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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
2
3         * gcc/config/arm/arm.md: Provide a big-endian version of the
4         (zero_extend:SI (subreg:QI ...)) splitter.
5
6 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
7
8         * struct-equiv.c (note_local_live): Handle hard regs with different
9         hard_regno_nregs.
10
11 2005-12-14  Jeff Law  <law@redhat.com>
12
13         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
14         to a structure containing state rather than a pointer to bool.
15         (case ARRAY_REF): New code to handle folding some array references.
16         (case ADDR_EXPR): Note when we are processing expressions found
17         within an ADDRE_EXPR.
18         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
19         for state variables rather than just a pointer to a boolean.
20         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
21         handling of constant string references.
22
23 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
24
25         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
26         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
27         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
28         Move other tst* patterns to retain partial order.
29
30 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
31
32         * config/s390/s390.md ("d0", "1"): New mode attributes.
33         ("<shift>di3", "<shift>si3"): Merge.
34         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
35         ("ashrdi3", "ashrsi3"): Merge.
36         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
37         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
38         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
39         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
40         ("*ashrdi3", "*ashrsi3"): Merge.
41         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
42
43 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
44
45         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
46         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
47         ("*extendqidi2", "*extendqisi2") Merge.
48         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
49         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
50         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
51         Move some patterns to retain partial ordering.
52
53 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
54
55         * config/s390/s390.md ("atype", "length"): Rewrite.
56         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
57
58 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
59
60         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
61
62 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
63
64         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
65         PARALLELs with a mode.
66
67 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
68
69         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
70         cond_expr parameter.
71
72 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
73
74         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
75
76 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
77
78         PR bootstrap/25397:
79
80         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
81         of STACK_REGS bits.
82
83         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
84
85 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
86
87         PR target/25254
88         PR target/24188
89         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
90         DECL_P, call get_section rather than get_named_section.  Supply
91         section flags to it.
92
93 2005-12-14  Ben Elliston  <bje@au.ibm.com>
94
95         * c-common.c (c_common_truthvalue_conversion): Generalise warning
96         for addresses converted to booleans; not just function addresses.
97         * c-typeck.c (build_binary_op): Warn for address comparisons which
98         can never be NULL (eg. func == NULL or &var == NULL).
99         * common.opt (Walways-true): New option.
100         * c-opts.c (c_common_handle_option): Set it with -Wall.
101         * doc/invoke.texi: Document it.
102
103 2005-12-13  Paul Brook  <paul@codesourcery.com>
104
105         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
106         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
107
108 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
109
110         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
111         (EXTRA_MULTILIB_PARTS): Define.
112
113 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
114
115         PR rtl-optimization/20070 / part1
116         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
117         count_or_remove_death_notes with kill == -1.
118         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
119         registers if PROP_POST_REGSTACK is set.
120         (mark_used_reg): Likewise.
121         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
122         REG_UNUSED notes for stack regs.
123         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
124         to match rtx_equiv_p machinery.  Change caller.
125         (outgoing_edges_match): Likewise.
126         (try_crossjump_to_edge): Use struct_equiv_block_eq
127         instead of flow_find_cross_jump.
128         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
129         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
130         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
131         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
132         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
133         (insns_match_p): Update prototype.
134         (flow_find_cross_jump): Remove prototype.
135         (struct_equiv_block_eq, struct_equiv_init): Declare.
136         (rtx_equiv_p, condjump_equiv_p): Likewise.
137         * struct-equiv.c: Include reload.h.
138         (IMPOSSIBLE_MOVE_FACTOR): Define.
139         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
140         (struct_equiv_improve_checkpoint): Likewise.
141         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
142         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
143         (struct_equiv_merge, find_dying_input): Likewise.
144         (resolve_input_conflict, note_local_live): Likewise.
145         (death_notes_match_p): Change parameters and processing
146         to match rtx_equiv_p machinery.  Change caller.
147         (insns_match_p): Likewise.
148         (flow_find_cross_jump): Replace with:
149         (struct_equiv_block_eq).
150
151         Back out this change:
152         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
153           * recog.c (verify_changes): Make it static.
154           * recog.h: Remove the corresponding prototype.
155
156 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
157
158         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
159         values.
160
161 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
162
163         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
164         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
165         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
166         TARGET_MS1_64_001 appropriately.
167         (ms1_machine_reorg): Use TARGET_MS2.
168
169 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
170
171         PR debug/25023
172         PR target/25293
173         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
174         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
175         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
176         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
177         Set mode to SI, adjust constraints.
178         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
179         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
180         32-bit code.
181
182 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
183
184         * c-cppbuiltin.c (builtin_define_float_constants): Add
185         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
186         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
187         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
188         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
189         to "((double)%sL)" otherwise "%s".
190
191 2005-12-13  Paul Brook  <paul@codesourcery.com>
192
193         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
194         apcs/atpcs.
195
196 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
197
198         * tree-flow.h: Allow compilation with a C++ compiler.
199         (struct edge_prediction): Prefix all field names  with "ep_".
200         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
201         (tree_predict_edge, combine_predictions_for_bb): Likewise.
202         (remove_predictions_associated_with_edge): Likewise.
203         
204 2005-12-12  Jeff Law  <law@redhat.com>
205
206         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
207         reassociation code.
208         * passes.c (init_optimization_passes): Run reassociation again
209         after loop optimizations.
210
211 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
212
213         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
214         if necessary.
215         (optimize_stmt): Ditto.
216         (canonicalize_comparison): New function.
217         * tree-ssa-operands.c (swap_tree_operands): Make external.
218         (get_expr_operands): Stop auto-canonicalization.
219         * tree-ssa-reassoc.c: Rewrite.
220         (init_optimization_passes): 
221         * tree-flow.h (swap_tree_operands): Prototype.
222         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
223
224 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
225
226         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
227         indicate function epilogue has been output.
228         (pa_asm_output_mi_thunk): Likewise.
229         (output_deferred_plabels): Put plabels in readonly data section when
230         not generating PIC code.
231         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
232         information.  Add assert.
233         (som_output_comdat_data_section_asm_op): New function.
234         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
235         instead of output_section_asm_op for COMDAT sections.
236
237 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
238
239         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
240         Fix whitespace in vincinity of to-be-installed changes.
241         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
242         (insns_match_p): Likewise.
243
244 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
245
246         * config.gcc (ms1): Replace with ...
247         (mt): ... this.
248         * config/ms1: Rename to ...
249         * config/mt: ... here.  Rename ms1 files to mt.
250         * config/mt/mt.c: Adjust gt-mt.h #include.
251         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
252         (crti.o, crtn.o): Adjust file names.
253
254 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
255
256         * varray.h: Allow compilation with a C++ compiler.
257         (union varray_data_tag): Prefix all field names with "vdt_".
258         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
259         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
260         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
261         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
262         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
263         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
264         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
265         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
266         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
267         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
268         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
269         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
270         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
271         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
272         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
273         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
274         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
275         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
276         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
277         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
278         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
279         VARRAY_TOP_TREE_PTR): Likewise.
280         * varray.c (varray_grow): Likewise.
281         (varray_clear): Likewise.
282
283 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
284
285         PR target/25299
286         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
287         alignment to doubleword if the first field is a double array.
288         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
289
290 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
291
292         * tree-ssa-structalias.c (process_constraint): Remove code to
293         transform addressofs into scalar.
294         (create_variable_info_for): In whole-program IPA, globals don't
295         point to ANYTHING by default.
296
297 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
298
299         * timevar.def (TV_IPA_PTA): New.
300         * tree-pass.h (pass_ipa_pta): New
301         * tree-ssa-structalias.c: Include cgraph.h
302         (in_ipa_mode): New.
303         (predbitmap_obstack): New.
304         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
305         (struct constraint_stats): Add num_edges.
306         (new_var_info): Don't call bitmap_clear.
307         (struct constraint_edge): Update docs.
308         (new_constraint_edge): Remove src param.
309         (struct constraint_graph): Add zero_weight_succs,
310         zero_weight_preds.  Update docs.
311         (constraint_expr_equal): Reformat.
312         (constraint_edge_equal): Update for removal of src.
313         (constraint_edge_less): Ditto.
314         (constraint_edge_vec_find): Ditto.
315         (erase_graph_self_edge): Update for removal of src and and zero
316         weight bitmap.
317         (clear_edges_for_node): Ditto.
318         (add_graph_edge): Ditto.
319         (get_graph_weights): Ditto.
320         (allocate_graph_weights): Ditto.
321         (merge_graph_nodes): Ditto.
322         (int_add_graph_edge): Ditto.
323         (valid_graph_edge): Ditto.
324         (valid_weighted_graph_edge): Ditto.
325         (build_constraint_graph): Ditto.
326         (scc_visit): Ditto.
327         (collapse_nodes): Ditto.
328         (process_unification_queue): Ditto.
329         (topo_visit): Ditto.
330         (solve_graph): Ditto.
331         (do_structure_copy): Ditto.
332         (perform_var_substitution): Ditto.
333         Init and release obstack.
334         (handle_ptr_arith): Try to resolve directly.
335         (find_func_aliases): Don't call update_alias_info here
336         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
337         (do_sd_constraint): Add code for propagating faster.
338         Update.
339         (do_ds_constraint): Ditto.
340         (count_num_arguments): New function.
341         (create_function_info_for): Ditto.
342         (create_variable_info_for): Handle FUNCTION_DECL.
343         (intra_create_variable_infos): Use make_constraint_to_anything.
344         (init_alias_vars): Init obstacks here.
345         (need_to_solve): Handle zero weight graph changes.
346         (compute_points_to_sets): Call update_alias_info here.
347         (delete_points_to_sets): Free zero weight preds/succs here.
348         (gate_ipa_pta): New.
349         (ipa_pta_execute): New
350
351 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
352
353         * tree-ssa-structalias.c (var_anyoffset): Removed.
354         (anyoffset_tree): Ditto.
355         (anyoffset_id): Ditto.
356         (do_deref): Take vector of constraints, no return value.
357         Update to work on vector.                
358         (get_constraint_for): Ditto.
359         (get_constraint_for_component_ref): Ditto.
360         (do_structure_copy): Ditto.
361         (handle_ptr_arith): Ditto.
362         (find_func_aliases): Ditto.
363         (set_uids_in_ptset): Remove anyoffset handling.
364         (init_base_vars): Ditto.
365
366 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
367
368         PR c++/25010
369         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
370         DECL_EXTERNAL functions have no bodies.  Tidy.
371
372 2005-12-10  Andreas Schwab  <schwab@suse.de>
373
374         * except.c (switch_to_exception_section): Only define if
375         TARGET_UNWIND_INFO is not defined.
376
377 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
378
379         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
380         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
381
382 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
383
384         * output.h (init_section, fini_section): Delete.
385         * varasm.c (init_section, fini_section): Delete.
386         (init_varasm_once): Don't initialize them.
387         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
388         there are no corresponding varasm.c variables.
389
390 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
391
392         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
393         of EH_FRAME_SECTION_NAME into...
394         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
395         if it is still null.
396         * except.c (default_exception_section): Delete, moving most
397         of the code to...
398         (switch_to_exception_section): ...this new function.  Set
399         exception_section if it is still null, then switch to it.
400         (output_function_exception_table): Use switch_to_exception_section.
401         * varasm.c (exception_section, eh_frame_section): Update comments.
402         (get_section): Hoist use of SECTION_NAMED.
403         (init_varasm_once): Don't set exception_section and eh_frame_section.
404         * output.h (default_exception_section): Delete.
405         (default_eh_frame_section): Delete.
406
407 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
408
409         * config/bfin/bfin.c: Include "cgraph.h".
410         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
411         Return the reg that holds the pointer to the GOT.
412         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
413         doing stack checking.
414
415 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
416
417         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
418         recompute_tree_invarant_for_addr_expr.
419         Update uses everywhere.
420
421 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
422
423         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
424         (MULTILIB_DIRNAMES): Define.
425
426 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
427
428         PR target/25311
429         * config/s390/s390.c (struct s390_address): New field literal_pool.
430         (s390_decompose_address): Compute literal_pool field.  Do not 
431         assume register %r13 is always (and solely) used as pool base.
432         (s390_extra_constraint_str): Use literal_pool field.
433
434 2005-12-09  Thiemo Seufer  <ths@networkno.de>
435
436         * config/mips/mips.c (override_options): Don't allow too small
437         integers in FP registers.
438
439 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
440
441         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
442         targetm.binds_local_p to check for local function calls.
443
444 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
445
446         PR debug/24908
447         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
448         call_used_regs can't be used to save reg in another reg.
449
450 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
451             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
452
453         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
454         abort.
455         * except.c (output_ttype): Likewise.
456         * tree-object-size.c (collect_object_sizes_for): Likewise.
457         (check_for_plus_in_loops_1): Likewise.
458         (check_for_plus_in_loops): Likewise.
459         (compute_object_sizes): Use gcc_unreachable instead of abort.
460
461 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
462
463         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
464         (loop_end, loop_init, doloop_end): New insns.
465         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
466         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
467         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
468         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
469         * config/ms1/ms1.c: #include basic-block.h
470         (struct machine_function): Add has_loops field.
471         (ms1_add_loop): New.
472         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
473         (struct loop_info, struct loop_work): New.
474         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
475         (ms1_reorg_loops): New loop optimization.
476         (ms1_machine_reorg): Call it.
477         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
478
479 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
480
481         PR tree-optimization/25248
482         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
483         evolution_of_loop from the failed attempt.  Remove handling
484         of MULT_EXPR.
485
486 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
487
488         * tree.h (DECL_EXTERNAL): Clarify documentation.
489
490 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
491             Jakub Jelinek  <jakub@redhat.com>
492
493         PR target/25268
494         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
495         argument.  Don't drop outer ANDs.
496         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
497         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
498         prototype.
499         * config/s390/predicates.md (setmem_operand): Remove.
500         (shift_count_operand): Rename to...
501         (shift_count_or_setmem_operand): ... this.  Adjust
502         s390_decompose_shift_count caller.
503         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
504         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
505         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
506         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
507         rotl<mode>3_and, setmem_long_and): New insns.
508         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
509         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
510         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
511         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
512         of shift_count_operand.
513         (setmem_long): Use shift_count_or_setmem_operand instead of
514         setmem_operand.
515
516 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
517             Andreas Tobler  <a.tobler@schweiz.ch>
518
519         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
520         tr expression.
521
522 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
523
524         * expr.c (force_operand): Use convert_to_mode for conversions.
525
526 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
527
528         * reload.h (reg_equiv_invariant): Declare.
529         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
530         register also when reg_equiv_invariant[R] is set.
531
532 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
533             Andreas Tobler  <a.tobler@schweiz.ch>
534
535         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
536
537 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
538
539         * tree-ssa-pre.c (bitmap_set_and): New function.
540         (bitmap_set_and_compl): New function.
541         (bitmap_set_empty_p): New function.
542         (insert_extra_phis): New function.
543         (compute_avail): Use insert_extra_phis.
544
545 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
546
547         * config/s390/s390.c (s390_expand_atomic): New function.
548         Adjust comment of helper functions.
549         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
550         * config/s390/s390.md ("ATOMIC"): New code macro.
551         ("atomic"): Corresponding new code attribute.
552         ("sync_lock_test_and_set[hq]i", 
553         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
554
555 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
556
557         * config/s390/s390.c (s390_expand_mask_and_shift, 
558         struct alignment_context, init_alignment_context, 
559         s390_expand_cs_hqi): New.
560         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
561         * config/s390/s390.md ("sync_compare_and_swaphi",
562         "sync_compare_and_swapqi"): New pattern.
563
564 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
565
566         Fix PR tree-optimization/25291
567         * tree-ssa-operands.c (add_call_clobber_ops): Remove
568         redundant and crashing check.
569
570 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
571
572         PR target/25212
573         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
574         tests further when !strict && reload_in_progress.
575         (print_operand): Check that both operands of indexed address are regs.
576         (print_operand_address): Likewise.
577         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
578         (INT_REG_OK_FOR_BASE_P): Correct.
579
580 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
581
582         Preparation for PR rtl-optimization/20070 / part1
583         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
584         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
585         outgoing_edges_match.
586         (outgoing_edges_match): Use condjump_equiv_p.
587         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
588         into..
589         * struct-equiv.c: New file.
590         (death_notes_match_p) New function, broken out of insns_match_p.
591         * Makefile.in (OBJS-common): Add struct-equiv.o.
592         (struct-equiv.o): New target.
593
594 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
595
596         * coretypes.h: Revert previous change.
597         * config/darwin.h: Revert previous reversion.
598         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
599
600 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
601
602         * coretypes.h (section): Provide dummy definition for target files.
603         * config/darwin.h: Revert previous change.
604
605 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
606
607         * doc/sourcebuild.texi (all.build, install-normal): Remove.
608         * configure.ac: Remove all.build and install-normal from target_list
609         * configure: Regenerate.
610         * Makefile.in (install): Don't depend on install-normal.
611
612 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
613
614         * Makefile.in: Document the use of stamps.
615
616 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
617
618         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
619         * Makefile.in: Add code to compute some dependencies on s-gtype
620         automatically.  Remove the declaration of those dependencies.
621
622 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
623
624         * gcc/reload.c (push_secondary_reload): Fix typo:
625         s/insn_constraint/scratch_constraint/.
626
627 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
628
629         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
630
631 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
632
633         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
634         (alpha_elf_select_rtx_section): Return the selected section rather
635         than emitting assembly code.
636         (alpha_write_linkage): Emit a ".link" directive directly and then
637         set in_section to NULL.
638         (vms_asm_out_constructor): Use switch_to_section.
639         (vms_asm_out_destructor): Likewise.
640         (unicosmk_output_common): Set in_section to NULL instead of calling
641         the dummy common_section function.
642         (unicosmk_text_section): Delete in favor of...
643         (unicosmk_output_text_section_asm_op): ...this new function.
644         (unicosmk_data_section): Delete in favor of...
645         (unicosmk_output_data_section_asm_op): ...this new function.
646         (unicosmk_init_sections): New function.
647         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
648         (unicosmk_output_ssib): Set in_section to NULL instead of calling
649         the dummy ssib_section function.
650         (unicosmk_section_buf): Delete.
651         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
652         (unicosmk_data_section): Delete.
653         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
654         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
655         (SECTION_FUNCTION_TEMPLATE): Delete.
656         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
657         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
658         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
659         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
660         (TARGET_ASM_INIT_SECTIONS): Define.
661         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
662         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
663         (link_section, literals_section): Delete.
664         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
665         set in_section to NULL.
666
667         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
668         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
669         (COMMON_SECTION): Delete.
670         (TARGET_ASM_INIT_SECTIONS): Define.
671         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
672         the dummy common_section function.
673         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
674         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
675         between readonly_data_section and text_section to check whether
676         read-only data is being put in the text section.
677         (arm_output_function_epilogue): Use switch_to_section.
678         (arm_elf_asm_constructor): Likewise.
679         (thumb_call_via_reg): Replace call to in_text_section with
680         a comparison between in_section and text_section.
681         (arm_file_end): Use switch_to_section.
682         (aof_text_section): Delete in favor of...
683         (aof_output_text_section_asm_op): ...this new function.
684         (aof_data_section): Delete in favor of...
685         (aof_output_data_section_asm_op): ...this new function.
686         (aof_asm_init_sections): New function.
687         (zero_init_section): Moved from config/arm/aof.h.
688         (aof_dump_imports, aof_file_start): Use switch_to_section.
689         * config/arm/arm.h (thumb_call_via_label): Update comment.
690         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
691         (common_section): Delete.
692         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
693         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
694         global switch_to_section function instead of the old port-local one.
695         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
696         (SWITCH_TO_SECTION_FUNCTION): Delete.
697         (drectve_section): Redefine as a macro.
698         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
699         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
700         switch_to_section.
701
702         * config/avr/avr.c (progmem_section): New variable.
703         (avr_output_progmem_section_asm_op): New function.
704         (avr_asm_init_sections): New function.
705         (avr_output_addr_vec_elt): Use switch_to_section.
706         * config/avr/avr.h (progmem_section): Declare.
707         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
708         (READONLY_DATA_SECTION): Delete.
709         (TARGET_ASM_INIT_SECTIONS): Define.
710         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
711         * config/avr/avr-protos.h (progmem_section): Delete.
712
713         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
714
715         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
716         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
717
718         * config/darwin-sections.def: New file.
719         * config/darwin.c: Define all sections in darwin-sections.def.
720         (output_objc_section_asm_op, darwin_init_sections): New functions.
721         (machopic_output_indirection): Use switch_to_section.
722         (machopic_select_section): Return the selected section rather than
723         emitting assembly code.  Replace the static function table with
724         inline conditional expressions.  Update the tests of last_text_section
725         and move them into the FUNCTION_DECL block.
726         (machopic_select_rtx_section): Return the selected section rather than
727         emitting assembly code.
728         (machopic_asm_out_constructor, machopic_asm_out_destructor)
729         (darwin_file_end): Use switch_to_section.
730         * config/darwin.h: Use darwin-sections.def to declare sections.
731         (INIT_SECTION_ASM_OP): Remove empty definition.
732         (HAS_INIT_SECTION): Define this instead.
733         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
734         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
735         (TARGET_ASM_EH_FRAME_SECTION): Delete.
736         (TARGET_ASM_INIT_SECTIONS): Define.
737         * config/darwin-protos.h (darwin_init_sections): Declare.
738         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
739         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
740         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
741         (constructor_section, destructor_section, mod_init_section): Delete.
742         (mod_term_section): Delete.
743         (darwin_exception_section, darwin_eh_frame_section): Delete.
744         (machopic_select_section): Return a section.
745         (machopic_select_rtx_section): Likewise.
746         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
747         (const_section, const_coal_section, const_data_section): Delete.
748         (const_data_coal_section, data_coal_section, cstring_section): Delete.
749         (literal4_section, literal8_section, constructor_section): Delete.
750         (mod_init_section, mod_term_section, destructor_section): Delete.
751         (objc_class_section, objc_meta_class_section, objc_category_section)
752         (objc_class_vars_section, objc_instance_vars_section): Delete.
753         (objc_cls_meth_section, objc_inst_meth_section): Delete.
754         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
755         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
756         (objc_symbols_section, objc_module_info_section): Delete.
757         (objc_image_info_section, objc_protocol_section): Delete.
758         (objc_string_object_section, objc_constant_string_object_section)
759         (objc_class_names_section, objc_meth_var_names_section): Delete.
760         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
761         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
762         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
763         (darwin_exception_section, darwin_eh_frame_section): Delete.
764         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
765
766         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
767         (frv_asm_out_destructor): Likewise.
768         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
769         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
770         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
771         get_named_section.
772         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
773         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
774         (data_section): Delete.
775
776         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
777         (DRECTVE_SECTION_FUNCTION): Delete.
778         (drectve_section): Redefine as a macro that sets in_section after
779         emitting the directive.
780         (SWITCH_TO_SECTION_FUNCTION): Delete.
781         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
782         in_text_section with comparison between in_section and text_section.
783         * config/i386/i386.c (x86_64_elf_select_section): Return the section
784         rather than emitting assembly code.  Use get_named_section.
785         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
786         get_named_section.
787         (machopic_output_stub): Use switch_to_section.
788         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
789         (nwld_named_section_asm_out_destructor): Use get_section and
790         switch_to_section.
791
792         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
793         rather than emitting assembly code.
794         (ia64_rwreloc_select_section): Likewise.
795         (ia64_rwreloc_select_rtx_section): Likewise.
796         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
797         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
798         switch_to_section.
799         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
800         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
801
802         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
803         section rather than emitting assembly code.
804         (iq2000_select_section): Likewise.
805         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
806         (sbss_section): Delete.
807
808         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
809         and get_named_section.
810         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
811
812         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
813         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
814         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
815         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
816         in_section to NULL.
817         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
818         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
819         global switch_to_section function instead of the old port-local one.
820         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
821         (SWITCH_SECTION_FUNCTION): Delete.
822         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
823         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
824         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
825         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
826         in_section to NULL.
827         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
828         global switch_to_section function instead of the old port-local one.
829         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
830
831         * config/mips/mips.c (mips_file_start): Update comment.
832         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
833         (mips_output_aligned_decl_common): Use switch_to_section.
834         (mips_select_rtx_section): Return the section rather than emitting
835         assembly code.  Use get_named_section.
836         (mips_function_rodata_section: Likewise get_section.
837         (build_mips16_function_stub): Use switch_to_section.
838         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
839         (SDATA_SECTION_ASM_OP): Delete.
840         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
841         (EXTRA_SECTION_FUNCTIONS): Delete.
842
843         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
844         (mmix_asm_output_aligned_local): Use switch_to_section.
845
846         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
847         (som_one_only_readonly_data_section): New variables.
848         (pa_output_function_epilogue): Set in_section to NULL instead of
849         calling forget_section.
850         (output_deferred_plabels): Use select_section.
851         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
852         of calling forget_section.
853         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
854         (pa_asm_output_aligned_local): Use select_section.
855         (som_text_section_asm_op): Delete in favor of...
856         (som_output_text_section_asm_op): ...this new function.
857         (pa_som_asm_init_sections): New function.
858         (pa_select_section): Return the section rather than emitting
859         assembly code.
860         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
861         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
862         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
863         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
864         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
865         (som_readonly_data_section, som_one_only_readonly_data_section)
866         (som_one_only_data_section, forget_section): Delete.
867         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
868         (TARGET_ASM_INIT_SECTIONS): Define.
869         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
870
871         * config/rs6000/rs6000.c (read_only_data_section): New variable.
872         (private_data_section, read_only_private_data_section): New variables.
873         (sdata2_section, toc_section): New variables.
874         (rs6000_file_start): Use switch_to_section.
875         (rs6000_assemble_integer): Use comparisons against in_section
876         instead of calling in_toc_section and in_text_section.  Use
877         unlikely_text_section_p.
878         (rs6000_elf_output_toc_section_asm_op): New function, derived
879         from the old rs6000/sysv4.h toc_section function.
880         (rs6000_elf_asm_init_sections): New function.
881         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
882         the section rather than emitting assembly code.
883         (machopic_output_stub): Use switch_to_section.
884         (toc_section): Delete dummy function.
885         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
886         switch_to_section and get_section.
887         (rs6000_xcoff_output_readonly_section_asm_op): New function.
888         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
889         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
890         the old rs6000/xcoff.h toc_section function.
891         (rs6000_xcoff_asm_init_sections): New function.
892         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
893         the section rather than emitting assembly code.
894         (rs6000_xcoff_file_start): Use switch_to_section.
895         (rs6000_xcoff_file_end): Likewise.
896         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
897         (sdata2_section, sbss_section, private_data_section): Delete.
898         (read_only_data_section, read_only_private_data_section): Delete.
899         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
900         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
901         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
902         (FINI_SECTION_FUNCTION): Delete.
903         (TARGET_ASM_INIT_SECTIONS): Define.
904         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
905         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
906         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
907         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
908         (READONLY_DATA_SECTION): Delete.
909         (TARGET_ASM_INIT_SECTIONS): Define.
910         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
911         to NULL rather than no_section.
912         (TARGET_ASM_EXCEPTION_SECTION): Delete.
913
914         * config/sh/sh.c (sh_file_start): Use switch_to_section.
915
916         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
917         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
918         from call to current_function_section.
919
920         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
921         (bss100_section): New variable.
922         (xstormy16_asm_output_aligned_common): Use switch_to_section.
923         (xstormy16_asm_init_sections): New function.
924         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
925         switch_to_section and get_section.
926         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
927         from calls to current_function_section.
928         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
929         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
930         (TARGET_ASM_INIT_SECTIONS): Define.
931         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
932
933         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
934         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
935         (FINI_SECTION_FUNCTION): Delete.
936
937         * config/v850/v850.c: Include gt-v850.h.
938         (rosdata_section, rozdata_section, tdata_section, zdata_section)
939         (zbss_section): New variables.
940         (v850_output_aligned_bss): Use switch_to_section.
941         (v850_asm_init_sections): New function.
942         (v850_select_section): Return the section rather than emitting
943         assembly code.
944         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
945         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
946         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
947         (TARGET_ASM_INIT_SECTIONS): Define.
948         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
949         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
950         (zbss_section): Delete.
951
952         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
953
954         * config/vx-common.h (vxworks_exception_section): Delete.
955         (TARGET_ASM_EXCEPTION_SECTION): Delete.
956
957         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
958         section rather than emitting assembly code.
959         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
960         switch_to_section.
961
962         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
963         * coretypes.h (section): New union and typedef.
964         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
965         from call to current_function_section.
966         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
967         (dbxout_symbol_location): Use switch_to_section.
968         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
969         most of the code into...
970         (default_eh_frame_section): ...here.  Return a section.
971         (collect2_eh_frame_section): Delete, moving most of the code into..
972         (switch_to_eh_frame_section): ...this new function.
973         (debug_info_section, debug_abbrev_section, debug_aranges_section)
974         (debug_macinfo_section, debug_line_section, debug_loc_section)
975         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
976         variables.
977         (output_call_frame_info): Call switch_to_eh_frame_section instead of
978         eh_frame_section.  Use switch_to_section and get_section.
979         (dwarf2out_begin_prologue): Use switch_to_section.
980         (AT_string_form): Check the flags in debug_str_section instead of
981         DEBUG_STR_SECTION_FLAGS.
982         (output_comp_unit): Use switch_to_section, get_section, and
983         debug_info_section.
984         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
985         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
986         from call to current_function_section.
987         (dwarf2out_var_location): Use unlikely_text_section_p.
988         (dwarf2out_source_line): Use switch_to_section.  Remove argument
989         from call to current_function_section.
990         (dwarf2out_start_source_file, dwarf2out_end_source_file)
991         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
992         debug_macinfo_section.
993         (dwarf2out_init): Initialize the new section variables.  Use them
994         instead of calls to named_section_flags.  Use switch_to_section.
995         (output_indirect_string): Use switch_to_section and debug_str_section.
996         (dwarf2out_finish): Use switch_to_section and the new section
997         variables.
998         * except.c (default_exception_section): Return the section instead
999         of emitting assembly code.
1000         (output_function_exception_table): Use the global exception_section
1001         variable instead of the target hook.  Use switch_to_section.  Remove
1002         argument from call to current_function_section.
1003         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1004         (shorten_branches): Use pointer comparisons to detect whether the
1005         text section is the same as readonly_data_section.
1006         (profile_function): Use switch_to_section.  Remove argument from
1007         call to current_function_section.
1008         (final_scan_insn): Likewise.  Update use of last_text_section.
1009         * gengtype.c (open_base_files): Add an include of output.h.
1010         * output.h (text_section, data_section, readonly_data_section)
1011         (ctors_section, dtors_section, bss_section, init_section)
1012         (fini_section, sdata_section): Turn into section pointers.
1013         (in_text_section, in_unlikely_text_section, exports_section)
1014         (drectve_section, named_section, mergeable_string_section)
1015         (last_text_section_name): Delete.
1016         (default_exception_section, default_eh_frame_section): Return sections.
1017         (SECTION_DECLARED, SECTION_NAMED): New macros.
1018         (SECTION_MACH_DEP): Bump value.
1019         (section_common, named_section, unnamed_section): New structures.
1020         (unnamed_section_callback): New typedef.
1021         (section): New union.
1022         (sbss_section, exception_section, eh_frame_section): New variables.
1023         (in_section, last_text_section): Turn into section pointers.
1024         (get_unnamed_section, get_section, get_named_section): New functions.
1025         (mergeable_constant_section, function_section): Return a section.
1026         (unlikely_text_section): Likewise.
1027         (current_function_section): Likewise.  Remove the decl argument.
1028         (unlikely_text_section_p, switch_to_section): New functions.
1029         (output_section_asm_op): New function.
1030         (set_named_section_flags, named_section_flags, named_section_real)
1031         (named_section_first_declaration): Delete.
1032         (default_select_section, default_elf_select_section): Return a section.
1033         (default_elf_select_section_1, default_function_rodata_section)
1034         (default_no_function_rodata_section, default_select_rtx_section)
1035         (default_elf_select_rtx_section): Likewise.
1036         * rtl.h (in_data_section): Delete.
1037         * sdbout.c (sdbout_one_type): Use switch_to_section.
1038         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1039         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1040         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1041         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1042         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1043         (TARGET_ASM_OUT): Update after above changes.
1044         * target.h (init_sections): New hook.
1045         (exception_section, eh_frame_section): Delete.
1046         (select_section, select_rtx_section, function_rodata_section): Return
1047         a section rather than emitting assembly code.
1048         * varasm.c (text_section, data_section, readonly_data_section)
1049         (ctors_section, dtors_section, bss_section, init_section)
1050         (fini_section): Turn into section pointers.
1051         (sdata_section, sbss_section, exception_section): New variables.
1052         (eh_frame_section): New variable.
1053         (in_section): Make global and turn into a section pointer.
1054         (last_text_section): Turn into a section pointer.
1055         (unnamed_sections): New variable.
1056         (in_named_name, last_text_section_name): Delete.
1057         (EXTRA_SECTION_FUNCTIONS): Delete.
1058         (in_named_entry): Delete.
1059         (section_htab): New variable, replacing...
1060         (in_named_htab): ...this deleted variable.
1061         (section_entry_eq, section_entry_hash): New functions, based on...
1062         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1063         (get_unnamed_section, get_section): New functions.
1064         (unlikely_text_section): Return a section instead of emitting
1065         assembly code.
1066         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1067         (get_named_section_flags, named_section_first_declaration): Delete.
1068         (unlikely_text_section_p): New function.
1069         (named_section_real, named_section): Delete.
1070         (get_named_section): New function.
1071         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1072         (function_section): Return a section rather than emitting
1073         assembly code.
1074         (current_function_section): Likewise.  Remove argument.  Use
1075         last_text_section if nonnull, otherwise use function_section.
1076         (default_function_rodata_section): Return a section rather than
1077         emitting assembly code.  Use get_section.
1078         (default_no_function_rodata_section): Return a section rather than
1079         emitting assembly code.
