node.
9143
9144 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9145
9146         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9147         that C99 reserve for future use. Use it to define clog10,
9148         clog10f and clog10l.
9149
9150 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9151
9152         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9153         * configure.ac: Check for -Wmissing-format-attribute.
9154
9155         * configure: Regenerate.
9156
9157 2005-07-23  Richard Henderson  <rth@redhat.com>
9158
9159         PR tree-optimization/22623
9160         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9161
9162 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9163
9164         PR target/22577
9165         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9166
9167 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9168
9169         * Makefile.in (C_TREE_H): Update dependencies.
9170         * c-tree.h: Include toplev.h.
9171         * diagnostic.h (diagnostic_set_info): Add format attribute.
9172         * rtl-error.c (diagnostic_for_asm): Likewise.
9173
9174 2005-07-23  Chao-ying Fu  <fu@mips.com>
9175
9176         * config/mips/mips-dsp.md: New file.
9177         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9178         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9179         functions.
9180         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9181         MIPS_BUILTIN_BPOSGE32.
9182         (mips_expand_builtin_direct): Add one parameter to indicate that
9183         builtin functions need to return a value.
9184         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9185         functions.
9186         (mips_regno_to_class): Add classes for 12 new DSP registers.
9187         (mips_subword): Change to check four HI registers.
9188         (mips_output_move): Output move to and from 6 new DSP accumulators.
9189         (override_options): Make sure -mdsp and -mips16 are not used together.
9190         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9191         for machine modes.
9192         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9193         when !TARGET_DSP.
9194         (print_operand): Add 'q' for printing DSP accumulators.
9195         (mips_cannot_change_mode_class): Check ACC_REGS.
9196         (mips_secondary_reload_class): Check ACC_REGS.
9197         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9198         (mips_register_move_cost): Check ACC_REGS.
9199         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9200         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9201         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9202         (dsp_bdesc): New array.
9203         (bdesc_arrays): Add DSP builtin function table.
9204         (mips_prepare_builtin_arg): Check predicate again after
9205         copy_to_mode_reg.
9206         (mips_expand_builtin): Add one more parameter to
9207         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9208         MIPS_BUILTIN_BPOSGE32.
9209         (mips_init_builtins): Initialize new function types.
9210         (mips_expand_builtin_direct): Check if builtin functions need to
9211         return a value and pass operands properly.
9212         (mips_expand_builtin_bposge): New function.
9213         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9214         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9215         (FIRST_PSEUDO_REGISTER): Increase to 188.
9216         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9217         Update for 12 new DSP registers.
9218         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9219         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9220         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9221         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9222         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9223         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9224         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9225         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9226         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9227         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9228         (REGISTER_NAMES): Add names for 12 new DSP registers.
9229         * config/mips/mips.md: Include mips-dsp.md.
9230         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9231         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9232         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9233         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9234         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9235         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9236         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9237         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9238         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9239         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9240         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9241         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9242         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9243         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9244         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9245         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9246         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9247         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9248         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9249         (UNSPEC_RDDSP): New constants.
9250         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9251         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9252         A<-d alternative.
9253         * config/mips/mips.opt (-mdsp): New option.
9254         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9255         (reg_imm10_operand): New predicates.
9256         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9257         * doc/invoke.texi (-mdsp): Document new option.
9258
9259 2005-07-22  DJ Delorie  <dj@redhat.com>
9260
9261         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9262         to warning calls.
9263         * tree-inline.c (inlinable_function_p): Likewise.
9264
9265 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9266
9267         PR debug/21828
9268         * toplev.c (check_global_declarations): Do not mark undefined
9269         variables as DECL_IGNORED_P.
9270         * varasm.c (first_global_object_name): GTY it.
9271         (weak_global_object_name): Likewise.
9272         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9273         a string to go into {weak,first}_global_object_name.
9274
9275 2005-07-22  DJ Delorie  <dj@redhat.com>
9276
9277         * c-format.c (check_function_format): Change warning control
9278         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9279
9280 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9281
9282         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9283         &PTR->FLD a dereference of PTR.
9284         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9285         a potential dereference of PTR.
9286
9287 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9288
9289         PR rtl-optimization/20370
9290         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9291         call allocate_reg_info if necessary.
9292
9293         PR rtl-optimization/21848
9294         * calls.c (emit_library_call_value_1): For const functions, add
9295         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9296
9297         PR rtl-optimization/22445
9298         * cselib.c (target.h): Include.
9299         (rtx_equal_for_cselib_p): Allow commutative matches.
9300         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9301         Remove MODE parameter.  Changed all callers.
9302
9303         PR rtl-optimization/22258
9304         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9305         New functions.
9306         (try_combine): Use likely_spilled_retval_p.
9307
9308 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9309
9310         * config.gcc: Add crx-elf support.
9311
9312         * doc/contrib.texi: Mention crx.
9313         * doc/extend.texi: Document crx extensions.
9314         * doc/install.texi: Document crx install.
9315         * doc/invoke.texi: Document crx options.
9316         * doc/md.texi: Document crx constraints.
9317
9318         * config/crx/crx-protos.h: New file.
9319         * config/crx/crx.c: New file.
9320         * config/crx/crx.h: New file.
9321         * config/crx/crx.md: New file.
9322         * config/crx/crx.opt: New file.
9323         * config/crx/t-crx: New file.
9324
9325 2005-07-22  Manfred Hollstein  <mh@suse.com>
9326
9327         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9328         warnings.
9329         (int_add_graph_edge): Likewise.
9330         (collapse_nodes): Likewise.
9331         (process_unification_queue): Likewise.
9332
9333 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9334             Laurent GUERBY  <laurent@guerby.net>
9335
9336         PR tree-optimization/22336
9337         * function.c (record_block_change): Check for
9338         cfun->ib_boundaries_block.
9339
9340 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9341
9342         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9343         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9344
9345 2005-07-21  DJ Delorie  <dj@redhat.com>
9346
9347         * toplev.c (warn_deprecated_use): Add warning control to warning
9348         call.
9349         * c-typeck.c (parser_build_binary_op): Likewise.
9350         (c_finish_if_stmt): Likewise.
9351         * c-common.c (check_function_sentinel): Likewise.
9352         (check_nonnull_arg): Likewise.
9353
9354 2005-07-21  Richard Henderson  <rth@redhat.com>
9355
9356         PR tree-opt/22504
9357         * tree-complex.c (complex_ssa_name_components): New.
9358         (cvc_lookup): Allow entry not found.
9359         (create_components): Remove.
9360         (create_one_component_var, get_component_var): New.
9361         (get_component_ssa_name, set_component_ssa_name): New.
9362         (extract_component): Use get_component_ssa_name.
9363         (update_complex_components): Use set_component_ssa_name.
9364         (update_complex_components_on_edge): Likewise.
9365         (update_phi_components): Create new PHI nodes directly, instead
9366         of adding insns to edges.
9367         (tree_lower_complex): Allocate and free complex_variable_components
9368         and complex_ssa_name_components here.
9369
9370 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9371
9372         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9373         revert to returning false.
9374
9375 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9376
9377         PR target/21149
9378         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9379
9380 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9381
9382         PR target/22576
9383         * config/i386/i386.md (cmpxf): Change operand constraints
9384         to "nonmemory_operand".
9385
9386 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9387
9388         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9389
9390 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9391
9392         PR middle-end/21180
9393         * fold-const.c (fold_build1): Add checksum for the operands.
9394         (fold_build2): Likewise.
9395         (fold_build3): Likewise.
9396
9397 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9398
9399         PR middle-end/19055
9400         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9401
9402 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9403
9404         * common.opt (-fforward-propagate): Committed by mistake,
9405         removed.
9406
9407 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9408
9409         * reg-stack.c: Fix comment typo(s).
9410         * tree-ssa-operands.c: Likewise.
9411         * tree-vectorizer: Likewise.
9412
9413 2005-07-21  Nick Clifton  <nickc@redhat.com>
9414
9415         * config/sh/symbian.c: Replace C++ style line comments with C
9416         style line comments.
9417         (symbian_add_attribute): Do not use a ? operator on the LHS of
9418         an assignment.
9419         (sh_symbian_handle_dll_attribute): Change the type of the
9420         method vector to "VEC(tree,gc)*" and use vector accessor
9421         macros to walk over the elements.
9422         (symbian_export_vtable_and_rtti_p): Likewise.
9423         (symbian_class_needs_attribute_p): Likewise.
9424
9425 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9426
9427         PR target/22085
9428         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9429         initialize targetm.resolve_overloaded_builtin here.
9430         (altivec_expand_overloaded_builtin): Make it non-static.
9431         * config/rs6000/rs6000-protos.h
9432         (altivec_expand_overloaded_builtin): New prototype.
9433         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9434         targetm.resolve_overloaded_builtin here.
9435         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9436
9437 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9438             Zdenek Dvorak  <dvorakz@suse.cz>
9439
9440         PR tree-optimization/19210
9441         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9442         New.
9443         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9444         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9445         rely on unproven assumptions.
9446         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9447         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9448         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9449         to number_of_iterations_exit.
9450         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9451         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9452         * tree-ssa-loop-niter.c (find_loop_niter,
9453         estimate_numbers_of_iterations_loop): Likewise.
9454         (number_of_iterations_exit): Honor the new options.
9455         * doc/invoke.texi (Wunsafe-loop-optimizations,
9456         funsafe-loop-optimizations): Document them.
9457
9458 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9459
9460         PR rtl-optimization/22167
9461         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9462
9463 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9464
9465         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9466         __do_global_dtors_aux longcall.
9467
9468 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9469
9470         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9471         (old_special_pred_table): Don't reference
9472         SPECIAL_MODE_PREDICATES.
9473         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9474         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9475         * config/sh/predicates.h: Don't mention
9476         SPECIAL_MODE_PREDICATES.
9477         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9478         Remove.