1080         (variable_section): Use switch_to_section and get_named_section.
1081         (mergeable_string_section): Return a section rather than emitting
1082         assembly code.  Use get_section.  Make static.  Don't take special
1083         countermeasures for empty strings.
1084         (mergeable_constant_section): Return a section rather than emitting
1085         assembly code.  Use get_section.
1086         (default_named_section_asm_out_destructor): Use switch_to_section
1087         and get_section.
1088         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1089         (default_named_section_asm_out_constructor): Use switch_to_section
1090         and get_section.
1091         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1092         (assemble_start_function): Likewise.  Set last_text_section to
1093         NULL rather than no_section.  Change the type of save_section.
1094         (assemble_zeros, assemble_variable): Use the section flags to detect
1095         whether or not a section is text.
1096         (assemble_static_space): Use switch_to_section.
1097         (assemble_trampoline_template): Likewise.
1098         (output_constant_def_contents): Use switch_to_section and
1099         get_named_section.
1100         (output_constant_pool_1): Use switch_to_section.  Use the section
1101         flags to see whether sections contain mergeable data.
1102         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1103         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1104         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1105         whether a section has already been declared.
1106         (default_select_section, default_elf_select_section): Return a
1107         section rather than emitting assembly code.
1108         (default_elf_select_section_1): Likewise.  Use bss_section for
1109         SECCAT_BSS if nonnull.  Use get_named_section.
1110         (default_select_rtx_section): Return a section rather than
1111         emitting assembly code.
1112         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1113         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1114         (output_section_asm_op, switch_to_section): New functions.
1115         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1116         get_named_section.
1117
1118         * doc/tm.texi: Expand the introduction to the sections documentation.
1119         (TRAMPOLINE_SECTION): Document new interface.
1120         (SDATA_SECTION_ASM_OP): Document new macro.
1121         (READONLY_DATA_SECTION): Delete.
1122         (SDATA_SECTION_ASM_OP): Document new macro.
1123         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1124         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1125         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1126         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1127         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1128
1129 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1130
1131         * gcc.c (init_gcc_specs): Match braces inside conditionally
1132         compiled strings.
1133
1134 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1135
1136         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1137
1138 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1139
1140         PR C++/24138
1141         * tree.c (integer_all_onesp): Always return true if all bits on.
1142
1143         * testsuite/g++.dg/init/array0.C: New.
1144
1145 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1146
1147         * doc/md.texi: Adapt to implementation.
1148
1149 2005-12-06  Andreas Schwab  <schwab@suse.de>
1150
1151         * opts.c (decode_options): Fix typo in message.
1152
1153 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1154
1155         PR other/13873
1156         * longlong.h: Merge PPC tests from upstream.
1157
1158 2005-12-06  Richard Guenther  <rguenther@suse.de>
1159
1160         * fold-const.c (fold_convert): Do not build and fold
1161         CONVERT_EXPR, but always use NOP_EXPR.
1162
1163 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1164
1165         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1166         __builtin_ia32_paddq and __builtin_ia32_subq.
1167         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1168         __builtin_ia32_pshufw.
1169         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1170
1171 2005-12-05  James E Wilson  <wilson@specifix.com>
1172
1173         PR target/24934
1174         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1175         is set.
1176
1177 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1178         
1179         * print-tree.c (print_node): Ditto.
1180         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1181         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1182         before accessing DECL_ARTIFICIAL. 
1183         Handle new tag tree codes.
1184         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1185         changes.
1186         (unmodifiable_var_p): Ditto.
1187         * tree-flow.h (mem_tag_kind): Remove.
1188         (struct var_ann_d): Remove mem_tag_kind member.
1189         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1190         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1191         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1192         (group_aliases): Ditto.
1193         (setup_pointers_and_addressables): Ditto.
1194         (is_escape_site): Ditto.                                          
1195         (may_alias_p): Ditto.
1196         (create_tag_raw): New function.
1197         (create_memory_tag): Use it.
1198         (dump_alias_info): Update for tags.
1199         (may_be_aliased): Ditto.
1200         (add_type_alias): Ditto.
1201         (new_type_alias): Ditto.
1202         (create_sft): Ditto.
1203         (create_structure_vars): Ditto.
1204         * tree-ssa-ccp.c (get_default_value): Ditto.
1205         * tree-ssa-operands.c (get_expr_operands): Ditto.
1206         (add_stmt_operand): Ditto.
1207         (add_call_clobber_ops): Remove duplicated condition.
1208         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1209         tags.
1210         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1211         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1212         * tree.c (init_ttree): Update structures for new tree codes.
1213         (tree_code_size): Update sizes for new tree codes.
1214         (make_node_stat): Don't try to set common things on minimal
1215         structures.
1216         (tree_node_structure): Update for tags.
1217         (is_global_var): Ditto.
1218         * tree.def: Add new tree codes.
1219         * tree.h (MTAG_P): New macro.
1220         (TREE_MEMORY_TAG_CHECK): Ditto.
1221         (SSA_VAR_P): Update for tags.
1222         (struct tree_memory_tag): New structure.
1223         (MTAG_GLOBAL): New macro.
1224         (union tree_node): Add memory tag member.
1225         * treestruct.def (TS_MEMORY_TAG): New.
1226         
1227 2005-12-05  Dale Johannesen  <dalej@apple.com>
1228
1229         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1230         what was approved (PR 24323).
1231
1232 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1233
1234         * doc/c-tree.texi (Function Bodies): Remove description of
1235         RETURN_INIT.
1236
1237 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1238
1239         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1240         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1241         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1242         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1243         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1244         __divxc3): Document.
1245
1246 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1247
1248         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1249         previous behaviour.
1250         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1251         hook_bool_void_false.
1252         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1253         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1254
1255         * config/darwin.c (machopic_select_section): It's not defined
1256         as weak if it's only marked as weak_import.
1257         
1258         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1259         Prototype.
1260
1261         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1262         A hidden weak object does bind locally.  Strong linkonce data
1263         counts like any other strong symbol for binding.
1264         (weak_finish_1): Don't specially handle weakrefs, they no longer
1265         arrive here.
1266         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1267         * c-common.c (handle_alias_attribute): Allow static aliases
1268         of variables.
1269         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1270         * gthr-dce.h: Make weakrefs static.
1271         * gthr-tpf.h: Likewise.
1272         * gthr-solaris.h: Likewise.
1273         * gthr-posix.h: Likewise.
1274         * gthr-posix95.h: Likewise.
1275         * config/darwin.c (darwin_encode_section_info): static weakref
1276         variables are not necessarily defined in this translation unit.
1277         * doc/extend.texi (Function Attributes): Mention that an alias
1278         attribute creates a definition for the thing it's attached to.
1279         Change the documentation for weakref to say that the thing
1280         it's attached to must be static.
1281
1282         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1283         we don't go into an infinite loop.
1284
1285 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1286
1287         * config/rs6000/predicates.md (logical_const_operand): Split
1288         out of logical_operand.
1289         (logical_operand): Use it.
1290         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1291         logical_const_operand.
1292
1293 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1294
1295         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1296         and IX86_BUILTIN_CMPNESS.
1297         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1298         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1299         * config/i386/i386.md (movti_internal): Correct type attribute.
1300         Simplify mode attribute.
1301         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1302         Correct type attribute.
1303         (absxf2): Correct operator.
1304         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1305         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1306         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1307         mode attribute.
1308         (sse2_vmsqrtv2df2): Correct mode attribute.
1309
1310 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1311
1312         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1313         16 bits. Provide insn pattern for this case.
1314
1315 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1316
1317         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1318         result.
1319         (__popcountDI2): Likewise.
1320
1321 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1322
1323         PR target/25166
1324         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1325         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1326         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1327         functions.
1328
1329 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1330
1331         * c-typeck.c (null_pointer_constant_p): New function.
1332         (build_conditional_expr, build_c_cast, convert_for_assignment,
1333         build_binary_op): Use it.
1334
1335 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1336
1337         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1338         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1339         CONVERT_EXPR.
1340         (check_function_arguments_recurse): Allow both NOP_EXPR and
1341         CONVERT_EXPR but check conversions preserve precision.
1342         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1343         but check conversions preserve precision.
1344         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1345         default case.
1346
1347 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1348
1349         PR c/7776
1350         * common.opt (Wstring-literal-comparison): New command line option.
1351         * c-opts.c (c_common_handle_option): Set it with -Wall.
1352         * c-typeck.c (parser_build_binary_op): Issue warning if either
1353         operand of a comparison operator is a string literal, except for
1354         testing equality or inequality against NULL.
1355
1356         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1357
1358 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1359
1360         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1361         of building a NOP_EXPR.
1362         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1363         NOP_EXPR.
1364         * c-convert.c (convert): Use fold_convert instead of building
1365         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1366         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1367         #if 0 code.
1368         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1369         NOP_EXPR the same as CONVERT_EXPR.
1370         * c-typeck.c (build_function_call): Use fold_convert instead of
1371         building a NOP_EXPR directly.
1372         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1373
1374 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1375
1376         PR rtl-optimization/25197
1377         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1378         have a reg.
1379
1380 2005-12-02  Stuart Hastings  <stuart@apple.com>
1381
1382         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1383         warning.
1384
1385 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1386
1387         * c-typeck.c (default_function_array_conversion,
1388         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1389         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1390         orig_op2.  Don't check them for NOP_EXPR.
1391         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1392         around integer zero.
1393
1394 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1395
1396         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1397         toc_save_offset, toc_size, lr_size.
1398         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1399         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1400         Adjust for removal of unused rs6000_stack_t fields.
1401         (debug_stack_info): Adjust.
1402         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1403         first, and don't bother checking for set/inc of lr on sibcalls.
1404         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1405
1406 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1407
1408         PR target/25199
1409         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1410         5 if operand 1 is not aligned.  Undo previous constraint change.
1411         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1412
1413 2005-12-02  Richard Guenther  <rguenther@suse.de>
1414
1415         * tree.h (build): Remove prototype.
1416         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1417         * tree.c (build): Remove.
1418         (build0_stat): Update comment.
1419
1420 2005-12-02  Richard Guenther  <rguenther@suse.de>
1421
1422         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1423         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1424         Likewise.
1425         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1426         maybe_fold_offset_to_component_ref): Likewise.
1427         * tree-ssa-dom.c (thread_across_edge,
1428         simplify_rhs_and_lookup_avail_expr,
1429         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1430         Likewise.
1431         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1432         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1433         lower_try_finally_switch): Likewise.
1434         * tree-if-conv.c (add_to_dst_predicate_list,
1435         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1436         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1437         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1438         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1439         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1440         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1441         gimplify_init_ctor_eval, gimplify_init_constructor,
1442         gimplify_variable_sized_compare, gimplify_boolean_expr,
1443         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1444         gimplify_expr, gimplify_body, gimplify_function_tree,
1445         force_gimple_operand): Likewise.
1446         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1447         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1448         mx_register_decls): Likewise.
1449         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1450         get_frame_field, finalize_nesting_tree_1): Likewise.
1451         * tree-inline.c (setup_one_parameter): Likewise.
1452         * tree-vect-transform.c (vectorizable_condition): Likewise.
1453         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1454         Likewise.
1455         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1456         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1457         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1458         * tree-chrec.h (build_polynomial_chrec): Likewise.
1459
1460 2005-12-02  Richard Guenther  <rguenther@suse.de>
1461
1462         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1463         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1464         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1465         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1466         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1467         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1468         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1469         Likewise.
1470         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1471         sh_adjust_unroll_max): Likewise.
1472         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1473         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1474         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1475         Likewise.
1476         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1477         Likewise.
1478         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1479         Likewise.
1480
1481 2005-12-02  Richard Guenther  <rguenther@suse.de>
1482
1483         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1484         simplify_cond_using_ranges): Use buildN instead of build.
1485         * tree-tailcall.c (adjust_accumulator_values,
1486         adjust_return_value): Likewise.
1487         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1488         generate_element_copy, generate_element_zero,
1489         generate_one_element_init): Likewise.
1490         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1491         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1492         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1493         perfect_nestify): Likewise.
1494
1495 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1496
1497         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1498
1499 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1500
1501         * ggc.h (GGC_RESIZEVEC): New.
1502
1503 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1504
1505         * gcc.c (execute): Improve readability.
1506
1507 2005-12-02  Richard Guenther  <rguenther@suse.de>
1508
1509         * tree-cfg.c (mark_used_vars): New function.
1510         (dump_function_to_file): Dump only used VAR_DECLs.
1511
1512 2005-12-02  Richard Guenther  <rguenther@suse.de>
1513
1514         * convert.c (convert_to_integer): Fix compare for nonpositive
1515         constant to use tree_int_cst_sgn <= 0.
1516
1517 2005-12-02  Richard Guenther  <rguenther@suse.de>
1518
1519         * convert.c (convert_to_integer): Use fold_convert instead
1520         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1521         instead of comparing against 0.  Use build_int_cst instead
1522         of converting integer_zero_node.
1523
1524 2005-12-02  Richard Guenther  <rguenther@suse.de>
1525
1526         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1527         and RROTATE_EXPR.
1528  
1529 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1530
1531         PR target/21017
1532         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1533         rotates.
1534
1535 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1536
1537         PR middle-end/25176
1538         * function.c (expand_function_end): Emit blockage for unwinder
1539         after return label.
1540
1541 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1542
1543         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1544         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1545         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1546         integer constant comparisons.
1547
1548 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1549             Janis Johnson  <janis187@us.ibm.com>
1550             David Edelsohn  <dje@watson.ibm.com>
1551             Ben Elliston  <bje@au.ibm.com>
1552
1553         * dfp.h, dfp.c: New files.
1554         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1555         (DECNUM_H): Likewise.
1556         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1557         (INCLUDES): Append $(DECNUMINC).
1558         (OBJS-common): Add dfp.o.
1559         (dfp.o): New rule.
1560         * real.h (EXP_BITS): Pinch one bit to ..
1561         (struct real_value): Add decimal field.
1562         (real_format): Change table size, update documentation.
1563         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1564         (real_from_string3): Declare.
1565         (decimal_single_format): Declare.
1566         (decimal_double_format): Declare.
1567         (decimal_quad_format): Declare.
1568         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1569         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1570         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1571         * real.c: Include dfp.h.
1572         (normalize): Early return for decimal floats.
1573         (do_add): Zero decimal field.
1574         (do_compare): Call do_decimal_compare for decimal floats.
1575         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1576         (real_arithmetic): Call decimal_real_arithmetic for decimal
1577         floating point operands.
1578         (real_identical): If a and b are of differing radix, return false.
1579         (real_to_integer): Call decimal_real_to_integer if the value is a
1580         decimal float.
1581         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1582         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1583         (real_to_hexadecimal): Place "N/A" in the return string for
1584         decimal float.
1585         (real_from_string3): New variant, given a mode.
1586         (real_maxval): Use decimal_real_maxval for decimal floats.
1587         (round_for_format): Use decimal_round_for_format for decimals.
1588         (real_convert): Use decimal_real_convert where appropriate.
1589         (significand_size): Handle base 10.
1590         (encode_decimal_single, decode_decimal_single,
1591         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1592         decode_decimal_quad): New functions.
1593         (decimal_single_format): New.
1594         (decimal_double_format): New.
1595         (decimal_quad_format): New.
1596         * machmode.def: Add SD, DD and TD decimal floating point modes.
1597         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1598         Include MODE_DECIMAL_FLOAT.
1599         (DECIMAL_FLOAT_MODE_P): New.
1600         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1601         * genmodes.c (struct mode_data): Add counter field.
1602         (struct mode_data): Update comment for format.
1603         (blank_mode): Initialise counter field.
1604         (new_mode): Increment counter field for each mode defined.
1605         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1606         using a format.
1607         (make_complex_modes): Handle modes containing `D'.
1608         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1609         (make_decimal_float_mode): New.
1610         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1611         (cmp_modes): Compare counter field if other characteristics
1612         similar.
1613         (emit_real_format_for_mode): Support formats for decimal floats.
1614         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1615         Document MODE_DECIMAL_FLOAT.
1616
1617 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1618
1619         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1620         Delete dead code.
1621
1622 2005-12-01  Richard Henderson  <rth@redhat.com>
1623
1624         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1625
1626 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1627
1628         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1629
1630         * config/pa/pa.c (pa_init_builtins): If we detect
1631         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1632         putc_unlocked.
1633
1634 2005-12-01  Richard Guenther  <rguenther@suse.de>
1635
1636         * fold-const.c (fold_binary): Use fold_build2, not
1637         fold (build (...)).
1638
1639 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1640
1641         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1642
1643         * vec.h (VEC_block_remove): New.
1644
1645 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1646
1647         PR c/13384
1648         * c-common.c (lvalue_error): Fix wording.
1649
1650 2005-12-01  Richard Guenther  <rguenther@suse.de>
1651
1652         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1653         thinko in last patch.
1654
1655 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1656
1657         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1658         than -flat_namespace.
1659
1660 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1661
1662         * mklibgcc.in: Parameterise the script to build soft float
1663         functions by iterating over each type, rather than cloning the
1664         code for each type.
1665
1666 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1667
1668         PR middle-end/25158
1669         * builtins.c (fold_builtin_fputs): Defer check for missing
1670         replacement functions.
1671
1672 2005-11-30  Kean Johnston  <jkj@sco.com>
1673
1674         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1675         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1676
1677 2005-11-30  Richard Guenther  <rguenther@suse.de>
1678
1679         PR tree-optimization/22501
1680         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1681         function split out from ...
1682         (forward_propagate_addr_expr): ... here.  Use it to propagate
1683         ADDR_EXPRs to all uses.
1684
1685 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1686
1687         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1688         * builtins.c (expand_builtin_mathfn): Use them.
1689         (expand_builtin_mathfn_2): Likewise.
1690         (expand_builtin_mathfn_3): Likewise.
1691         (expand_builtin_int_roundingfn): Likewise.
1692         (expand_builtin): Likewise.
1693         (integer_valued_real_p): Likewise.
1694         (fold_builtin_int_roundingfn): Likewise.
1695         (fold_builtin_bitop): Likewise.
1696         (fold_builtin_logarithm): Likewise.
1697         (fold_builtin_1): Likewise.
1698         * convert.c (convert_to_integer): Likewise.
1699         * fold-const.c (negate_mathfn_p): Likewise.
1700         (tree_expr_nonnegative_p): Likewise.
1701
1702 2005-11-30  Dale Johannesen  <dalej@apple.com>
1703             Andrew Pinski  <pinskia@physics.uc.edu>
1704
1705         * combine.c (find_split_point):  Sign extend bitmask
1706         when changing bitfield assignment to IOR of AND.
1707
1708 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1709
1710         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1711         clobber to scratch reg.
1712         (*decrement_and_branch_until_zero_no_clobber): Remove.
1713         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1714         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1715         * config/ms1/ms1.opt (mmul): Remove.
1716         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1717         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1718
1719 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1720             Bernd Schmidt  <bernd.schmidt@analog.com>
1721
1722         * pa/predicates.md (symbolic_operand): Add comment.
1723         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1724         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1725         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1726         (pa_secondary_reload_class): Delete.
1727         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1728         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1729         copy of symbolic operand.
1730         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1731
1732 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1733
1734         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1735         jump.
1736
1737 2005-11-30  Jeff Law  <law@redhat.com>
1738
1739         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1740         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1741
1742 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1743
1744         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1745         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1746         (ia64_expand_move): Adjust caller.
1747
1748         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1749         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1750         negate VAL.
1751
1752 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1753
1754         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1755         Always produce an output if we can remove NEGs or canonicalize
1756         (minus (minus ...)) expressions.  Provide a fast path for the
1757         two-operand case.
1758         (simplify_gen_binary): Do not call simplify_plus_minus.
1759         (simplify_binary_operation_1): Reassociate at the end of the
1760         function.
1761
1762 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1763
1764         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1765         moves and unpack to speed up.
1766
1767 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1768
1769         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1770         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1771         (gen_v9_scc): Update callers.
1772         * config/sparc/sparc.md: Likewise.
1773         * config/sparc/sparc-protos.h: Update extern declaration.
1774
1775         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1776
1777 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1778
1779         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1780         the if.
1781
1782 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1783
1784         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1785         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1786         (negate_expr): Here.
1787
1788 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1789
1790         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1791         Fix typo in comment.
1792
1793 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1794
1795         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1796         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1797
1798 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1799
1800         PR middle-end/20109
1801         PR middle-end/25120
1802         * builtins.c (init_target_chars): New.
1803         (expand_builtin_printf, expand_builtin_fprintf,
1804         expand_builtin_sprintf, fold_builtin_sprintf,
1805         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1806         fold_builtin_snprintf_chk, fold_builtin_printf,
1807         fold_builtin_fprintf): Check for matching format strings using
1808         the target charset.
1809
1810 2005-11-29  Paul Brook  <paul@codesourcery.com>
1811
1812         * config.gcc: Do not use fixproto on m68k-elf.
1813
1814 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1815
1816         * expmed.c (div_cost): Replace with...
1817         (sdiv_cost, udiv_cost): New.
1818         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1819         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1820         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1821         (expand_divmod): Replace use of div_cost with either sdiv_cost
1822         or udiv_cost depending upon the signedness of the operation.
1823
1824 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1825
1826         PR libfortran/24991
1827         * config/darwin.c (machopic_indirection_name,
1828         machopic_output_indirection): Follow transparent alias chain.
1829
1830 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1831
1832         * varasm.c (ultimate_transparent_alias_target): Add comment.
1833
1834 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1835
1836         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1837         SET_SRC instead of XEXP where appropriate.
1838
1839 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1840
1841         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1842         __builtin_expect.
1843
1844 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1845
1846         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1847         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1848         bit at a time.
1849
1850 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1851
1852         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1853         secondary_input_reload_class, made static.  Adapt to new
1854         infrastructure.
1855         (secondary_output_reload_class): Delete.
1856         (TARGET_SECONDARY_RELOAD): New macro.
1857         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1858         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1859
1860 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1861
1862         PR c++/21166
1863         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1864         when its natural alignment is > BITS_PER_UNIT.
1865         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1866         * c-common.c (handle_packed_attribute): Ignore packing on a field
1867         whose type is naturally char aligned.
1868
1869 2005-11-28  Richard Guenther  <rguenther@suse.de>
1870
1871         * c-common.c (strict_aliasing_warning): Handle all
1872         component-ref like accesses.
1873
1874 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1875             Uros Bizjak  <uros@kss-loka.si>
1876
1877         PR middle-end/20219
1878         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1879         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1880         when flag_unsafe_math_optimizations is set and
1881         we don't care about NaNs or Infinities.
1882
1883         Move x/expN(y) and x/pow(y,z) transformation into common
1884         flag_unsafe_math_optimizations section.
1885
1886 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1887
1888         * gcc.c (main): Change type of argv to "char **".
1889
1890 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1891
1892         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1893         small data sections.
1894         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1895         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1896         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1897         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1898         output locals to sbss if !rs6000_elf_in_small_data_p.
1899         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1900
1901 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1902
1903         PR target/24997
1904         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1905         generated by reload.
1906         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1907         indexed_or_indirect_address.
1908         (indexed_or_indirect_address): Don't test for base reg.  Call
1909         address_operand last.  Make it a special predicate.
1910
1911 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1912
1913         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1914
1915 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1916
1917         PR middle-end/24575
1918         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1919         is undefined.
1920         (negate_expr): Likewise.
1921
1922 2005-11-27  Andreas Schwab  <schwab@suse.de>
1923
1924         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1925         redundant parens.
1926
1927 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1928
1929         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1930         has EH predecessor edges.
1931
1932 2005-11-26  Eric Christopher  <echristo@apple.com>
1933
1934         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1935         register stalls by zero extending to the full register.
1936
1937 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1938
1939         * config/floatunsisf.c, config/floatunsidf.c,
1940         config/floatunsixf.c, config/floatunsitf.c: New files.
1941         * config/ia64/t-hpux: Add floatunsitf.c.
1942         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1943         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1944
1945 2005-11-26  Richard Henderson  <rth@redhat.com>
1946
1947         * c-lex.c (pragma_lex): Rename from c_lex.
1948         * c-pch.c: Update for pragma_lex rename.
1949         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1950         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1951         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1952         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1953         * doc/tm.texi: Likewise.
1954
1955 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1956
1957         PR middle-end/23669
1958         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1959         when overflow is undefined.
1960
1961 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1962
1963         * doc/md.texi (Insn Canonicalizations): Refer to the
1964         function commutative_operand_precedence for further rules.
1965
1966 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1967
1968         PR middle-end/21309
1969         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1970         is less than zero.  Limit mult_cost to a reasonable upper bound for
1971         the synthetic multiplication sequence.
1972
1973 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1974
1975         PR middle-end/25022
1976         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1977         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1978         Lookup the explicit replacement functions for any unlocked
1979         stdio builtin transformations.
1980
1981 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1982
1983         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1984         earlyclobber.
1985         * targhooks.c (default_secondary_reload): Don't require operand 2
1986         for an input reload to be earlyclobber.
1987
1988 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1989
1990         * fold-const.c (negate_mathfn_p): Fix comment and add support
1991         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1992         BUILT_IN_ATANH.
1993
1994 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1995
1996         PR middle-end/24998
1997         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1998         _Q_ulltoq for unsigned conversions from SImode and DImode to
1999         TFmode.
2000
2001 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2002
2003         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2004         (__floatundidf, __floatundisf): Likewise.
2005
2006 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2007
2008         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2009         (rs6000_override_options): Remove initialization of
2010         rs6000_sr_alias_set.
2011         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2012         (rs6000_emit_stack_tie): Same.
2013         (emit_frame_save): Same.
2014         (gen_frame_mem_offset): Same.
2015         (rs6000_emit_prologue): Same.
2016         (rs6000_emit_epilogue): Same.
2017
2018 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2019
2020         PR middle-end/24989
2021         * fold-const.c (fold_build): Convert bool_var != 1 and
2022         bool_var == 0 to !bool_var.
2023
2024 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2025
2026         PR middle-end/24990
2027         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2028         for C being INTEGER_CST.  Likewise for !=.
2029
2030 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2031
2032         PR middle-end/24998
2033         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2034         unsigned conversions from SImode to TFmode.
2035
2036 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2037
2038         * expr.c (expand_expr_real_1): Fix error in last change.
2039
2040 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2041
2042         * caller-save.c: (this_insn_sets): Move into:
2043         (save_call_clobbered_regs).
2044         (mark_set_regs): Get this_insn_sets from data.
2045
2046         (save_call_clobbered_regs): Take sets of the return value by
2047         sibcalls into account.
2048
2049 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2050         PR target/21623:
2051
2052         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2053         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2054         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2055         (memory_move_secondary_cost, init_reg_autoinc): Remove
2056         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2057         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2058         secondary_reload_class call.
2059         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2060         callers.
2061         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2062         (push_secondary_reload): Use secondary_reload target hook.
2063         (secondary_reload_class, scratch_reload_class): New functions.
2064         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2065         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2066         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2067         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2068         (secondary_reload_class, scratch_reload_class): Declare.
2069         * reload1.c: Include target.h.
2070         (reload_adjust_reg_for_temp): New function.
2071         (reload_adjust_reg_for_icode): Likewise.
2072         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2073         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2074         call.
2075         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2076         for inheritance.  Support case when both secondary & tertiary reloads
2077         are for intermediate registers.
2078         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2079         with secondary_reload_class call.  Support case when both secondary
2080         & tertiary reloads are for intermediate registers.
2081         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2082         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2083         * target.h (secondary_reload_info): New struct / typedef.
2084         (struct gcc_target): New member secondary_reload.
2085         * targhooks.c Include reload.h, optabs.h and recog.h.
2086         (default_secondary_reload): New function.
2087         * targhooks.h (default_secondary_reload): Declare.
2088         * doc/tm.texi: Document secondary_reload target hook.  Update
2089         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2090         * doc/md.texi: Likewise.
2091
2092         * sh-protos.h (sh_secondary_reload): Declare.
2093         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2094         (sh_secondary_reload): New function.
2095         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2096         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2097         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2098         (HAVE_SECONDARY_RELOADS): Define.
2099         * sh.md (reload_indf): Rename to:
2100         (reload_indf__frn).
2101         (reload_outdf): Rename to:
2102         (reload_outdf__RnFRm).
2103         (reload_insf): Rename to:
2104         (reload_insf__frn).
2105         (reload_insi): Rename to:
2106         (reload_insi__i_fpul).
2107
2108 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2109
2110         * configure.ac: Require at least texinfo 4.4.
2111         * configure: Regenerate.
2112
2113         * doc/install.texi (Tools/packages necessary for building GCC):
2114         Update required version of texinfo to at least 4.4.
2115         (Installing GCC: Building): Update required version of texinfo
2116         to at least 4.4.
2117         (Installing GCC: Final installation): Update required version
2118         of texi2dvi to at least 4.4.
2119         (Host/target specific installation notes for GCC): Update required
2120         version of texinfo to at least 4.4.
2121
2122 2005-11-24  Richard Guenther  <rguenther@suse.de>
2123         Dirk Mueller <dmueller@suse.de>
2124
2125         PR c++/14024
2126         * c-common.h (strict_aliasing_warning): Declare.
2127         * c-common.c (strict_aliasing_warning): New function,
2128         split out from ...
2129         * c-typeck.c (build_c_cast): ... here.
2130
2131 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2132
2133         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2134         to order operands.
2135         (swap_commutative_operands_with_target): New.
2136
2137 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2138
2139         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2140         also when doing PRE, rather than only for global CPROP.
2141
2142 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2143
2144         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2145         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2146         formatting.
2147         (expand_twoval_unop): Likewise.
2148         (widen_clz): Likewise.
2149         (expand_parity): Likewise.
2150         (expand_unop): Likewise.
2151         (emit_cmp_and_jmp_insn_1): Likewise.
2152         (prepare_float_lib_cmp): Likewise.
2153
2154 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2155
2156         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2157         Remove unused `class' variable.
2158
2159 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2160
2161         PR c++/21667
2162         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2163         C/C++ diagnostic function warn_array_subscript_with_type_char.
2164         * c-common.h (warn_array_subscript_with_type_char): Declare.
2165         * c-common.c (warn_array_subscript_with_type_char): Define.
2166
2167 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2168
2169         PR c/21668
2170         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2171         compiling at the intersection of C and C++.
2172
2173 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2174
2175         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2176         List @file in the option summary.  Include the libiberty
2177         documentation for @file.
2178         * gcc.c (main): Call expandargv.
2179         * Makefile.in (gcc-vers.texi): Define srcdir.
2180
2181 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2182
2183         * passes.c (init_optimization_passes): Document
2184         sequencing of passes.
2185
2186 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2187
2188         * config/m68k/predicates.md (pcrel_address, extend_operator,
2189         post_inc_operand, pre_dec_operand): Remove redundant
2190         conditionals.
2191         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2192         instead of abort.
2193         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2194
2195 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2196
2197         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2198
2199 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2200
2201         Preparatory work for PR target/21623:
2202         * alpha.c (secondary_reload_class): Rename to:
2203         (alpha_secondary_reload_class).
2204         * alpha.h, alpha-protos.h: Likewise.
2205         * mn10300.c (secondary_reload_class): Rename to:
2206         (mn10300_secondary_reload_class).
2207         * mn10300.h, mn10300-protos.h: Likewise.
2208         * pa.c (secondary_reload_class): Rename to:
2209         (pa_secondary_reload_class).
2210         * pa.h, pa-protos.h: Likewise.
2211         * rs6000.c (secondary_reload_class): Rename to:
2212         rs6000_secondary_reload_class.
2213         * rs6000.h, rs6000-protos.h: Likewise.
2214
2215 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2216
2217         PR middle-end/22561
2218         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2219
2220 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2221
2222         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2223         a mode_class.
2224         (prepare_cmp_insn): Likewise.
2225
2226 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2227
2228         PR target/23435
2229         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2230         if both operands[0] and operands[1] are memory.
2231
2232 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2233
2234         PR middle-end/23606
2235         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2236         COMPARISON_CLASS_P and an integral types create create a new
2237         expression with the new type and fold that.
2238
2239 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2240
2241         PR target/24988
2242         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2243         to SUBTARGET_OS_CPP_BUILTINS.
2244
2245 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2246
2247         * arm.c (emit_set_insn): New function.
2248         (arm_split_constant): Call it.
2249         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2250         (arm_legitimize_address): Likewise.  Use plus_constant.
2251         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2252         (thumb_expand_prologue): Likewise.
2253         (arm_gen_load_multiple): Use VOIDmode in SET.
2254         (arm_gen_store_multiple): Likewise.
2255         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2256         (emit_multi_reg_push): Likewise.
2257         (emit_sfm): Use plus_constant.
2258
2259 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2260
2261         PR target/24954
2262         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2263         typo last change.
2264
2265 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2266
2267         PR middle-end/24950
2268         * expmed.c (store_bit_field): Don't attempt to insv a field
2269         larger than the reg.
2270
2271 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2272
2273         PR target/24954
2274         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2275         explicit sign extension, not a (char) cast.
2276
2277 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2278
2279         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2280         GET_MODE_CLASS (x) == MODE_FLOAT.
2281         * config/i386/i386.c: Likewise.
2282         * config/rs6000/xcoff.h: Likewise.
2283         * config/rs6000/linux64.h: Likewise.
2284         * config/rs6000/rs6000.c: Likewise.
2285         * config/rs6000/rs6000.h: Likewise.
2286         * config/rs6000/predicates.md: Likewise.
2287         * config/rs6000/sysv4.h: Likewise.
2288
2289 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2290
2291         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2292         flag_pic is set.
2293
2294         * config/alpha/freebsd.h, config/alpha/linux.h,
2295         config/arm/linux-elf.h, config/bfin/bfin.h,
2296         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2297         config/i386/beos-elf.h, config/i386/gnu.h,
2298         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2299         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2300         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2301         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2302         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2303         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2304         config/sparc/linux.h, config/sparc/linux64.h,
2305         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2306
2307         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2308         are both defined when either flag -fpic or -fPIC are used.