9479
9480 2005-07-20  DJ Delorie  <dj@redhat.com>
9481
9482         * config.gcc: Add m32c-elf support.
9483
9484         * doc/contrib.texi: Mention m32c.
9485         * doc/extend.texi: Document m32c extensions.
9486         * doc/install.texi: Mention m32c.
9487         * doc/invoke.texi: Document m32c options.
9488         * doc/md.texi: Document m32c constraints.
9489
9490         * config/m32c/addsub.md: New file.
9491         * config/m32c/bitops.md: New file.
9492         * config/m32c/cond.md: New file.
9493         * config/m32c/jump.md: New file.
9494         * config/m32c/m32c-lib1.S: New file.
9495         * config/m32c/m32c-lib2.c: New file.
9496         * config/m32c/m32c-modes.def: New file.
9497         * config/m32c/m32c-pragma.c: New file.
9498         * config/m32c/m32c-protos.h: New file.
9499         * config/m32c/m32c.abi: New file.
9500         * config/m32c/m32c.c: New file.
9501         * config/m32c/m32c.h: New file.
9502         * config/m32c/m32c.md: New file.
9503         * config/m32c/m32c.opt: New file.
9504         * config/m32c/minmax.md: New file.
9505         * config/m32c/mov.md: New file.
9506         * config/m32c/muldiv.md: New file.
9507         * config/m32c/predicates.md: New file.
9508         * config/m32c/prologue.md: New file.
9509         * config/m32c/shift.md: New file.
9510         * config/m32c/t-m32c: New file.
9511
9512 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9513
9514         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9515         (stack_protect_set, stack_protect_test): New expanders.
9516         (stack_protect_set_si, stack_protect_set_si_media,
9517         stack_protect_set_di_media, stack_protect_test_si,
9518         stack_protect_test_si_media, stack_protect_test_di_media):
9519         New insns.
9520
9521 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9522
9523         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9524
9525 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9526
9527         * tree.h (tree_expr_nonzero_p): Export.
9528         * fold-const.c (tree_expr_nonzero_p): Likewise.
9529         Return true for CALL_EXPRs that are alloca calls.
9530         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9531         against zero.
9532         * tree-flow.h (expr_computes_nonzero): Remove.
9533         * tree-vrp.c (expr_computes_nonzero): Remove.
9534         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9535         (extract_range_from_unary_expr): Likewise.
9536         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9537         tree_expr_nonzero_p.
9538
9539 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9540
9541         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9542         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9543         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9544         All callers changed.
9545         (frame_related_constant_load): New arg "related" which controls
9546         setting of RTX_FRAME_RELATED_P.  All callers changed.
9547         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9548         (bfin_expand_prologue): Add stack limit checking.
9549         * config/bfin/bfin.md (trapifcc): New pattern.
9550
9551         * config/bfin/bfin.c: Include "langhooks.h".
9552         (def_builtin): Go through lang_hooks to call builtin_function.
9553
9554         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9555         * config/bfin/predicates.md (symbol_ref_operand): New.
9556         (call_insn_operand): Delete.  All callers changed to use
9557         register_no_elim_operand.
9558         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9559         call_cookie field.
9560         (function_arg): Use it to generate the call's operand 2.
9561         (bfin_longcall_p): New function.
9562         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9563         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9564         determine if the address needs to be in a REG.
9565         (bfin_handle_longcall_attribute): New function.
9566         (bfin_attribute_table): Add "longcall" and "shortcall".
9567         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9568         (CUMULATIVE_ARGS): New member call_cookie.
9569         (PREDICATE_CODES): Add symbol_ref_operand.
9570         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9571         extra USE to the pattern.
9572         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9573         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9574         sibcall_value_insn; now the new patterns handle direct calls and the
9575         old ones indirect calls.
9576         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9577
9578 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9579
9580         * doc/trouble.texi: Update section on handling of empty loops.
9581
9582 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9583
9584         * config.gcc: Remove support for sparc-*-openbsd*,
9585         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9586         ns32k-*-netbsd*.
9587         * config.host: Remove support for i860-*-sysv4* as a host.
9588         * config/i860/*, config/ip2k/*, config/ns32k/*,
9589         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9590         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9591         mention obsolete ports.
9592
9593 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9594
9595         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9596         soft frame pointer.
9597         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9598         of frame_pointer_rtx.
9599         (sh_expand_epilogue): Likewise.
9600         (sh_set_return_address): Likewise.
9601         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9602         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9603         offsets from FRAME_POINTER_REGNUM.
9604         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9605         (sh_register_names): Add initializer for sfp.
9606         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9607         (VALID_REGISTER_P): Likewise.
9608         (FIRST_PSEUDO_REGISTER): Update.
9609         (DWARF_FRAME_REGISTERS): Define.
9610         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9611         (HARD_FRAME_POINTER_REGNUM): Define.
9612         (FRAME_POINTER_REGNUM): Redefine.
9613         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9614         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9615         from FRAME_POINTER_REGNUM.
9616         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9617         FRAME_POINTER_REGNUM.
9618         (REG_CLASS_CONTENTS): Add sfp.
9619         (REG_ALLOC_ORDER): Likewise.
9620         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9621         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9622         of frame_pointer_rtx.
9623         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9624
9625 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9626
9627         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9628         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9629         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9630         of an ABS_EXPR.
9631         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9632         ABS_EXPR<x>.
9633
9634 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9635
9636         Make CONSTRUCTOR use VEC to store initializers.
9637         * c-common.c (complete_array_type): Update to cope with VEC in
9638         CONSTRUCTOR_ELTS.
9639         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9640         (pp_c_constructor_elts): New function.
9641         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9642         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9643         struct constructor_stack, struct initializer_stack,
9644         constructor_elements, push_init_level, pop_init_level,
9645         add_pending_init, find_init_member, output_init_element): Update to
9646         cope with VEC in CONSTRUCTOR_ELTS.
9647         * coverage.c (build_fn_info_value, build_ctr_info_value,
9648         build_gcov_info): Likewise.
9649         * expr.c (categorize_ctor_elements_1, store_constructor,
9650         expand_expr_real_1): Likewise.
9651         * fold-const.c (fold_ternary): Likewise.
9652         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9653         gimplify_init_constructor, gimplify_expr): Likewise.
9654         * tree-dump.c (dequeue_and_dump): Likewise.
9655         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9656         node.
9657         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9658         CONSTRUCTOR_ELTS.
9659         * tree-sra.c (generate_element_init_1): Likewise.
9660         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9661         * tree-ssa-operands.c (get_expr_operands): Likewise.
9662         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9663         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9664         (get_initial_def_for_reduction): Likewise.
9665         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9666         value handle in annotations.
9667         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9668         tree_node_structure): Add support for constr_kind.
9669         (build_vector_from_ctor, build_constructor_single,
9670         build_constructor_from_list): New functions.
9671         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9672         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9673         Update to cope with VEC in CONSTRUCTOR_ELTS.
9674         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9675         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9676         CONSTRUCTOR_APPEND_ELT): New macros.
9677         (struct constructor_elt, struct tree_constructor): New data types.
9678         (union tree_node): Add tree_constructor field.
9679         * treestruct.def: Define TS_CONSTRUCTOR.
9680         * varasm.c (const_hash_1, compare_constant, copy_constant,
9681         compute_reloc_for_constant, output_addressed_constants,
9682         initializer_constant_valid_p, output_constant,
9683         array_size_for_constructor, output_constructor): Update to cope with
9684         VEC in CONSTRUCTOR_ELTS.
9685         * vec.h (VEC_empty, VEC_copy): New macros.
9686
9687 2005-07-19  Devang Patel  <dpatel@apple.com>
9688
9689         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9690
9691 2005-07-19  Richard Henderson  <rth@redhat.com>
9692
9693         PR tree-opt/22278
9694         * gimplify.c (gimplify_expr): Use main variant type for the temp
9695         destination for a discarded volatile read.
9696         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9697         casts between non-void types that change volatility.
9698
9699 2005-07-15  DJ Delorie  <dj@redhat.com>
9700
9701         * toplev.h: Add comment about the first parameter for warning().
9702         * errors.h: Likewise.
9703
9704         * c.opt (Wpragmas): New.
9705         * doc/invoke.texi: Document it.
9706
9707         * function.c (do_warn_unused_parameter): Add warning control to
9708         warning call.
9709         * c-decl.c (warn_if_shadowing): Likewise.
9710         * c-lex.c (cb_def_pragma): Likewise.
9711         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9712         (pop_alignment): Likewise.
9713         (handle_pragma_pack): Likewise.
9714         (apply_pragma_weak): Likewise.
9715         (handle_pragma_weak): Likewise.
9716         (handle_pragma_redefine_extname): Likewise.
9717         (add_to_renaming_pragma_list): Likewise.
9718         (handle_pragma_extern_prefix): Likewise.
9719         (maybe_apply_renaming_pragma): Likewise.
9720         (handle_pragma_visibility): Likewise.
9721
9722         * config/c4x/c4x-c.c (BAD): Likewise.
9723         (c4x_parse_pragma): Likewise.
9724         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9725         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9726         (rs6000_pragma_longcall): Likewise.
9727         * config/v850/v850-c.c (pop_data_area): Likewise.
9728         (ghs_pragma_section): Likewise.
9729         (ghs_pragma_section): Likewise.
9730         (ghs_pragma_interrupt): Likewise.
9731         (ghs_pragma_starttda): Likewise.
9732         (ghs_pragma_startsda): Likewise.
9733         (ghs_pragma_startzda): Likewise.
9734         (ghs_pragma_endtda): Likewise.
9735         (ghs_pragma_endsda): Likewise.
9736         (ghs_pragma_endzda): Likewise.