2309
2310 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2311
2312         * config/fp-bit.c (clzusi): New function.
2313         (si_to_float, usi_to_float): Use it to compute proper shift.
2314         (usi_to_float): Preserve guard bits when shifting right.
2315         * libgcc-std.ver (GCC_4.2.0): New version.
2316         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2317         __floatundisf): New functions.
2318         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2319         __floatundisf): Declare.
2320         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2321         _floatundixf, and _floatunditf.
2322         * optabs.c (expand_float): If target does not define a pattern for
2323         signed or unsigned conversion, use an unsigned libcall instead of
2324         a signed one.
2325         (init_optabs): Initialize ufloat_optab.
2326
2327 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2328
2329         * config/rs6000/rs6000.opt (mmulhw): New option.
2330         * doc/invoke.texi (-mmulhw): Document.
2331         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2332         for 405 and 440.
2333         * config/rs6000/rs6000.md: Add half-word multiply and
2334         multiply-accumulate instructions for 405 and 440.
2335
2336 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2337
2338         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2339         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2340         default now includes a linker group which makes the RTEMS one nest.
2341
2342 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2343
2344         * cse.c (fold_rtx): Typo fix.
2345         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2346
2347 2005-11-21  Richard Henderson  <rth@redhat.com>
2348
2349         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2350         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2351
2352         * c-tree.h (lookup_name): Move declaration ...
2353         * c-common.h (lookup_name): ... here.
2354         * config/darwin-c.c: Include c-common.h.
2355         * config/t-darwin: Update dependencies.
2356
2357 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2358
2359         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2360         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2361         * genopinit.c (gen_insn): Likewise.
2362         * reload.c (find_equiv_reg): Likewise.
2363         * loop.c (load_mems): Likewise.
2364         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2365         * cse.c (find_comparison_args, fold_rtx): Likewise.
2366         * dwarf2out.c (add_const_value_attribute): Likewise.
2367         * expr.c (convert_move): Likewise.
2368         * recog.c (general_operand, register_operand): Likewise.
2369         * reg-stack.c (replace_reg): Likewise.
2370         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2371         * c-common.c (handle_vector_size_attribute): Likewise.
2372         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2373         (simplify_binary_operation_1): Likewise.
2374         (simplify_const_binary_operation): Likewise.
2375         (simplify_relational_operation): Likewise.
2376         (simplify_const_relational_operation): Likewise.
2377         (simplify_immed_subreg): Likewise.
2378         * emit-rtl.c (gen_lowpart_common): Likewise.
2379         * expmed.c (expand_mult): Likewise.
2380         * stor-layout.c (layout_type): Likewise.
2381
2382 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2383
2384         PR target/24951
2385         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2386         cst2 only for SPE vectors.
2387
2388 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2389
2390         PR target/24953
2391         * config/rs6000/predicates.md (vrsave_operation): Check
2392         UNSPEC_VOLATILE value.
2393
2394 2005-11-21  Jan Hubicka  <jh@suse.cz>
2395
2396         PR tree-optimization/24653
2397         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2398
2399 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2400
2401         * config/i386/predicates.md (ax_reg_operand): New predicate.
2402         (memory_displacement_only_operand): New predicate.
2403         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2404         operand is AX register and the other operand is memory operand
2405         with displacement only.
2406
2407 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2408
2409         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2410         if we don't care about NaNs or Infinities.
2411
2412 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2413
2414         PR rtl-optimization/24883
2415         * combine.c (combinable_i3pat): When checking whether the
2416         destination of i3 is used in i3, consider paradoxical subregs.
2417
2418 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2419
2420         PR middle-end/20583
2421         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2422
2423 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2424
2425         * combine.c (try_combine): Do not run subst on i1src and i2src in
2426         the case of generating a PARALLEL for a comparison.
2427
2428 2005-11-20  Richard Henderson  <rth@redhat.com>
2429
2430         PR 24931
2431         * tree-sra.c (struct sra_elt): Add all_no_warning.
2432         (struct sra_walk_fns) <use>: Add use_all argument.
2433         (sra_walk_expr): Pass it.
2434         (sra_walk_modify_expr): Likewise.
2435         (scalarize_ldst): Likewise.
2436         (scan_use): Update for new argument.
2437         (mark_no_warning): New.
2438         (scalarize_use): Use it.
2439
2440 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2441
2442         * expr.c (expand_expr_real): Use usmul_optab for widening
2443         signed * unsigned multiplies.
2444         * genopinit.c (optabs): Add usmul_widen_optab.
2445         * optabs.c (init_optabs): Likewise.
2446         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2447         (usmul_widen_optab): Define.
2448         * config/bfin/bfin.md (usmulhisi3): New pattern.
2449
2450         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2451
2452 2005-11-20  Graham Stott <btinternet.com>
2453
2454         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2455
2456 2005-11-20  Andreas Schwab  <schwab@suse.de>
2457
2458         PR target/24757
2459         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2460         insn.
2461
2462 2005-11-19  Richard Henderson  <rth@redhat.com>
2463
2464         PR tree-opt/24665
2465         * tree-gimple.c (is_gimple_id): Export.
2466         * tree-gimple.h (is_gimple_id): Declare.
2467         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2468         (get_default_value): Use it.
2469         (maybe_fold_stmt_indirect): Likewise.
2470
2471 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2472
2473         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2474         than VR1 or vice-versa.
2475
2476 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2477
2478         PR middle-end/24912
2479         PR middle-end/24750
2480         * reload.c (find_reloads_address_1): Mention dependency on
2481         gen_reload.
2482         * reload1.c (gen_reload): For IN with an unary operation, try
2483         moving inner expression to OUT if trivial SET is not valid.
2484         Confirm that the result is valid.  Move common code block into...
2485         (emit_insn_if_valid_for_reload): New function.
2486
2487 2005-11-19  Richard Guenther  <rguenther@suse.de>
2488
2489         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2490         ARRAY_REFs of constant strings.
2491
2492 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2493
2494         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2495         fatal format string.
2496
2497 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2498
2499         * combine.c (make_compound_operation): Swap operands of
2500         commutative operation if necessary before returning.
2501
2502 2005-11-19  Richard Guenther  <rguenther@suse.de>
2503
2504         PR middle-end/23294
2505         * fold-const.c (fold_plusminus_mult_expr): New function.
2506         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2507         cases, remove now unnecessary code.
2508
2509 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2510
2511         * gensupport.c (old_preds): Rename to std_preds, add special field.
2512         (struct old_pred_table): Rename to struct std_pred_table, add special
2513         field.
2514         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2515         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2516         (init_predicate_table): Adjust, and set along the way whether a
2517         predicate is special.
2518
2519 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2520
2521         * BASE-VER: Change to 4.2.0.
2522
2523 2005-11-18  James E Wilson  <wilson@specifix.com>
2524
2525         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2526         returning it.
2527
2528 2005-11-18  Mike Stump  <mrs@apple.com>
2529
2530         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2531         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2532         * c-decl.c (lookup_name_two) Remove.
2533         * c-tree.h (lookup_name_two): Remove.
2534         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2535         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2536         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2537         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2538
2539 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2540
2541         PR target/24914
2542         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2543         when not generating code to use that co-processor.
2544
2545 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2546
2547         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2548         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2549         these functions are now in tree-phinodes.c.
2550
2551 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2552
2553         * config/bfin/bfin.md (trap): New pattern.
2554
2555 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2556
2557         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2558         on types.
2559
2560         * expr.c (expand_expr_real): Don't call record_block_change unless
2561         ib_boundaries_block is non-null
2562
2563         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2564
2565         * fold-const.c (build_range_check): Use proper type for subtraction
2566         when merging lower bound.
2567
2568 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2569
2570         PR rtl-optimization/24497
2571         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2572         the copied insn.
2573
2574 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2575
2576         * tree-scalar-evolution.c (expression_expensive_p): New function.
2577         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2578
2579 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2580
2581         * config/bfin/crtlibid.s: New file.
2582
2583 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2584
2585         PR target/24348
2586         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2587         when not using sjlj exceptions.
2588         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2589         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2590         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2591         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2592         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2593         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2594         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2595         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2596         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2597         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2598         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2599         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2600         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2601         defines.
2602         * config/pa/hpux-unwind.h: New file.
2603
2604 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2605
2606         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2607         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2608         * varasm.c (do_assemble_alias): Adjust call.
2609         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2610         is defined.
2611         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2612
2613 2005-11-17  James E Wilson  <wilson@specifix.com>
2614
2615         * tree.def (FUNCTION_DECL): Correct typo in comment.
2616
2617 2005-11-17  Richard Henderson  <rth@redhat.com>
2618
2619         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2620         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2621         and DW_CFA_def_cfa_sf.
2622         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2623         (dbx_reg_number): Don't assert particular registers here.
2624         (based_loc_descr): ... do it here instead.  Fold in ...
2625         (eliminate_reg_to_offset): ... this function.
2626         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2627         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2628         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2629         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2630         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2631         (instantiate_virtual_regs): Likewise.
2632         * var-tracking.c (adjust_stack_reference): Likewise.
2633         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2634
2635 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2636
2637         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2638         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2639         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2640         crtlibid.o.
2641         ($(T)crtlibid.o): New rule.
2642
2643 2005-11-16  Richard Guenther  <rguenther@suse.de>
2644
2645         PR middle-end/24851
2646         * fold-const.c (extract_array_ref): Return byte offset
2647         in all cases.
2648         (fold_binary): Fold &x[a] CMP &x[b] to
2649         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2650         behavior.
2651
2652 2005-11-16  Richard Henderson  <rth@redhat.com>
2653
2654         PR middle-end/23497
2655         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2656         parts of an SSA_NAME.
2657
2658 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2659
2660         PR target/24861
2661         * arm.md (split for movsf with immediate): Restrict split to insns
2662         that set a general register.
2663
2664 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2665
2666         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2667         uw_update_context.
2668         * unwind-dw2.c (uw_advance_context): Likewise.
2669         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2670         _Unwind_SjLj_Unregister.
2671         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2672
2673 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2674
2675         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2676
2677 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2678
2679         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2680         langhook to get a DImode integer type.
2681
2682 2005-11-16  Richard Henderson  <rth@redhat.com>
2683             J"orn Rennecke <joern.rennecke@st.com>
2684             Ulrich Weigand  <uweigand@de.ibm.com>
2685
2686         PR rtl-opt/24160
2687         PR target/24621
2688         * reload1.c (reg_equiv_invariant): New.
2689         (reload): Allocate, initialize, and free it.
2690         (calculate_needs_all_insns): Check it when skipping equivalence
2691         setting insns.
2692         (alter_reg): Likewise.
2693         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2694         may_use_invariant argument; only use reg_equiv_invariant when true.
2695         (eliminate_regs): New.
2696         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2697         a context for which may_use_invariant may be true.
2698
2699 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2700
2701         * fold-const.c (const_binop): Don't constant fold the operation
2702         if the result has overflowed and flag_trapping_math.
2703         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2704
2705 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2706
2707         * config/arm/unwind-arm.c (abort): Add prototype here.
2708         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2709         (struct phase1_vrs): Add prev_sp.
2710         (unwind_phase2_forced): Save the original core registers instead of
2711         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2712         and set action flags accordingly.  Always set _US_END_OF_STACK when
2713         get_eit_entry fails.  Unwind before calling the stop function.
2714         (_Unwind_GetCFA): New function.
2715         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2716         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2717         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2718         just call unwind_phase2_forced.
2719         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2720         * config/arm/unwind-arm.h (abort): Remove prototype.
2721         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2722         prototypes.
2723         (_Unwind_GetCFA): New prototype.
2724         * config/arm/pr-support.c (abort): Add prototype here.
2725         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2726         forced unwinding.
2727         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2728         not schedule the prologue with non-call exceptions and EABI.
2729
2730 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2731
2732         * config/arm/unwind-arm.h: Reorder interface function declarations.
2733         (_URC_END_OF_STACK): New enumeration value.
2734         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2735         (struct _Unwind_Control_Block): Document reserved field use.
2736         (_Unwind_Stop_Fn): New typedef.
2737         (_Unwind_ForcedUnwind): Declare.
2738         (_Unwind_Resume_or_Rethrow): Declare.
2739         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2740         argument.  Adjust.
2741         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2742         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2743         (UCB_FORCED_STOP_ARG): New.
2744         (search_EIT_table): Update boundary condition checks.
2745         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2746         (unwind_phase2): Replace for with do..while.
2747         (unwind_phase2_forced): New.
2748         (__gnu_Unwind_RaiseException): Replace for with do..while.
2749         (__gnu_Unwind_ForcedUnwind): New.
2750         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2751         Use appropriate phase2 unwinder.
2752         (__gnu_Unwind_Resume_or_Rethrow): New.
2753         (__gnu_unwind_pr_common): Cope with forced unwinding.
2754
2755 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2756
2757         PR target/24772
2758         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2759
2760         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2761         roundsf2): Remove "s" from mnemonic.
2762
2763 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2764
2765         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2766         __PIC__ is defined.
2767         * config/bfin/crtn.s: Change epilogues to match.
2768         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2769         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2770         __PIC__ and __pic__.
2771
2772 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2773
2774         PR 24357
2775         * doc/invoke.texi: Distinguish between free and fixed form instead of
2776         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2777         languages.
2778         * gcc.c (default_compilers): Remove double entries, add entries for
2779         suffixes '.F90' and '.F95'.
2780
2781 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2782
2783         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2784         in the stack probing loop.
2785
2786 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2787
2788         * configure.ac: Use .machine power5 not power5x.
2789         * configure: Regenerate.
2790
2791 2005-11-15  Mike Stump  <mrs@apple.com>
2792
2793         * c-decl.c (lookup_name_two): Add.
2794         * c-tree.h (lookup_name_two): Likewise.
2795         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2796         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2797
2798 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2799
2800         PR rtl-optimization/23392
2801         * regrename.c (enum scan_actions) Add mark_access.
2802         (scan_actions_name): Ditto.
2803         (scan_rtx_reg): Handle mark_access.
2804         (scan_rtx_address): Do nothing for mark_access.
2805         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2806         and regs in REG_INC notes before closing chains for dead regs.
2807         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2808         opening chains for new writes.
2809
2810 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2811
2812         * c.opt (ffixed-line-length-none): New.
2813
2814 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2815
2816         * mklibgcc.in: Change contents of eh_dummy.c.
2817
2818 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2819
2820         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2821
2822 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2823
2824         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2825         of making syscalls.
2826         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2827
2828 2005-11-15  Jan Hubicka  <jh@suse.cz>
2829
2830         * invoke.texi (large-unit-insns): Document.
2831         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2832         * params.def (large-unit-insns): New param.
2833
2834 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2835
2836         PR target/24869
2837         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2838         special register for operand 3.  Reindent constraints to align
2839         them vertically.
2840
2841 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2842
2843         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2844         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2845         * configure.ac: Add test for FP rounding instructions.
2846         * configure: Regenerate.
2847         * config.in: Regenerate.
2848         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2849         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2850         features enabled.
2851         * config/rs6000/rs6000.opt (mfprnd): New.
2852         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2853         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2854         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2855         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2856         (TARGET_FPRND): New.
2857         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2858         UNSPEC_FRIZ): New.
2859         (btrunc<mode>2): New.
2860         (ceil<mode>2): New.
2861         (floor<mode>2): New.
2862         (round<mode>2): New.
2863
2864 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2865
2866         * gcc.c (version_compare_spec_function): Use fatal() rather than
2867         abort().
2868
2869         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2870         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2871         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2872         as empty.
2873         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2874         link in crt2.o.
2875
2876         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2877         on -mmacosx-version-min setting.
2878
2879 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2880
2881         PR 24840
2882         * tree-vrp.c (infer_value_range): Return false if STMT is a
2883         block terminator and its basic block has no successors.
2884
2885 2005-11-14  Mike Stump  <mrs@apple.com>
2886
2887         * config/i386/i386.c (override_options): -masm=intel isn't
2888         supported on darwin.
2889         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2890
2891 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2892
2893         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2894         vfork after including auto-host.h.
2895
2896 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2897
2898         PR rtl-optimization/22002
2899         * combine.c (distribute_notes): Detect cases where a reg dies
2900         two or more times in a bb, including on the insn we are combining,
2901         and place the death note on the correct range.
2902
2903 2005-11-14  Dale Johannesen  <dalej@apple.com>
2904
2905         * expmed.c (store_bit_field):  Add offset unconditionally for
2906         memory targets.
2907         (extract_bit_field):  Don't force extzv or extv operand into
2908         a register if field is too big.
2909
2910 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2911
2912         * config/arm/arm.c (pic_labelno): New.
2913         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2914         LABEL_REF.  Pass only the labelno to PIC insns.
2915         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2916         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2917         * arm.md (UNSPEC_PIC_LABEL): New constant.
2918         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2919         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2920         Use the correct label prefix.
2921
2922 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2923
2924         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2925         REQ_EQUIV note.
2926
2927 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2928
2929         * loop-invariant.c: Include tm_p.h.
2930         * Makefile.in: Updated.
2931
2932 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2933
2934         * pa.c (store_reg): Revise generation of frame notes in large frames.
2935         (set_reg_plus_d): Likewise.
2936
2937 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2938
2939         PR tree-optimization/24709
2940         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2941         loop check.
2942
2943 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2944
2945         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2946         and duplicate declaration of pthread_self.
2947
2948 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2949             Ian Lance Taylor  <ian@airs.com>
2950
2951         PR middle-end/24003
2952         * calls.c (expand_call): If TARGET is a MEM and some part of the
2953         argument area has been saved, force TARGET to a register.
2954
2955 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2956
2957         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2958         checking.
2959
2960 2005-11-13  Jason Merrill  <jason@redhat.com>
2961
2962         PR c++/22489
2963         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2964         lazily declared methods.
2965         (force_decl_die): Stop if forcing out the context already make a
2966         DIE for the decl.
2967         (force_type_die): Likewise.
2968
2969 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2970
2971         PR middle-end/24820
2972         * builtins.c (integer_valued_real_p): Add break in
2973         REAL_CST having TREE_OVERFLOW set.
2974
2975 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2976
2977         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2978         addressing modes during calculation of costs.
2979
2980 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2981
2982         * function.c (assign_stack_local_1): Restrict sanity check
2983         on frame size overflow to 32-bit and above platforms.
2984
2985 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2986
2987         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2988         * config/cris/cris.c: Include reload.h.
2989         (cris_initial_elimination_offset): New function.
2990         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2991         Prototype.
2992
2993 2005-11-12  Richard Guenther  <rguenther@suse.de>
2994
2995         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2996
2997 2005-11-12  Jan Hubicka  <jh@suse.cz>
2998
2999         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3000         to compare against 0 when possible.
3001
3002 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3003
3004         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3005         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3006         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3007         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3008         in the new order.
3009
3010 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         * recog.c (constrain_operands) <case 'g'>: For a match, require
3013         that a non-register matches general_operand when strict >= 0.
3014
3015 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3016
3017         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3018         previous checkin.
3019
3020 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3021
3022         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3023         (memory_address_same): New.
3024         (dse_optimize_stmt): Call memory_address_same.
3025
3026 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3027
3028         PR middle-end/24750
3029         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3030         ZERO_EXTEND>: New cases.
3031
3032 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3033
3034         * longlong.h (__clz_tab): Always provide.
3035
3036 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3037
3038         PR 24265
3039         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3040         can be assigned to.
3041         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3042         before check_maybe_invariant.
3043         (move_invariant_reg): Use gen_move_insn instead of replacing
3044         SET_DEST with the temporary for the invariant.
3045         (move_loop_invariants): If checking is enabled, do internal
3046         consistency checks after completing the pass.
3047
3048 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3049
3050         PR 24644
3051         * common.opt (Wvolatile-register-var): New.
3052         * varasm.c (make_decl_rtl): Only emit warning when option
3053         specified.  Clarify warning message.
3054         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3055
3056         * doc/md.texi (copysign): Document standard named pattern.
3057
3058 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3059
3060         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3061         bytes when align is 2.
3062         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3063         by the first instruction of the loop.
3064
3065 2005-11-11  Jason Merrill  <jason@redhat.com>
3066
3067         PR c++/24686
3068         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3069         the cleanup list.
3070
3071 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3072
3073         PR rtl-optimization/22509
3074         * local-alloc.c (memref_used_between_p): Check whether a function call
3075         could not reference the memref.
3076
3077 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3078
3079         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3080         algorithm so as to choose the best, not the worst, alternative.
3081         Reset accumulated register class before processing next alternative.
3082
3083 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3084
3085         PR target/24445
3086         * calls.c (expand_call): Copy a return value to a plain register
3087         if needed.
3088
3089 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3090
3091         PR target/24778
3092         * varasm.c (assemble_name): Recompute name only for transparent
3093         aliases.
3094
3095 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3096
3097         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3098
3099 2005-11-04  Jeff Law  <law@redhat.com>
3100
3101         PR middle-end/23181
3102         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3103         perform reassociation if the parent statement will not die as
3104         a result of the optimization.
3105
3106 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3107
3108         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3109         delete_old_heap_vars.
3110         * tree-dfa.c (referenced_var_remove): Remove function.
3111         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3112         (delete_tree_ssa): Remove call to delete_old_heapvars.
3113         Add call to delete_alias_heapvars.
3114         * tree-flow.h (referenced_var_remove): Remove prototype
3115         (init_alias_heapvars): New prototype.
3116         (delete_alias_heapvars): Ditto.
3117         * Makefile.in (tree-ssa-structalias.o): Add
3118         gt-tree-ssa-structalias.o
3119         (GTFILES): Add tree-ssa-structalias.h and
3120         tree-ssa-structalias.c.
3121         (s-gtype): Add gt-tree-ssa-structalias.h.
3122         * tree-ssa-structalias.c (heapvars): Remove.
3123         (oldheapvars): Remove.
3124         (heapvar_for_stmt): New variable.
3125         (heapvar_lookup): New function.
3126         (heapvar_insert): Ditto.
3127         (get_constraint_for): See if we have an old heapvar
3128         to reuse.
3129         (init_alias_heapvars): New function.
3130         (delete_alias_heapvars): Ditto.
3131         Add include of gt-tree-ssa-structalias.h.
3132
3133 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3134
3135         PR middle-end/22127
3136         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3137
3138 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3139
3140         * tree.c (int_fits_type_p): Only look at the base type
3141         if it has the same precision as the original type.
3142
3143 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR other/4372
3146         * varasm.c (assemble_alias): Use %q+D in the error
3147         message instead of %J and %qD.
3148
3149 2005-11-10  Richard Guenther  <rguenther@suse.de>
3150
3151         * gcse.c (free_ldst_entry): Only free hashtable if
3152         it exists.
3153
3154 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3155
3156         * function.c (assign_stack_local_1): Issue an error message if
3157         the frame size overflows in the signed target arithmetics.
3158
3159 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3160
3161         * tree.c (build_qualified_type): Chain the new type to the original
3162         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3163         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3164         (build_pointer_type_for_mode): Only return unqualified types.
3165         (build_reference_type_for_mode): Likewise.
3166
3167 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3168
3169         * Makefile.in (gnucompare): Do comparison of all files using one of
3170         the chosen methods and only afterwards decide if just warning should
3171         be issued or comparison failure raised.
3172
3173 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3176         (noce_try_abs): Negate if the comparison is reversed.
3177         Look only one instruction backwards for a REG_EQUAL note.
3178
3179 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3180
3181         PR other/4372
3182         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3183         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3184         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3185         and prefix all uses with __ghtrw.
3186
3187 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3188
3189         PR other/4372
3190         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3191         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3192         * c-common.c (handle_weakref_attribute): New.
3193         (c_common_attribute_table): Add weakref.
3194         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3195         in the assembler.
3196         * configure, config.in: Rebuilt.
3197         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3198         * doc/extend.texi: Document weakref attribute.
3199         * varasm.c (ultimate_transparent_alias_target): New
3200         (assemble_name): Use it.
3201         (weak_finish_1): Split out of...
3202         (weak_finish): ... and deal with weakrefs in...
3203         (weakref_targets): ... new list.
3204         (globalize_decl): Clean up weakref_targets.
3205         (do_assemble_alias): Handle weakrefs.
3206         (finish_aliases_1): Do not reject weakrefs to external symbols.
3207         (assemble_alias): Handle weakrefs.
3208
3209 2005-11-09  Richard Guenther  <rguenther@suse.de>
3210
3211         PR tree-optimization/24716
3212         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3213         t_bool to track results from follow_ssa_edge.
3214
3215 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3216
3217         * final.c (force_source_line): New global variable.
3218         (final_scan_insn): Set it to true instead of clearing last_filename.
3219         (notice_source_line): Return true if force_source_line is true,
3220         unless source info is absent.
3221
3222 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3223
3224         PR c/24644
3225         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3226         a linkage name for a variable if it a register variable.
3227         * c-decl.c (grokdeclarator): Global register variables
3228         should be set as PUBLIC.
3229
3230 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3231
3232         PR 24624
3233         * config/s390/s390.c (struct s390_frame_layout): New fields
3234         first_save_gpr_slot and last_save_gpr_slot.
3235         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3236         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3237         first_save_gpr and last_save_gpr with the _slot variants.
3238         (s390_register_info): Calculate first_save_gpr_slot and
3239         last_save_gpr_slot using regs_ever_live.
3240
3241 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3242
3243         PR 24623
3244         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3245         for a function containing a landing pad.
3246
3247 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3248
3249         PR 24034
3250         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3251         is live afterwards.
3252
3253 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3254
3255         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3256         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3257
3258 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3259
3260         Add ms2 support
3261         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3262         constants.
3263         (call,load,store): New insn types.
3264         (mem_access, branch_access): Adjust reservation conditions.
3265         (define_delay): Adjust condition.
3266         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3267         type.
3268         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3269         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3270         insn type.
3271         (call_internal, call_value_internal, return_internal,
3272         return_interrupt_internal, eh_return_internal, indirect_jump,
3273         tablejump): Set call insn type.
3274         (blockage, ei, di): Use appropriate unspec const.
3275         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3276         (ms1_get_attr_type): Adjust to give load & store types.
3277         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3278         backwards past a barrier.
3279         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3280         branch scheduling.
3281         (struct branch_info, struct label_info): New.
3282         (ms1_labels): New.
3283         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3284         (ms1_machine_reorg): New.
3285         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3286         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3287         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3288         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3289         (TARGET_MS2): New.
3290
3291 2005-11-09  Per Bothner  <per@bothner.com>
3292             Uros Bizjak  <uros@kss-loka.si>
3293
3294         PR c/24101
3295         * toplev.c (process_options): Initialize debug_hooks early
3296         in case lang_hooks.post_options ends up calling a debug_hook.
3297
3298 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3299
3300         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3301         DBX_REGISTER_NUMBER being contiguous.
3302
3303 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3304             Diego Novillo  <dnovillo@redhat.com>
3305
3306         PR 23046
3307         * tree-vrp.c (register_edge_assert_for): Do not register
3308         always-false predicates.
3309
3310 2005-11-08  Devang Patel <dpatel@apple.com>
3311
3312         PR tree-optimization/23115
3313         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3314         relation.
3315
3316 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3317
3318         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3319         -mcpu=440.
3320
3321 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3322
3323         Fix PR tree-optimization/23382
3324
3325         * tree-ssa-alias.c (compute_may_aliases): Call
3326         delete_old_heap_vars.
3327         * tree-dfa.c (referenced_var_remove): New function.
3328         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3329         * tree-flow.h (referenced_var_remove): Add prototype.
3330         (delete_old_heap_vars): Ditto.
3331         * tree-ssa-structalias.c (heapvars): New variable.
3332         (oldheapvars): Ditto.
3333         (get_constraint_for): Put heap vars on heapvars list.
3334         (delete_old_heap_vars): New function.
3335
3336 2005-11-08  Jason Merrill  <jason@redhat.com>
3337
3338         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3339
3340 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3341
3342         PR target/19340
3343         * reg-stack.c (reg_to_stack): Update register liveness also
3344         for flag_sched2_use_traces.
3345
3346 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3347
3348         PR target/23704
3349         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3350         override prior explicit -mno-powerpc-gfxopt.
3351
3352 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3353
3354         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3355         if the bitsize is zero.
3356         * doc/md.texi (Standard Pattern Names): Document it.
3357
3358         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3359         (TARGET_PASS_BY_REFERENCE): Likewise.
3360
3361 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3362
3363         PR rtl-optimization/24683
3364         * config/i386/i386.c (legitimize_pic_address): If constant operand
3365         to PLUS is too large, put it in a register.
3366
3367 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3368
3369         * configure.ac: Enable checking assembler dwarf2 support for bfin
3370         target.
3371         * configure: Regenerate.
3372
3373 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3374
3375         PR target/24230
3376
3377         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3378         gen_easy_vector_constant_add_self): Delete.
3379         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3380         New.
3381         (output_vec_const_move): Use gen_easy_altivec_constant.
3382         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3383         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3384         (easy_vector_constant_add_self): Rewritten.
3385         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3386         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3387         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3388         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3389         Macroize and adjust for the other changes.
3390
3391 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3392
3393         PR c/24599
3394
3395         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3396         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3397
3398 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3399
3400         PR rtl-optimization/23567
3401         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3402         (noce_process_if_block): Don't do any optimizations except
3403         if (cond) x = x; if !set_b and write into orig_x may trap
3404         or fault.  Remove the MEM_READONLY_P check.
3405
3406 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3407
3408         PR 24670
3409         * tree-vrp.c (fix_equivalence_set): New.
3410         (extract_range_from_assert): Call it.
3411
3412 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3413
3414         PR target/22432
3415         * combine.c (apply_distributive_law): Don't distribute across a
3416         vector mode subreg.
3417
3418 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3419
3420         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3421         config/ms1/ms1.h, config/rs6000/predicates.md,
3422         config/s390/s390.c, params.def, postreload-gcse.c,
3423         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3424         tree-vrp.c, tree.c: Fix comment typos.
3425         * doc/invoke.texi: Fix typos.
3426
3427 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3428
3429         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3430         for testing whether the data_dependence_relation contains distance
3431         vectors.  Iterate over all distance vectors of the ddr.
3432         * lambda.h: Define a vec of lambda_vector pointers.
3433         * tree-data-ref.c (dump_data_dependence_relation,
3434         dump_data_dependence_direction): Iterate over all distance and
3435         direction vectors of the ddr.
3436         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3437         DDR_DIST_VECTS.
3438         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3439         of distance/direction vectors instead of a single one.
3440         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3441         lambda_vectors with a vec of lambda_vectors.
3442         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3443         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3444         DDR_NUM_DIST_VECTS): New.
3445         * tree-loop-linear.c (gather_interchange_stats): Test for the
3446         existence of distance vectors only after having checked that there
3447         is a dependence.  Iterate over all distance vectors of the ddr.
3448         (linear_transform_loops): Use dump_data_dependence_relation.
3449         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3450         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3451         distance vectors of the ddr.
3452
3453 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3454
3455         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3456         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3457         IS_INTHANDLER; all callers changed.
3458         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3459         account.
3460         (do_link, do_unlink): New argument ALL; all callers changed.
3461         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3462         If function isn't leaf, save and restore all registers.
3463         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3464         exception handler.
3465
3466 2005-11-05  Jan Hubicka  <jh@suse.cz>
3467
3468         PR rtl-optimization/23490
3469         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3470         max-flow-memory-location): Document.
3471         * flow.c: Include params.h
3472         (MAX_MEM_SET_LIST_LEN): Kill.
3473         (add_to_mem_set_list): Use new param.
3474         * cse.c (cse_basic_block): Replace 1000 by new param.
3475         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3476         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3477         * predict.c (predict_loops): Use new param.
3478         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3479
3480         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3481         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3482         Do not hold memory returned by cgraph_node_name across other call.
3483
3484 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3485
3486         PR target/23424
3487         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3488         Disable.
3489
3490 2005-11-04  Jeff Law  <law@redhat.com>
3491
3492         PR/21883
3493         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3494         * tree-ssa-dom.c: Include params.h.
3495         (thread_across_edge): If there are too many statements in the
3496         target block, then do not thread through it.
3497         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3498         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3499
3500 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3501
3502         PR 24627
3503         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3504         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3505
3506 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3507
3508         PR/18595
3509         * tree-scalar-evolution.c (instantiate_parameters_1,
3510         instantiate_parameters, resolve_mixers): Compute the size of an
3511         expression to be instantiated and give up the instantiation if the
3512         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3513
3514 2005-11-04  Richard Guenther  <rguenther@suse.de>
3515
3516         * tree-flow.h (ref_contains_indirect_ref): Rename to
3517         array_ref_contains_indirect_ref.
3518         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3519         (array_ref_contains_indirect_ref): Make comment match the code
3520         and vice-versa.
3521         (ref_contains_array_ref): Likewise.
3522         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3523         ref_contains_indirect_ref.
3524         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3525         Rename calls to ref_contains_indirect_ref.
3526
3527 2005-11-04 Paul Brook  <paul@codesourcery.com>
3528
3529         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3530         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3531         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3532         * config/arm/arm.md: Use match_operand in peephole input templates
3533         and match_dup in peephole output templates.
3534
3535 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3536
3537         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3538         __aeabi_uidiv.
3539
3540 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3541             Daniel Jacobowitz  <dan@codesourcery.com>
3542
3543         * longlong.h (add_ssaaaa): Clobber condition code register
3544         in ARM version.
3545         (sub_ddmmss): Likewise.
3546         (umul_ppmm): Likewise.
3547
3548 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3549             Paul Brook  <paul@codesourcery.com>
3550             Phil Blundell  <pb@reciva.com>
3551
3552         * configure.ac: Add test for ARM TLS support.
3553         * configure: Regenerated.
3554         * config/arm/arm-protos.h (legitimize_tls_address)
3555         (arm_tls_referenced_p, tls_mentioned_p)
3556         (arm_output_addr_const_extra): New prototypes.
3557         (thumb_legitimize_pic_address): Delete.
3558         * config/arm/arm.c: Include "gt-arm.h".