9737
9738 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9739             Kenneth Zadeck <zadeck@naturalbridge.com>
9740
9741         * Makefile.in: Removed tree-promote-statics.c
9742         * tree-promote-statics.c: Removed.
9743         * common.opt: Removed flag-promote-statics.
9744         * opts.c: Ditto.
9745         * passes.c: Removed tree-promote-statics pass.
9746         * tree-pass.h: Ditto.
9747         * timevar.def: Removed TV_PROMOTE_STATICS.
9748
9749
9750 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9751
9752         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9753         and *-*-freebsd9.
9754         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9755
9756 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9757
9758         PR c/22476
9759         * c-common.c (check_function_arguments): Call
9760         'check_function_format' if either -Wformat or
9761         -Wmissing-format-attribute are specified.
9762         * c-format.c (check_function_format): Check -Wformat before
9763         calling 'check_format_info'.
9764         * c-opts.c (c_common_post_options): Don't warn for
9765         -Wmissing-format-attribute without -Wformat.
9766         * c-typeck.c (convert_for_assignment): Detect additional cases for
9767         -Wmissing-format-attribute.
9768         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9769         behavior.
9770
9771 2005-07-19  Richard Guenther  <rguenther@suse.de>
9772
9773         * config/i386/i386.md (lrint<mode>2): Use temporary
9774         instead of clobbering non-existent memory.
9775
9776 2005-07-19  Nick Clifton  <nickc@redhat.com>
9777
9778         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9779         statement to avoid displaying ASCII control characters.
9780
9781 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9782
9783         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9784         * cfganal.c (find_edge_index): Ditto.
9785         * combine.c (combine_instructions): Ditto.
9786         * ddg.c (create_scc): Ditto.
9787         (find_successors): Ditto.
9788         (find_predecessors): Ditto.
9789         (find_nodes_on_paths): Ditto.
9790         (longest_simple_path): Ditto.
9791         * flow.c (update_life_info): Ditto.
9792         (count_or_remove_death_notes): Ditto.
9793         (clear_log_links): Ditto.
9794         * modulo-sched.c (generate_reg_moves): Ditto.
9795         (find_max_asap): Ditto.
9796         (find_max_hv_min_mob): Ditto.
9797         (find_max_dv_min_mob): Ditto.
9798         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9799         * sched-rgn.c (extract_edgelst): Ditto.
9800         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9801         (dump_update_ssa): Ditto.
9802         (ssa_names_to_replace) Ditto.
9803         (switch_virtuals_to_full_rewrite): Ditto.
9804         (update_ssa): Ditto.
9805         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9806
9807 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9808
9809         Fix PR tree-optimization/22483
9810
9811         * tree-complex.c (create_components): Use
9812         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9813         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9814         * tree-flow.h (safe_referenced_var_iterator): New structure.
9815         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9816         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9817         safe_referenced_var iterator.
9818         (add_type_alias): Ditto.
9819
9820 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9821
9822         * loop-init.c (rest_of_handle_loop2): Remove.
9823         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9824         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9825         (pass_rtl_loop_init, pass_rtl_loop_done,
9826         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9827         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9828         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9829         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9830         pass_tree_loop_done, and pass_tree_unswitch.
9831         (gate_loop): Rename to gate_tree_loop.
9832         * passes.c (init_optimization_passes): Update for renamed tree
9833         loop passes.  Add the new loop2 passes as subpasses of loop2.
9834         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9835         Update for the renamed tree loop passes.
9836
9837 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9838
9839         PR middle-end/22057
9840         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9841         blocks when optimizing.
9842
9843 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9844
9845         * common.opt (frename-registers): Initialize to 2.
9846         (fweb): Ditto.
9847         (fgcse-after-reload): Ditto.
9848         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9849         (process_options): Only change flag_web, flag_rename_registers,
9850         and flag_rerun_cse_after_loop if not explicitly set by user.
9851
9852 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9853
9854         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9855         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9856         in 64-bit mode the same as DImode in 32-bit mode.
9857         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9858         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9859         mode. Add new mode parameter.
9860         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9861         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9862         x86_64_shift_adj): New expanders.
9863         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9864         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9865         insns.
9866         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9867         DImode shift splitters.
9868         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9869         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9870         mode parameter.
9871
9872 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9873
9874         * i386.md (movdi_extzv_1): New.
9875         (zero_extendhidi2): Combine alternatives and never force use of
9876         REX64 prefix.
9877         (zero_extendqidi2): Likewise. Don't restrict input selection.
9878
9879 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9880
9881         Fix PR tree-optimization/22531
9882         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9883          moment.
9884
9885 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9886
9887         * tree-promote-statics.c (pass_promote_statics): Change dump file
9888          name.
9889
9890 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9891
9892         * tree-optimize.c (init_tree_optimization_passes): Add
9893         pass_eliminate_useless_stores pass.
9894         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9895         * tree-ssa-pre.c (is_copy_stmt): New function.
9896         (follow_copies_till_vuse): Ditto.
9897         (do_eustores): Ditto.
9898         (gate_eustores): Ditto.
9899
9900 2005-07-16  Richard Henderson  <rth@redhat.com>
9901
9902         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9903
9904 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9905            Kenneth Zadeck <zadeck@naturalbridge.com>
9906
9907         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9908         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9909         ipa-type-escape.h, tree-promote-statics.c
9910         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9911         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9912         tree-promote-statics.c: new files.
9913         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9914         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9915         int nonlocal_set_p, mark_constant_function): Deleted.
9916         (rest_of_handle_cfg): Removed call to mark_constant_function.
9917         (nonoverlapping_component_refs_p): Added calls to support
9918         type based aliasing.
9919         * tree-ssa-alias.c (may_alias_p,
9920         compute_flow_insensitive_aliasing): Ditto.
9921         * calls.c (flags_from_decl_or_type): Removed reference to
9922         cgraph_rtl_info.
9923         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9924         too many arguments.  This is necessary for Spec 2000.
9925         * cgraph.h (const_function, pure_function): Removed.
9926         * common.opt: Added "fipa-pure-const", "fipa-reference",
9927         "fipa-type-escape", and "ftree-promote-static".
9928         * opts.c: Ditto.
9929         * passes.c: Added ipa and tree-promote-statics passes.
9930         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9931         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9932         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9933         * tree-flow.h: Added exposed sra calls and addition of
9934         reference_vars_info field for FUNCTION_DECLS.
9935         * tree-pass.h: Added passes.
9936         * tree-sra.c: (sra_init_cache): New function.
9937         (sra_insert_before, sra_insert_after) Made public.
9938         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9939         and made public.
9940         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9941         aliasing. (may_alias_p): Added code to use type escape analysis to
9942         improve alias sets.
9943         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9944         code to prune clobbers of static variables based on information
9945         produced in ipa-reference pass.  Changed call clobbering so that
9946         statics are not marked as clobbered if the call does not clobber
9947         them.
9948
9949 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9950
9951         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9952         too.
9953
9954 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9955
9956         * doc/install.texi (*-*-solaris2*): Document recommended version
9957         of GNU binutils and mention GNU linker problem on Solaris 10.
9958
9959 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9960
9961         PR c/22421
9962         * c-decl.c (c_build_bitfield_integer_type): New function.
9963         (finish_struct): Call it.
9964         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9965
9966 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9967
9968         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9969         before returning.
9970
9971 2005-07-16  Jan Hubicka  <jh@suse.cz>
9972
9973         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9974         (scale_bbs_frequencies_int): Watch roundoff errors.
9975         * predict.c (return_prediction): Initialize return_stmt.
9976
9977 2005-07-16  Jan Hubicka  <jh@suse.cz>
9978
9979         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9980         after RTL profiling.
9981
9982 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9983
9984         PR middle-end/22398
9985         * fold-const.c (build_range_check): Convert high/low to etype
9986         if we are only comparing against exp.
9987
9988 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9989
9990         Fix PR tree-optimization/22376
9991         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9992         special var here.
9993         (need_to_solve): New function.
9994         (compute_points_to_sets): Use it.
9995
9996 2005-07-15  Jan Hubicka  <jh@suse.cz>
9997
9998         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9999         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10000
10001 2005-07-15  Richard Guenther  <rguenther@suse.de>
10002
10003         * c-common.c (handle_flatten_attribute): New function.
10004         Add flatten function attribute.
10005         * doc/extend.texi: Document flatten function attribute.
10006         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10007         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10008         New functions.
10009         (cgraph_decide_inlining): Handle functions with flatten
10010         attribute.
10011
10012 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10013
10014         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10015         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10016         UNSPEC_XCHG, UNSPEC_AND): New.
10017         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10018         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10019         * config/rs6000/sync.md (FETCHOP): New code macro.
10020         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10021         New code attrs.
10022         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10023         (sync_compare_and_swap<mode>): Same.
10024         (sync_lock_test_and_set<mode>): Same.
10025         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10026         for QImode and HImode, and not PPC405.
10027         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10028         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10029         (sync_<fetchop>{si,di}_internal): New.
10030         (sync_nand{si,di}_internal): New.
10031         (sync_old_<fetchop>{si,di}_internal): New.
10032         (sync_old_nand{si,di}_internal): New
10033         (sync_new_<fetchop>{si,di}_internal): New.
10034         (sync_new_nand{si,di}_internal): New.
10035         (atomic_and{si,di}): New.
10036         (sync_new_nand{si,di}_internal): New.
10037         (atomic_and{si,di}): New.
10038         (sync_add<mode>_internal): Delete.
10039         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10040         (sync_sub<mode>_internal): Delte.
10041         (sync_subshort_internal): New.
10042         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10043         (sync_anddi_internal): Delete.
10044         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10045         (sync_booldi_internal): Delete.
10046         (sync_boolc<mode>_internal): Delete.
10047         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10048         (sync_boolc<mode>_internal2): Delete.
10049         (sync_boolcc<mode>_internal): Delete.
10050         (isync, lwsync): Use unspec instead of unspec_volatile.
10051         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10052         Revert UNSPEC_VOLATILE.
10053         (rs6000_split_atomic_op): New.
10054         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10055
10056 2005-07-14  Eric Christopher  <echristo@redhat.com>
10057
10058         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10059         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10060
10061 2005-07-14  Eric Christopher  <echristo@redhat.com>
10062
10063         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10064
10065 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10066
10067         PR tree-optimization/22230
10068         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10069         the computation of the four cross productions for "range op range".
10070
10071 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10072             Ulrich Weigand  <uweigand@de.ibm.com>
10073
10074         PR target/20126
10075         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10076         in some insn.
10077
10078 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10079
10080         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10081
10082 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10083
10084         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10085
10086 2005-07-14  Richard Guenther  <rguenther@suse.de>
10087
10088         PR middle-end/22347
10089         * config/i386/i386-protos.h (ix86_function_value): Change
10090         prototype to match new target hook.
10091         * config/i386/i386.c (ix86_value_regno): Change prototype
10092         to take extra type argument.
10093         (TARGET_FUNCTION_VALUE): Define.
10094         (ix86_function_ok_for_sibcall): Pass extra argument to
10095         ix86_value_regno, check return slot rtx for exact match.
10096         (ix86_function_value): Take extra parameter.  Dispatch to
10097         ix86_value_regno with fndecl/fntype as provided.
10098         (ix86_value_regno): Handle extra type argument.
10099         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10100
10101         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10102         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10103         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10104         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10105         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10106
10107 2005-07-14  Richard Guenther  <rguenther@suse.de>
10108
10109         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10110         * calls.c (expand_call): Pass fntype to hard_function_value.
10111         (emit_library_call_value_1): Likewise.
10112         * explow.c: Include target.h.
10113         (hard_function_value): Take extra argument, the fntype.
10114         Use new target hook for function_value.
10115         * expr.h (hard_function_value): Change prototype.
10116         * function.c (aggregate_value_p): Pass 0 as fntype to
10117         hard_function_value.
10118         (assign_parms): Use new target hook for function_value.
10119         Pass 0 as fntype to hard_function_value.
10120         (expand_function_end): Likewise.
10121         * reg-stack.c: Include target.h.
10122         (stack_result): Use new target hook for function_value.
10123         * target-def.h: New target hook function_value.
10124         * target.h: Likewise.
10125         * targhooks.c (default_function_value): New function.
10126         * targhooks.h (default_function_value): Declare.
10127
10128 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10129
10130         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10131
10132 2005-07-14  Jan Hubicka  <jh@suse.cz>
10133
10134         * tree-dfa.c (dump_variable): Use default_def function.
10135         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10136         * tree-ssa.c (verify_use): Likewise.
10137         * tree-ssanames.c (release_ssa_name): Likewise.
10138         * tree-tailcall.c (eliminate_tail_call): Likewise.
10139         (tree_optimize_tail_calls_1): Likewise.
10140         * tree-vrp.c (get_value_range): Likewise.
10141
10142 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10143
10144         * gcc.c (main): Compare language[0] with '*' when iterating over
10145         the infiles.
10146
10147 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10148
10149         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10150         "s390_emit_compare".  Add handling of CCZ1mode.
10151         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10152         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10153         checking.
10154         (s390_branch_condition_mask): Add CCZ1mode handling.
10155         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10156         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10157         Use CCZ1mode instead of CCZmode.
10158         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10159
10160 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10161
10162         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10163         pattern.
10164         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10165
10166 2005-07-13  Eric Christopher  <echristo@redhat.com>
10167
10168         * config/mips/mips.c (mips_canonicalize_comparison): New.
10169         (mips_emit_int_relational): Use.
10170
10171 2005-07-13  Eric Christopher  <echristo@redhat.com>
10172
10173         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10174         static extra parts.
10175         * config/s390/s390.md: Include tpf.md. Move tpf specific
10176         patterns...
10177         * config/s390/tpf.md: To here.
10178         * config/s390/s390.opt: Move tpf specific options...
10179         * config/s390/tpf.opt: to here. Add mmain option.
10180         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10181         * config/s390/tpf.h: Rewrite.
10182
10183 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10184
10185         * doc/tm.texi: Remove @xref{Cross-profiling}.
10186
10187 2005-07-13  Jeff Law  <law@redhat.com>
10188
10189         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10190         expressions, test their _DECL operands for pointer equality rather
10191         than using operand_equal_p.
10192
10193 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10194
10195         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10196         (TARGET_POSIX_IO): This.
10197         * config/darwin.h: Likewise.
10198         * config/freebsd.h: Likewise.
10199         * config/linux.h: Likewise.
10200         * config/lynx.h: Likewise.
10201         * config/netbsd.h: Likewise.
10202         * config/rs6000/linux64.h: Likewise.
10203         * config/rs6000/linux.h: Likewise.
10204         * config/s390/tpf.h: Likewise.
10205         * config/sh/embed-elf.h: Likewise.
10206         * config/sparc/linux64.h: Likewise.
10207         * config/sparc/linux.h: Likewise.
10208         * config/svr4.h: Likewise.
10209         * gcov-io.h: Likewise.
10210
10211         * doc/tm.texi: Updated.
10212
10213         * libgcov.c (create_file_directory): Defined only if
10214         TARGET_POSIX_IO is defined.
10215         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10216         is defined.
10217
10218 2005-07-13  Jan Hubicka  <jh@suse.cz>
10219
10220         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10221
10222 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10223
10224         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10225         structure as argument.
10226
10227 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10228
10229         PR tree-optimization/21921
10230         * tree-iterator.c (tsi_link_before): Support the case when
10231         tsi_end_p (tsi) == true.
10232
10233 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10234
10235         PR tree-optimization/22442
10236         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10237         correctly.
10238
10239 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10240
10241         PR rtl-optimization/20376
10242         * toplev.c (process_options): Enable -fweb and -frename-registers when
10243         unrolling.
10244         * doc/invoke.texi: Update the information about when -fweb and
10245         -frename-registers are enabled.
10246
10247 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10248
10249         PR tree-opt/21840
10250         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10251         if *rhs_p is not a SSA_NAME.
10252
10253 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10254
10255         Fix PR tree-optimization/22422
10256         * tree-ssa-structalias.c (struct variable_info): Add flag for
10257         special vars.
10258         (get_varinfo): Now a static function.
10259         (new_varinfo): init has_union and is_special_var to false.
10260         (solution_set_add): Check has_union.
10261         (do_da_constraint): Move temporary variable so it gets reset
10262         properly.
10263         Also check for special variable.
10264         (do_ds_constraint): Ditto.
10265         (do_sd_constraint): Ditto.
10266         (do_structure_copy): Check for special variable.
10267         (find_func_aliases): Ditto.
10268         (init_base_vars): Set special vars properly.
10269
10270 2005-07-13  Jan Hubicka  <jh@suse.cz>
10271
10272         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10273         do unit-at-a-time.
10274
10275         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10276         (get_expr_operands): Fix thinko wrt flags and subvars.
10277
10278         PR tree-optimize/22379
10279         * tree-inline.c (expand_call_inline): Do not output sorry in early
10280         inlining.
10281
10282 2005-07-12  Dale Johannesen  <dalej@apple.com>
10283
10284         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10285
10286 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10287
10288         PR bootstrap/21704
10289         * host-linux.h: Include limits.h.
10290
10291 2005-07-12  Dale Johannesen  <dalej@apple.com>
10292
10293         * expr.c (compress_float_constant):  Add cost check.
10294         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10295
10296 2005-07-12  Dale Johannesen  <dalej@apple.com>
10297
10298         * gcc.target/i386/compress-float-sse.c:  New.
10299         * gcc.target/i386/compress-float-sse-pic.c:  New.
10300         * gcc.target/i386/compress-float-387.c:  New.
10301         * gcc.target/i386/compress-float-387-pic.c:  New.
10302         * gcc.dg/compress-float-ppc.c:  New.
10303         * gcc.dg/compress-float-ppc-pic.c:  New.
10304
10305 2005-07-12  Eric Christopher  <echristo@redhat.com>
10306
10307         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10308         static extra parts.
10309         * config/s390/s390.md: Include tpf.md. Move tpf specific
10310         patterns...
10311         * config/s390/tpf.md: To here.
10312         * config/s390/s390.opt: Move tpf specific options...
10313         * config/s390/tpf.opt: to here. Add mmain option.
10314         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10315         * config/s390/tpf.h: Rewrite.
10316
10317 2005-07-12  Eric Christopher  <echristo@redhat.com>
10318
10319         * gcc.c (struct infile): Update comment for language.
10320         (main): Rewrite input file resetting code.
10321
10322 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10323
10324         PR tree-opt/22335
10325         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10326         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10327         (lookup_avail_expr): Use constant_boolean_node instead
10328         of boolean_false_node/boolean_true_node.
10329
10330 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10331
10332         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10333         and use it when printing num_edges.
10334
10335 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10336
10337         * doc/extend.texi (Blackfin Built-in Functions): New section.
10338         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10339         @opindex.
10340
10341 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10342
10343         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10344         s/cmpstrsi/cmpstrnsi
10345         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10346         'cmpstrnsi'.
10347         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10348         (init_optabs): Initialize cmpstrn_optab.
10349         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10350         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10351         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10352         * config/i386/i386.md: s/cmpstr/cmpstrn
10353         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10354         * doc/md.texi: Update documentation.
10355
10356 2005-07-11  Richard Henderson  <rth@redhat.com>
10357
10358         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10359         build_va_arg_indirect_ref.
10360         (alpha_gimplify_va_arg): Likewise.
10361         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10362         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10363         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10364         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10365         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10366         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10367         Likewise.
10368         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10369
10370 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10371
10372         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10373         * passes.c (init_optimization_passes): Add pass_empty_loop.