3559         (enum tls_reloc): New.
3560         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3561         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3562         (arm_call_tls_get_addr, legitimize_tls_address)
3563         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3564         (arm_init_tls_builtins, arm_emit_tls_decoration)
3565         (arm_output_addr_const_extra): New functions.
3566         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3567         (TARGET_HAVE_TLS): Define.
3568         (target_thread_pointer): New.
3569         (arm_override_options): Handle -mtp=.
3570         (legitimize_pic_address): Ignore UNSPECs.
3571         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3572         relative symbols.
3573         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3574         (tls_get_addr_libfunc): New variable.
3575         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3576         (arm_init_builtins): Call arm_init_tls_builtins.
3577         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3578         (arm_encode_section_info): Call default_encode_section_info.
3579         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3580         (enum arm_tp_type): New.
3581         (target_thread_pointer): Add declaration.
3582         (LEGITIMATE_CONSTANT_P): Handle TLS.
3583         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3584         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3585         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3586         * config/arm/arm.md: Add UNSPEC_TLS.
3587         (movsi): Handle TLS.
3588         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3589         non-PIC.
3590         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3591         (load_tp_hard, load_tp_soft): New insns.
3592         * arm.opt: Add -mtp=.
3593         * doc/invoke.texi (ARM Options): Document -mtp.
3594
3595 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3596
3597         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3598         * config/arm/libunwind.S: Include "lib1funcs.asm".
3599         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3600         (LIB2ADDEH): Add libunwind.S.
3601         (LIB2ADDEHDEP): Add lib1funcs.asm.
3602         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3603
3604 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3605
3606         PR fortran/18452
3607         * gcc/c.opt: Add a -lang-fortran option.
3608         * gcc/c-opts.c: Add a lang_fortran flag.
3609         (c_common_init_options): Handling the -lang-fortran option.
3610         (c_common_handle_option): Add a case for Fortran options in
3611         preprocessing. Remove cases for -ffixed-form and
3612         -ffixed-line-length. Add a case for -lang-fortran.
3613
3614 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3615
3616         * config/rs6000/rs6000.c: Include params.h
3617         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3618         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3619         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3620         (UNSPEC_VPKUWSS): Delete.
3621         (altivec_vpkuhss): Delete.
3622         (altivec_vpkuwss): Delete.
3623         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3624         final condition.
3625         (neg_eq0<mode>): Remove final condition.
3626         (neg_eq<mode>): Remove condition and split-condition.
3627
3628 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3629
3630         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3631         Use associated print macros.
3632
3633 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3634
3635         PR c++/17964
3636         * diagnostic.c (diagnostic_set_info_translated): New function.
3637         (diagnostic_set_info): Use it.  Add comment.
3638         * diagnostic.h (diagnostic_set_info_translated): Declare.
3639
3640 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3641
3642         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3643         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3644         reference only if 'public' is true.
3645         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3646         emit the .hidden directive only if the indirect reference is public.
3647         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3648         Pass it to dw2_force_const_mem.
3649         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3650         * dwarf2out.c (output_cfi): Adjust calls to above function.
3651         (output_call_frame_info): Likewise.
3652         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3653         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3654
3655 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3656
3657         PR tree-optimization/24483
3658         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3659         field to elts if possible.
3660
3661 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3662
3663         PR middle-end/23155
3664         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3665         CONSTRUCTOR.
3666
3667 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3668
3669         Fix PR tree-optimization/24351
3670
3671         * tree-ssa-structalias.c (struct variable_info): Add
3672         collapsed_into.
3673         (get_varinfo_fc): New function to follow collapsing.
3674         (new_var_info): Set collapsed_to to NULL.
3675         (dump_constraint): Follow collapsing.
3676         (build_constraint_graph): Handle collapsing.
3677         (do_simple_structure_copy): Return false if something bad
3678         happened.
3679         (collapse_rest_of_var): New function.
3680         (do_structure_copy): Collapse if do_simple_structure_copy returns
3681         false.
3682
3683 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3684
3685         PR middle-end/24589
3686         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3687         expressions to a statement list instead of gimplifying them.
3688
3689 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3690
3691         PR rtl-optimization/23585
3692         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3693         that can't trap plus a constant integer, if the mode has zero size.
3694
3695 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3696
3697         PR target/24620
3698         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3699         as operand 2.
3700         ("*insv<mode>_reg_extimm"): Likewise.
3701
3702 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3703
3704         PR c/24329
3705         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3706         c_common_type_for_mode returns an unnamed type.
3707
3708 2005-11-02  Richard Henderson  <rth@redhat.com>
3709
3710         PR target/9350
3711         PR target/24374
3712         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3713         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3714         * function.c (assign_parms): Use calls.internal_arg_pointer.
3715         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3716         code.
3717         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3718         (TARGET_CALLS): Add it.
3719         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3720         * targhooks.c (default_internal_arg_pointer): New.
3721         * targhooks.h (default_internal_arg_pointer): Declare.
3722         * tree.h (dwarf2out_reg_save_reg): Declare.
3723         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3724         * config/i386/i386.c (dbx_register_map): Add return column.
3725         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3726         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3727         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3728         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3729         (ix86_save_reg): Save force_align_arg_pointer.
3730         (ix86_emit_save_regs): Make regno unsigned.
3731         (ix86_emit_save_regs_using_mov): Likewise.
3732         (ix86_expand_prologue): Handle force_align_arg_pointer.
3733         (ix86_expand_epilogue): Likewise.
3734         * config/i386/i386.h: (dbx_register_map): Update.
3735         (dbx64_register_map, svr4_dbx_register_map): Update.
3736         (struct machine_function): Add force_align_arg_pointer.
3737         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3738         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3739         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3740
3741 2005-11-02  Jan Hubicka  <jh@suse.cz>
3742
3743         PR target/23303
3744         * i386.md: Add peep2 for simplyfing array accesses.
3745
3746 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3747
3748         PR target/24615
3749         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3750         * config/s390/s390.c (s390_decompose_shift_count): New function.
3751         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3752         (print_shift_count_operand): Use s390_decompose_shift_count.
3753         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3754         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3755
3756 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3757
3758         PR target/24600
3759         * loop.c (loop_givs_rescan): Use force_operand to expand
3760         complex GIVs.
3761
3762 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3763
3764         PR 22429
3765         * fold-const.c (build_range_check): Use unsigned when signed
3766         overflow is undefined also.  If etype is subtype, make sure that
3767         the subtraction is in the supertype.
3768
3769 2005-11-02  Richard Henderson  <rth@redhat.com>
3770
3771         PR target/24178
3772         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3773         by MEM_ALIGN.
3774
3775 2005-11-01  Richard Henderson  <rth@redhat.com>
3776
3777         PR 21518
3778         * loop.c (scan_loop): Do not propagate computations to a hard
3779         register destination with SMALL_REGISTER_CLASSES.
3780
3781 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3782
3783         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3784         costs for MULT inside PLUS or MINUS.
3785
3786 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3787
3788         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3789         (TRAMPOLINE_SIZE): Round up to 60.
3790         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3791
3792 2005-10-31  James E. Wilson  <wilson@specifix.com>
3793
3794         PR debug/24444
3795         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3796         ifdef.  Put ifdefs around call in gen_subprogram_die.
3797         (compute_frame_pointer_to_cfa_displacement): Likewise.
3798         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3799         not defined.
3800
3801         PR rtl-optimization/17356
3802         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3803         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3804
3805 2005-10-31  Jan Hubicka  <jh@suse.cz>
3806
3807         PR middle-end/24093
3808         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3809
3810         PR target/20928
3811         * i386.c (legitimize_pic_address): Deal with large immediates.
3812
3813         PR profile/20815
3814         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3815         from symbol names while computing checkup.
3816
3817         PR profile/24487
3818         * predict.c (predict_loops): Do not estimate more than
3819         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3820         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3821
3822 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3823
3824         PR tree-optimization/19097
3825         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3826
3827 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3828
3829         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3830
3831 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3832
3833         PR middle-end/23492
3834         * tree-inline.c (setup_one_parameter): If the init_stmt
3835         is NULL, don't insert the statement.
3836
3837 2005-10-30  Jan Hubicka  <jh@suse.cz>
3838
3839         PR tree-optimization/24172
3840         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3841
3842 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3843
3844         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3845         constants for hosts with long != 32 bits.
3846
3847 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3848
3849         PR middle-end/24093
3850         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3851
3852 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3853
3854         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3855         (TARGET_MS1_16_002): New.
3856         (TARGET_MS1_16_003): New.
3857
3858         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3859         ("*decrement_and_branch_until_zero_no_clobber"): New.
3860         Add corresponding splitter for decrement_and_branch_until_zero
3861         instruction.
3862         Key all decrement_and_branch_until_zero patterns off of
3863         TARGET_MS1_16_003.
3864
3865 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3866
3867         PR middle-end/24362
3868         * tree-complex.c (extract_component): Treat RESULT_DECL
3869         like the rest of the decls.
3870
3871 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3872
3873         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3874         indirect call to _mcount if the function needs a static chain.
3875
3876 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3877             Caroline Tice  <ctice@apple.com>
3878
3879         PR rtl-optimization/24460
3880         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3881         (dwarf2out_switch_text_section): Set it to true instead of
3882         incrementing separate_line_info_table_in_use.
3883         (output_loc_list): Additionally test have_switched_text_sections.
3884         (output_ranges): Likewise.
3885         (dwarf2out_finish): Likewise.
3886         * varasm.c (assemble_start_function): Do not call
3887         insert_section_boundary_note.
3888         (assemble_end_function): If flag_reorder_blocks_and_partition,
3889         switch to the function's section before emitting the .size directive.
3890         * bb-reorder.c (insert_section_boundary_note): Staticify.
3891         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3892         * output.h (insert_section_boundary_note): Delete.
3893
3894 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3895
3896         PR c/23103
3897         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3898         instead of pointer equality when comparing types.
3899
3900 2005-10-24  James E. Wilson  <wilson@specifix.com>
3901
3902         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3903         add_dependence_list_and_free calls.
3904
3905 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3906
3907         * contrib.texi: Add the names of the LLNL folks who donated
3908         Cray pointer support for gfortran.
3909
3910 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3911
3912         PR tree-optimization/24225
3913         * profile.c (branch_prob): Look from end to start through a
3914         basic block when looking for a locus.
3915
3916 2005-10-24  Richard Henderson  <rth@redhat.com>
3917
3918         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3919         parallel.
3920         (hppa_expand_prologue): Likewise.
3921
3922 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3923
3924         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3925         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3926         * pa.h (NO_PROFILE_COUNTERS): Define.
3927         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3928         (funcdef_nos): New vector to hold label numbers of deferred profile
3929         counters.
3930         (output_deferred_profile_counters): New function.
3931         (hppa_profile_hook): Push label number onto funcdef_nos.
3932         (pa_hpux_file_end): Call output_deferred_profile_counters if
3933         NO_DEFERRED_PROFILE_COUNTERS is false.
3934
3935         * pa-protos.h (get_deferred_plabel): New prototype.
3936         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3937         Make global.
3938         (output_call): Adjust calls.
3939
3940 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3941
3942         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3943         peculiarity of GOT/TOC section usage.
3944
3945 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3946
3947         PR objc/24435
3948          * c-common.c (constant_string_class_name): Add documentation.
3949
3950 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3951
3952         PR target/23832
3953         * recog.c (peephole2_optimize): Increment peep2_current_count
3954         only when the slot is empty.
3955
3956 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3957
3958         PR ada/23957
3959         * except.c (output_function_exception_table): Call
3960         assemble_external_libcall if we need a personality function.
3961
3962 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3963
3964         PR rtl-optimization/24460
3965         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3966         set the basic block for barriers.
3967
3968 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3969
3970         * var-tracking.c (vt_initialize): Initialize post.
3971
3972 2005-10-21  Devang Patel  <dpatel@apple.com>
3973
3974         PR/24220
3975         * c-common.c (vector_types_convertible_p): Check vector element type.
3976
3977 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3978
3979         * config/sh/sh.c (prepare_move_operands): Handle the address
3980         constant which is a tls symbolic address plus a constant.
3981
3982 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3983
3984         PR driver/24473
3985         * gcc.c (main): Use the correct counter for erroring out
3986         about mulitple files.
3987
3988 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3989
3990         PR target/24465
3991         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3992         use r2 for 64-bit tls .got access.
3993
3994 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3995
3996         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3997         TRUTH_OR_EXPR.
3998
3999 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4000
4001         PR tree-optimization/24307
4002         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4003
4004 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4005
4006         PR middle-end/24295
4007         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4008         alias targets.
4009         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4010         is ready, stop marking functions, but still mark variables.
4011
4012 2005-10-20  Richard Guenther  <rguenther@suse.de>
4013
4014         PR c++/24439
4015         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4016         void type operands.
4017
4018 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4019
4020         PR rtl-optimization/23585
4021         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4022         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4023         (may_trap_p_1): New predicate extracted from...
4024         (may_trap_p): ... here.  Invoke may_trap_p_1.
4025         (may_trap_or_fault_p): New predicate.
4026         * rtl.h (may_trap_or_fault_p): Declare it.
4027         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4028         instead of may_trap_p.
4029         (steal_delay_list_from_fallthrough): Likewise.
4030         (fill_simple_delay_slots): Likewise.
4031         (fill_slots_from_thread): Likewise.
4032         * function.c (pad_to_arg_alignment): Rework comment about
4033         SPARC_STACK_BOUNDARY_HACK.
4034         * config/sparc/sparc.h: Likewise.
4035
4036 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4037
4038         * config/s390/s390.c (s390_expand_insv): New.
4039         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4040         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4041         ("icm_hi"): Remove mode attribute.
4042         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4043         Adjust all uses.
4044         ("*extracthi", "*extractqi"): Remove.
4045         (extv<mode>", "*extzv<mode>"): New.
4046         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4047         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4048
4049 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4050
4051         * cfgexpand.c (discover_nonconstant_array_refs_r,
4052         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4053         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4054         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4055         discover_nonconstant_array_refs.
4056
4057 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4058
4059         PR c/23228
4060         * c-decl.c (pop_scope): Don't warn about an unused variable
4061         if it is marked with TREE_NO_WARNING.
4062         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4063         somenow mismatch and olddecl is to be replaced.
4064
4065 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4066
4067         PR middle-end/23199
4068         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4069         whether registers live on the edge can be saved/restored.
4070
4071 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4072
4073         * config/sh/sh.c (fixup_mova): Skip notes.
4074
4075 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4076
4077         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4078         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4079         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4080         (s390_initial_elimination_offset): Likewise.
4081         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4082         register on TARGET_ZARCH targets.
4083         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4084         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4085         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4086         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4087
4088 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4089
4090         * config/s390/s390.md: Comment describing output modifiers updated.
4091         * config/s390/s390.c (print_operand): Likewise.
4092
4093 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4094
4095         * config/s390/s390.c (override_options): Added check for -mstack-size
4096         64k limitation.
4097         * doc/invoke.texi: Mention that limit in the documenation.
4098
4099 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4100
4101         PR #19672
4102         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4103
4104 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4105
4106         Fix PR tree-optimization/24231
4107
4108         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4109         (compute_avail): Ditto.
4110
4111 2005-10-18  Richard Henderson  <rth@redhat.com>
4112
4113         PR target/24428
4114         * config/i386/i386.c (legitimate_constant_p): Check
4115         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4116         if LABEL_REF.
4117         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4118         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4119         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4120         directly.
4121         (print_operand_address): Likewise.
4122         * config/i386/predicates.md (x86_64_immediate_operand): Test
4123         SYMBOL_REF_TLS_MODEL properly inside CONST.
4124         (x86_64_zext_immediate_operand): Likewise.
4125         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4126         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4127         * config/i386/i386-protos.h: Remove predicates.md entries.
4128
4129 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4130
4131         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4132         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4133
4134 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4135             Ian Lance Taylor <ian@airs.com>
4136
4137         PR middle-end/23522
4138         * fold-const.c (fold_widened_comparison): Do not allow range based
4139         constant folding when right operand cannot be unwidened.
4140
4141 2005-10-17  Richard Henderson  <rth@redhat.com>
4142
4143         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4144         with a memory clobber.
4145
4146 2005-10-17  James E Wilson  <wilson@specifix.com>
4147
4148         PR rtl-optimization/17356
4149         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4150         checking for EDGE_EH.
4151
4152 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4153
4154         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4155         the slot on an even boundary for any type with 16-byte alignment.
4156
4157 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4158
4159         PR target/23424
4160         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4161         after register allocation.
4162
4163 2005-10-17  DJ Delorie  <dj@redhat.com>
4164
4165         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4166         as frame related.
4167
4168 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4169
4170         PR c++/22551
4171         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4172         overflow flags.
4173
4174 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4175
4176         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4177         to 2 if it's already non-zero.
4178         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4179         is set and warn about it if flag_schedule_insns is 1.
4180
4181 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4182
4183         * config/crx/crx.md: Compare-and-branch instructions need to
4184         invalidate CC.
4185
4186 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4187
4188         PR target/24315
4189         * config/i386/i386.md (*pushdi2_rex64 splitter)
4190         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4191         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4192         flow2 pass only when (optimize > 0 && flag_peephole2).
4193
4194 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4195
4196         PR driver/22544
4197         * gcc.c (have_c): New static variable.
4198         (have_o): Likewise.
4199         (process_command): Remove declation of have_c.
4200         Set have_o to 1 when handling -o.
4201         (main): Add a fatel error if there are multiple
4202         files specified and -o and -c/-S is passed witout
4203         -combine or multiple languages.
4204
4205 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4206
4207         Fix PR tree-optimization/22444
4208         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4209         Assert that we don't hit something with subvars.
4210         (setup_pointers_and_addressables): Don't add things with subvars,
4211         because we'll already process the subvars for aliasing purposes.
4212
4213 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4214
4215         PR target/23424
4216         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4217         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4218         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4219         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4220         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4221         swapped, alternatives for the R constraint.
4222
4223         PR middle-end/24341
4224         * builtins.c (get_builtin_sync_mode): Make unlimited
4225         mode_for_size request.
4226
4227 2005-10-15  Richard Henderson  <rth@redhat.com>
4228
4229         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4230         (gimplify_expr): ... here.
4231         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4232         fb_lvalue in base expression.
4233
4234 2005-10-15  Richard Henderson  <rth@redhat.com>
4235
4236         PR 23714
4237         * builtins.c (expand_builtin_trap): Export.
4238         * expr.h (expand_builtin_trap): Declare.
4239         * expr.c (expand_assignment): Emit a trap for integral offsets
4240         from registers that weren't reduced to bitpos.
4241
4242         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4243         (mark_array_ref_addressable): Remove.
4244         * tree-flow.h (mark_array_ref_addressable): Remove.
4245         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4246
4247 2005-10-15  James E Wilson  <wilson@specifix.com>
4248
4249         PR target/24232
4250         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4251         (add_dependence_list_and_free): Likewise.
4252         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4253         call.
4254
4255 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4256
4257         PR 23141
4258         PR 23142
4259         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4260         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4261         anti-range.
4262         (vrp_visit_phi_node): Only prevent infinite iterations when
4263         the previous result and the new result are both VR_RANGEs.
4264
4265 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4266
4267         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4268         function comment.
4269
4270 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4271
4272         PR c/23439
4273         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4274         to initialize loc.
4275
4276 2005-10-14  Per Bothner  <per@bothner.com>
4277
4278         PR preprocessor/21250
4279         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4280
4281 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4282
4283         PR c++/22551
4284         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4285         overflow flags.  Refactor some conditionals.
4286
4287 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4288
4289         PR tree-opt/21304
4290         * tree-dfa.c (add_referenced_var): Only look at decls which
4291         have TREE_CONSTANT or TREE_READONLY set instead of if
4292         !TREE_PUBLIC or !TREE_CONSTANT.
4293
4294 2005-10-13  James E Wilson  <wilson@specifix.com>
4295
4296         * doc/invoke.texi: For -x, add f95-cpp-input.
4297         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4298
4299 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4300
4301         PR tree-optimization/24262
4302         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4303         in loop all the time.
4304
4305 2005-10-12  Richard Henderson  <rth@redhat.com>
4306
4307         PR c/24255
4308         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4309         * function.c (assign_parm_find_data_types): Don't support it.
4310         * print-tree.c (print_node): Likewise.
4311         * c-common.c (handle_transparent_union_attribute): Likewise.
4312         Use build_duplicate_type.
4313         * tree-inline.c (remap_type_1): Split out of remap_type;
4314         properly remap aggregate fields.
4315         (build_duplicate_type): New.
4316         * doc/extend.texi (Variable Attributes): Remove documentation
4317         for transparent_union.
4318
4319 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4320
4321         PR target/24284
4322         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4323         (gen_stack_pointer_dec): Likewise.
4324
4325 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4326
4327         PR middle-end/21275
4328         PR middle-end/21766
4329         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4330         target hook.
4331         (struct cxx): Add adjust_class_at_definition target hook.
4332         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4333         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4334         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4335         hook_void_tree. Add to TARGET_CXX.
4336         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4337         dllimport_flag.
4338         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4339         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4340         instead of attribute. Check for dllexport override.  Warn if
4341         inconsistent dll linkage. Don't lose old dllimport if decl has
4342         had address referenced.   Tweak lookup of dllimport atribute.
4343         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4344         for target specific rules.  Don't add dllimport attribute if
4345         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4346         dllimport attribute.
4347         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4348         * varasm.c (initializer_constant_valid_p): Replace
4349         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4350
4351         PR target/21801
4352         PR target/23589
4353         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4354         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4355         (i[34567]86-*-mingw32*): Likewise.
4356
4357         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4358         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4359
4360         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4361         C++-specific code. Change return value to bool.
4362         (i386_pe_dllimport_p): Likewise.
4363         (associated_type): Simplify and make language-independent
4364         (i386_pe_encode_section_info): Replace override of ambiguous
4365         dllimport symbol refs with a gcc_assert.
4366         (i386_pe_valid_dllimport_attribute_p): Define.
4367         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4368         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4369         i386_pe_adjust_class_at_definition.
4370         * config/i386/winnt-stubs.c: New file. Define stub versions of
4371         lang-specific functions.
4372         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4373         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4374         i386_pe_adjust_class_at_definition.
4375         (i386_pe_valid_dllimport_attribute_p): Declare.
4376         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4377         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4378         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4379
4380         PR target/19704
4381         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4382         dllimport attribute with test of DECL_DLLIMPORT_P.
4383
4384 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4385
4386         * combine.c (make_extraction): Correct offset computation.
4387
4388 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4389
4390         * config/cris/t-linux (LIMITS_H_TEST): Define.
4391
4392 2005-10-12  Richard Henderson  <rth@redhat.com>
4393
4394         PR rtl-opt/23324
4395         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4396
4397 2005-10-12  Richard Guenther  <rguenther@suse.de>
4398
4399         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4400
4401 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4402
4403         PR c++/19964
4404         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4405         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4406         type.
4407
4408 2005-10-12  Richard Guenther  <rguenther@suse.de>
4409
4410         PR c++/23799
4411         * varasm.c (output_constant): Correct typo from previous
4412         patch by DJ.
4413
4414 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4415
4416         PR rtl-optimization/13931
4417         * combine.c: Revert patch of 2003-05-14, and:
4418         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4419         completely killed in the appropriate insn.
4420         (distribute_notes): Don't skip multiple hard register test for
4421         elim_i1 and elim_i2.
4422
4423 2005-10-11  Richard Henderson  <rth@redhat.com>
4424
4425         PR c/24255
4426         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4427         to initialize a transparent union instead of a nop_expr.
4428
4429 2005-10-11  Richard Henderson  <rth@redhat.com>
4430
4431         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4432         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4433         (tree_ssa_dce_loop): Call scev_reset.
4434
4435         PR tree-opt/24300
4436         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4437         * tree-ssa-dce.c: Include cfgloop.h.
4438         (tree_ssa_dce_loop, pass_dce_loop): New.
4439         * tree-pass.h (pass_dce_loop): Declare it.
4440         * passes.c (init_optimization_passes): Use it.
4441
4442 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4443
4444         PR middle-end/24263
4445         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4446         Only apply the optimization for rounding builtins if the inner
4447         cast is also an extension.
4448
4449 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4450
4451         PR tree-opt/23946
4452         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4453         mark_new_vars_to_rename instead of update_stmt.
4454
4455 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4456
4457         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4458
4459 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4460
4461         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4462         for setting MMX register to 0 rather than mmx.
4463
4464 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4465
4466         PR target/12098
4467         * configure.ac: Move gas check from mips specific case to common case.
4468         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4469         * configure: Regenerate
4470         * doc/install.texi: Update.
4471
4472 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4473
4474         PR target/24284
4475         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4476
4477 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4478
4479         * gcc.c (do_spec_1): Accept numeric characters in file name
4480         suffixes.
4481
4482 2005-10-10  Nick Clifton  <nickc@redhat.com>
4483
4484         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4485         describing the deleted arm_gen_rotated_half_load function.
4486
4487 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4488
4489         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4490         __fpscr_values.
4491
4492 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4493
4494         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4495         gnu_ld assignments.
4496         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4497         (EXTRA_MULTILIB_PARTS): Define.
4498         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4499         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4500         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4501         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4502         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4503         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4504
4505 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4506
4507         PR tree-optimization/24226
4508         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4509         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4510         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4511         Export.
4512
4513 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4514
4515         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4516
4517 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4518
4519         PR target/24136
4520         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4521         Rewrite for no need for the early clobber.
4522
4523 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4524
4525         Merge from csl-arm-branch:
4526         2005-09-07  Paul Brook  <paul@codesourcery.com>
4527         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4528         space to string.
4529
4530         2005-04-30  Paul Brook  <paul@codesourcery.com>
4531         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4532         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4533
4534         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4535         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4536         (arm_override_options): Use TARGET_AAPCS_BASED.
4537         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4538         (PTRDIFF_TYPE): Use int for AAPCS.
4539         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4540         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4541         (DEFAULT_SHORT_ENUMS): Delete.
4542         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4543
4544         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4545         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4546         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4547         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4548
4549         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4550         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4551
4552         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4553         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4554
4555         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4556         * config.gcc (arm*-*-linux-gnueabi): Add it.
4557         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4558         redefining it.
4559         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4560         * config/arm/linux-eabi.h: New file.
4561         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4562         (LINUX_TARET_LINK_SPEC): Likewise.
4563         (LINK_SPEC): Use it.
4564         * config/arm/t-linux-eabi: New file.
4565
4566 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4567
4568         PR other/22202
4569         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4570         spaces.
4571         (PARAM_SMS_DFA_HISTORY): Likewise.
4572
4573 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4574
4575         PR middle-end/23150
4576         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4577         (load_register_parameters): Call it.
4578         (check_sibcall_argument_overlap_1): Likewise.
4579         (store_one_arg): Likewise.
4580
4581 2005-10-07  James E. Wilson  <wilson@specifix.com>
4582
4583         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4584         DImode not VECINT24 for operand 2.
4585
4586         PR target/23644
4587         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4588         -mtune-arch.
4589
4590         PR target/24193
4591         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4592         fr_spill): Use destination_operand for operand 0.
4593
4594 2005-10-07  DJ Delorie  <dj@redhat.com>
4595
4596         * varasm.c (output_constant): Limit error to expanding
4597         conversions.
4598
4599 2005-10-07  Richard Guenther  <rguenther@suse.de>
4600
4601         PR middle-end/24227
4602         * fold-const.c (fold_binary): Fix operand types during folding
4603         of X op (A, Y).  Evaluation order of the side-effects of
4604         X and A are frontend-defined, so ensure we honour that even for
4605         tcc_comparison class operands; eased by removing duplicate code.
4606
4607 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4608
4609         * stor-layout.c (layout_type): Do not allow alignment of array
4610         elements to be greater than their size.
4611
4612 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4613
4614         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4615         host_xmake_file.
4616         (hppa*-*-linux*): Ditto.
4617         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4618         * config/host-hpux.c: New.
4619         * config/x-hpux: New.
4620         * config/pa/x-hpux: Remove.
4621         * config/pa/x-linux: Remove.
4622         * config/pa/pa-host.c: Remove.
4623
4624 2005-10-07  Jeff Law  <law@redhat.com>
4625
4626         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4627         determine whether or not to try and thread outgoing edges.
4628
4629 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4630
4631         * config/rs6000/rs6000.md (eqsi_power): New.
4632         (neg_eq0si): Add TARGET_POWER to final condition.
4633         (neg_eqsi): Same.
4634
4635 2005-10-06  Richard Henderson  <rth@redhat.com>
4636
4637         * config/rs6000/rs6000.c: Revert last change.
4638
4639 2005-10-06  Richard Henderson  <rth@redhat.com>
4640
4641         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4642         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4643
4644 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4645
4646         PR middle-end/22216
4647         PR middle-end/23651
4648         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4649         out return_label and naked_return_label.
4650
4651 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4652
4653         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4654         change.
4655
4656 2005-10-06  Richard Henderson  <rth@redhat.com>
4657
4658         PR tree-opt/22237
4659         * tree-inline.c (declare_return_variable): Handle modify_dest not
4660         being a DECL.
4661
4662 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4663
4664         Fix PR tree-optimization/22488
4665         * tree-ssa-structalias.c (check_for_overlaps): New function.
4666         (create_variable_info_for): Use it.
4667
4668 2005-10-06  Richard Henderson  <rth@redhat.com>
4669
4670         PR debug/24070
4671         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4672         (dwarf2out_start_source_file): Print it.
4673
4674 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4675
4676         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4677
4678 2005-10-06  Richard Henderson  <rth@redhat.com>
4679
4680         PR 23706
4681         * mode-switching.c (optimize_mode_switching): Clear transp bit
4682         for block with incomming abnormal edges.
4683
4684         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4685         (fpscr_set_from_mem): Use them.
4686         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4687         (fpscr postinc splitters): Rewrite as peephole2+split.
4688
4689 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4690
4691         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4692         (eq<mode>_compare): Same.
4693
4694 2005-10-06  Richard Guenther  <rguenther@suse.de>
4695
4696         PR tree-optimization/24238
4697         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4698
4699 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4700
4701         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4702         here.  Use AC_PATH_PROG for environment variables instead of
4703         test -x.
4704         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4705         objdump also.
4706         * configure: Regenerated.
4707
4708 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4709
4710         PR target/23783
4711         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4712         then force it into a register.
4713         (call_value): Likewise.
4714
4715 2005-10-06  Richard Henderson  <rth@redhat.com>
4716
4717         PR 24049
4718         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4719         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4720         under pass_vectorize.
4721
4722 2005-10-05  Devang Patel  <dpatel@apple.com>
4723
4724         PR Debug/23205
4725         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4726         handling constants. Check NAMESPACE_DECL context for constants.
4727
4728 2005-10-05  Eric Christopher  <echristo@apple.com>
4729
4730         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4731
4732 2005-10-05  Richard Henderson  <rth@redhat.com>
4733
4734         PR 23714
4735         * tree-cfg.c (mark_array_ref_addressable_1): New.
4736         (mark_array_ref_addressable): New.
4737         * tree-flow.h (mark_array_ref_addressable): Declare.
4738         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4739
4740 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4741
4742         PR middle-end/20606
4743         PR middle-end/24069
4744         * reload.c (subst_reloads): When adding a REG_LABEL to a
4745         jump instruction, also update JUMP_LABEL.
4746
4747 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4748
4749         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4750         * bb-reorder.c (copy_bb_p): Use it.
4751         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4752
4753 2005-10-05  Richard Henderson  <rth@redhat.com>
4754
4755         PR target/23602
4756         * toplev.c (process_options): Warn about unsupported combinations
4757         of unwind tables and omit-frame-pointer.
4758         * config/i386/i386.c (override_options): Similarly.  Enable
4759         accumulate-outgoing-args if not explicitly disabled.
4760
4761 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4762
4763         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4764         Handle big endian vs. small endian.
4765         (vec_initv2sf): Handle big endian vs. small endian.
4766         (*vec_extractv2sf_1): Ditto.
4767
4768 2005-10-05  Dale Johannesen  <dalej@apple.com>
4769
4770         * convert.c (convert_to_real):  Don't convert
4771         (float)floor(double d) to floorf((float)d).
4772
4773 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4774
4775         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4776
4777 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4778
4779         PR tree-optimization/18587
4780         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4781         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4782         build_vuses): Change to VEC type.
4783         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4784         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4785         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4786         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4787         (get_name_decl): New.  Return DECL_UID of base variable.
4788         (operand_build_cmp): New.  qsort comparison routine.
4789         (operand_build_sort_virtual): New.  Sort virtual build vector.
4790         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4791         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4792         (FINALIZE_BASE): Use get_name_decl.
4793         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4794         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4795         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4796         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4797         direct VEC_* manipulations.
4798         (build_ssa_operands): Call operand_build_sort_virtual.
4799         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4800         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4801         with direct VEC_* manipulations.
4802         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4803         with direct VEC manipulations.
4804
4805 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4806
4807         PR tree-optimization/21419
4808         PR tree-optimization/24146
4809         PR tree-optimization/24151
4810
4811         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4812         (build_asm_expr): Call it if outputs are read-only.
4813         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4814
4815 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4816             Paolo Bonzini  <bonzini@gnu.org>
4817
4818         PR target/23809
4819
4820         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4821         enable the instructions and not just the built-ins.
4822         * doc/invoke.texi (x86 Options): Likewise.
4823
4824 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4825
4826         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4827
4828         * doc/invoke.texi (Option Summary): Correct spelling
4829         of -mmacosx-version-min.
4830
4831 2005-10-04  Devang Patel  <dpatel@apple.com>
4832
4833         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4834         real types.
4835
4836 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4837
4838         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4839         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4840
4841 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4842
4843         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4844         ("TE","tg"): New mode attributes.
4845         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4846         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4847         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4848         dword_mode and one for GPRmode.
4849
4850 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4851
4852         PR preprocessor/13726
4853         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4854         any comments passed in.
4855
4856 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4857
4858         * tree.c (annotate_with_file_line): Fix typo.
4859
4860 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4861
4862         PR ada/19382
4863         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4864         type used to access data in the inlined length == 1 case, use
4865         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4866         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4867
4868 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4869
4870         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4871         TARGET_SSE3 and only for TARGET_80387.
4872         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4873         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4874         Do not depend on TARGET_80387.
4875
4876 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4877
4878         * tree.c (last_annotated_node): Change type to location_t*.
4879         (annotate_with_file_line): Reflect the change of
4880         last_annotated_node type.
4881
4882 2005-10-04  Richard Guenther  <rguenther@suse.de>
4883
4884         PR c/23576
4885         * c-decl.c (grokdeclarator): Don't write to fields
4886         of error_mark_node.
4887
4888 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4889
4890         PR middle-end/23125
4891         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4892         register variables.
4893         * varasm.c (make_decl_rtl): If a register variable does not
4894         have a set user assmbler name, error out.
4895         Decode the asmspec is now name+1 bypassing '*'.
4896
4897 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4898
4899         PR tree-optimization/23049
4900         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4901         of a COND_EXPR is folded before calling fold on the whole rhs of a
4902         conditional assignment.
4903         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4904         document that a COND_EXPR may appear there.
4905
4906 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4907
4908         PR 23445
4909         * tree-vrp.c (extract_range_from_assert): If the new numeric
4910         range created out of the assertion contradicts the existing
4911         numeric range of the ASSERT_EXPR variable, make the new range
4912         varying.
4913
4914 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4915
4916         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4917         from T_REGS to FP register class.
4918
4919 2005-10-03  Richard Henderson  <rth@redhat.com>
4920
4921         PR 24135
4922         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4923         before creating a new one.
4924
4925 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4926
4927         * config/rs6000/t-aix43 (LDFLAGS): New.
4928         * config/rs6000/t-aix52 (LDFLAGS): New.
4929
4930 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4931
4932         * gimplify.c (find_single_pointer_decl_1): New static function.
4933         (find_single_pointer_decl): New static function.
4934         (internal_get_tmp_var): For a formal variable, set restrict base
4935         information if appropriate.
4936         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4937         return it.
4938         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4939         (DECL_GET_RESTRICT_BASE): Define.
4940         (SET_DECL_RESTRICT_BASE): Define.
4941         (decl_restrict_base_lookup): Declare.
4942         (decl_restrict_base_insert): Declare.
4943         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4944         * tree.c (restrict_base_for_decl): New static variable.
4945         (init_ttree): Initialize restrict_base_for_decl.
4946         (copy_node_stat): Copy restrict base information.
4947         (decl_restrict_base_lookup): New function.
4948         (decl_restrict_base_insert): New function.
4949         (print_restrict_base_statistics): New static function.
4950         (dump_tree_statistics): Call print_restrict_base_statistics.
4951
4952 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4953
4954         PR 24142
4955         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4956         case of anti-ranges.
4957
4958 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4959
4960         PR c/18851
4961         * c-typeck.c (tagged_tu_seen): Rename to ...
4962         (tagged_tu_seen_cache): this and add val field.
4963         (comptypes): Move functional to comptypes_internal
4964         and free tagged_tu_seen.
4965         (comptypes_internal): New function and call comptypes_internal
4966         instead of comptypes. Speed up by sibcalling
4967         tagged_types_tu_compatible_p.
4968         (alloc_tagged_tu_seen): New function
4969         (free_all_tagged_tu_seen_up_to): New function.
4970         (tagged_types_tu_compatible_p): Return the val of the seen two
4971         types.
4972         Add that the two types are the same to tagged_tu_seen_base
4973         if they are and call comptypes_internal instead of comptypes.
4974         <case UNION_TYPE>: Speed up common type where the fields are
4975         in the same order.
4976         (function_types_compatible_p): Call comptypes_internal instead of
4977         comptypes.
4978         (type_lists_compatible_p): Likewise.
4979         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4980
4981 2005-10-02  Matthias Klose  <doko@debian.org>
4982
4983         * doc/invoke.texi: Fix typo and speling error.
4984
4985 2005-10-01  Richard Henderson  <rth@redhat.com>
4986
4987         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4988
4989 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4990
4991         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4992         using --start-group and --end-group.
4993
4994 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4995
4996         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4997         FIXME note regarding quirky semantics.
4998
4999 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5000
5001         PR 24141
5002         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5003         non-null range as a last resort.
5004
5005 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5006             Diego Novillo  <dnovillo@redhat.com>
5007
5008         PR 23604
5009         * tree-vrp.c (extract_range_from_assert): For !=
5010         assertions, only build an anti-range if LIMIT is a
5011         single-valued range.
5012
5013 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5014
5015         * arm.md (movqi): On thumb when optimizing, handle loading from
5016         memory by describing this as taking a subreg of a zero-extended load
5017         into an SImode register.
5018         (movhi): Likewise.
5019
5020 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5021
5022         * reload1.c (merge_assigned_reloads): Do not change any
5023         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5024
5025 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5026
5027         * Makefile.in (LIPO_FOR_TARGET): Define.
5028         (STRIP_FOR_TARGET): Define.
5029
5030         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5031         before creating new ones.  Do symlinks before creating the actual
5032         targets.
5033
5034         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5035         to work out which multilibs are actually being built.
5036
5037 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5038
5039         * tree-vect-transform.c, config/ms1/ms1.md,
5040         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5041         Follow spelling conventions.
5042         * doc/invoke.texi, doc/md.texi: Fix typos.
5043
5044 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5045
5046         PR tree-optimization/21430
5047         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5048         use operands, and set stmt pointer if need be.
5049         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5050         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5051         present.
5052
5053 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5054
5055         PR middle-end/24053
5056         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5057
5058 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5059
5060         * optabs.c (expand_binop): Initialize first_pass_p.
5061
5062 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5063
5064         PR middle-end/24109
5065         * c-decl.c (c_write_global_declarations_1): If any
5066         wrapup_global_declaration_2 call returned true, restart the loop.
5067
5068 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5069
5070         Fix PR tree-optimization/24117
5071         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5072         before considering whether to use anyoffset.
5073
5074 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5075
5076         Revert this patch:
5077
5078         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5079
5080         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5081         to order operands.
5082         (swap_commutative_operands_with_target): New.
5083
5084 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5085
5086         PR c/21419
5087         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5088         read-only.
5089
5090 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5091
5092         PR tree-optimization/23911
5093         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5094         and IMAGPART_EXPR too.
5095
5096 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5097
5098         PR 17886
5099         * expmed.c (expand_shift): Move logic to reverse rotation
5100         direction when  rotating by constants ...
5101         * optabs.c (expand_binop): ... here.
5102         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5103         (ix86_rotrdi3): New pattern.
5104         (rotldi3): Handle 32-bit mode.
5105         (ix86_rotldi3): New pattern.
5106
5107 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5108
5109         PR target/24102
5110         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5111         check for numbers that need no bit twiddle.
5112
5113 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5114
5115         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5116         multilib to be built.
5117
5118         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5119         (stage1-start): Delete old libgcc and libunwind before moving
5120         anything into the stage directory.
5121         (stage2-start): Likewise.
5122         (stage3-start): Likewise.
5123         (stage4-start): Likewise.
5124         (stageprofile-start): Likewise.
5125         (stagefeedback-start): Likewise.
5126         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5127         header in tm_file and CPU-specific t-darwin in tmake_file.
5128         (i[34567]86-*-darwin*): Don't change tm_file.
5129         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5130         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5131         shared library stub for target OS version.
5132         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5133         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5134         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5135         (libgcc_s.%.dylib): New.
5136         (LIBGCC): Define.
5137         (install-darwin-libgcc-stubs): New.
5138         (INSTALL_LIBGCC): New append.
5139         * config/i386/darwin-libgcc.10.4.ver: New.
5140         * config/i386/darwin-libgcc.10.5.ver: New.
5141         * config/i386/t-darwin: New.
5142         * config/rs6000/darwin-libgcc.10.4.ver: New.
5143         * config/rs6000/darwin-libgcc.10.5.ver: New.
5144         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5145         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5146
5147 2005-09-28  Paul Brook  <paul@codesourcery.com>
5148
5149         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5150         denormals.
5151
5152 2005-09-28  Richard Guenther  <rguenther@suse.de>
5153
5154         PR tree-optimization/23853
5155         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5156         host_integerp to verify misalignment value.
5157
5158 2005-09-28  Richard Henderson  <rth@redhat.com>
5159
5160         * builtins.c (get_builtin_sync_mode): New.
5161         (expand_builtin_sync_operation): Pass in mode argument.
5162         (expand_builtin_compare_and_swap): Likewise.
5163         (expand_builtin_lock_test_and_set): Likewise.
5164         (expand_builtin_lock_release): Likewise.
5165         (expand_builtin): Update to match.
5166
5167 2005-09-28  Nick Clifton  <nickc@redhat.com>
5168
5169         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5170         formatting.  Add check to PLUS case to ensure that the offset is
5171         within an acceptable range.
5172
5173         * config/v850/v850.md (casesi): Disable the generation of the
5174         switch pattern as it is not being handled properly at the moment.
5175
5176         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5177         for when the high words are identical.
5178
5179 2005-09-27  Richard Henderson  <rth@redhat.com>
5180
5181         * pretty-print.c (pp_base_format): Fix typo for %>.
5182
5183 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5184             Devang Patel  <dpatel@apple.com>
5185
5186         PR tree-optimization/23625
5187         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5188         LABEL_EXPR, assertion check.
5189
5190 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5191
5192         * optabs.c (no_conflict_move_test): Check if a result of a
5193         to-be-moved insn would be clobbered by an originally
5194         preceding insn.
5195
5196 2005-09-27  Jeff Law  <law@redhat.com>
5197
5198         * passes.c (init_optimization_passes): Replace copy propagation
5199         passes immediately after DOM with phi-only copy propagation
5200         pases.  Add phi-only copy propagation pass after first DOM pass.
5201         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5202         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5203         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5204         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5205         to init_copy_prop.  Callers updated.
5206         (do_phi_only_copy_prop): New function.
5207         (pass_phi_only_copy_prop): New pass descriptor.
5208
5209 2005-09-27  Nick Clifton  <nickc@redhat.com>
5210
5211         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5212
5213 2005-09-26  Jason Merrill  <jason@redhat.com>
5214
5215         PR c++/13764
5216         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5217
5218         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5219
5220 2005-09-26  James E Wilson  <wilson@specifix.com>
5221
5222         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5223         copyright.  Add gcc copyright plus libgcc exception.
5224         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5225         copyright.
5226         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5227
5228 2005-09-26  Jeff Law  <law@redhat.com>
5229
5230         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5231         about when to iterate.
5232
5233 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5234
5235         PR target/23847
5236         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5237         for __complex__ double in -mcpu=G5 mode.
5238
5239 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5240
5241         PR tree-optimization/23942
5242         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5243         * tree-scalar-evolution.c: Include params.h.
5244         (t_bool): New enum.
5245         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5246         follow_ssa_edge_in_condition_phi_branch,
5247         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5248         Change return type to t_bool.  Use a parameter to limit the size of
5249         trees that are walked before stopping
5250         (analyze_evolution_in_loop): Initialize the limit to 0.
5251         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5252         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5253
5254 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5255
5256         PR middle-end/23831
5257         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5258         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5259
5260 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5261
5262         * combine.c (make_extraction): Check for valid use of subreg.
5263
5264 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5265
5266         PR target/24055
5267         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5268         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5269         ("fist<mode>2_with_temp"): Use only register operands.
5270
5271 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5272
5273         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5274         CALL_INSN_FUNCTION_USAGE.
5275
5276 2005-09-26  Richard Guenther  <rguenther@suse.de>
5277
5278         PR middle-end/15855
5279         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5280         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5281         (ldst_entry): Use the hashtable instead of list-walking.
5282         (find_rtx_in_ldst): Likewise.
5283         (free_ldst_entry): Free the hashtable.
5284         (compute_ld_motion_mems): Create the hashtable.
5285         (trim_ld_motion_mems): Remove entry from hashtable if
5286         removing it from list.
5287         (compute_store_table): Likewise^2.
5288         (store_motion): Free hashtable in case we did not see
5289         any stores.
5290
5291 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5292
5293         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5294         and arg1 if we are passing them to fold_build2.
5295
5296 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5297
5298         PR 23828
5299         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5300         a nested function.
5301
5302 2005-09-25  Richard Henderson  <rth@redhat.com>
5303
5304         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5305         SYMBOL_REF_TLS_MODEL to be correct.
5306
5307 2005-09-24  Richard Henderson  <rth@redhat.com>
5308
5309         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5310         end of function.  Reindent.
5311
5312 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5313
5314         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5315         NEGATE_EXPR/BIT_NOT_EXPR case.
5316
5317 2005-09-24  Richard Henderson  <rth@redhat.com>
5318
5319         * c-common.c (handle_mode_attribute): When not modifying in place,
5320         create subtypes for enumerations.
5321         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5322         * gimplify.c (create_tmp_from_val): Likewise.
5323
5324 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5325
5326         * config/i386/i386.md (*tls_global_dynamic_64,
5327         *tls_local_dynamic_base_64): Add missing mode to call.
5328         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5329
5330 2005-09-24  Jan Hubicka  <jh@suse.cz>
5331
5332         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5333         (cgraph_clone_node): Likewise.
5334         * cgraph.h (cgraph_clone_edge): Update prototype.
5335         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5336         duplicated prototypes; add updating argument.
5337         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5338         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5339         updating profile.
5340         (cgraph_mark_inline_edge): Likewise.
5341         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5342         (cgraph_flatten_node): Likewise.
5343         (cgraph_decide_recursive_inlining): Likewise.
5344         (cgraph_decide_inlining_of_small_function): Likewise.
5345         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5346
5347 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5348             Pete Steinmetz <steinmtz@us.ibm.com>
5349
5350         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5351         (rldic.): Set type to "compare".
5352         (rldicr.): Same.
5353         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5354         mfjmpr for MFCTR/MFLR.
5355         (movdf_hardfloat64): Same.
5356         (movdf_softfloat64): Same.  Correct order of store and move types.
5357         (movti_string): Set type to store_ux/load_ux.
5358         (load_multiple): Set type to load_ux.
5359         (store_multiple): Set type to store_ux.
5360         (movmemsi): Set type to store_ux.
5361         (output_cbranch direct_return): Set type to jmpreg.
5362         (stmw): Set type to store_ux.
5363         (lmw): Set type to load_ux.
5364         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5365         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5366         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5367         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5368         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5369         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5370         (rios1-fpstore): Increase latency to 3.
5371         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5372         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5373
5374 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5375             Andrew Pinski  <pinskia@physics.uc.edu>
5376
5377         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5378         operand2 constraint to "b".
5379         (sync_<fetchop_name>di_internal): Same.
5380         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5381         to "b".
5382         (sync_old_<fetchop_name>di_internal): Same.
5383         (sync_new_<fetchop_name>si_internal): Same.
5384         (sync_new_<fetchop_name>di_internal): Same.
5385
5386 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5387
5388         PR middle-end/23991
5389         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5390         case, define as macros.
5391
5392         PR rtl-optimization/23837
5393         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5394         clobber / clobber match between dest and p->first.
5395
5396         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5397         (no_conflict_move_test): Update comments.
5398
5399 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5400
5401         * doc/install.texi: Update URL for Jacks.
5402         * doc/sourcebuild.texi: Likewise.
5403
5404 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5405
5406         PR target/24007
5407         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5408         registers when choosing register preferences.
5409         (movdf_hardfloat64): Same.
5410
5411 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5412
5413         * expmed.c (expand_shift): Don't use the target of the rotate as
5414         target for the first expanded shift insn.
5415         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5416
5417 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5418
5419         PR tree-optimization/22438
5420         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5421         preserved iv rhs rewriting specially.
5422
5423 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5424
5425         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5426         estimate_only  is true.
5427         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5428         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5429         tree-ssa-structalias.c
5430         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5431         ref_contains_indirect_ref.
5432         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5433
5434 2005-09-21  DJ Delorie  <dj@redhat.com>
5435
5436         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5437         MASK_PTR_A0D0.
5438         (mn10300_return_in_memory): Support variable size types also.
5439         (mn10300_pass_by_reference): Likewise.
5440         (mn10300_function_value): New.
5441         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5442         (FUNCTION_OUTGOING_VALUE): Likewise.
5443         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5444         * doc/invoke.texi: Document it.
5445
5446 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5447
5448         PR target/22585
5449         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5450         force integer op1 into register for XFmode compares.
5451
5452 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5453
5454         PR middle-end/23971
5455         * expmed.c (alg_code): Add alg_impossible.
5456         (alg_hash_entry): Add cost.
5457         (synth_mult): Record alg_impossible in the hash table if
5458         multiplication by a given integer is impossble within the
5459         limit.  Speed up using alg_impossible.
5460
5461 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5462
5463         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5464         argument.  Allow and set any offset if needs_anyoffset is passed
5465         in.
5466         (get_constraint_for): Add argument here too.
5467         Pass it down.
5468         (do_structure_copy): Pass NULL to get_constraint_for.
5469         (handle_ptr_arith): Ditto.
5470         (find_func_aliases): Ditto.
5471
5472 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5473
5474         PR rtl-optimization/23898
5475         * output.h (get_attr_min_length): Declare.
5476         * final.c (get_attr_length_1): New function, broken out of:
5477         (get_attr_length).
5478         (get_attr_min_length): New function.
5479         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5480         (duplicate_computed_gotos): Likewise.
5481         * genattr.c (insn_min_length): Generate declaration.
5482         * genattrtab.c (min_fn, min_attr_value): New functions.
5483         (make_length_attrs): Generate insn_min_length.
5484
5485 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5486
5487         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5488
5489 2005-09-20  Richard Henderson  <rth@redhat.com>
5490
5491         PR tree-optimization/24059
5492         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5493         EXPAND_STACK_PARM.
5494
5495 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5496
5497         * c.opt (fextended-identifiers): New.
5498         * c-opts.c (c_common_handle_option): Handle
5499         -fextended-identifiers.
5500         * doc/cpp.texi: Update documentation of extended identifiers.
5501         * doc/cppopts.texi (-fextended-identifiers): Document.
5502
5503 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5504
5505         PR tree-optimization/23929
5506         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5507         if expr is NULL.
5508
5509         PR tree-optimization/23818
5510         * tree-stdarg.c (execute_optimize_stdarg): Call
5511         calculate_dominance_info.
5512
5513 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5514
5515         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5516         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5517         (compute_overlap_steps_for_affine_1_2): Use
5518         get_number_of_iters_for_loop.
5519         (analyze_subscript_affine_affine): Check whether difference is
5520         zero first.
5521         Use get_number_of_iters_for_loop.
5522         Check whether overlap occurs outside of bounds.
5523         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5524
5525 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5526
5527         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5528         base register if possible.
5529
5530 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5531
5532         PR tree-optimization/18463
5533         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5534         converting it directly is not possible.
5535         (chrec_convert_aggressive): New function.
5536         * tree-chrec.h (chrec_convert_aggressive): Declare.
5537         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5538         Fold chrec conversions aggressively if asked to.
5539         (instantiate_parameters): Modified because of changes in
5540         instantiate_parameters_1.
5541
5542 2005-09-19  Richard Henderson  <rth@redhat.com>
5543
5544         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5545         (reduc_splus_v2df): New.
5546
5547 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5548
5549         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5550         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5551
5552 2005-09-19  Richard Henderson  <rth@redhat.com>
5553
5554         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5555         vcondu<SSEMODE12>.
5556
5557 2005-09-19  Richard Henderson  <rth@redhat.com>
5558
5559         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5560         (ia64_expand_dot_prod_v8qi): New.
5561         * config/ia64/ia64-protos.h: Update.
5562         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5563         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5564         sdot_prodv8qi, sdot_prodv4hi): New.
5565         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5566
5567 2005-09-19  Richard Henderson  <rth@redhat.com>
5568
5569         PR 23941
5570         * real.c (exact_real_truncate): Return false if the format cannot
5571         represent the number as a normal.
5572
5573         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5574         for a memory source.
5575
5576 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5577
5578         * tree-ssa-operands.c (swap_tree_operands): Export.
5579         * tree.h (swap_tree_operands): Declare.
5580         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5581         Call swap_tree_operands.
5582
5583 2005-09-19  Richard Henderson  <rth@redhat.com>
5584
5585         * tree-flow.h (merge_alias_info): Declare.
5586         * tree-ssa-copy.c (merge_alias_info): Export.
5587         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5588         (vect_create_data_ref_ptr): Use create_iv directly.
5589         (vectorizable_load): Use correct types for integer constants.
5590         (vect_generate_tmps_on_preheader): Likewise.
5591         (vect_gen_niters_for_prolog_loop): Likewise.
5592
5593 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5594
5595         PR rtl-optimization/23943
5596         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5597
5598 2005-09-18  Jan Hubicka  <jh@suse.cz>
5599
5600         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5601
5602 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5603
5604         * varasm.c (output_constant): Do not abort on conversions to union
5605         types between different sizes.
5606
5607 2005-09-18  Richard Guenther  <rguenther@suse.de>
5608
5609         PR middle-end/23944
5610         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5611         fallback.
5612
5613 2005-09-18  Paul Brook  <paul@codesourcery.com>
5614
5615         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5616
5617 2005-09-17  Richard Henderson  <rth@redhat.com>
5618
5619         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5620         * tree-ssa-loop.c (pass_vect_dce): Remove.
5621         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5622         of pass_vectorize.
5623
5624 2005-09-17  Richard Henderson  <rth@redhat.com>
5625
5626         * tree-pass.h (pass_vect_dce): Declare.
5627         * passes.c (init_optimization_passes): Add it.
5628         * tree-flow.h (tree_ssa_dce): Declare.
5629         * tree-ssa-dce.c (tree_ssa_dce): Export.
5630         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5631         (gate_tree_vectorize): ... here.
5632         (pass_vect_dce): New.
5633
5634 2005-09-17  Jan Hubicka  <jh@suse.cz>
5635
5636         * except.c (struct eh_status): Turn region_array into vec.
5637         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5638         convert_from_eh_region_ranges, find_exception_handler_labels,
5639         current_function_has_exception_handlers, assign_filter_values,
5640         build_post_landing_pads, dw2_build_landing_pads,
5641         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5642         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5643         foreach_reachable_handler, can_throw_internal_1,
5644         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5645         region_array.
5646         (duplicate_eh_region_1): Update region_array.
5647         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5648
5649 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5650
5651         PR middle-end/22067
5652         * expmed.c (expand_mult): Substitute simple register for op0 when
5653         computing max_cost.
5654
5655 2005-09-17  Richard Henderson  <rth@redhat.com>
5656
5657         * expr.c (emit_move_via_integer): Add force argument, pass it on
5658         to emit_move_change_mode.  Update callers.
5659         (emit_move_complex): Pass true to new force argument.
5660         * function.c (expand_function_end): Move expand_eh_return call
5661         earlier.  Merge sub-word complex values into a pseudo before
5662         copying to the return hard register.
5663
5664 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5665
5666         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5667         between different sizes.
5668
5669 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5670
5671         PR 23903
5672
5673         * passes.c (init_optimization_passes): Register dump files for
5674         IPA passes first.
5675
5676 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5677
5678         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5679         * config/s390/s390.c (s390_overlap_p): New function.
5680         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5681         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5682         condition.
5683
5684 2005-09-16  Richard Guenther  <rguenther@suse.de>
5685
5686         * ipa-pure-const.c (static_execute): Free auxiliar information.
5687         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5688         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5689
5690 2005-09-15  DJ Delorie  <dj@redhat.com>
5691
5692         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5693
5694 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5695
5696         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5697         to order operands.
5698         (swap_commutative_operands_with_target): New.
5699
5700 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5701
5702         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5703         parameter.
5704         Update callers.
5705         (estimate_iters_using_array): New function.
5706         * tree-data-ref.h (estimate_iters_using_array): Prototype
5707         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5708         Use estimate_iters_using_array instead of analyze_array.
5709
5710 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5711
5712         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5713         as addressable.
5714
5715 2005-09-15  Michael Matz  <matz@suse.de>
5716
5717         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5718
5719 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5720
5721         PR tree-optimization/23835
5722         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5723         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5724
5725 2005-09-14  Richard Henderson  <rth@redhat.com>
5726
5727         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5728         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5729
5730 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5731
5732         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5733         in the ARRAY_TYPE case.
5734
5735 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5736
5737         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5738
5739 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5740
5741         PR middle-end/22480
5742         * tree-vect-transform.c (vectorizable_operation): Return false for
5743         scalar shift operations and for vector shift operations with
5744         non-invariant shift arguments.  Use scalar tree operand op1 as
5745         a shift operand when vector shift insn pattern uses scalar shift
5746         operand.
5747         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5748
5749 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5750
5751         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5752         value if it has side-effects.
5753
5754 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5755
5756         PR target/22068
5757         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5758
5759 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5760
5761         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5762         passed as NAME as if it were label at start of function code.
5763
5764 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5765
5766         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5767         the constraints.
5768
5769 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5770
5771         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5772         as early clobber.  Rewrite so the PIC register is not implicitly used.
5773
5774 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5775
5776         * tree.c (annotate_with_file_line): Compare line numbers before
5777         file names.
5778
5779 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5780
5781         PR target/23816
5782         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5783         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5784
5785 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5786
5787         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5788         than a HOST_WIDEST_INT to gen_doloop_begin.
5789
5790 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5791
5792         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5793
5794 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5795
5796         PR tree-optimize/23817
5797         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5798
5799 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5800
5801         PR target/23774
5802         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5803         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5804         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5805         (restore_stack_nonlocal): Likewise.
5806         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5807
5808 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5809
5810         PR g++/7874
5811         * c.opt (ffriend-injection): New C++ option.
5812         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5813         (C++ Dialect Options): Document -ffriend-injection.
5814
5815 2005-09-12  Josh Conner  <jconner@apple.com>
5816
5817         PR middle-end/23237
5818         * ipa-reference.c (static_execute): Don't mark variables in
5819         named sections TREE_READONLY.
5820
5821 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5822
5823         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5824         stack_tie.
5825
5826 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5827
5828         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5829         V_MUST_DEF instead of just the first_use_p.
5830         Don't mark the virtual variables for renaming on the statement which
5831         is being removed.
5832         (pass_dse): Remove TODO_update_ssa.
5833
5834 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5835
5836         PR middle-end/23290
5837         * stor-layout.c (compute_record_mode): For records with a single
5838         field, actually check the field's mode size against the type size.
5839
5840         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5841         registers for TARGET_SHMEDIA.
5842         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5843         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5844         of GENERAL_REGS and FP_REGS.
5845
5846 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5847
5848         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5849
5850 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5851
5852         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5853         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5854         are omitted.  Exclude stack_tie insn too.
5855
5856 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5857
5858         PR rtl-optimization/23098
5859         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5860         0.0f is easy.
5861         * config/rs6000/rs6000.md (movdf splitter): Use
5862         const_double_operand predicate for TARGET_POWERPC64.
5863         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5864         SYMBOL_REF method to ABI_V4.
5865
5866         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5867         replace_equiv_address.
5868         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5869         rs6000_sr_alias_set and MEM_NOTRAP.
5870         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5871
5872 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5873
5874         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5875         handle CALL_EXPR again.
5876
5877 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5878
5879         * arm/predicates.md (alignable_memory_operand): Delete.
5880
5881 2005-09-10  Richard Henderson  <rth@redhat.com>
5882
5883         PR debug/23806
5884         * dbxout.c (dbxout_expand_expr): New.
5885         (dbxout_symbol): Use it.
5886
5887 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5888
5889         * arm.c (arm_gen_rotated_half_load): Delete.
5890         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5891         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5892         (thumb_set_return_address): Likewise.
5893         (thumb_load_double_from_address): Use adjust_address.
5894         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5895         (extendhsisi2_mem, movhi_bytes): Use change_address.
5896         (movhi): Use widen_memory_access.
5897         (reload_out_df): Use replace_equiv_address.
5898         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5899
5900 2005-09-09  Richard Henderson  <rth@redhat.com>
5901
5902         PR debug/20998
5903         * dbxout.c: Include expr.h.
5904         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5905         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5906         * Makefile.in (dbxout.o): Add EXPR_H.
5907
5908 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5909
5910         PR tree-optimization/23509
5911         * tree-cfg.c (replace_uses_by): Use replace_exp.
5912         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5913         pointers have name_mem_tag or type_mem_tag set.
5914
5915 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5916
5917         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5918         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5919         of wrongly accessing operands.
5920
5921 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5922
5923         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5924         * tree-chrec.c: Include tree-scalar-evolution.h.
5925         (chrec_convert): Instantiate the base and step before calling
5926         scev_probably_wraps_p that would fail on parametric evolutions.
5927         Collect all the fails into a single section failed_to_convert,
5928         print a diagnostic, and return chrec_dont_know instead of calling
5929         fold_convert.
5930         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5931         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5932         phi nodes.
5933         (scev_const_prop): Don't replace the definition of a loop closed ssa
5934         phi node by itself, or by another loop closed ssa phi node.
5935         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5936         that base and step are defined.
5937
5938 2005-09-09  Richard Guenther  <rguenther@suse.de>
5939
5940         PR c++/23624
5941         * fold-const.c (fold_ternary): Check truth_value_p before
5942         calling invert_truthvalue.
5943
5944 2005-09-09  Nick Clifton  <nickc@redhat.com>
5945
5946         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5947         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5948         dimension of these arrays.
5949         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5950         these arrays.
5951         * longlong.h: Only provide a prototype for the __clz_tab[] array
5952         if this header has not been included from libgcc2.h.
5953         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5954         defining own types.
5955         Provide prototypes for exported functions.
5956         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5957         libgcc2.c.
5958
5959 2005-09-08  Josh Conner  <jconner@apple.com>
5960
5961         PR c++/21135
5962         PR c++/23180
5963         * expr.c (expand_expr_addr_expr_1): Don't invoke
5964         expand_simple_binop for EXPAND_INITIALIZER.
5965
5966 2005-09-08  Richard Henderson  <rth@redhat.com>
5967
5968         PR debug/23190
5969         * toplev.c (wrapup_global_declaration_1): Split out ...
5970         (wrapup_global_declaration_2): ... from ...
5971         (wrapup_global_declarations): ... here.  Return bool.
5972         (check_global_declaration_1): Split out ...
5973         (check_global_declarations): from here.
5974         (emit_debug_global_declarations): New.
5975         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5976         check_global_declaration_1, emit_debug_global_declarations): Declare.
5977         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5978         of decls.  Call wrapup_global_declaration_1,
5979         wrapup_global_declaration_2, check_global_declaration_1 directly.
5980         (c_write_global_declarations_2): New.
5981         (ext_block): New.
5982         (c_write_global_declarations): Call c_write_global_declarations_2.
5983         * langhooks.c (write_global_declarations): Call
5984         emit_debug_global_declarations.
5985
5986         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5987         remove decls that have DECL_RTL_SET_P.
5988         * passes.c (rest_of_decl_compilation): Invoke
5989         cgraph_varpool_finalize_decl for all but functions.
5990
5991 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5992
5993         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5994         the result of a conversion if the new min and max cannot be compared.
5995
5996 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5997
5998         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5999         (override_options): Setting s390_sr_alias_set removed.
6000         (save_fpr, save_gprs): Set alias set to vararg or frame.
6001         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6002         s390_sr_alias_set with get_frame_alias_set ().
6003         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6004         get_varargs_alias_set ().
6005
6006 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6007
6008         PR objc/20574
6009         PR objc/19324
6010         * c-parser.c (c_parser_objc_method_definition): If the next
6011         token is not "{", error out and don't start the function.
6012
6013 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6014
6015         * tree-vrp.c (extract_range_from_expr): Move the check for non
6016         nullness after the check for gimple invariant.
6017
6018 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6019
6020         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6021
6022 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6023
6024         PR target/23747
6025         * config/m32r.md (movmemsi_internal): Canonicalize order of
6026         operands in PLUS component of template.
6027
6028 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6029
6030         * reload1.c (fixup_eh_region_note): Remove assertion.
6031         (fixup_abnormal_edges): Reverted removal of call to
6032         find_many_sub_basic_blocks made on 2005-08-31.
6033
6034 2005-09-07  Richard Henderson  <rth@redhat.com>
6035
6036         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6037         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6038         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6039         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6040         rearrange for better packing.
6041         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6042         (lookup_cfa_1): Remove inline marker.
6043         (cfa_equal_p): Split out of ...
6044         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6045         (build_cfa_loc): Handle !cfa->indirect.
6046         (frame_pointer_cfa_offset): New.
6047         (dbx_reg_number): Assert register elimination performed; do
6048         leaf register remapping.
6049         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6050         (eliminate_reg_to_offset): New.
6051         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6052         for verifiably local stack frame addresses; re-base to CFA.
6053         (mem_loc_descriptor): Remove can_use_fbreg argument.
6054         (concat_loc_descriptor, loc_descriptor): Likewise.
6055         (containing_function_has_frame_base): Remove.
6056         (rtl_for_decl_location): Don't do register elimination or
6057         leaf register remapping here.
6058         (secname_for_decl): Split out from ..
6059         (add_location_or_const_value_attribute): ... here.
6060         (convert_cfa_to_loc_list): New.
6061         (compute_frame_pointer_to_cfa_displacement): New.
6062         (gen_subprogram_die): Use them.
6063         * tree.h (frame_base_decl): Remove.
6064         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6065         (prologue_stack_adjust): Remove.
6066         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6067         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6068         (set_frame_base_location): Remove.
6069         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6070         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6071         (vt_add_function_parameters): Don't eliminate_regs.
6072         (vt_initialize): Don't create frame_base_decl.
6073
6074 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6075
6076         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6077         version of GNU binutils for 4.x and later.
6078
6079 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6080
6081         * ggc-page.c (ggc_push_context): Remove.
6082         (ggc_pop_context): Likewise.
6083         * ggc.h (ggc_push_context): Remove.