10374         * tree-pass.h (pass_empty_loop): Declare.
10375         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10376         try_remove_empty_loop, remove_empty_loops): New functions.
10377         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10378         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10379
10380 2005-07-12  Peter Barada  <peter@the-baradas.com>
10381
10382         PR middle-end/16719
10383         PR middle-end/18421
10384         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10385         in address registers.
10386         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10387         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10388         alternative of addsi3_5200.
10389
10390 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10391
10392         * config/mips/mips.md (ffs<mode>2): Remove.
10393
10394 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10395
10396         * doc/tree-ssa.texi (Cleanups): Improve description of
10397         TRY_FINALLY_EXPR.
10398         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10399
10400 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10401
10402         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10403         * tree.h (DECL_ARGUMENT_FLD): New macro.
10404
10405 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10406
10407         Fix PR tree-optimization/22404
10408
10409         * tree-ssa-structalias.c (create_variable_info_for): Use
10410         correct offset.
10411
10412 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10413
10414         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10415         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10416         for second comparison operand.
10417         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10418
10419         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10420         (define_insn_reservation "alu"): Likewise.
10421         (csync, ssync): Now of type sync.
10422         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10423         -mcsync-anomaly -mspecld-anomaly.
10424         * config/bfin/bfin.opt (mcsync): Remove.
10425         (mcsync-anomaly, mspecld-anomaly): Add.
10426         * config/bfin/bfin.c: Include "insn-codes.h".
10427         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10428         (TARGET_DEFAULT_TARGET_FLAGS): New.
10429         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10430
10431 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10432
10433         * basic-block.h: Give the BB flags enum a name, bb_flags.
10434         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10435         * cfgcleanup.c (enum bb_flags): Remove here.
10436         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10437         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10438         (update_forwarder_flag): Likewise.
10439         (thread_jump): Likewise.
10440         (try_forward_edges): Likewise.
10441         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10442         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10443         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10444
10445 2005-07-11  Richard Guenther  <rguenther@suse.de>
10446
10447         * config/i386/i386.opt: New target option -msseregparm.
10448         * config/i386/i386.c (override_options): Error out for
10449         -msseregparm but no SSE support.
10450         (ix86_function_sseregparm): Check for global sseregparm.
10451         * doc/invoke.texi: Document -msseregparm.
10452
10453 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10454
10455         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10456         (m32rle-*-linux*): Ditto.
10457
10458 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10459
10460         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10461         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10462         bytes.
10463
10464 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10465
10466         PR middle-end/22239
10467         PR target/20126
10468         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10469         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10470
10471 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10472
10473         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10474         (varmap): Heapify varmap.
10475         (constraints): Heapify constraints.
10476         (struct constraint_graph): Heapify succs and preds.
10477         (constraint_vec_find): Update for heapification.
10478         (constraint_set_union): Ditto.
10479         (insert_into_complex): Ditto.
10480         (constraint_edge_vec_find): Ditto.
10481         (erase_graph_self_edge): Ditto.
10482         (add_graph_edge): Ditto.
10483         (get_graph_weights): Ditto.
10484         (merge_graph_nodes): Ditto.
10485         (build_constraint_graph): Ditto.
10486         (topo_visit): Ditto.
10487         (solve_graph): Ditto.
10488         (create_variable_info_for): Ditto.
10489         (init_base_vars): Ditto.
10490         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10491         (condese_varmap_nodes): Free complex vector.
10492         (clear_edges_for_node): Clear succs and preds vector.
10493
10494 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10495
10496         * tree-ssa-structalias.c (update_alias_info): Change counting of
10497         references to not include vdefs.
10498
10499 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10500
10501         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10502         (up_insert): Ditto.
10503
10504 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10505
10506         * pa.c (pa_commutative_p): Make PLUS commutative when
10507         TARGET_NO_SPACE_REGS is true.
10508
10509 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10510
10511         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10512         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10513         * tree-dfa.c (dump_subvars_for): New.
10514         (debug_subvars_for): New.
10515         (dump_variable): Show subvariables if VAR has them.
10516         * tree-flow-inline.h (get_subvar_at): New.
10517         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10518         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10519         Update all users.
10520         (struct subvar): Change fields offset and size to unsigned
10521         HOST_WIDE_INT.
10522         (dump_subvars_for): Declare.
10523         (debug_subvars_for): Declare.
10524         (get_subvar_at): Declare.
10525         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10526         to unsigned HOST_WIDE_INT *.
10527         (overlap_subvar): Likewise.
10528         * tree-gimple.c (is_gimple_reg): Always return false for
10529         SFTs and memory tags.
10530         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10531         Update all callers.
10532         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10533         (compute_may_aliases): Call compute_points_to_sets.
10534         (collect_points_to_info_for): Remove.
10535         (compute_points_to_and_addr_escape): Remove.
10536         (delete_alias_info): Call delete_points_to_sets.
10537         (compute_flow_sensitive_aliasing): If the call to
10538         find_what_p_points_to returns false, call set_pt_anything.
10539         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10540         (set_pt_anything): Clear pi->pt_vars.
10541         (set_pt_malloc): Remove.
10542         (merge_pointed_to_info): Remove.
10543         (add_pointed_to_expr): Remove.
10544         (add_pointed_to_var): Remove.
10545         (collect_points_to_info_r): Remove.
10546         (is_escape_site): Make extern.
10547         (create_sft): New.
10548         (create_overlap_variables_for): Call it.
10549         * tree-ssa-copy.c (merge_alias_info): Never merge
10550         flow-sensitive alias information.
10551         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10552         offset and size to be unsigned HOST_WIDE_INT.
10553         (add_to_addressable_set): Rename from note_addressable.
10554         Set TREE_ADDRESSABLE as the variables are added to the set.
10555         Update all users.
10556         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10557         operands into VUSEs when adding V_MAY_DEFs for members in an
10558         alias set.
10559         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10560         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10561         (struct variable_info): Add bitfield is_heap_var.
10562         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10563         (new_var_info): Initialize is_heap_var.
10564         (get_constraint_for): Add HEAP variables to the symbol table.
10565         Mark them with is_heap_var.
10566         (update_alias_info): New.  Taken mostly from the old
10567         compute_points_to_and_addr_escape.
10568         (handle_ptr_arith): New.
10569         (find_func_aliases): Call update_alias_info.
10570         Call handle_ptr_info for tcc_binary expressions.
10571         Call mark_stmt_modified.
10572         (create_variable_info_for): If DECL has subvars, do not create
10573         variables for its subvars.  Always add all the fields.
10574         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10575         SFTs, then add all the SFTs of the structure.
10576         If VI->DECL is an aggregate with subvariables, add the SFT at
10577         VI->OFFSET.
10578         (find_what_p_points_to): If VI is an artificial variable,
10579         translate to bitfields in SSA_NAME_PTR_INFO.
10580         If the solution is empty, set pi->pt_vars to NULL
10581         (init_base_vars): Create ANYOFFSET.
10582         (compute_points_to_sets): Rename from create_alias_vars.
10583         Make extern.
10584         (pass_build_pta): Remove.
10585         (delete_points_to_sets): Rename from delete_alias_vars.
10586         (pass_del_pta): Remove.
10587         * tree-ssa-structalias.h (struct alias_info): Move from
10588         tree-ssa-alias.h.
10589         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10590         NUM_REFERENCES_SET): Likewise.
10591         (compute_points_to_sets, delete_points_to_sets): Declare.
10592
10593 2005-07-09  Richard Henderson  <rth@redhat.com>
10594
10595         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10596         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10597         alpha_split_lock_test_and_set_12): New functions.
10598         * config/alpha/alpha-protos.h: Update.
10599         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10600         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10601         * config/alpha/sync.md (I12MODE): New.
10602         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10603         (sync_<fetchop_name><I48MODE>): Likewise.
10604         (sync_nand<I48MODE>): Likewise.
10605         (sync_old_<fetchop_name><I48MODE>): Likewise.
10606         (sync_new_<fetchop_name><I48MODE>): Likewise.
10607         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10608         (sync_compare_and_swap<I48MODE>): Likewise.
10609         (sync_lock_test_and_set<I48MODE>): Likewise.
10610         (sync_compare_and_swap<I12MODE>): New.
10611         (sync_compare_and_swap<I12MODE>_1): New.
10612         (sync_lock_test_and_set<I12MODE>): New.
10613         (sync_lock_test_and_set<I12MODE>_1): New.
10614
10615 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10616
10617         PR 21356
10618         PR 22332
10619         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10620
10621 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10622
10623         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10624         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10625
10626 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10627
10628         PR target/21656
10629         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10630
10631 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10632
10633         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10634         memory_operand constraint.
10635         (store_conditional_<mode>): Same.
10636         (sync_compare_and_swap<mode>): Same.
10637         (sync_lock_test_and_set<mode>): Same.
10638
10639 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10640
10641         Rewrite PIC support to more closely model actual instructions.
10642         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10643         (cris_symbol): Remove prototypes for removed functions.
10644         (cris_pic_symbol_type_of, cris_valid_pic_const)
10645         (cris_expand_pic_call_address): Prototypes for new functions.
10646         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10647         variable.
10648         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10649         modifiers.
10650         <case ':'>: Add case for new punctuation character.
10651         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10652         emitting (extra) PIC modifier.
10653         <case UNSPEC>: Do not assert for PLT.
10654         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10655         (cris_expand_prologue, cris_expand_epilogue): Check
10656         for pic_offset_table_rtx usage instead of taking
10657         current_function_uses_pic_offset_table as the final word.
10658         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10659         Remove flag_pic difference.
10660         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10661         the moral equivalents of...
10662         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10663         functions.
10664         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10665         (cris_handle_option): Mark ARG as unused.
10666         (cris_expand_pic_call_address): New worker function for "call",
10667         "call_value".
10668         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10669         output PIC constructs here.
10670         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10671         as symbol-specific modifers, not whole or part of operands.
10672         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10673         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10674         constants and flag_pic.
10675         (CONSTANT_INDEX_P): Adjust for new functions.
10676         (enum cris_pic_symbol_type): New helper type.
10677         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10678         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10679         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10680         define_constants.
10681         ("movsi"): Emit actual instructions for GOT and relative access.
10682         ("*movsi_got_load"): New pattern to set up the register holding
10683         the GOT pointer.
10684         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10685         Adjust FIXME for 'S'.
10686         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10687         Use "movs" for -fpic cases.
10688         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10689         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10690         ("call", "call_value"): Just call cris_expand_pic_call_address for
10691         PIC addresses.
10692         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10693         Remove special pattern.
10694         ("*expanded_call_side", "*expanded_call_value_side"): New
10695         patterns.
10696         (gotplt-to-plt, gotplt-to-plt-side-call)
10697         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10698         peephole2:s.
10699         * config/cris/cris/predicates.md
10700         ("cris_general_operand_or_gotless_symbol"): Remove unused
10701         predicate.
10702         ("cris_general_operand_or_symbol"): Adjust for new functions.
10703
10704 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10705
10706         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10707
10708 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10709
10710         * Makefile.in (TREE_H): Add treestruct.def.
10711         (c-decl.o): Add pointer-set.h
10712         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10713         visibility on regular DECL's.
10714         (merge_decls): Fix the copying of decl nodes of various types for
10715         the new structures.  Don't update RTL, section name, weak status,
10716         etc, on DECL's without RTL.
10717         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10718         Don't check volatile on non-variable types.
10719         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10720         to check whether we have seen arguments.
10721         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10722         flag is checked before field (flag is common, field is not).
10723         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10724         TS_DECL_COMMON could have an origin.
10725         (add_location_or_const_value_attribute): Don't check section name
10726         on non-var/function decls.
10727         (dwarf2out_var_location): Reverse order of tests.
10728         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10729         with DECL_WRTL_CHECK.
10730         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10731         * fold-const.c (fold_binary): Don't check weakness on
10732         non-var/function decls.
10733         (tree_expr_nonzero_p): Ditto.
10734         (fold_checksum_tree): Use tree_decl_extra as sizeof
10735         buffer.
10736         * ggc-page.c (extra_order_size_table): Add sizes for
10737         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10738         tree_field_decl.
10739         * gimplify.c (gimplify_bind_expr): Only set
10740         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10741         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10742         without RTL.
10743         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10744         * langhooks.h (init_ts). New langhook.
10745         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10746         * print-tree.c (print_node): Update to only print fields that
10747         exist in the structures the passed decl has.
10748         * toplev.c (wrapup_global_declarations): Don't reset
10749         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10750         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10751         * tree-inline.c (remap_decl): Ditto.
10752         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10753         * tree-pretty-print.c (print_declaration): Don't print
10754         DECL_REGISTER on things that don't contain it.
10755         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10756         non-var/function decls.
10757         * tree.c (tree_contains_struct): New structure.
10758         (init_priority_for_decl): New hashtable.
10759         (tree_int_map): New structure.
10760         (tree_int_map_eq): New function.
10761         (tree_int_map_marked_p): Ditto.
10762         (tree_int_map_hash): Ditto.
10763         (tree_map): Move to tree.h.
10764         (tree_map_eq): Externalize.
10765         (tree_map_hash): Ditto.
10766         (tree_map_marked_p): Ditto.
10767         (init_ttree): Set up tree_contains_struct and call langhook.
10768         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10769         (tree_code_size): Update for new structures.
10770         (tree_node_structure): Update for new structures.
10771         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10772         without the field.
10773         (copy_node_stat):  Copy init priority.
10774         (build_decl_stat): Ditto for visibility.
10775         (ts_enum_names): New.
10776         (tree_contains_struct_check_failed): New function.
10777         (decl_init_priority_lookup): Ditto.
10778         (decl_init_priority_insert): Ditto.
10779         * treestruct.def: New file.
10780         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10781         (CONTAINS_STRUCT_CHECK): Ditto.
10782         (tree_contains_struct_check_failed): New prototype.
10783         (DECL_CHECK): Removed.
10784         (DECL_MINIMAL_CHECK): New.
10785         (DECL_COMMON_CHECK): Ditto.
10786         (DECL_WRTL_CHECK): Ditto.
10787         (DECL_NON_COMMON_CHECK): Ditto.
10788         (DECL_WITH_VIS_CHECK): Ditto.
10789         (VAR_OR_FUNCTION_DECL_P): Ditto
10790         (struct tree_decl_minimal): New structure.
10791         (struct tree_decl_common): Ditto.
10792         (struct tree_decl_with_rtl): Ditto.
10793         (struct tree_decl_with_vis): Ditto.
10794         (struct tree_decl_non_common): Ditto.
10795         (struct tree_field_decl): Ditto.
10796         (struct tree_parm_decl): Ditto.
10797         (struct tree_var_decl): Ditto.
10798         (struct tree_function_decl): Ditto.
10799         (struct tree_const_decl): Ditto.
10800         (struct tree_result_decl): Ditto.
10801         (union tree_node): Add new structures.
10802         * var-tracking.c (track_expr_p): Reverse order of tests.
10803
10804         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10805
10806 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10807
10808         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10809         * system.h: Poison FINALIZE_PIC.
10810         * doc/tm.texi (FINALIZE_PIC): Remove.
10811
10812 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10813
10814         PR tree-opt/22329
10815         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10816         to the correct type if we have a MODIFY_EXPR.
10817
10818 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10819
10820         PR tree-optimization/22360
10821         * tree.c (upper_bound_in_type): Fix calculations for casting
10822         to a non-wider signed type and casting a signed value to a
10823         wider unsigned type.
10824         (lower_bound_in_type): Fix calculations for casting to a
10825         non-wider signed type.
10826
10827         PR tree-optimization/20139
10828         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10829         release_defs.
10830         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10831         fold_cond_expr_cond.
10832         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10833         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10834
10835 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10836
10837         PR tree-opt/22356
10838         * tree-complex.c (expand_complex_libcall): Produce
10839         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10840
10841 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10842
10843         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10844         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10845         b" assert and inserted fastpath code for this case.
10846         (bitmap_ior): Removed "a != b" assert.
10847
10848 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10849
10850         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10851         (ENDFILE_SPEC): Likewise.
10852         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10853
10854         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10855         a large stack frame at epilogue.
10856
10857 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10858
10859         * final.c: Include sdbout.h when required.
10860
10861 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10862
10863         * config.gcc (*-*-darwin*): Only one target-specific header file
10864         for generic darwin.
10865         (powerpc-*-darwin*): Add version-specific header files.
10866         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10867         * config.in: Regenerate.
10868         * configure: Regenerate.
10869         * gcc.c: Include xregex.h.
10870         (version_compare_spec_function): New.
10871         (spec_function): Add version-compare.
10872         (replace_outfile_spec_function): Reformat comment.
10873         (compare_version_strings): New.
10874         * config/darwin-c.c (version_as_macro): New.
10875         (builtin_define): New.
10876         (darwin_cpp_builtins): New.
10877         * config/darwin-protos.h (darwin_cpp_builtins): New.
10878         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10879         (LIB_SPEC): Make unconditional, update comment.
10880         (TARGET_C99_FUNCTIONS): Define.
10881         * config/darwin.opt: Sort.
10882         (mmacosx-version-min=): New.
10883         * config/darwin7.h: Delete.
10884         * config/darwin8.h: Delete.
10885         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10886         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10887         (TARGET_C99_FUNCTIONS): Define.
10888         * config/rs6000/darwin7.h: New.
10889         * config/rs6000/darwin8.h: New.
10890         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10891         (-mmacosx-version-min): Document.
10892
10893 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10894
10895         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10896
10897 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10898
10899         PR middle-end/22239
10900         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10901
10902 2005-07-07  Khem Raj  <kraj@mvista.com>
10903
10904         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10905         in bytes, not words.
10906
10907 2005-07-07  Paul Brook  <paul@codesourcery.com>
10908
10909         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10910         DEFAULT_FUNCTION_ARG_PADDING to upward.
10911
10912 2005-07-07  Richard Henderson  <rth@redhat.com>
10913
10914         * function.c (locate_and_pad_parm): Record parameter alignment in
10915         stack_alignment_needed.
10916
10917 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10918
10919         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10920         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10921         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10922         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10923         (define_attr "type"): Add isync, sync, load_l, store_c.
10924         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10925         Create scratch volatile MEM.
10926         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10927         sync.
10928         (load_locked_<mode>): New.
10929         (store_conditional_<mode>): New.
10930         (sync_compare_and_swap<mode>): Replace with splitter.
10931         (sync_lock_test_and_set<mode>): Replace with splitter.
10932         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10933         and UNSPECV_ISYNC.
10934         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10935         is ics.  Attribute isync.
10936         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10937         lwsync.
10938         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10939         and UNSPECV_SYNC_OP.
10940         (emit_unlikely_jump): New.
10941         (emit_load_locked): New.
10942         (emit_store_conditional): New.
10943         (rs6000_split_compare_and_swap): New.
10944         (rs6000_split_lock_test_and_set): New.
10945         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10946         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10947         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10948         rs6000_split_lock_test_and_set): Declare.
10949         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10950         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10951         store_c, isync, sync.
10952
10953 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10954
10955         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10956         filenames to gtyp-gen.h.
10957         (s-typ-gen): Use it in place of for loops.
10958
10959 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10960
10961         * hooks.c (hook_bool_rtx_int_false): New function.
10962         * hooks.h (hook_bool_rtx_int_false): Declare.
10963         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10964         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10965         * target.h (struct gcc_target): Add commutative_p member.