6084         (ggc_pop_context): Likewise.
6085
6086 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6087
6088         PR target/8973
6089         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6090         returning from an interrupt handler.
6091
6092 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6093
6094         PR target/8972
6095         * config/arc/arc.c (output_shift): Add check for loop count when
6096         optimizing.
6097
6098 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6099
6100         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6101         form manually.
6102         (abs_replacement): Likewise.
6103         (pass_phiopt): Remove TODO_update_ssa.
6104
6105 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6106
6107         PR c/23075
6108         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6109         if "return with no value, in function returning non-void" warning
6110         has been issued.
6111         * tree-cfg.c (execute_warn_function_return): Don't look at
6112         RETURN_EXPRs with TREE_NO_WARNING set.
6113
6114         PR target/22362
6115         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6116         for internal functions doesn't use registers used by global registers
6117         variables.  Use fewer register parameters if there are global register
6118         variables.
6119
6120 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6121             Eric Botcazou  <ebotcazou@adacore.com>
6122
6123         PR middle-end/14997
6124         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6125         when we would be extracting outside its bit span (bitpos+bitsize
6126         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6127         Ada unchecked conversions.
6128
6129 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6130
6131         * tree-ssa-pre.c (try_look_through_load): New function.
6132         (compute_avail): Use it to try to look through loads for some
6133         more useful expressions.
6134
6135 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6136
6137         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6138         condition for detecting cases like (a&a) and (a^a).
6139
6140 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6141
6142         * common.opt: Add option ftree-vect-loop-version.
6143         * params.def: Add --param vect-max-version-checks.
6144         * doc/invoke.texi: Document ftree-vect-loop-version and
6145         --param vect-max-version-checks.
6146         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6147         may_misalign_stmts and defines for accessors.
6148         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6149         LOOP_VINFO_MAY_MISALIGN_STMTS.
6150         (destroy_loop_vec_info): VEC_free for
6151         LOOP_VINFO_MAY_MISALIGN_STMTS.
6152         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6153         Update documentation.
6154         (vect_update_misalignment_for_peel): New.
6155         (vect_enhance_data_refs_alignment): Update to choose loop
6156         peeling or loop versioning if appropriate for the (potentially)
6157         unaligned data references in the loop.
6158         (vect_analyze_data_refs_alignment): Remove call to
6159         vect_enhance_data_refs_alignment so the checks can be done
6160         earlier.
6161         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6162         and move up call to vect_analyze_data_refs_alignment.
6163         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6164         (vect_transform_loop): Add call to loop_version.
6165
6166 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6167
6168         PR rtl-optimization/23098
6169         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6170         * simplify-rtx.c (constant_pool_reference_p): New function.
6171         * rtl.h (constant_pool_reference_p): New prototype.
6172         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6173         constant_pool_reference_p in condition and
6174         avoid_constant_pool_reference in preparation statements.
6175
6176 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6177
6178         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6179         STRICT_LOW_PART SETs.
6180
6181 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6182
6183         PR middle-end/21460
6184         * except.c (sjlj_emit_function_enter): Find the function begin
6185         note even when it's not in first basic block.
6186
6187 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6188
6189         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6190         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6191         * aclocal.m4: Regenerate.
6192
6193 2005-09-05  DJ Delorie  <dj@redhat.com>
6194
6195         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6196         of macro.
6197
6198 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6199
6200         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6201         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6202         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6203         Follow spelling conventions.
6204         * doc/invoke.texi: Follow spelling conventions.
6205
6206 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6207
6208         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6209         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6210         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6211
6212 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6213
6214         PR target/23683
6215         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6216         (output_stack_adjust): Use gen_tmp_stack_mem.
6217         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6218         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6219         (sh_get_pr_initial_val): Likewise.
6220         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6221         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6222         * sh.md (divsi_inv_m0): Use gen_const_mem.
6223         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6224         (movdf_i4+1): Use gen_tmp_stack_mem.
6225         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6226         (fpu_switch+2): Likewise.
6227         (movv4sf_i, movv16sf_i): Use adjust_address.
6228         (symGOT_load): Set MEM_NOTRAP_P bit.
6229
6230 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6231
6232         PR target/23721
6233         * pa.c (emit_move_sequence): Fix typo in last change.
6234
6235 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6236
6237         PR rtl-optimization/23454
6238         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6239         is true.
6240
6241 2005-09-03  Richard Henderson  <rth@redhat.com>
6242             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6243
6244         PR middle-end/23671
6245         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6246         gen_rtx_MEM.
6247
6248 2005-09-02  Nicolas Pitre <nico@cam.org>
6249
6250         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6251         to bit_count to 32 bits.
6252
6253 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6254
6255         PR c++/23167
6256         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6257         generating synthetic loads from volatile lvalues.
6258
6259 005-09-02  Nick Clifton  <nickc@redhat.com>
6260
6261         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6262         __ctzhi2, __clzhi2): New functions.
6263
6264 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6265
6266         PR middle-end/23547
6267         * tree-nested.c (struct var_map_elt): Mark with GTY.
6268         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6269         var_map_elt.
6270         (lookup_field_for_decl): Allocate new element in GC memory.
6271         (lookup_tramp_for_decl): Likewise.
6272         (convert_nl_goto_reference): Likewise
6273         (create_nesting_tree): Allocate info in GC memory. Likewise for
6274         info->var_map.
6275         (free_nesting_tree): Free with ggc_free instead of free.
6276         (root): New static variable.
6277         (lower_nested_functions): Remove root as local variable.  And zero out
6278         root at the end of the function.
6279
6280 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6281
6282         PR rtl-optimization/20365
6283         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6284         to short.  New member ix.
6285         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6286         (simplify_plus_minus): Initialize ix members before calling qsort.
6287
6288 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6289
6290         PR tree-optimization/23626
6291         * tree-cfg.c (replace_uses_by): Clean up eh info.
6292
6293 2005-09-01  DJ Delorie  <dj@redhat.com>
6294
6295         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6296         fprintf.
6297
6298 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6299
6300         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6301         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6302         gen_rtx_MEM.
6303
6304 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6305
6306         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6307         do not issue warning for a variable definition following
6308         a declaration.
6309
6310 2005-09-01  Richard Henderson  <rth@redhat.com>
6311
6312         PR 23668
6313         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6314         conversion to CONST_VECTOR.
6315
6316 2005-09-01  Richard Henderson  <rth@redhat.com>
6317
6318         PR 23676
6319         * reload1.c (reload_as_needed): Check !CALL_P before calling
6320         fixup_eh_region_note.
6321         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6322
6323 2005-09-01  DJ Delorie  <dj@redhat.com>
6324
6325         * varasm.c (output_constant): Let the target resolve
6326         conversions of addresses to non-default pointer sizes.
6327
6328 2005-09-01  Nicolas Pitre <nico@cam.org>
6329
6330         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6331         to alow matching ARM pre-indexed addressing mode.
6332         (arm_override_options): Remove now irrelevant comment.
6333
6334 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6335
6336         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6337         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6338         * config/i386/vxworks.h:  Likewise.
6339         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6340         * config/i386/vxworksae.h:  Likewise.
6341
6342 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6343
6344         PR tree-optimization/23410
6345         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6346         sequence is not wrapping during the first step.
6347
6348 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR debug/7241
6351         * dwarf2out.c (base_type_die): Compare char_type_node with
6352         TYPE_MAIN_VARIANT (type), not type.
6353
6354 2005-09-01  Richard Guenther  <rguenther@suse.de>
6355
6356         PR tree-optimization/15366
6357         * common.opt: Add -finline-functions-called-once.
6358         Put -fearly-inlining in alphabetically ordered place.
6359         * doc/invoke.texi: Document new option.
6360         * ipa-inline.c (cgraph_decide_inlining): Honour
6361         flag_inline_functions_called_once.
6362
6363 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6364
6365         PR rtl-optimization/23478
6366         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6367         (alloc_qty): Initialize it.
6368         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6369         (combine_regs): Combine also n_throwing_calls_crossed fields.
6370         (find_free_reg): Don't attempt to caller-save pseudos crossing
6371         calls that might throw.
6372         * global.c (struct allocno): Add throwing_calls_crossed field.
6373         (global_alloc): Revert 2005-08-22 change.  Initialize
6374         throwing_calls_crossed.
6375         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6376         might throw.
6377
6378 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6379
6380         PR target/23649
6381         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6382         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6383         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6384         (and64_2_operand): Tweak to use predicate.
6385         (and_operand): Adjust for mask_operand changes.
6386         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6387         (print_operand): Likewise.
6388         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6389         (mask64_1or2_operand): Delete.
6390         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6391         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6392         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6393         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6394         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6395         (rotldi3_internal4): Likewise.
6396         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6397         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6398         (ashldi3_internal7): Likewise.
6399         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6400         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6401         (anddi3 split): Don't match mask64_operand.
6402         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6403         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6404         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6405         't' splitter predicate.
6406         (movdi_internal64 + 2): Revert 2005-06-11 change.
6407
6408 2005-08-31  DJ Delorie  <dj@redhat.com>
6409
6410         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6411         (m32c_asm_integer): Add support for 32 bit pointers.
6412
6413 2005-08-31  Richard Henderson  <rth@redhat.com>
6414
6415         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6416         component-like references for setting MEM_NOTRAP_P.
6417
6418         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6419         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6420
6421 2005-08-31  Richard Henderson  <rth@redhat.com>
6422
6423         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6424         into a pseudo before applying gen_lowpart.
6425
6426 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6427
6428         * doc/install.texi (Specific): Update cctools version required
6429         for full functionality.
6430         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6431         linkers as -macosx_version_min.
6432
6433 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6434
6435         PR target/21255
6436         * sh.c (print_operand, %R and %S): Add handling of floating point
6437         registers, memory, constants and invalid operands.
6438
6439 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6440
6441         * ipa-pure-const.c: Change dump name.
6442
6443 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6444
6445         PR target/23570
6446         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6447         to "reg_or_0_operand".
6448         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6449
6450 2005-08-31  Dale Johannesen  <dalej@apple.com>
6451
6452         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6453         loops that count down.
6454
6455 2005-08-31  Richard Henderson  <rth@redhat.com>
6456
6457         PR rtl-opt/23601
6458         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6459         (fixup_eh_region_note): New.
6460         (reload_as_needed): Call it.
6461         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6462         don't call find_many_sub_basic_blocks; call verify_flow_info.
6463         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6464         (keep_stack_depressed): Likewise.
6465         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6466
6467 2005-08-31  Richard Henderson  <rth@redhat.com>
6468
6469         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6470         fp return matching.
6471
6472 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6473
6474         * expr.c (expand_expr_real_1): Compare size of address
6475         mode to target's address mode size in deciding expansion of
6476         the constant address.
6477
6478 2005-08-31  Richard Guenther  <rguenther@suse.de>
6479
6480         PR middle-end/23477
6481         * expr.c (all_zeros_p): New function.
6482         (expand_expr_real_1): Handle the case of an all-zero
6483         non-addressable constructor separately.
6484
6485 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6486
6487         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6488         arguments, adjust all callers.
6489         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6490
6491 2005-08-30  Richard Henderson  <rth@redhat.com>
6492
6493         PR target/23630
6494         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6495         whenever the mode sizes match.
6496
6497 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6498
6499         * calls.c (load_register_parameters): Fix comment typo.
6500         * expr.c (emit_push_insn): Comment formatting.
6501
6502 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6503
6504         * config/i386/x-cygwin (host-cygwin): Change dependency from
6505         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6506
6507 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6508
6509         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6510         parts of 'vals'.
6511
6512 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6513
6514         PR middle-end/23408
6515         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6516         call to ggc_collect.
6517
6518 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6519
6520         PR bootstrap/21268
6521         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6522         beginning.  Remove $(INCLUDES) from all the rules, if following
6523         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6524
6525 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6526
6527         PR middle-end/23484
6528         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6529         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6530         not constant, but maxlen is, don't set len to maxlen, rather
6531         set maxlen to len if len is a constant.
6532
6533 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6534
6535         PR tree-optimization/23475
6536         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6537         and counts.
6538
6539 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6540
6541         Fix PR middle-end/22455
6542
6543         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6544         Checksum only the parts of the tree that exist for the tree code.
6545
6546 2005-08-28  Dale Johannesen  <dalej@apple.com>
6547
6548         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6549
6550 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6551
6552         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6553
6554 2005-08-28  Richard Henderson  <rth@redhat.com>
6555
6556         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6557         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6558         of char_type_node.
6559
6560 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6561
6562         PR ada/23593
6563         * builtins.c (get_memory_rtx): Don't strip nops
6564         in between COMPONENT_REFs.
6565
6566 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6567
6568         PR middle-end/23463
6569         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6570         types.
6571         (gimplify_modify_expr): Check for zero sized types and gimplify the
6572         rhs and lhs as statements.
6573
6574 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6575
6576         PR libgcj/23508
6577         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6578         state for return address column of signal frames.
6579
6580 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6581
6582         PR target/23539
6583         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6584         bytes >= 2 not bytes == 2.
6585         (expand_block_move): Same.
6586
6587 2005-08-27  Richard Guenther  <rguenther@suse.de>
6588
6589         PR target/23575
6590         * config/i386/sse.md (sse2_movsd): Add missing closing
6591         braces.
6592
6593 2005-08-27  Paul Brook  <paul@codesourcery.com>
6594
6595         * genrecog.c (enum decision_type): Add DT_num_insns.
6596         (struct decision_test): Add u.num_insns.
6597         (add_to_sequence): Add DT_num_insns test.
6598         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6599         (write_cond, debug_decision_2): Ditto.
6600         (change_state): Assume peep2_next_insn never fails.
6601         Remove "afterward" argument.
6602         (write afterward, write_tree): Update to match.
6603         * recog.c (peep2_current_count): New variable.
6604         (peep2_next_insn): Check it.
6605         (peephole2_optimize): Set peep2_current_count.
6606         * recog.h (peep2_current_count): Declare.
6607
6608 2005-08-26  Josh Conner  <jconner@apple.com>
6609
6610         PR middle-end/23584
6611         * ipa-pure-const.c (check_tree): Check for volatile-ness
6612         when considering a dereference.
6613
6614 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6615
6616         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6617
6618 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6619
6620         PR rtl-optimization/23561
6621         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6622         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6623         at most LEN bytes long memory fits into the field.
6624         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6625         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6626         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6627
6628 2005-08-26  Richard Henderson  <rth@redhat.com>
6629
6630         PR rtl-opt/23560
6631         * loop.c (biased_biv_may_wrap_p): New.
6632         (maybe_eliminate_biv_1): Use it to suppress non-equality
6633         comparison transformations.  Delete disabled code.
6634
6635 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6636
6637         * combine.c (make_extraction): Avoid reference outside object.
6638
6639 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6640
6641         * stor-layout.c (finalize_type_size): Restore behaviour for
6642         non-aggregate types to the status quo ante of the patch for
6643         pr 23467.  Document why it matters.
6644
6645 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6646
6647         PR c/23506
6648         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6649         array by one element, initialize the BT_LAST element with NULL.
6650
6651 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6652
6653         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6654         optimizing for size.
6655         (plus_eqsi): Same.
6656         (compare_plus_eqsi): Same.
6657         (plus_eqsi_compare): Same.
6658         (neg_eq0<mode>): Same.
6659         (neg_eq<mode>): Same.
6660
6661         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6662         PROCESSOR_POWER4.
6663
6664 2005-08-26  Nick Clifton  <nickc@redhat.com>
6665
6666         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6667         TARGET_EP is not defined.
6668         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6669         TARGET_EP is enabled.
6670         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6671         * config/v850/v850.md (save_all_interrupt): Only use the EP
6672         register if TARGET_EP is defined.
6673         (restore_all_interrupt): Likewise.
6674         * config/v850/lib1funcs.asm: Update functions so that the EP
6675         register is only used if __EP__ is defined.
6676
6677 2005-08-26  David Ung  <davidu@mips.com>
6678
6679         * config/mips/mips.c (mips_expand_prologue): Handle case when
6680         generating for MIPS16 and the outgoing argument area is more than
6681         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6682         add instruction.
6683
6684 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6685
6686         * config/crx/crx.md: Make doloop_end pattern usage controllable
6687         via mloop-nesting=<max-nesting> command line switch. Make sure
6688         the combiner cannot use doloop_end_<mode> in an illegal way.
6689         * config/crx/crx.c: Use regs up to r6 for argument passing.
6690         Refine crx_address_cost (non cst4 displacements are expensive).
6691         * config/crx/crx.opt: Add switch for mloop-nesting=.
6692
6693 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6694
6695         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6696         (UNSPEC_MVST): New constant.
6697
6698 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6699
6700         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6701         Reject operands containing eliminable registers.
6702         * testsuite/gcc.dg/20050825-1.c: New testcase.
6703
6704 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6705             Jan Hubicka  <jh@suse.cz>
6706
6707         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6708
6709 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6710
6711         PR tree-optimization/23546
6712         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6713         and REAL_CST nodes.
6714
6715 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6716
6717         * params.def (PARAM_MIN_SPEC_PROB): New.
6718         * sched-rgn.c (MIN_PROBABILITY): Delete.
6719         (compute_trg_info): Convert to PARAM_VALUE.
6720         * doc/invoke.texi (param): Document min-spec-prob.
6721
6722 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6723
6724         * config/darwin.h: define __PIC__
6725         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6726         TARGET_OS_CPP_BUILTINS macro.
6727
6728 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6729
6730         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6731         yesterday.
6732
6733 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6734
6735         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6736         to duplicate_block.
6737         * cfghooks.c (duplicate_block): Added position where to place
6738         new block as argument.
6739         * cfghooks.h (duplicate_block): Declaration changed.
6740         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6741         duplicate_block.
6742         * cfglayout.h (copy_bbs): Declaration changed.
6743         * cfgloop.h (loop_version): Declaration changed.
6744         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6745         position to copy_bbs.
6746         (loop_version): Pass position to duplicate_loop_to_header_edge.
6747         Add place_after argument and position new blocks according to
6748         it.
6749         * modulo-sched.c (sms_schedule): Pass place_after argument
6750         to loop_version.
6751         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6752         * tree-cfg.c (split_edge_bb_loc): New function.
6753         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6754         to determine position of new blocks.
6755         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6756         to loop_version.
6757         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6758         argument to duplicate_block.
6759         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6760         Pass position to copy_bbs.
6761
6762 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6763
6764         * fold-const.c (ptr_difference_const): Use
6765         cst_and_fits_in_hwi instead of host_integerp.
6766
6767 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6768
6769         * config/darwin.c (gen_pic_offset): New.
6770         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6771         Use it.
6772
6773 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6774
6775         PR tree-optimization/23486
6776         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6777
6778 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6779
6780         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6781         remove use_collect2.
6782         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6783
6784         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6785         configuration files to override the default value.
6786
6787         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6788         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6789         * config/vx-common.h:  New file, split out from...
6790         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6791         * config/vxworksae.h:  New file, for VxWorks AE.
6792         * config/vxworks.opt:  New file.
6793         * config/vxlib.c:  Update for VxWorks 6.
6794
6795         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6796         other MULTILIB_* variables appropriately.
6797         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6798         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6799         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6800         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6801
6802 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6803
6804         PR target/20799
6805         * config/darwin.c (machopic_select_section): Remove the hack to
6806         mark "::operator new" and "::operator delete" for coalescing
6807         even though they are not weak.
6808
6809 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6810
6811         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6812         * configure: Regenerate.
6813
6814 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6815
6816         PR middle-end/23517
6817         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6818         between vectors.
6819         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6820         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6821         Likewise.
6822
6823 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6824
6825         * config/rs6000/predicates.md (equality_operator): New.
6826         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6827         comparison with a large constant.
6828
6829 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6830
6831         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6832
6833 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6834
6835         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6836         registers is even, and we have a hardware double precision fp,
6837         align the buffer.
6838         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6839         size of current argument when checking if argument was passed in
6840         registers.
6841
6842         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6843
6844         PR middle-end/23467
6845         * stor-layout.c (finalize_type_size): Dont override
6846         existing alignment with a smaller alignment from the mode.
6847
6848 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6849
6850         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6851         * lambda.h (lambda_vector_lexico_pos): ... here.
6852         * tree-data-ref.c (build_classic_dist_vector): Return false when
6853         the distance vector is lexicographically negative.
6854
6855 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6856
6857         PR tree-optimization/23511
6858         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6859         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6860
6861 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6862
6863         PR tree-optimization/22043
6864         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6865         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6866         If ALLOW_FLEXARR, handle types ending with flexible array member.
6867         Pass false as second argument to recursive count_type_elements calls.
6868         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6869         argument to count_type_elements call.
6870         * tree-sra.c (decide_block_copy): Likewise.
6871         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6872         for a constant-sized object, set cleared as well.  Pass true as
6873         second argument to count_type_elements call.
6874
6875 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6876
6877         PR target/21571
6878         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6879         from legitimate_small_data_p, and make global.  Update use.
6880         Remove forward declaration.
6881         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6882         Declare.
6883         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6884
6885 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6886
6887         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6888         of scratch intermediates.
6889         (eq<mode>_compare): Same.
6890         (neg_eq0<mode>): New.
6891         (neg_eq<mode>): Convert to define_insn_and_split.
6892
6893 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6894
6895         PR target/23070
6896         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6897         stdarg functions, set/clear the fp marker even when no variable
6898         args are passed.
6899         * config/rs6000/sysv4.opt (mprototype): Describe.
6900
6901 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6902
6903         PR rtl-optimization/23478
6904         * regs.h (reg_info): Add throw_calls_crossed.
6905         (REG_N_THROWING_CALLS_CROSSED): Define.
6906         * flow.c (allocate_reg_life_data): Initialize
6907         REG_N_THROWING_CALLS_CROSSED.
6908         (propagate_one_insn, attempt_auto_inc): Update
6909         REG_N_THROWING_CALLS_CROSSED.
6910         * global.c (global_alloc): Don't allocate pseudos across
6911         calls that may throw.
6912
6913 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6914
6915         PR c/18715
6916         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6917         value is inbetween the range if we did not find an exact match.
6918
6919 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6920
6921         * doc/invoke.texi (Option Summary): Add ms1 options.
6922         * doc/extend.texi: Document interrupt handler attribute for ms1.
6923         * doc/md.texi: Document ms1 constraints.
6924         * config.gcc: Add ms1-*-elf.
6925         * config/ms1/ms1.h: New.
6926         * config/ms1/ms1.c: New.
6927         * config/ms1/ms1.md: New.
6928         * config/ms1/ms1-protos.h: New.
6929         * config/ms1/ABI.txt: New.
6930         * config/ms1/crti.asm: New.
6931         * config/ms1/crtn.asm: New.
6932         * config/ms1/lib2extra-funcs.c: New.
6933         * config/ms1/t-ms1: New.
6934         * config/ms1/ms1.opt: New.
6935
6936 2005-08-22 Ira Rosen <irar@il.ibm.com>
6937
6938         * config/rs6000/altivec.md (xorv4sf3): New.
6939         (negv4sf2, neg<mode>2): Likewise.
6940
6941 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6942
6943         PR target/23485
6944         * config/ia64/ia64.md (divsi3): Check divide by zero.
6945         (udivsi3): Likewise.
6946         (divdi3): Likewise.
6947         (udivdi3): Likewise.
6948
6949 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6950
6951         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6952         up to elem_bitsize bits, not max_bitsize.
6953
6954 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6955
6956         PR tree-optimization/23433
6957         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6958         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6959
6960 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6961
6962         PR tree-optimization/23434
6963         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6964         the iteration bound is not an INTEGER_CST.
6965
6966 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6967
6968         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6969         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6970         NULL if need_epilog_adjust is false.
6971         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6972         Case 3 always peels first itration, not just for PLUS case, and no need
6973         to use scalar_initial_def here. Create an epilog adjustment only if
6974         scalar_initial_def is not NULL.
6975
6976         (vectorizable_reduction): Remove assert.
6977
6978 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6979
6980         PR target/23485
6981         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6982         (__moddi3): Likewise.
6983         (__udivdi3): Likewise.
6984         (__umoddi3): Likewise.
6985         (__divsi3): Likewise.
6986         (__modsi3): Likewise.
6987         (__udivsi3): Likewise.
6988         (__umodsi3): Likewise.
6989
6990 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6991
6992         * tree-pass.h (TDF_GRAPH): Define.
6993         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6994         * passes.c (finish_optimization_passes): Only call
6995         finish_graph_dump_file if TDF_GRAPH is set.
6996         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6997         NULL.  Set TDF_GRAPH bit.
6998         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6999
7000 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7001
7002         * arm.h (arm_stack_offsets): Add locals_base field.
7003         * arm.c (arm_get_frame_offsets): Compute it.
7004         (thumb_compute_initial_elimination offset): Make the Thumb frame
7005         pointer point to the base of the local variables.
7006         (thumb_expand_prologue): Update accordingly.
7007         (thumb_expand_epilogue): Likewise.
7008
7009         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7010         mode of clobbered scratch to DImode.  Handle a case that's known to
7011         need this.
7012
7013 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7014
7015         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7016         (gt0<mode>_compare): Delete.
7017         (neg_gt0<mode>): Delete.
7018
7019 2005-08-19  Eric Christopher  <echristo@apple.com>
7020
7021         * optabs.h: Change CTI_ to COI_.
7022         * optabs.c: Ditto.
7023
7024 2005-08-19  James E Wilson  <wilson@specifix.com>
7025
7026         * builtins.c (expand_builtin_return_addr): Set
7027         current_function_accesses_prior_frames when count != 0.  Use
7028         frame_pointer_rtx when count == 0.
7029         * function.h (struct function): Add accesses_prior_frames field.
7030         (current_function_accesses_prior_frames): Define.
7031         * reload1.c (init_elim_table): Check
7032         current_function_accesses_prior_frames.
7033         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7034
7035 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7036
7037         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7038         indicator.  Return true if the flowgraph changed during
7039         cleanup.
7040
7041 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7042
7043         PR 23476
7044         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7045         conditional expression before testing its value.
7046
7047 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7048
7049         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7050
7051 2005-08-19  Devang Patel  <dpatel@apple.com>
7052
7053         PR tree-optimization/23048
7054         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7055         third parameter. Check whether latch is dominated by exit
7056         block or not.
7057         (if_convertible_loop_p): Supply exit block itself to
7058         if_convertible_bb_p.
7059
7060 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7061
7062         PR target/23473
7063         * arm.md (arm_load_pic_register): Change argument to the mask of
7064         saved registers.  Call thumb_find_work_register if we need a
7065         scratch register on Thumb.
7066         (arm_expand_prologue): Pass empty register set to
7067         arm_load_pic_register.
7068         (thumb_expand_prologue): Pass live_regs_mask directly to
7069         arm_load_pic_register.
7070         * arm-protos.h (arm_load_pic_register): Update prototype.
7071
7072 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7073
7074         * sh.c (find_sole_member): New function.
7075         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7076         if the record's alignment is larger than the size of its only member.
7077
7078 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7079
7080         PR target/23436
7081         * arm.c (thumb_legitimize_reload_address): New function.
7082         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7083         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7084
7085 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7086
7087         * config/crx/crx.c: Implement crx_decompose_address. Reject
7088         symbolic displacements since CRX register relative adressing
7089         mode can't handle unsigned 32-bit values as displacements.
7090         * config/crx/crx.h: Simplify definitions, remove redundant
7091         parenthesis and obsolete macros.
7092         * config/crx/crx.opt: Add new switch for debugging addresses.
7093         * config/crx/crx-protos.h: Add new declarations for above.
7094
7095 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7096
7097         PR middle-end/20624
7098         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7099         looking past it.
7100
7101 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7102
7103         * collect2.c (dup2): Delete.
7104         * configure.ac: Don't check for dup2.
7105
7106         * config.in, configure: Regenerate.
7107
7108 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7109
7110         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7111         record with the type of its only member.
7112
7113 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7114
7115         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7116         define_insn_and_split.
7117         (plus_ltu<mode>_compare): Same.
7118         (gtu<mode>_compare): Same.
7119         (plus_gtu<mode>_compare): Same.
7120
7121 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7122
7123         PR tree-optimization/22228
7124         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7125         todo_flags_start.
7126         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7127         are recorded in vect_vnames_to_rename for renaming.
7128         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7129         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7130         in vect_vnames_to_rename.
7131         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7132         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7133
7134 2005-08-18  Jan Hubicka  <jh@suse.cz>
7135
7136         PR c++/22034
7137         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7138         info only for local statics, not for member variables.
7139
7140 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7141
7142         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7143
7144 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7145
7146         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7147
7148 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7149
7150         PR middle-end/16045
7151         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7152
7153 2005-08-17  James E Wilson  <wilson@specifix.com>
7154
7155         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7156         array size check.
7157
7158 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7159
7160         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7161         (leu<mode>_compare): Same.
7162         (plus_leu<mode>): Same.
7163         (neg_leu<mode>): Same.
7164         (and_neg_leu<mode): Same.
7165         (ltu<mode>_compare): Same.
7166         (plus_ltu<mode>): Same.
7167         (geu<mode>): Same.
7168         (geu<mode>_compare): Same.
7169         (plus_geu<mode>): Same.
7170         (neg_geu<mode>): Same.
7171         (and_neg_geu<mode>): Same.
7172         (plus_gt<mode>): Same.
7173         (gtu<mode>_compare): Same.
7174         (plus_gtu<mode>): Same.
7175
7176 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7177
7178         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7179         Move call_table_data to end.  Delete spurious .text.
7180         (callt_save_all_interrupt): Fix comment typo.
7181
7182 2005-08-17  James E Wilson  <wilson@specifix.com>
7183             Kevin Winchester  <winchester@amirix.com>
7184
7185         PR target/21684
7186         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7187
7188 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7189
7190         PR target/23268
7191         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7192         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7193
7194 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7195
7196         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7197         record with the type of its only member if the modes don't match.
7198
7199         * varasm.c (decode_reg_name): Skip empty additional register names.
7200
7201 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7202
7203         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7204         lsm_tmp_name_length): New.
7205         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7206         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7207
7208 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7209             Andreas Krebbel  <krebbel1@de.ibm.com>
7210
7211         * config.gcc: Added z9-109 switch.
7212         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7213         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7214         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7215         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7216         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7217         for "z9_109" cpu attribute.
7218         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7219         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7220         (s390_handle_arch_option): Added z9-109 switch.
7221         (override_options): Set respective cost function for z9-109.
7222         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7223         (legitimate_reload_constant_p): Accept extended immediates.
7224         (print_operand): Three new output modifiers added: k, m and o.
7225         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7226         (s390_output_mi_thunk): Use extended immediate when possible.
7227         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7228         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7229         (CONSTRAINT_LEN): Added length of O constraint.
7230         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7231         * config/s390/s390.md ("cpu"): New value z9_109 added.
7232         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7233         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7234         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7235         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7236         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7237         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7238         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7239         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7240         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7241         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7242         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7243         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7244         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7245         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7246         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7247         immediates.
7248         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7249         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7250         insns for TARGET_EXTIMM.
7251
7252 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7253
7254         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7255
7256 2005-08-17  Nick Clifton  <nickc@redhat.com>
7257
7258         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7259         Call default_encode_section_info.
7260
7261 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7262
7263         PR tree-optimization/21574
7264         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7265         constant, return CONSTANT.
7266         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7267         (ccp_fold, visit_assignment): Likewise.
7268         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7269
7270 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7271
7272         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7273         fold_buildN instead of buildN then fold_initializer or fold.
7274         (build_unary_op): Likewise.
7275         (build_binary_op): Likewise.
7276         * fold-const.c (fold_initializer): Remove.
7277         (fold_build1_initializer): New function.
7278         (fold_build2_initializer): New function.
7279         (fold_build3_initializer): New function.
7280         * tree.h (fold_initializer): Remove.
7281         (fold_build1_initializer): New function.
7282         (fold_build2_initializer): New function.
7283         (fold_build3_initializer): New function.
7284
7285 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7286
7287         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7288         (try_move_mult_to_index): Call fold_build2 instead of build2.
7289         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7290         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7291         fold_binary_to_constant.
7292         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7293         fold (build.
7294         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7295         check if A == gcd (A, B).  Remove TYPE argument.
7296         (analyze_offset) Use fold_build2 instead of fold (build.
7297         (create_data_ref): Likewise.
7298         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7299         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7300         then fold.
7301
7302 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7303
7304         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7305         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7306
7307 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7308
7309         PR tree-opt/23402
7310         * gimplify.c (zero_sized_type): New function.
7311         (gimplify_modify_expr_rhs): If we have a zero sized type,
7312         replace the statement with an empty statement.
7313
7314 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7315
7316         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7317         fxsave.
7318
7319 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7320
7321         * doc/tm.texi (Label Output): Correct typo.
7322
7323 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7324
7325         PR target/23376
7326         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7327         force_operand will work later on using have_insn_for.
7328
7329 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7330
7331         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7332
7333 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7334
7335         PR c++/23337
7336         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7337         vector type, don't try to construct it element by element.  Add an
7338         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7339
7340 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7341
7342         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7343
7344 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7345
7346         * doc/invoke.texi (Precompiled Headers): Document some more options
7347         which are known to be safe.
7348
7349 2005-08-16  James E Wilson  <wilson@specifix.com>
7350
7351         PR tree-optimization/21105
7352         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7353         TREE_OVERFLOW check.
7354
7355 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7356
7357         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7358         (neg_ltu<mode>): Same.
7359         (gtu<mode>): Same.
7360         (neg_gtu<mode>): Same.
7361
7362 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7363
7364         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7365         (fold_builtin_isdigit): Use fold_buildN.
7366         (build_function_call_expr): Likewise.
7367         * c-typeck.c (c_finish_loop): Likewise.
7368
7369 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7370             Richard Shann <rshann@superh.com>
7371
7372         PR middle-end/20396:
7373         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7374
7375 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7376
7377         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7378
7379 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7380
7381         PR target/23355
7382         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7383         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7384         must be saved.