10966         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10967         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10968         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10969         (pa_commutative_p): New function.
10970         * jump.c (target.h): Include.
10971         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10972         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10973
10974 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10975
10976         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10977         (s390_expand_setmem): New.
10978         * config/s390/s390.c: Likewise.
10979         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10980         Adapt comments.
10981         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10982         general_operand.  Call new function "s390_expand_setmem".
10983         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10984         ("setmem_long", "*setmem_long"): ... this.
10985
10986 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10987
10988         * config/s390/s390.c: (optimization_options): Enable
10989         TARGET_MVCLE at -Os.
10990         * doc/invoke.texi: Document changes in default behaviour.
10991         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10992
10993 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10994
10995         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10996         defined by back-end.
10997
10998 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10999
11000         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11001         all sets in the pattern.
11002         * config/rs6000/rs6000.md (stack_protect_testsi,
11003         stack_protect_testdi): Likewise.
11004
11005 2005-07-06  Jeff Law  <law@redhat.com>
11006
11007         * tree-vrp.c (simplify_using_ranges): Kill.
11008         (vrp_finalize): Remove call to simplify_using_ranges.
11009         (simplify_stmt_using_ranges): New function extracted from
11010         simplify_using_ranges.
11011         (simplify_div_or_mod_using_ranges): Likewise.
11012         (simplify_abs_using_ranges): Likewise.
11013         (simplify_cond_using_ranges): New function.
11014         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11015         * tree-ssa-propagate.c (substitute_and_fold): Call
11016         simplify_stmt_using_ranges if we have range information.
11017
11018 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11019
11020         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11021         ia64_flag_schedule_isns2.
11022
11023         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11024         reading/writing general registers.
11025         (ia64_function_arg): Revert 2005-06-18 change.
11026
11027 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11028
11029         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11030         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11031
11032 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11033
11034         * function.c (expand_function_end): Revert part of 2005-06-27
11035         patch.  Do sjlj_emit_function_exit_after after return_label.
11036
11037 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11038
11039         * doc/install.texi (--disable-libssp): New.
11040
11041 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11042
11043         * doc/invoke.texi: Update -fforce-mem documentation.
11044         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11045         code for -fforce-mem.
11046         * expmed.c: (store_bit_field,store_fixed_bit_field,
11047         extract_bit_field): Ditto.
11048         * expr.c: (convert_move): Ditto.
11049         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11050         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11051         emit_conditional_add,expand_float,expand_fix): Ditto.
11052         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11053         (common_handle_option): Issue warning when -fforce-mem specified.
11054
11055 2005-07-06  Paul Brook  <paul@codesourcery.com>
11056
11057         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11058         argument is empty.
11059         * configure: Regenerate.
11060
11061 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11062
11063         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11064
11065 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11066
11067         Fix PR tree-optimization/22319
11068         Fix PR tree-optimization/22140
11069         Fix PR tree-optimization/22310
11070
11071         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11072         variable sized types.
11073         Use correct type for intermediate structure on *a = *b structure
11074         copies.
11075
11076 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11077
11078         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11079         Remove.
11080         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11081         (machine_function): Move typedef to...
11082         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11083         varargs_save_offset field.
11084         (rs6000_stack_t): Remove varargs_size field.
11085         (setup_incoming_varargs): Allocate varargs save area using
11086         assign_stack_local, try to make it as small as possible.
11087         Save offset from virtual_stack_vars_rtx to the save area
11088         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11089         instead of magic 8 when fp word byte size is used.
11090         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11091         instead of -RS6000_VARARGS_SIZE.
11092         (rs6000_stack_info, debug_stack_info,
11093         rs6000_initial_elimination_offset): Remove all traces of
11094         varargs_size.
11095         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11096         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11097         RS6000_VARARGS_AREA.
11098
11099 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11100
11101         PR tree-optimization/21963
11102         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11103         constant_multiple_of in the same way get_computation_cost_at does.
11104
11105 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11106
11107         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11108         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11109         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11110         and return its previous value.
11111         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11112         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11113         constants.
11114         (stack_protect_set, stack_protect_test): New expanders.
11115         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11116         stack_protect_testdi): New insns.
11117         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11118         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11119
11120 2005-07-06  Jeff Law  <law@redhat.com>
11121
11122         * tree-ssa-dce.c (cfg_altered): New global.
11123         (tree_dce_init): Initialize cfg_altered.
11124         (remove_dead_stmt): If we remove an edge in the CFG, then set
11125         CFG_ALTERED.
11126         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11127         the dominators.
11128
11129 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11130
11131         * Makefile.in (stamp-collect-ld): Use
11132         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11133         ./collect-ld if it already exists.
11134         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11135         Don't remove ./nm if it already exists.
11136
11137 2005-07-05  Devang Patel  <dpatel@apple.com>
11138
11139         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11140         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11141         * tree-vectorizer.c (vect_loop_location): New.
11142         (vect_print_dump_info): Use vect_loop_location.
11143         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11144         (vectorize_loops): Set vect_loop_location.
11145         * tree-vect-analyze.c (vect_analyze_offset_expr,
11146         vect_determin_vectorization_factor, vect_analyze_operations,
11147         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11148         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11149         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11150         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11151         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11152         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11153         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11154         vect_analyze_loop): Adjust vect_print_dump_info API.
11155         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11156         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11157         vect_finish_stmt_generation, vectorizable_assignment,
11158         vectorizable_operation, vectorizable_store, vectorizable_load,
11159         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11160         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11161         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11162         vect_transform_loop): Same.
11163         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11164         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11165         Same.
11166
11167 2005-07-05  Randolph Chung  <tausq@debian.org>
11168
11169         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11170         * configure: Regenerate.
11171         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11172         (pa_tls_referenced_p): Declare.
11173         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11174         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11175         (legitimize_tls_address): New.
11176         (hppa_legitimize_address): Handle TLS addresses.
11177         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11178         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11179         (emit_move_sequence): Handle TLS addresses.
11180         (pa_encode_section_info): Call default handler to handle common
11181         sections.
11182         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11183         (CONSTANT_ADDRESS_P): Reject TLS operands.
11184         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11185         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11186         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11187         (UNSPEC_TLSLE): Define new constants.
11188         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11189         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11190         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11191         (tie_symbolic_operand, tle_symbolic_operand): New
11192
11193 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11194
11195         * aclocal.m4: Update macros for autoconf 2.59 style.
11196         * configure.ac: Likewise.
11197
11198 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11199
11200         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11201         (function_arg): Pass small aggregates in general registers on 32-bit
11202         targets.
11203         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11204
11205 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11206
11207         * Makefile.in (final.o): Fix dependencies.
11208
11209 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11210
11211         PR c/22013
11212         PR c/22098
11213         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11214         * langhooks.c (lhd_expr_to_decl): New.
11215         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11216         New.
11217         (LANG_HOOKS_INITIALIZER): Update.
11218         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11219         expr_to_decl langhook.
11220         * c-tree.h (c_expr_to_decl): Declare.
11221         * c-typeck.c (c_expr_to_decl): New.
11222         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11223         specially.
11224         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11225
11226 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11227
11228         PR c/22308
11229         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11230         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11231
11232 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11233
11234         * Makefile.in: Adjust dependencies.
11235         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11236         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11237         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11238         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11239         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11240         rest_of_compilation.
11241
11242         * bb-reorder.c (gate_duplicate_computed_gotos,
11243         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11244         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11245         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11246         pass_partition_blocks): New.
11247         * bt-load.c (gate_handle_branch_target_load_optimize,
11248         rest_of_handle_branch_target_load_optimize,
11249         pass_branch_target_load_optimize): New.
11250         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11251         pass_jump2): New.
11252         * cfglayout.c (pass_insn_locators_initialize): New.
11253         * cfgrtl.c (pass_free_cfg): New.
11254         * combine.c (gate_handle_combine, rest_of_handle_combine,
11255         pass_combine): New.
11256         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11257         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11258         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11259         * except.c (pass_set_nothrow_function_flags,
11260         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11261         pass_rtl_eh): New.
11262         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11263         rest_of_handle_shorten_branches, pass_shorten_branches,
11264         rest_of_clean_state, pass_clean_state): New.
11265         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11266         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11267         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11268         pass_flow2): New.
11269         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11270         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11271         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11272         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11273         pass_gcse): New.
11274         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11275         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11276         pass_rtl_ifcvt, gate_handle_if_after_combine,
11277         rest_of_handle_if_after_combine, pass_if_after_combine,
11278         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11279         pass_if_after_reload): New.
11280         * integrate.c (pass_initial_value_sets): New.
11281         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11282         pass_purge_lineno_notes): New.
11283         * mode-switching.c (rest_of_handle_mode_switching,
11284         pass_mode_switching): New.
11285         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11286         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11287         pass_loop2): New.
11288         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11289         pass_loop_optimize): New.
11290         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11291         pass_sms): New.
11292         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11293         pass_gcse2): New.
11294         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11295         pass_postreload_cse): New.
11296         * profile.c (gate_handle_profiling, pass_profiling,
11297         rest_of_handle_branch_prob, pass_branch_prob): New.
11298         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11299         pass_split_before_regstack, gate_handle_split_before_regstack,
11300         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11301         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11302         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11303         pass_stack_regs): New.
11304         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11305         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11306         pass_stack_adjustments): New.
11307         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11308         pass_regrename): New.
11309         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11310         pass_delay_slots, gate_handle_machine_reorg,
11311         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11312         * rtl.h (extern void purge_line_number_notes): New.
11313         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11314         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11315         pass_sched2): New.
11316         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11317         pass_tracer): New.
11318         * value-prof.c (gate_handle_value_profile_transformations,
11319         rest_of_handle_value_profile_transformations,
11320         pass_value_profile_transformations): New.
11321         * var-tracking.c (gate_handle_var_tracking,
11322         pass_variable_tracking): New.
11323         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11324
11325         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11326         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11327         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11328         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11329         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11330         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11331         rest_of_handle_gcse2, rest_of_handle_regmove,
11332         rest_of_handle_tracer, rest_of_handle_if_conversion,
11333         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11334         rest_of_handle_web, rest_of_handle_branch_prob,
11335         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11336         rest_of_handle_jump_bypass, rest_of_handle_combine,
11337         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11338         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11339         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11340         rest_of_handle_mode_switching, rest_of_handle_jump,
11341         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11342         rest_of_handle_flow2, rest_of_handle_jump2,
11343         rest_of_handle_peephole2, rest_of_handle_postreload,
11344         rest_of_handle_shorten_branches, rest_of_clean_state,
11345         rest_of_compilation): Remove.
11346
11347         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11348         * passes.c (dump_flags, in_gimple_form, all_passes,
11349         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11350         register_dump_files, next_pass_1, last_verified, execute_todo,
11351         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11352         from tree-optimize.c.
11353         (init_optimization_passes): Moved from tree-optimize.c,
11354         adding the RTL optimizations.
11355         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11356         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11357         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11358         register_dump_files, next_pass_1, last_verified, execute_todo,
11359         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11360         init_tree_optimization_passes, ipa_passes): Delete.
11361         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11362         the RTL dumps.
11363         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11364         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11365         from tree.h.
11366         (ipa_passes): Remove.
11367         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11368         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11369         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11370         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11371         (dump_info_p, dump_flag): Moved to tree-dump.h.
11372
11373         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11374         cgraph.c, opts.c.
11375         * passes.c (finish_optimization_passes): Use dump_begin
11376         and dump_end, TDI_end.
11377         (gate_rest_of_compilation): New.
11378         (pass_rest_of_compilation): Use it.
11379         (gate_postreload, pass_postreload): New.
11380         * toplev.c (general_init): Rename init_tree_optimization_passes.
11381         * toplev.h (init_tree_optimization_passes): Rename to
11382         init_optimizations_passes.
11383         * tree-dump.c (dump_flag): Make static.
11384         (dump_files): Remove RTL dumps.
11385         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11386         pass_cleanup_cfg, pass_free_cfg_annotations,
11387         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11388         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11389         * tree-pretty-print.c: Include tree-pass.h.
11390         * cgraph.c: Include tree-dump.h.
11391
11392 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11393
11394         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11395         Only fall back to saying it points to readonly memory if
11396         we can't do better.
11397
11398 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11399
11400         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11401         * config/m32r/m32r.c (m32r_compute_frame_size,
11402         m32r_expand_prologue): Take current_function_profile into
11403         account whenever we reference
11404         current_function_uses_pic_offset_table.
11405         (m32r_finalize_pic): Remove.
11406         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11407
11408 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11409
11410         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11411         instead of $<.  Don't remove ./as if it already exists.
11412
11413 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11414
11415         PR target/21723
11416         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11417         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11418         for complex modes when generating code for PA 1.0.
11419         (VALID_FP_MODE_P): New macro.
11420         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11421         sets for all general and floating point modes.  Align wide floating
11422         point modes to even register boundaries to comply with architectural
11423         requirements.
11424         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11425         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11426         (VALID_FP_MODE_P): New macro.
11427         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11428         sets for all general and floating point modes.  Align wide floating
11429         point modes to even register boundaries to comply with architectural
11430         requirements.
11431
11432 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11433
11434         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11435         to 0.
11436
11437 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11438
11439         * tree-ssa-structalias.c: Don't include expr.h.
11440
11441 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11442
11443         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11444         comments.
11445
11446 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11447
11448         Fix PR tree-optimization/22279
11449
11450         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11451         correct operator.
11452
11453 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11454
11455         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11456
11457 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11458
11459         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11460         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11461         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11462         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11463         config/stormy16/stormy16.c, config/v850/v850.c,
11464         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11465         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11466         Avoid "." or "\n" at end of diagnostics and capital letters at
11467         start of diagnostics.
11468         * combine.c, cse.c: Don't translate dump file output.
11469         * toplev.c (print_version): Only translate output if going to
11470         stderr.
11471
11472 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11473
11474         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11475         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11476         typos.
11477
11478 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11479
11480         * pa.c (fix_range): Fix typo in comment.
11481
11482 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11483
11484         * tree-vrp.c (extract_range_from_assert): Replace
11485         fold (build (...)) with fold_build2.
11486
11487 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11488
11489         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11490         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11491         (format_types_orig, handle_format_attribute): Add support for
11492         format "gcc_gfc".
11493
11494 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11495
11496         * varasm.c (assemble_variable): Fix format specifier thinko.
11497
11498 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11499
11500         PR tree-optimization/22029 (and 22135)
11501         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11502         a phi node before calling dump_vops.
11503
11504 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11505
11506         * tree-dump.h (dump_string_field): Declare.
11507         * tree-dump.c: Use it instead of dump_string.
11508         (dump_string_field): Make non-static.
11509
11510 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11511
11512         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11513         up the minimal CFG stuff always when optimize > 0.  Call
11514         split_all_insns_noflow in PIC case if needed.
11515
11516 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11517             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11518
11519         PR c++/18279
11520         * c-decl.c (c_write_global_declarations): Dump contents of
11521         external scope to.
11522         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11523         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11524         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11525         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11526         is enabled.
11527
11528 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11529
11530         * c-common.h (GCC_DIAG_STYLE): Define.
11531         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11532         version for format checking to 4.1.
11533         * c-format.c: Include toplev.h after c-common.h.
11534         (enum format_type): Add gcc_tdiag_format_type.
11535         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11536         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11537         (format_types_orig): Add gcc_tdiag.
11538         (init_dynamic_diag_info): Support gcc_tdiag formats.
11539         (handle_format_attribute): Likewise.
11540         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11541         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11542         version for format checking to 4.1.
11543         (warning0, warning, error, pedwarn, sorry): Use
11544         ATTRIBUTE_GCC_DIAG.
11545         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11546         (finish_aliases_1): Do not use %qE.
11547         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11548         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11549         Correct format bugs.
11550         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11551         parameter to unsigned HOST_WIDE_INT.
11552         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11553
11554 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11555
11556         PR middle-end/21742
11557         * expr.c (write_complex_part): Use adjust_address for MEM.
11558         (read_complex_part): Same.
11559
11560 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11561
11562         Fix PR tree-optimization/22280
11563
11564         * tree-sra.c (generate_element_init): Remove useless loop.
11565
11566 2005-07-02  Richard Henderson  <rth@redhat.com>
11567
11568         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11569         TLS_MODEL_NONE.
11570         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11571
11572 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11573
11574         PR middle-end/14490
11575         * fold-const.c (fold_binary): Handle the return value of
11576         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11577         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11578
11579 2005-07-02  Jeff Law  <law@redhat.com>
11580
11581         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11582         a eliminate type conversion which feeds an equality comparison
11583         if the original type or either operand in the comparison is a
11584         function pointer.
11585
11586 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11587
11588         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11589         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11590         texts.
11591         * config/avr/avr.c: Do not use '`' as left quote.
11592         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11593         Remove "." from end of diagnostics.  Make diagnostics start with
11594         lowercase letter.
11595
11596 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11597             Joseph S. Myers  <joseph@codesourcery.com>
11598
11599         * toplev.c (default_tree_printer): Handle setting location with
11600         '+' flag.
11601         * c-objc.common.c (c_tree_printer): Likewise.
11602         * c-format.c (gcc_diag_flag_specs): Add '+'.
11603         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11604         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11605         formats.
11606         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11607         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11608         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11609         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11610         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11611         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11612         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11613         format arguments where %J is used without %D.
11614
11615 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11616
11617         * gcc.c (LINK_SSP_SPEC): Define.
11618         (link_ssp_spec): New variable.
11619         (LINK_COMMAND_SPEC): Add %(link_ssp).
11620         (static_specs): Add link_ssp_spec.
11621         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11622         * configure: Rebuilt.
11623         * config.in: Rebuilt.
11624
11625         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11626         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11627         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11628         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11629         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11630         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11631         -0x7008(2) instead of reading __stack_chk_guard variable.
11632         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11633         number.
11634         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11635         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11636         if TARGET_THREAD_SSP_OFFSET is defined.
11637         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11638         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11639
11640         Revert:
11641         2005-06-27  Richard Henderson  <rth@redhat.com>
11642         * libgcc-std.ver (GCC_4.1.0): New.
11643         * libgcc.h (__stack_chk_guard): Declare.
11644         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11645         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11646         * mklibgcc.in (lib2funcs): Add them.
11647
11648 2005-07-01  Richard Henderson  <rth@redhat.com>
11649
11650         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11651         void * before struct sigcontext *.
11652         (x86_fallback_frame_state): Likewise.
11653
11654 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11655
11656         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11657
11658 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11659
11660         PR tree-opt/22269
11661         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11662         we check for SSA_NAME for.
11663
11664 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11665
11666         Fix PR tree-optimization/22071
11667
11668         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11669         function.
11670         (get_constraint_for_component_ref): Use it.
11671
11672 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11673
11674         PR other/22264
11675         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11676         print out the last new line.
11677
11678 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11679
11680         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11681         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11682         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11683         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11684         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11685         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11686         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11687         (enum reg_class): New member CC0_REGS.
11688         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11689         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11690         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11691         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11692         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11693         Adjust for register now described.
11694
11695 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11696
11697         PR target/22262
11698         * config/i386/i386.md (stack_protect_test_si,
11699         stack_protect_test_di): Add earlyclobber for scratch 3.
11700         * config/rs6000/rs6000.md (stack_protect_testsi,
11701         stack_protect_testdi): Add earlyclobber for scratch 3,
11702         remove earlyclobber from scratch 4.
11703
11704 Older entries for 2005 can be found in ChangeLog-2005.