7385
7386 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7387
7388         PR middle-end/23369
7389         * fold-const.c (build_range_check): Disable optimization for function
7390         pointer expressions on targets that require function pointer
7391         canonicalization.
7392
7393 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7394
7395         * simplify-rtx.c (simplify_const_relational_operation): When
7396         extracting arguments of a COMPARE, recompute the mode as well.
7397
7398 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7399
7400         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7401
7402 2005-08-15  DJ Delorie  <dj@redhat.com>
7403
7404         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7405         the stack.
7406         (movsi_splittable): Allow, but split, moves to the stack.
7407         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7408         stack.
7409
7410 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7411
7412         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7413         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7414         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7415
7416         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7417         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7418         Delete HOST_PTR_PRINTF.
7419
7420         * configure, config.in: Regenerate.
7421
7422 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7423
7424         * config/rs6000/rs6000.md (QHSI): New mode macro.
7425         (wd): Extend mode attr for QImode and HImode
7426         (dbits): New mode attr.
7427         (zero_extend<mode>di2): Convert to mode macro.
7428
7429 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7430
7431         PR target/21841
7432         * doc/invoke.texi (-mgnu-ld): Update description.
7433         (-mhp-ld): Ditto.
7434
7435 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7436
7437         PR 23391
7438         * Makefile.in (tree-chrec.o): Depends on real.h.
7439         * tree-chrec.c: Include real.h.
7440         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7441         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7442         * tree-scalar-evolution.c (add_to_evolution_1,
7443         interpret_rhs_modify_expr): Ditto.
7444
7445 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7446
7447         PR 23386
7448         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7449         step is negative compute the estimation from init downwards to zero.
7450
7451 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7452
7453         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7454
7455 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7456
7457         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7458         constraint.
7459         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7460         Accept double-word constants that can be split.
7461         * config/s390/s390.md ("movti"): Use 'P' constraint.
7462         ("*movdi_31", "*movdf_31"): Likewise.
7463
7464 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7465
7466         Fix PR tree-optimization/22615
7467
7468         * tree-ssa-structalias.c (solution_set_add): Handle
7469         first_vi_for_offset returning NULL.
7470         (do_da_constraint): Ditto.
7471         (do_sd_constraint): Ditto.
7472         (do_ds_constraint): Ditto
7473         (find_func_aliases): Ditto.
7474         (build_constraint_graph): RHS is allowed be ANYTHING.
7475         (first_vi_for_offset): Return NULL if we couldn't find anything at
7476         the offset.
7477
7478 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7479
7480         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7481         over memory as first operand.
7482
7483 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7484
7485         PR target/23360
7486         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7487         available for setting it.
7488
7489 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7490
7491         PR tree-optimization/23320
7492         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7493         data-refs' types instead of base object nullness. Add check for
7494         pointer type data-refs before first location comparison. Remove
7495         assert.
7496
7497 2005-08-14  Andreas Schwab  <schwab@suse.de>
7498
7499         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7500
7501 2005-08-13  James E Wilson  <wilson@specifix.com>
7502
7503         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7504         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7505         -fstack-protector-all, --param ssp-buffer-size): Document.
7506         (-Wvariadic-macros): Alphabetize.
7507         (-fsched-stalled-insns-dep): Add missing 'f'.
7508
7509         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7510         macros.
7511
7512 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7513
7514         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7515         or indirect address operand.
7516         (EXTRA_ADDRESS_CONSTRAINT): New.
7517         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7518
7519 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7520
7521         PR tree-optimization/22236
7522         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7523         successors and predecessors.
7524         * tree-chrec.c (chrec_convert): Before converting, check that
7525         sequences don't wrap.
7526         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7527         (analyze_array): Extern.
7528         (find_data_references_in_loop): Remove call to
7529         compute_estimated_nb_iterations.
7530         * tree-data-ref.h (analyze_array): Declared.
7531         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7532         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7533         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7534         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7535         condition.
7536         * tree-ssa-loop-ivcanon.c: Fix documentation.
7537         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7538         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7539         (infer_loop_bounds_from_undefined): New.
7540         (estimate_numbers_of_iterations_loop): Use
7541         infer_loop_bounds_from_undefined.
7542         (used_in_pointer_arithmetic_p): New.
7543         (scev_probably_wraps_p): Pass an extra parameter.  Call
7544         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7545         (convert_step): Fix documentation.
7546         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7547         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7548         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7549         scev_probably_wraps_p.
7550
7551 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7552
7553         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7554         (s390_register_info): Ignore clobbered_regs information for fixed
7555         registers, and only fixed registers.
7556         (s390_init_frame_layout): Remove redundant call.
7557
7558 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7559
7560         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7561         description of -Wold-style-casts.
7562
7563 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7564             Jakub Jelinek  <jakub@redhat.com>
7565
7566         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7567         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7568         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7569         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7570         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7571         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7572         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7573         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7574         ("stack_protect_set", "stack_protect_test"): New expanders.
7575         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7576         "stack_protect_testdi"): New insn definitions.
7577
7578 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7579
7580         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7581
7582 2005-08-12  Paul Brook  <paul@codesourcery.com>
7583
7584         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7585
7586 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7587
7588         * config/s390/predicates.md (setmem_operand): New predicate.
7589         (shift_count_operand): Accept ANDs with special constants as
7590         operand.
7591         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7592         with special constants.
7593         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7594         shift_count_operand with setmem_operand.
7595
7596 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7597
7598         * config/s390/s390.c (s390_extract_part, s390_single_part):
7599         Type cast added.
7600         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7601         (s390_output_mi_thunk): Don't use lg on 31 bit.
7602         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7603         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7604
7605 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7606
7607         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7608         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7609         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7610         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7611         with one of the new macros.
7612
7613 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7614
7615         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7616         Don't set save_return_addr_p.
7617         (s390_register_info): Make clobbered_regs not depending on
7618         save_return_addr_p.
7619
7620 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7621
7622         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7623         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7624
7625 2005-08-11  James E. Wilson  <wilson@specifix.com>
7626
7627         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7628
7629 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7630
7631         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7632         locations gathered by var-tracking in single entry loc_list
7633         over loc_descriptor_from_tree.
7634
7635         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7636         pass it down to loc_descriptor.
7637         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7638         (containing_function_has_frame_base): Move earlier in the file.
7639         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7640         instead of always assuming fbreg can't be used.
7641
7642 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7643
7644         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7645         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7646         Accept address wrapped in AND for Altivec.
7647         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7648         Strip AND wrapping offset address for Altivec.
7649
7650 2005-08-11  Richard Henderson  <rth@redhat.com>
7651
7652         PR middle-end/23312
7653         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7654         before using TYPE_IS_SIZETYPE.
7655
7656 2005-08-11  Richard Henderson  <rth@redhat.com>
7657
7658         PR target/22225
7659         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7660         insn types not present on ev4.
7661         (alphaev5_insn_pipe): Similarly.
7662
7663 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7664
7665         PR target/23250
7666         * arm.c (arm_override_options): If the user has selected callee-super-
7667         interworking, then enable normal interworking.
7668
7669 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7670
7671         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7672         redefinition.
7673
7674 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7675
7676         * doc/rtl.texi: Fix two typos.
7677
7678 2005-08-11  Richard Guenther  <rguenther@suse.de>
7679
7680         PR target/23289
7681         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7682         cases where we call to/from functions returning void.
7683
7684 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7685
7686         PR c++/23225
7687         * tree.c (build_pointer_type_for_mode): Robustify.
7688
7689 2005-08-10  James E Wilson  <wilson@specifix.com>
7690
7691         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7692         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7693
7694         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7695         "cum->".
7696
7697 2005-08-10  Eric Christopher  <echristo@apple.com>
7698
7699         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7700         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7701         V2DFmode.
7702
7703 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7704
7705         PR target/21887
7706         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7707         for the high part when generating dynamic-no-pic code.
7708
7709 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7710
7711         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7712         (x86_64-*-linux*): Likewise.
7713
7714         * config/i386/crtfastmath.c: New file.
7715         * config/i386/t-crtfm: Likewise.
7716
7717         * config/i386/linux.h (ENDFILE_SPEC): New.
7718         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7719
7720         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7721         crtfastmath.o.
7722
7723 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7724
7725         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7726         (vec_shl, vec_shr): Document new operations.
7727         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7728
7729 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7730
7731         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7732         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7733         change predicate to indexed_or_indirect_address.
7734
7735 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7736
7737         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7738         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7739         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7740         and __aeabi_uwrite8.
7741         * config/arm/unaligned-funcs.c: New file.
7742         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7743
7744 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7745
7746         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7747         Add dump.
7748         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7749         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7750         Add dump.
7751         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7752         * final.c (pass_shorten_branches): Add dump.
7753         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7754         (pass_life): Rename dump.
7755         (rest_of_handle_flow2): Remove initial verify_flow_info.
7756         * function.c (pass_instantiate_virtual_regs): Add dump.
7757         * integrate.c (pass_initial_value_sets): Add dump.
7758         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7759         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7760         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7761         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7762         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7763         gate_rtl_unrool_and_peel_loops): New.
7764         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7765         rtl_doloop): Do not look at flags.
7766         * mode-switching.c (pass_mode_switching): Add dump.
7767         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7768         pass_split_before_regstack): Add dump.
7769         * regmove.c (pass_stack_adjustments): Add dump.
7770         * tree-optimize.c (pass_fixup_cfg): Add dump.
7771
7772 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7773
7774         PR 23309
7775         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7776         deciding which instruction sequence to use.
7777
7778 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7779
7780         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7781         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7782
7783 2005-08-09  Richard Guenther  <rguenther@suse.de>
7784
7785         * c-common.c (builtin_function_2): Remove.
7786         (def_builtin_1): New function.
7787         (c_common_nodes_and_builtins): Use def_builtin_1 to
7788         build builtin functions.
7789
7790 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7791
7792         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7793         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7794         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7795         Visual DSP.
7796
7797 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7798
7799         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7800         fold_binary instead of fold_build2 since we don't care about the
7801         resulting tree.
7802         (loop_niter_by_eval): Likewise.
7803         (compare_trees): Likewise.
7804         (proved_non_wrapping_p): Likewise.
7805
7806 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7807
7808         PR c/23161
7809         PR c/23165
7810         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7811         if the if is really empty.
7812
7813 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7814
7815         PR tree-optimization/23234
7816         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7817         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7818         argument of the new enum.
7819         (execute_cse_reciprocals): Add reciprocals for function arguments
7820         on the unique successor edge of the entry block.  Update other calls
7821         to execute_cse_reciprocals_1.
7822
7823 2005-08-08  Richard Henderson  <rth@redhat.com>
7824
7825         PR 22439
7826         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7827
7828 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7829
7830         * expr.c (write_complex_part): Return after handling MEM.
7831
7832 2005-08-08  Josh Conner  <jconner@apple.com>
7833
7834         PR rtl-optimization/23241
7835         * combine.c (simplify_comparison): Fix error in determining
7836         whether to lift a subreg from comparison.
7837
7838 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7839
7840         PR target/18506
7841         * config/rs6000/altivec.md (vec_init<mode>): New.
7842         (vec_set<mode>): New.
7843         (vec_extract<mode>): New.
7844         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7845         (rs6000_expand_vector_set): New.
7846         (rs6000_expand_vector_extract): New.
7847         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7848         for Altivec modes before reload.
7849         (altivec_expand_vec_init_builtin): New.
7850         (get_element_number): New.
7851         (altivec_expand_vec_set_builtin): New.
7852         (altivec_expand_vec_ext_builtin): New.
7853         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7854         builtins.
7855         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7856         builtins.
7857         * config/rs6000/rs6000.h (rs6000_builtins): Add
7858         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7859         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7860         * config/rs6000/rs6000-protos.h: Declare new functions.
7861
7862 2005-08-08  Jan Hubicka  <jh@suse.cz>
7863
7864         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7865         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7866         * i386.md (movdi*): Use pic_32bit_operand.
7867         * predicates.md (pic_32bit_operand): New.
7868
7869 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7870
7871         PR c++/21166
7872         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7873
7874 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7875
7876         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7877         (test_for_singularity): Use fold_build2.
7878
7879 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7880
7881         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7882
7883 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7884
7885         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7886         (COMMON_ASM_OP) Define.
7887         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7888         (ix86_encode_section_info): Likewise.
7889         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7890         SUBTARGET_ENCODE_SECTION_INFO.
7891
7892 2005-08-06  Richard Henderson  <rth@redhat.com>
7893
7894         PR 21894
7895         * tree-nested.c (convert_local_reference): Save and restore val_only
7896         around component_ref and friends.  Clear walk_subtrees by default.
7897
7898 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7899
7900         PR 21366
7901         * gcc.c (process_command): Check the argument to -b has a dash.
7902         * doc/invoke.texi: Update -b and -V docs.
7903
7904 2005-08-06  James E Wilson  <wilson@specifix.com>
7905
7906         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7907
7908 2005-08-06  Michael Matz  <matz@suse.de>
7909
7910         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7911         member only if only one insn is associated with the value.
7912
7913 2005-08-06  Nick Clifton  <nickc@redhat.com>
7914
7915         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7916         New define.
7917         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7918         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7919         Check symbol flags instead of symbol name mangling.
7920         (xstormy16_asm_output_aligned_common): Likewise.  Also
7921         simplify code since the bss100_section cass is the only case
7922         where the below100 code will be triggered.
7923         (xstormy16_encode_section_info): Encode below100 attribute
7924         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7925         the name.
7926         (xstormy16_strip_name_encoding): Delete - this function is no
7927         longer needed.
7928         (TARGET_STRIP_NAME_ENCODING): Undefine.
7929         * config/stormy16/stormy16-protos.h: Delete prototype for
7930         xstormy16_strip_name_encoding.
7931
7932 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7933
7934         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7935         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7936         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7937         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7938         config/alpha/predicates.md, config/arc/arc.h,
7939         config/arm/arm.h, config/arm/ieee754-df.S,
7940         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7941         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7942         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7943         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7944         config/m68hc11/m68hc11.h, config/mips/mips.c,
7945         config/mips/mips.h, config/mips/openbsd.h,
7946         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7947         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7948         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7949         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7950         config/sparc/linux.h, config/sparc/linux64.h,
7951         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7952         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7953         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7954         typos.  Follow spelling conventions.
7955
7956 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7957
7958         PR c/23113
7959         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7960         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7961         specially.  Check for side effects only for COND_EXPR.
7962         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7963         return with TREE_NO_WARNING.
7964
7965 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7966
7967         PR rtl-optimization/23233
7968         * loop.c (combine_movables): Require the modes to be the same.
7969         (move_movables): Remove handling of cases where the replacement
7970         had a different mode to the original.
7971
7972 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7973
7974         PR tree-optimization/23128
7975         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7976         subtraction wrap, and set TREE_OVERFLOW if they do.
7977
7978 2005-08-05  Richard Henderson  <rth@redhat.com>
7979
7980         PR 21728
7981         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7982         FORCED_LABEL labels.
7983
7984 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7985
7986         PR middle-end/23135
7987         * reload.c (find_reloads_subreg_address): Pass down TYPE
7988         unchanged.  Change all callers except find_reloads_toplev.
7989
7990 2005-08-05  Michael Matz  <matz@suse.de>
7991
7992         * genattrtab.c (current_alternative_string): Remove.
7993         (SIMPLIFY_ALTERNATIVE): Ditto.
7994         (attr_alt_bit_p): Ditto.
7995         (alternative_name): Make const char *.
7996         (evaluate_eq_attr): Remove use of above things.
7997         (simplify_test_exp): Ditto.
7998         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7999         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8000
8001 2005-08-04  James E Wilson  <wilson@specifix.com>
8002
8003         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8004         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8005         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8006         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8007         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8008
8009 2005-08-04  Richard Henderson  <rth@redhat.com>
8010
8011         PR 21529
8012         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8013         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8014         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8015         if we'd have to instantiate too many members.
8016
8017 2005-08-04  Richard Henderson  <rth@redhat.com>
8018
8019         PR 21291
8020         * tree-outof-ssa.c (coalesce_asm_operands): New.
8021         (coalesce_ssa_name): Use it.  Split out ...
8022         (coalesce_phi_operands, coalesce_result_decls): ... these.
8023
8024 2005-08-04  Paul Brook  <paul@codesourcery.com>
8025
8026         * read-rtl.c (read_quoted_string): Break if EOF.
8027
8028 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8029
8030         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8031         (fold_build2): Likewise.
8032         (fold_build3): Likewise.
8033         (fold_build1_stat): New function prototype.
8034         (fold_build2_stat): Likewise.
8035         (fold_build3_stat): Likewise.
8036         * fold-const.c (fold_build1): Rename to ..
8037         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8038         through to build1_stat.
8039         (fold_build2): Rename to ..
8040         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8041         through to build2_stat.
8042         (fold_build3): Rename to ..
8043         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8044         through to build3_stat.
8045
8046 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8047             Ian Lance Taylor  <ian@airs.com>
8048
8049         * function.c (assign_stack_local_1): Do not correct stack slot
8050         address if allocation size is smaller than mode size.
8051
8052 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8053
8054         PR 22037
8055         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8056         (tree_merge_blocks): Propagate anything allowed by
8057         may_propagate_copy.
8058         Clarify documentation.
8059         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8060         SSA form, schedule an update if necessary.
8061
8062 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8063
8064         * doc/install.texi (Binaries): Remove broken link to
8065         Sinix/Reliant Unix binaries.
8066
8067 2005-08-03  Richard Henderson  <rth@redhat.com>
8068
8069         PR 23221
8070         * function.c (stack_protect_epilogue): Export.
8071         * tree.h (stack_protect_epilogue): Declare.
8072         * calls.c (expand_call): Call it.
8073
8074 2005-08-03  Eric Christopher  <echristo@apple.com>
8075
8076         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8077         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8078         spec.
8079
8080 2005-08-04  Jan Hubicka  <jh@suse.cz>
8081
8082         * profile.c (branch_prob): Split edges with goto locus on them
8083         to get proper line counts.
8084         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8085
8086 2005-08-03  Paul Brook  <paul@codesourcery.com>
8087
8088         * function.c (assign_parms): Round current_function_args_size
8089         to PARM_BOUNDARY, not STACK_BOUNDARY.
8090
8091 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8092
8093         * config/i386/i386.c (x86_elf_aligned_common)
8094         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8095
8096 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8097
8098         PR tree-optimization/23157
8099         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8100         before emitting them.
8101
8102 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8103
8104         PR tree-optimization/19899
8105         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8106         * tree-scalar-evolution.c: Include real.h.
8107         (add_to_evolution): Build constant -1 of correct type.
8108
8109 2005-08-03  Jan Hubicka  <jh@suse.cz>
8110
8111         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8112         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8113         profile updating for complette unrolling.
8114         * loop-unroll.c (peel_loop_completely): Use it.
8115         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8116         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8117         loops.
8118
8119 2005-08-03  Paul Brook  <paul@codesourcery.com>
8120
8121         * combine.c (can_change_dest_mode): New function.
8122         (try_combine, simplify_set): Use it.
8123
8124 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8125
8126         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8127         TFmode to BLKmode.
8128
8129 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8130
8131         * doc/install.texi (Specific): Adjust link to openavr.org.
8132         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8133         (Binaries): Adjust HP-UX Porting Center link.
8134         (Binaries): Adjust Free Software Foundation ordering link.
8135
8136 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8137
8138         * convert.c (convert_to_integer): Use fold_build1 instead of
8139         build1 when converting an integer to an integer.
8140
8141 2005-08-02  Richard Henderson  <rth@redhat.com>
8142
8143         * combine.c (combine_instructions): Don't use reg_equal/equiv
8144         results if the mode doesn't match.
8145
8146 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8147
8148         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8149         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8150
8151 2005-08-02  Richard Henderson  <rth@redhat.com>
8152
8153         PR 23196
8154         * explow.c (memory_address): Remove special-case for
8155         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8156
8157 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8158
8159         PR 23164
8160         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8161         number of calls to cleanup_tree_cfg_1.
8162
8163 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8164
8165         * doc/invoke.texi: document file extensions .F90 and .F95
8166
8167 2005-08-02  Richard Guenther  <rguenther@suse.de>
8168
8169         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8170         positive if its first argument is positive.
8171
8172 2005-08-02  Richard Guenther  <rguenther@suse.de>
8173
8174         PR tree-optimization/23177
8175         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8176         on TMR_TAG.
8177
8178 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8179
8180         PR tree-optimization/23129
8181         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8182         varying for divisions with anti-ranges.
8183
8184 2005-08-02  Jan Hubicka  <jh@suse.cz>
8185
8186         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8187         * tree-ssa-threadupdate.c (thread_block): Add it here.
8188
8189 2005-08-01  James E Wilson  <wilson@specifix.com>
8190
8191         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8192         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8193         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8194         New.
8195         * config/mips/predicates.md (const_call_insn_operand): Add check for
8196         SYMBOL_REF_LONG_CALL_P.
8197         * doc/extend.texi (long_call): Document the new attribute.
8198
8199 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8200             Richard Henderson  <rth@redhat.com>
8201
8202         * Makefile.in (RTL_BASE_H): Add real.h.
8203         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8204         instead of memcpy.
8205         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8206         directly.
8207         * rtl.c (rtl_check_failed_code_mode): New.
8208         * rtl.h (struct rtx_def): Add u.rv.
8209         (XCMWINT, XCNMPRV): New.
8210         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8211         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8212
8213 2005-08-01  Richard Henderson  <rth@redhat.com>
8214
8215         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8216         with auto-inc codes.
8217
8218         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8219
8220 2005-08-01  Jan Hubicka  <jh@suse.cz>
8221
8222         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8223         * i386.c: Include dwarf2.h
8224         (asm_preferred_eh_data_format): New.
8225         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8226
8227 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8228
8229         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8230         randomize_va_space for virtual address randomization control.
8231
8232 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8233
8234         * common.opt (flag_ipa_cp): Put in right place to maintain
8235         alphabetic sort.
8236
8237 2005-08-01  Jan Hubicka  <jh@suse.cz>
8238
8239         * profile.c (compute_value_histograms): Fix thinko.
8240         * value-prof.c: Include toplev.h
8241         (check_counter): New function.
8242         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8243         tree_mod_subtract_transform): Add sanity check.
8244
8245 2005-08-01  Richard Guenther  <rguenther@suse.de>
8246
8247         PR tree-optimization/23133
8248         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8249         current functions parameter decls to find defs to cse
8250         reciprocals of.
8251
8252 2005-08-01  Richard Guenther  <rguenther@suse.de>
8253
8254         PR tree-optimization/23109
8255         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8256         If trapping math is in effect, use post-dominator information
8257         to check if we'd in any case reach a trapping point before
8258         doing the reciprocal insertion.
8259         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8260         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8261         expressions are invariant only if trapping math is not in effect.
8262
8263 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8264
8265         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8266         cgraph_function_versioning): New declarations.
8267         * cgraphunit.c: Add include to ipa-prop.h.
8268         (update_call_expr, cgraph_copy_node_for_versioning,
8269         cgraph_function_versioning): New functions.
8270         * integrate.c (copy_decl_for_inlining): Remove.
8271         * ipa-prop.h (ipa_replace_map): New struct.
8272         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8273         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8274         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8275         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8276         ipcp_iterate_stage, ipcp_method_scale_print,
8277         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8278         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8279         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8280         ipcp_update_bb_counts, ipcp_update_profiling,
8281         ipcp_update_edges_counts): New functions.
8282         (ipcp_method_cval_init): Remove restriction regarding local methods.
8283         (ipcp_init_stage): Add ipcp_method_compute_scale.
8284         (ipcp_insert_stage): Add versioning.
8285         (ipcp_structures_print): Add ipcp_method_scale_print.
8286         (ipcp_driver): Dump profiling info.
8287         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8288         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8289         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8290         (struct inline_data): Add versioning_p, ipa_info, new fields.
8291         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8292         declare_return_variable): Replace calls to copy_decl_for_inlining with
8293         copy_decl_for_dup.
8294         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8295         versioning support.
8296         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8297         Add argument VERSIONING.
8298         (copy_arguments_for_versioning, copy_static_chain,
8299         function_versionable_p, tree_versionable_function_p,
8300         tree_function_versioning, replace_ref_tree): New functions.
8301         * tree-inline.h: Include varray.h.
8302         (tree_versionable_function_p,  tree_function_versioning,
8303         tree copy_decl_for_dup): New declarations.
8304
8305 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8306
8307         * ipa-cp.c: New file. Contains IPCP specific functionality.
8308         * ipa-prop.h: New file. Contains structures/definitions that can be
8309         used by several interprocedural data flow optimizations (and also IPCP).
8310         * ipa-prop.c: New file.
8311         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8312         * common.opt: Add ipa-cp flag.
8313         * timevar.def: Add IPCP optimization.
8314         * tree-optimize.c (init_tree_optimization_passes): Schedule
8315         pass_ipa_cp.
8316         * tree-pass.h (pass_ipa_cp): Declare.
8317
8318 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8319
8320         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8321         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8322         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8323         config/i386/i386.c, config/mips/mips.h,
8324         config/rs6000/rs6000.h, config/sh/sh.c,
8325         config/stormy16/stormy16.c: Fix comment typos.
8326
8327 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8328
8329         PR c/22311
8330         * c-typeck.c (build_binary_op): Use common_type wrapper on
8331         shortened types.
8332         (common_type): Update comment.
8333
8334 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8335
8336         PR target/23095
8337         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8338         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8339         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8340
8341 2005-07-31  Jan Hubicka  <jh@suse.cz>
8342
8343         * pretty-print.h (pp_widest_integer): New macro.
8344         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8345         counts.
8346
8347 2005-07-31  Jan Hubicka  <jh@suse.cz>
8348
8349         * output.h (enum section_category): Export from varasm.c
8350         (categorize_decl_for_section): Likewise.
8351         * varasm.c (enum section_category): Kill.
8352         (categorize_decl_for_section): Make global.
8353         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8354         Declare.
8355         * i386.c (ix86_section_threshold): New static variable.
8356         (ix86_in_large_data_p, ix86_encode_section_info,
8357         x86_64_elf_unique_section,
8358         x86_64_elf_select_section): New functions.
8359         (TARGET_ENCODE_SECTION_INFO): Define
8360         (override_options): Enable medium model for PIC.
8361         (ix86_expand_prologue): Expand gen_set_got_rex64.
8362         (legitimate_constant_p): Handle new UNSPECs.
8363         (legitimate_pic_address_disp_p): Likewise.
8364         (legitimize_pic_address): Lower MEDIUM model addressing.
8365         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8366         (enum cmodel): Add MEDIUM_PIC.
8367         (SYMBOL_REF_FAR_ADDR_P): New macro.
8368         (SYMBOL_FLAG_FAR_ADDR): New flag.
8369         * i386.md (movdi): Support medium model.
8370         (set_got_rex64): New pattern.
8371         * i386.opt (mlarge-data-threshold): New flag.
8372         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8373         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8374         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8375         TARGET_ASM_UNIQUE_SECTION): New.
8376
8377         * invoke.texi (-mlarge_data_threshold): Document
8378
8379 2005-07-31  Jan Hubicka  <jh@suse.cz>
8380
8381         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8382         (coalesce_vars): Likewise.
8383         * tree-ssa-live.c (coalesce_cost): New.
8384         (build_tree_conflict_graph): Use coalesce_cost.
8385         * tree-ssa-live.h (coalesce_cost): Declare.
8386
8387 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8388
8389         * arm.md (all peepholes for post-increment operations): Delete.
8390         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8391         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8392         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8393         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8394         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8395
8396 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8397
8398         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8399         non-integral types.
8400
8401 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8402
8403         PR target/22582
8404         * doc/invoke.texi: Document -rdynamic.
8405
8406 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8407
8408         PR c/23143
8409         * c-parser.c (c_parser_parms_list_declarator): Call
8410         mark_forward_parm_decls.
8411         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8412         decls with visibility structure.
8413
8414 2005-07-30  Paul Brook  <paul@codesourcery.com>
8415
8416         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8417
8418 2005-07-30  Paul Brook  <paul@codesourcery.com>
8419
8420         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8421         prototype.
8422         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8423         value for mode.
8424         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8425
8426 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8427
8428         PR c/529
8429         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8430         nested function declarators.
8431         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8432         (grokparms): Call warn_if_shadowing for parameters used within the
8433         parameter list.
8434         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8435         not used within the parameter list.
8436         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8437
8438 2005-07-30  Jan Hubicka  <jh@suse.cz>
8439
8440         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8441         * i386.c (ix86_fixup_binary_operands): Likewise.
8442         (ix86_expand_unary_operator): Likewise.
8443         (ix86_expand_fp_absneg_operator): Likewise.
8444         * optabs.c (expand_vec_cond_expr): Validate dest.
8445
8446 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8447
8448         PR c/21720
8449         * real.c (real_from_string): Also set last bit if there is a
8450         nonzero hex digit beyond GCC's internal precision after ".".
8451
8452 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8453
8454         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8455         define_constants.  Change duplicate values to unassigned numbers.
8456         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8457         (*altivec_vspltsf): New.
8458         (altivec_vperm_v4sf): Delete.
8459         (altivec_vperm_<mode>): Use mode macro V.
8460         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8461         (altivec_predicate_v4sf): Delete.
8462         (altivec_predicate_<mode>): Use mode macro V.
8463         (*altivec_lvesfx): New.
8464         (*altivec_stvesfx): New.
8465         (vec_realign_load_v4sf): Delete.
8466         (vec_realign_load_<mode>): Use mode macro V.
8467         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8468         UNSPECV_SET_VRSAVE.
8469
8470 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8471
8472         PR bootstrap/23131
8473         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8474         string.
8475         * configure: Regenerated.
8476
8477 2005-07-29  Paul Brook  <paul@codesourcery.com>
8478
8479         * doc/install.texi: Add link to GFortran binaries wiki page.
8480
8481 2005-07-29  David Ung  <davidu@mips.com>
8482
8483         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8484         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8485         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8486         * config/mips/mips.md (cpu): Add 5kf name.
8487         (includes): Includes 5k.md.
8488         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8489         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8490         -march flag.
8491
8492 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8493
8494         PR 22550
8495         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8496         (cleanup_tree_cfg): ... here.
8497         Call cleanup_tree_cfg_1 until there are no more cleanups to
8498         do.
8499
8500 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8501
8502         * tree-vrp.c (compare_range_with_value): Return true or false
8503         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8504         EQ_EXPR respectively.
8505
8506 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8507
8508         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8509         Fix comment typos.
8510
8511 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8512
8513         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8514         (tree_ssa_dominator_optimize): Increment it.
8515         (dump_dominator_optimization_stats): Print it.
8516
8517 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8518             Steven Bosscher  <stevenb@suse.de>
8519
8520         PR rtl-optimization/23117
8521         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8522         when head == tail.  Tidy comment.
8523
8524 2005-07-28  Richard Henderson  <rth@redhat.com>
8525
8526         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8527         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8528         * jump.c (rtx_renumbered_equal_p): Likewise.
8529         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8530         CONST_INT and CONST_DOUBLE.
8531         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8532         * reload.c (operands_match_p): Special case CONST_INT and
8533         CONST_DOUBLE; check mode earlier.
8534
8535 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8536
8537         PR c/22240
8538         * c-typeck.c (convert_for_assignment): Do not check
8539         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8540
8541 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8542
8543         PR c/22192
8544         * c-typeck.c (composite_type): Prefer constant size arrays to
8545         VLAs.
8546
8547 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8548
8549         PR c/21720
8550         * real.c (real_from_string): Set last bit if there is a nonzero
8551         hex digit beyond GCC's internal precision.
8552
8553 2005-07-28  Richard Henderson  <rth@redhat.com>
8554
8555         PR rtl-opt/22619
8556         * cfgcleanup.c (try_forward_edges): Watch out for end of
8557         insn chain.
8558
8559 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8560
8561         PR c/23106
8562         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8563
8564 2005-07-28  Jan Hubicka  <jh@suse.cz>
8565
8566         * Makefile.in (rtl-profile.o): Kill all traces of it.
8567         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8568         * coverage.h (rtl_coverage_counter_ref): Kill.
8569         * opts.c (flag_speculative_prefetching_set): Kill.
8570         (flag_loop_optimize_set): New.
8571         (common_handle_option): Disable loop optimizer when profiling;
8572         do not handle speculative prefetching.
8573         * passes.c (init_optimization_passes): Replace pass_profiling combo
8574         by branch_prob pass.
8575         * profile.c (compute_value_histograms): Update for simplified value
8576         profiles.
8577         (rtl_register_profile_hooks): Kill.
8578         (pass_profiling): Kill.
8579         (rest_of_handle_branch_prob): Do not profile.
8580         * toplev.c (process_options): Remove speculative prefetching.
8581         * toplev.h (flag_tree_based_profiling): Kill.
8582         * tree-profile.c (prepare_instrumented_value,
8583         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8584         tree_gen_one_value_profiler, do_tree_profiling): Update for
8585         simplified datastructures.
8586         * value-prof.c: Add comment that speculative prefetching was dropped;
8587         update rest of file for simplified datastructures.
8588         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8589         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8590         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8591         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8592         rtl_mod_subtract, gen_speculative_prefetch,
8593         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8594         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8595         (gate_handle_value_profile_transformations,
8596         rest_of_handle_value_profile_transformations,
8597         pass_value_profile_transformations): Kill.
8598         * value-prof.h (histogram_value_t): Remove IL based unions.
8599         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8600         rtl_profile_hooks): Remove hooks.
8601
8602         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8603
8604         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8605         (cgraph_clone_node): Likewise.
8606         * cgraph.h (cgraph_clone_edge): Update prototype.
8607         (cgraph_clone_node): Likewise.
8608         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8609         cgraph_clone_node.
8610         (lookup_recursive_calls): Consider profile.
8611         (cgraph_decide_recursive_inlining): Fix updating; use new
8612         probability argument; use profile.
8613         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8614         * tree-inline.c (copy_bb): Update clal of clone_edge.
8615         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8616
8617         * invoke.texi (min-inline-recursive-probability): Document.
8618
8619 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8620
8621         * doc/install.texi (Configuration): Update Valgrind homepage.
8622
8623 2005-07-28  Richard Henderson  <rth@redhat.com>
8624
8625         PR middle-end/21362
8626         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8627         labels we want to delete.
8628         (cfg_layout_merge_blocks): Likewise.
8629
8630 2005-07-28  Richard Henderson  <rth@redhat.com>
8631
8632         PR target/17692
8633         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8634         when expanding to nothing.
8635
8636 2005-07-28  Josh Conner  <jconner@apple.com>
8637
8638         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8639         (cgraph_decide_inlining_of_small_functions): Likewise.
8640
8641 2005-07-28  Josh Conner  <jconner@apple.com>
8642
8643         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8644         direction of badness if negative.
8645         (cgraph_default_inline_p): Add reason to parameters, and assign it
8646         a value.
8647         (cgraph_decide_inlining_of_small_functions): New parameter in call
8648         to cgraph_default_inline_p.
8649         (cgraph_decide_inlining_incrementally): Likewise.
8650         * cgraphunit.c (decide_is_function_needed): Likewise.
8651         * cgraph.h (cgraph_default_inline_p): Likewise.
8652
8653 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8654
8655         * builtins.c: Fix comment typo(s).
8656         * genautomata.c: Likewise.
8657         * gimplify.c: Likewise.
8658         * tree-dfa.c: Likewise.
8659         * tree-flow-inline.h: Likewise.
8660         * tree-into-ssa.c: Likewise.
8661         * tree-ssa-alias.c: Likewise.
8662         * tree-ssa-ccp.c: Likewise.
8663         * tree-ssa-copy.c: Likewise.
8664         * tree-ssa-dce.c: Likewise.
8665         * tree-ssa-dom.c: Likewise.
8666         * tree-ssa-operands.c: Likewise.
8667         * tree-tailcall.c: Likewise.
8668         * tree-vectorizer.c: Likewise.
8669         * tree-vrp.c: Likewise.
8670         * tree.c: Likewise.
8671
8672 2005-07-28  Jeff Law  <law@redhat.com>
8673
8674         * tree-vrp.c (test_for_singularity): Extracted from  ...
8675         (simplify_cond_using_ranges): Attempt to simplify a relational
8676         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8677
8678 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8679
8680         PR tree-optimization/22506
8681         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8682         phis whose argument is constant.
8683
8684 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8685
8686         PR rtl-optimization/18992
8687         Back out this patch:
8688           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8689           PR optimization/12142
8690           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8691           uses of the register in the SET_SRC.  Remove unnecessary argument.
8692
8693         Replace it with this:
8694         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8695         if flag_non_call_exceptions is set and the insn may trap, pass
8696         pc_rtx as dest for recursion.
8697         In SET_SRC part of SET case, if dest is already set, pass it down
8698         unchanged.
8699
8700 2005-07-28  Jan Hubicka  <jh@suse.cz>
8701
8702         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8703         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8704         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8705         roundoff errors.
8706         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8707         profile when available.
8708
8709 2005-07-28  Jan Beulich <jbeulich@novell.com>
8710
8711         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8712         (ia64_print_operand): Describe and handle 'X'.
8713         (ia64_register_move_cost): Also handle FP_REGS.
8714         (ia64_preferred_reload_class): Likewise.
8715         (ia64_secondary_reload_class): Likewise.
8716         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8717         it. Also check for ITANIUM_CLASS_FLDP.
8718         * config/ia64/ia64.h (FP_REGNO_P): New.
8719         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8720         (reg_class): Add FP_REGS.
8721         (REG_CLASS_NAMES): Adjust for it.
8722         (REG_CLASS_CONTENTS): Likewise.
8723         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8724         (REG_CLASS_FROM_LETTER): Handle 'x'.
8725         (CLASS_MAX_NREGS): Handle FP_REGS.
8726         (MEMORY_MOVE_COST): Likewise.
8727         * config/ia64/ia64.md (itanium_class): Add fldp.
8728         (type): Handle fldp.
8729         (movti_internal): More allowable operand combinations. Use ldfp8 when
8730         splitting unnecessary. Remove predicable attribute. Adjust
8731         itanium_class attribute.
8732         (smuldi3_highpart): Remove outdated comment.
8733         (mulditi3, umulditi3, rotlti3): New expanders.
8734         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8735         (absti2): Disabled new insn for future reference.
8736         Respective new splitters.
8737         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8738         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8739         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8740
8741 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8742
8743         PR rtl-optimization/23047
8744         * simplify-rtx.c (simplify_const_relational_operation): Respect
8745         flag_wrapv for comparisons with ABS.
8746
8747 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8748
8749         PR tree-optimization/22493
8750         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8751         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8752
8753 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8754
8755         * config/frv/frv.opt (moptimize-membar): New.
8756
8757         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8758
8759         * config/frv/frv.h: Remove machine_function definition.
8760
8761         * config/frv/frv.c (struct frv_io): New.
8762         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8763         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8764         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8765         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8766         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8767         (frv_reorg): Call frv_optimize_membar when appropriate.
8768         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8769         (frv_expand_builtin): Adjust calls accordingly.
8770         (frv_io_address_cookie): New function.
8771         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8772         load or store rather than a special insn.  Add ccnstant address and
8773         io-type operands to the membar.
8774         (frv_ifcvt_modify_tests): Unsign regno.
8775         (frv_ifcvt_modify_tests): Same.
8776
8777         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8778         UNSPEC_OPTIONAL_MEMBAR constant.
8779         (builtin_read_<mode>): Delete.
8780         (builtin_write_<mode>): Delete.
8781         ("optional_membar_<mode>"): Add operand.
8782
8783         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8784         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8785         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8786         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8787         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8788         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8789         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8790         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8791         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8792
8793 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8794
8795         * df.c (df_uses_record): Handle SCRATCH.
8796
8797 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8798
8799         PR debug/20161
8800         * passes.c (rest_of_decl_compilation): If decl is a type and
8801         we have encountered errors, don't emit debug information.
8802
8803 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8804
8805         * params.def: Fixed comment.
8806
8807 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8808
8809         PR target/19885
8810         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8811         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8812         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8813
8814 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8815
8816         PR c++/22003
8817         * varasm.c (assemble_start_function): Don't do anything that may
8818         require a CFG if the current function is a thunk.
8819
8820 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8821
8822         * doc/install.texi (Prerequisites): Mention that perl is needed
8823         to do export control in libstdc++ targetting Darwin.
8824
8825 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8826
8827         PR rtl-optimization/17808
8828         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8829         (sched_insns_conditions_mutex_p): Split out from...
8830         (add_dependence): ...here.  But don't call it from here.
8831         (add_dependence_list): Check sched_insns_conditions_mutex_p
8832         before calling add_dependence.
8833         (add_dependence_list_and_free): Likewise.
8834         (fixup_sched_groups): Likewise.
8835         (sched_analyze_1): Likewise.
8836         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8837         (sched_analyze): Likewise.
8838         (sched_analyze_insn): Likewise.
8839         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8840         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8841         dependencies on all COND_EXEC insns to jumps ending basic blocks
8842         when doing intrablock scheduling.
8843         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8844
8845 2005-07-27  Jeff Law  <law@redhat.com>
8846
8847         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8848         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8849         equivalency sets, correctly handle the case were vr0 has an
8850         equivalency set, but vr1 does not.
8851
8852 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8853
8854         PR tree-optimization/23073
8855         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8856         vect_print_dump_info before fprintf.
8857
8858 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8859
8860         PR tree-optimize/22348
8861         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8862         Fold the partial computation.
8863
8864 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8865
8866         PR tree-optimization/22325
8867         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8868         Declare.
8869         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8870         value replacement.
8871         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8872         (force_var_cost): ... this function.
8873         (compute_phi_arg_on_exit): Export.
8874
8875 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8876
8877         PR tree-optimization/20773
8878         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8879         edge.
8880
8881 2005-07-27  Richard Guenther  <rguenther@suse.de>
8882
8883         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8884         Avoid pushing again if current struct contains only
8885         fields we decomposed.
8886
8887 2005-07-27  Jan Hubicka  <jh@suse.cz>
8888
8889         PR tree-optimization/22574
8890         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8891         not available.
8892
8893         * tree-tailcall.c (decrease_profile): New function.
8894         (eliminate_tail_call): Use it.
8895
8896         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8897         visibility flags correctly in whole program mode.
8898
8899 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8900
8901         PR rtl-optimization/22472
8902         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8903
8904 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8905
8906         PR tree-optimization/22504
8907         * tree-complex.c (expand_complex_addition): Use 'code' instead
8908         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8909
8910 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8911
8912         * config.gcc (cpu_type): Add frv case.
8913         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8914         (supported_defaults): Add fr550 case.
8915
8916 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8917
8918         PR 22591
8919         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8920         whether a pointer of type T * may point to objects of type T *.
8921
8922 2005-07-26  DJ Delorie  <dj@redhat.com>
8923
8924         * configure: Regenerate.
8925
8926 2005-07-26  Dale Johannesen  <dalej@apple.com>
8927
8928         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8929
8930 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8931
8932         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8933         Clarify use of "build" in name.
8934
8935 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8936
8937         * doc/extend.texi (Raw read/write Functions): New section.
8938         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8939         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8940         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8941         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8942         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8943         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8944         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8945         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8946         * config/frv/frv.c: Add bdesc_loads global.
8947         Add bdesc_stores global.
8948         (frv_init_builtins): Add support for __builtin_{read/write}*.
8949         (frv_volatile_memref): New.
8950         (frv_expand_load_builtin): New.
8951         (frv_expand_store_builtin): New.
8952         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8953         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8954         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8955         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8956         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8957         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8958         (builtin_read_<mode>): New.
8959         (builtin_write_<mode>): New.
8960         (builtin_write64): New.
8961         (optional_membar_<mode>): New.
8962
8963 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8964
8965         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8966         (rather than units) against HOST_BITS_PER_WIDE_INT.
8967
8968 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8969
8970         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8971         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8972         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8973         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8974         FSF address.
8975
8976         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8977         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8978         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8979         comment typos.
8980         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8981
8982 2005-07-26  Richard Guenther  <rguenther@suse.de>
8983
8984         PR tree-optimization/22486
8985         * fold-const.c (fold_unary): Fold away useless component
8986         references of the form (T *)&T.x, if the address
8987         doesn't change.
8988
8989 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8990
8991         * dwarf2out.c (add_call_src_coords_attributes): New.
8992         (gen_inlined_subroutine_die): Call it.
8993         (maybe_emit_file, init_file_table): Add comments.
8994         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8995         maybe_emit_file.
8996         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8997         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8998         * tree.h (BLOCK_SOURCE_LOCATION): New.
8999         (struct tree_block): New field locus.
9000
9001 2005-07-26  Andreas Schwab  <schwab@suse.de>
9002
9003         PR rtl-optimization/23043
9004         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9005         when allocating a struct unoccr.
9006
9007 2005-07-25  Richard Henderson  <rth@redhat.com>
9008
9009         PR 22626
9010         * tree-complex.c (gate_no_optimization): True if errors.
9011         * Makefile.in (tree-complex.o): Update dependencies.
9012
9013 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9014
9015         * config/frv/predicates.md (integer_register_operand): Use
9016         GPR_AP_OR_PSEUDO_P.
9017
9018 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9019
9020         PR tree-opt/22484
9021         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9022         after fold.
9023         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9024
9025 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9026
9027         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9028         types when flag_unsafe_math_optimizations is true.
9029
9030 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9031
9032         * gcc.c (option_map): Add --sysroot.
9033         (process_command): Handle --sysroot.
9034         (display_help): Document it.
9035         * doc/cppopts.tex (-isysroot): Document.
9036         * doc/invoke.texi (--sysroot): Document.
9037         * doc/install.texi (--with-build-sysroot): Document.
9038
9039         * Makefile.in (inhibit_libc): New variable.
9040         (INHIBIT_LIBC_CFLAGS): Likewise.
9041         (LIBGCC2_CFLAGS): Include
9042         $(INHIBIT_LIBC_CFLAGS).
9043         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9044         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9045         ($(T)crtend.o): Likewise.
9046         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9047         ($(T)crtendS.o): Likewise.
9048         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9049         ($(T)crtendT.o): Likewise.
9050         (stmp-fixinc): Do not complain about missing headers if
9051         inhibit_libc.
9052         * configure.ac (inhibit_libc): Set it to true/false.
9053         (--with-build-sysroot): New option.  Use it to set
9054         SYSTEM_HEADER_DIR.
9055         * configure: Regenerated.
9056
9057 2005-07-25  Manfred Hollstein  <mh@suse.com>
9058
9059         * calls.c (store_one_arg): Fix unsigned comparison warning.
9060
9061 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9062
9063         PR other/22337
9064         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9065         (ggc_print_statistics): Initialize variable before use.
9066
9067 2005-07-25  Richard Guenther  <rguenther@suse.de>
9068
9069         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9070         calling with a PHI_NODE argument.
9071
9072         * tree-flow-inline.h (overlap_subvar): Protect against
9073         possible overflow.
9074
9075 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9076
9077         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9078         * configure: Regenerate.
9079
9080 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9081
9082         * expr.c (highest_pow2_factor): Make extern.
9083         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9084         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9085         record_array_differ_p, array_ptr_differ_p): Likewise.
9086         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9087         additional cases. Call the above functions.
9088         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9089         base_object_differ_p when there are two base objects. Otherwise, compare
9090         base address and offset. Call may_alias_p.
9091         (dump_data_reference): Use a correct field name.
9092         (analyze_array): Make static. Initialize new data-ref fields.
9093         (analyze_indirect_ref): New function.
9094         (init_data_ref): Initialize new data-ref fields.
9095         (strip_conversion): Moved from tree-vect-analyze.c.
9096         (analyze_offset_expr, get_ptr_offset, address_analysis,
9097         object_analysis): Likewise.
9098         (analyze_offset): New function.
9099         (create_data_ref): Likewise.
9100         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9101         dimensions for ARRAY_REFs only.
9102         (build_classic_dist_vector): Make static.
9103         (access_functions_are_affine_or_constant_p): Call macro to get the
9104         address of access functions.
9105         (compute_all_dependences): Add new parameter
9106         compute_self_and_read_read_dependences. Compute self and read-read
9107         dependences if it is true.
9108         (find_data_references_in_loop): Call create_data_ref. Initialize new
9109         data-ref fields.
9110         (compute_data_dependences_for_loop): Add new parameter
9111         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9112         compute nb_loops. Call compute_all_dependences,
9113         build_classic_dist_vector and build_classic_dir_vector with correct
9114         parameters.
9115         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9116         with correct parameters. Compare dimensions for ARRAY_REFs only.
9117         (free_data_refs): Call macro to free access functions.
9118         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9119         fields from stmt_vinfo.
9120         (struct base_object_info): New structure.
9121         (struct data_reference): Move fields to base_object_info. Add fields
9122         first_location and object_info for above structures. Move fields from
9123         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9124         aligned_to.  Add macros to access the new fields.
9125         Update functions declarations.
9126         * tree-flow.h (is_aliased_with): Declare.
9127         * tree-loop-linear.c (linear_transform_loops): Call
9128         compute_data_dependences_for_loop with correct parameters.
9129         * tree-ssa-alias.c (is_aliased_with): New function.
9130         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9131         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9132         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9133         vect_base_addr_differ_p, compute_subscript_distance and
9134         build_classic_dist_vector. Add printings. Check absolute value of
9135         distance.
9136         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9137         data-refs.
9138         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9139         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9140         to bytes. Add printing.
9141         (vect_compute_data_refs_alignment): Go through loads and stores in one
9142         loop.
9143         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9144         vect_analyze_data_ref_access): Likewise.
9145         (vect_analyze_pointer_ref_access): Remove.
9146         (vect_address_analysis, vect_object_analysis): Likewise.
9147         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9148         and analyze data-refs in the loop.
9149         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9150         fields of data-ref instead of stmt. Add init to the offset from the
9151         base.
9152         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9153         (vect_update_init_of_dr): Likewise.
9154         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9155         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9156         removed fields.
9157         (new_loop_vec_info): Initialize new fields.
9158         (destroy_loop_vec_info): Free new fields.
9159         (vect_strip_conversion): Remove.
9160         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9161         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9162         datarefs. Add new field ddrs.
9163         Add macros for the new fields access.
9164         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9165         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9166         Remove their macros.
9167         * tree.h (highest_pow2_factor): Declare.
9168
9169 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9170
9171         * calls.c (store_one_arg): Check for sibling call MEM arguments
9172         from already clobbered incoming argument area.
9173
9174 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9175
9176         * c-common.c (check_missing_format_attribute): New.
9177         * c-common.h (check_missing_format_attribute): Likewise.
9178         * c-typeck.c (convert_for_assignment): Use it.
9179
9180 2005-07-24  Andreas Schwab  <schwab@suse.de>
9181
9182         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9183         register use a word move.  Correct operand of ext.w in 68000 code.
9184
9185 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9186
9187         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9188         variables as declarations, rather than definitions.
9189
9190 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9191
9192         PR tree-optimization/22526
9193         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9194         of the zero node.
9195
9196 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9197
9198         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9199         that C99 reserve for future use. Use it to define clog10,
9200         clog10f and clog10l.
9201
9202 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9203
9204         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9205         * configure.ac: Check for -Wmissing-format-attribute.
9206
9207         * configure: Regenerate.
9208
9209 2005-07-23  Richard Henderson  <rth@redhat.com>
9210
9211         PR tree-optimization/22623
9212         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9213
9214 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9215
9216         PR target/22577
9217         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9218
9219 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9220
9221         * Makefile.in (C_TREE_H): Update dependencies.
9222         * c-tree.h: Include toplev.h.
9223         * diagnostic.h (diagnostic_set_info): Add format attribute.
9224         * rtl-error.c (diagnostic_for_asm): Likewise.
9225
9226 2005-07-23  Chao-ying Fu  <fu@mips.com>
9227
9228         * config/mips/mips-dsp.md: New file.
9229         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9230         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9231         functions.
9232         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9233         MIPS_BUILTIN_BPOSGE32.
9234         (mips_expand_builtin_direct): Add one parameter to indicate that
9235         builtin functions need to return a value.
9236         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9237         functions.
9238         (mips_regno_to_class): Add classes for 12 new DSP registers.
9239         (mips_subword): Change to check four HI registers.
9240         (mips_output_move): Output move to and from 6 new DSP accumulators.
9241         (override_options): Make sure -mdsp and -mips16 are not used together.
9242         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9243         for machine modes.
9244         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9245         when !TARGET_DSP.
9246         (print_operand): Add 'q' for printing DSP accumulators.
9247         (mips_cannot_change_mode_class): Check ACC_REGS.
9248         (mips_secondary_reload_class): Check ACC_REGS.
9249         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9250         (mips_register_move_cost): Check ACC_REGS.
9251         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9252         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9253         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9254         (dsp_bdesc): New array.
9255         (bdesc_arrays): Add DSP builtin function table.
9256         (mips_prepare_builtin_arg): Check predicate again after
9257         copy_to_mode_reg.
9258         (mips_expand_builtin): Add one more parameter to
9259         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9260         MIPS_BUILTIN_BPOSGE32.
9261         (mips_init_builtins): Initialize new function types.
9262         (mips_expand_builtin_direct): Check if builtin functions need to
9263         return a value and pass operands properly.
9264         (mips_expand_builtin_bposge): New function.
9265         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9266         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9267         (FIRST_PSEUDO_REGISTER): Increase to 188.
9268         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9269         Update for 12 new DSP registers.
9270         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9271         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9272         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9273         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9274         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9275         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9276         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9277         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9278         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9279         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9280         (REGISTER_NAMES): Add names for 12 new DSP registers.
9281         * config/mips/mips.md: Include mips-dsp.md.
9282         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9283         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9284         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9285         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9286         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9287         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9288         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9289         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9290         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9291         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9292         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9293         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9294         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9295         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9296         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9297         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9298         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9299         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9300         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9301         (UNSPEC_RDDSP): New constants.
9302         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9303         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9304         A<-d alternative.
9305         * config/mips/mips.opt (-mdsp): New option.
9306         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9307         (reg_imm10_operand): New predicates.
9308         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9309         * doc/invoke.texi (-mdsp): Document new option.
9310
9311 2005-07-22  DJ Delorie  <dj@redhat.com>
9312
9313         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9314         to warning calls.
9315         * tree-inline.c (inlinable_function_p): Likewise.
9316
9317 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9318
9319         PR debug/21828
9320         * toplev.c (check_global_declarations): Do not mark undefined
9321         variables as DECL_IGNORED_P.
9322         * varasm.c (first_global_object_name): GTY it.
9323         (weak_global_object_name): Likewise.
9324         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9325         a string to go into {weak,first}_global_object_name.
9326
9327 2005-07-22  DJ Delorie  <dj@redhat.com>
9328
9329         * c-format.c (check_function_format): Change warning control
9330         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9331
9332 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9333
9334         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9335         &PTR->FLD a dereference of PTR.
9336         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9337         a potential dereference of PTR.
9338
9339 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9340
9341         PR rtl-optimization/20370
9342         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9343         call allocate_reg_info if necessary.
9344
9345         PR rtl-optimization/21848
9346         * calls.c (emit_library_call_value_1): For const functions, add
9347         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9348
9349         PR rtl-optimization/22445
9350         * cselib.c (target.h): Include.
9351         (rtx_equal_for_cselib_p): Allow commutative matches.
9352         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9353         Remove MODE parameter.  Changed all callers.
9354
9355         PR rtl-optimization/22258
9356         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9357         New functions.
9358         (try_combine): Use likely_spilled_retval_p.
9359
9360 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9361
9362         * config.gcc: Add crx-elf support.
9363
9364         * doc/contrib.texi: Mention crx.
9365         * doc/extend.texi: Document crx extensions.
9366         * doc/install.texi: Document crx install.
9367         * doc/invoke.texi: Document crx options.
9368         * doc/md.texi: Document crx constraints.
9369
9370         * config/crx/crx-protos.h: New file.
9371         * config/crx/crx.c: New file.
9372         * config/crx/crx.h: New file.
9373         * config/crx/crx.md: New file.
9374         * config/crx/crx.opt: New file.
9375         * config/crx/t-crx: New file.
9376
9377 2005-07-22  Manfred Hollstein  <mh@suse.com>
9378
9379         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9380         warnings.
9381         (int_add_graph_edge): Likewise.
9382         (collapse_nodes): Likewise.
9383         (process_unification_queue): Likewise.
9384
9385 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9386             Laurent GUERBY  <laurent@guerby.net>
9387
9388         PR tree-optimization/22336
9389         * function.c (record_block_change): Check for
9390         cfun->ib_boundaries_block.
9391
9392 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9393
9394         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9395         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9396
9397 2005-07-21  DJ Delorie  <dj@redhat.com>
9398
9399         * toplev.c (warn_deprecated_use): Add warning control to warning
9400         call.
9401         * c-typeck.c (parser_build_binary_op): Likewise.
9402         (c_finish_if_stmt): Likewise.
9403         * c-common.c (check_function_sentinel): Likewise.
9404         (check_nonnull_arg): Likewise.
9405
9406 2005-07-21  Richard Henderson  <rth@redhat.com>
9407
9408         PR tree-opt/22504
9409         * tree-complex.c (complex_ssa_name_components): New.
9410         (cvc_lookup): Allow entry not found.
9411         (create_components): Remove.
9412         (create_one_component_var, get_component_var): New.
9413         (get_component_ssa_name, set_component_ssa_name): New.
9414         (extract_component): Use get_component_ssa_name.
9415         (update_complex_components): Use set_component_ssa_name.
9416         (update_complex_components_on_edge): Likewise.
9417         (update_phi_components): Create new PHI nodes directly, instead
9418         of adding insns to edges.
9419         (tree_lower_complex): Allocate and free complex_variable_components
9420         and complex_ssa_name_components here.
9421
9422 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9423
9424         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9425         revert to returning false.
9426
9427 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9428
9429         PR target/21149
9430         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9431
9432 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9433
9434         PR target/22576
9435         * config/i386/i386.md (cmpxf): Change operand constraints
9436         to "nonmemory_operand".
9437
9438 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9439
9440         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9441
9442 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9443
9444         PR middle-end/21180
9445         * fold-const.c (fold_build1): Add checksum for the operands.
9446         (fold_build2): Likewise.
9447         (fold_build3): Likewise.
9448
9449 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9450
9451         PR middle-end/19055
9452         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9453
9454 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9455
9456         * common.opt (-fforward-propagate): Committed by mistake,
9457         removed.
9458
9459 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9460
9461         * reg-stack.c: Fix comment typo(s).
9462         * tree-ssa-operands.c: Likewise.
9463         * tree-vectorizer: Likewise.
9464
9465 2005-07-21  Nick Clifton  <nickc@redhat.com>
9466
9467         * config/sh/symbian.c: Replace C++ style line comments with C
9468         style line comments.
9469         (symbian_add_attribute): Do not use a ? operator on the LHS of
9470         an assignment.
9471         (sh_symbian_handle_dll_attribute): Change the type of the
9472         method vector to "VEC(tree,gc)*" and use vector accessor
9473         macros to walk over the elements.
9474         (symbian_export_vtable_and_rtti_p): Likewise.
9475         (symbian_class_needs_attribute_p): Likewise.
9476
9477 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9478
9479         PR target/22085
9480         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9481         initialize targetm.resolve_overloaded_builtin here.
9482         (altivec_expand_overloaded_builtin): Make it non-static.
9483         * config/rs6000/rs6000-protos.h
9484         (altivec_expand_overloaded_builtin): New prototype.
9485         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9486         targetm.resolve_overloaded_builtin here.
9487         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9488
9489 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9490             Zdenek Dvorak  <dvorakz@suse.cz>
9491
9492         PR tree-optimization/19210
9493         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9494         New.
9495         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9496         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9497         rely on unproven assumptions.
9498         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9499         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9500         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9501         to number_of_iterations_exit.
9502         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9503         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9504         * tree-ssa-loop-niter.c (find_loop_niter,
9505         estimate_numbers_of_iterations_loop): Likewise.
9506         (number_of_iterations_exit): Honor the new options.
9507         * doc/invoke.texi (Wunsafe-loop-optimizations,
9508         funsafe-loop-optimizations): Document them.
9509
9510 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9511
9512         PR rtl-optimization/22167
9513         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9514
9515 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9516
9517         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9518         __do_global_dtors_aux longcall.
9519
9520 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9521
9522         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9523         (old_special_pred_table): Don't reference
9524         SPECIAL_MODE_PREDICATES.
9525         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9526         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9527         * config/sh/predicates.h: Don't mention
9528         SPECIAL_MODE_PREDICATES.
9529         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9530         Remove.
9531
9532 2005-07-20  DJ Delorie  <dj@redhat.com>
9533
9534         * config.gcc: Add m32c-elf support.
9535
9536         * doc/contrib.texi: Mention m32c.
9537         * doc/extend.texi: Document m32c extensions.
9538         * doc/install.texi: Mention m32c.
9539         * doc/invoke.texi: Document m32c options.
9540         * doc/md.texi: Document m32c constraints.
9541
9542         * config/m32c/addsub.md: New file.
9543         * config/m32c/bitops.md: New file.
9544         * config/m32c/cond.md: New file.
9545         * config/m32c/jump.md: New file.
9546         * config/m32c/m32c-lib1.S: New file.
9547         * config/m32c/m32c-lib2.c: New file.
9548         * config/m32c/m32c-modes.def: New file.
9549         * config/m32c/m32c-pragma.c: New file.
9550         * config/m32c/m32c-protos.h: New file.
9551         * config/m32c/m32c.abi: New file.
9552         * config/m32c/m32c.c: New file.
9553         * config/m32c/m32c.h: New file.
9554         * config/m32c/m32c.md: New file.
9555         * config/m32c/m32c.opt: New file.
9556         * config/m32c/minmax.md: New file.
9557         * config/m32c/mov.md: New file.
9558         * config/m32c/muldiv.md: New file.
9559         * config/m32c/predicates.md: New file.
9560         * config/m32c/prologue.md: New file.
9561         * config/m32c/shift.md: New file.
9562         * config/m32c/t-m32c: New file.
9563
9564 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9565
9566         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9567         (stack_protect_set, stack_protect_test): New expanders.
9568         (stack_protect_set_si, stack_protect_set_si_media,
9569         stack_protect_set_di_media, stack_protect_test_si,
9570         stack_protect_test_si_media, stack_protect_test_di_media):
9571         New insns.
9572
9573 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9574
9575         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9576
9577 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9578
9579         * tree.h (tree_expr_nonzero_p): Export.
9580         * fold-const.c (tree_expr_nonzero_p): Likewise.
9581         Return true for CALL_EXPRs that are alloca calls.
9582         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9583         against zero.
9584         * tree-flow.h (expr_computes_nonzero): Remove.
9585         * tree-vrp.c (expr_computes_nonzero): Remove.
9586         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9587         (extract_range_from_unary_expr): Likewise.
9588         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9589         tree_expr_nonzero_p.
9590
9591 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9592
9593         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9594         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9595         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9596         All callers changed.
9597         (frame_related_constant_load): New arg "related" which controls
9598         setting of RTX_FRAME_RELATED_P.  All callers changed.
9599         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9600         (bfin_expand_prologue): Add stack limit checking.
9601         * config/bfin/bfin.md (trapifcc): New pattern.
9602
9603         * config/bfin/bfin.c: Include "langhooks.h".
9604         (def_builtin): Go through lang_hooks to call builtin_function.
9605
9606         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9607         * config/bfin/predicates.md (symbol_ref_operand): New.
9608         (call_insn_operand): Delete.  All callers changed to use
9609         register_no_elim_operand.
9610         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9611         call_cookie field.
9612         (function_arg): Use it to generate the call's operand 2.
9613         (bfin_longcall_p): New function.
9614         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9615         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9616         determine if the address needs to be in a REG.
9617         (bfin_handle_longcall_attribute): New function.
9618         (bfin_attribute_table): Add "longcall" and "shortcall".
9619         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9620         (CUMULATIVE_ARGS): New member call_cookie.
9621         (PREDICATE_CODES): Add symbol_ref_operand.
9622         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9623         extra USE to the pattern.
9624         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9625         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9626         sibcall_value_insn; now the new patterns handle direct calls and the
9627         old ones indirect calls.
9628         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9629
9630 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9631
9632         * doc/trouble.texi: Update section on handling of empty loops.
9633
9634 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9635
9636         * config.gcc: Remove support for sparc-*-openbsd*,
9637         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9638         ns32k-*-netbsd*.
9639         * config.host: Remove support for i860-*-sysv4* as a host.
9640         * config/i860/*, config/ip2k/*, config/ns32k/*,
9641         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9642         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9643         mention obsolete ports.
9644
9645 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9646
9647         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9648         soft frame pointer.
9649         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9650         of frame_pointer_rtx.
9651         (sh_expand_epilogue): Likewise.
9652         (sh_set_return_address): Likewise.
9653         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9654         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9655         offsets from FRAME_POINTER_REGNUM.
9656         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9657         (sh_register_names): Add initializer for sfp.
9658         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9659         (VALID_REGISTER_P): Likewise.
9660         (FIRST_PSEUDO_REGISTER): Update.
9661         (DWARF_FRAME_REGISTERS): Define.
9662         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9663         (HARD_FRAME_POINTER_REGNUM): Define.
9664         (FRAME_POINTER_REGNUM): Redefine.
9665         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9666         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9667         from FRAME_POINTER_REGNUM.
9668         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9669         FRAME_POINTER_REGNUM.
9670         (REG_CLASS_CONTENTS): Add sfp.
9671         (REG_ALLOC_ORDER): Likewise.
9672         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9673         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9674         of frame_pointer_rtx.
9675         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9676
9677 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9678
9679         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9680         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9681         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9682         of an ABS_EXPR.
9683         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9684         ABS_EXPR<x>.
9685
9686 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9687
9688         Make CONSTRUCTOR use VEC to store initializers.
9689         * c-common.c (complete_array_type): Update to cope with VEC in
9690         CONSTRUCTOR_ELTS.
9691         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9692         (pp_c_constructor_elts): New function.
9693         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9694         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9695         struct constructor_stack, struct initializer_stack,
9696         constructor_elements, push_init_level, pop_init_level,
9697         add_pending_init, find_init_member, output_init_element): Update to
9698         cope with VEC in CONSTRUCTOR_ELTS.
9699         * coverage.c (build_fn_info_value, build_ctr_info_value,
9700         build_gcov_info): Likewise.
9701         * expr.c (categorize_ctor_elements_1, store_constructor,
9702         expand_expr_real_1): Likewise.
9703         * fold-const.c (fold_ternary): Likewise.
9704         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9705         gimplify_init_constructor, gimplify_expr): Likewise.
9706         * tree-dump.c (dequeue_and_dump): Likewise.
9707         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9708         node.
9709         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9710         CONSTRUCTOR_ELTS.
9711         * tree-sra.c (generate_element_init_1): Likewise.
9712         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9713         * tree-ssa-operands.c (get_expr_operands): Likewise.
9714         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9715         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9716         (get_initial_def_for_reduction): Likewise.
9717         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9718         value handle in annotations.
9719         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9720         tree_node_structure): Add support for constr_kind.
9721         (build_vector_from_ctor, build_constructor_single,
9722         build_constructor_from_list): New functions.
9723         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9724         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9725         Update to cope with VEC in CONSTRUCTOR_ELTS.
9726         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9727         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9728         CONSTRUCTOR_APPEND_ELT): New macros.
9729         (struct constructor_elt, struct tree_constructor): New data types.
9730         (union tree_node): Add tree_constructor field.
9731         * treestruct.def: Define TS_CONSTRUCTOR.
9732         * varasm.c (const_hash_1, compare_constant, copy_constant,
9733         compute_reloc_for_constant, output_addressed_constants,
9734         initializer_constant_valid_p, output_constant,
9735         array_size_for_constructor, output_constructor): Update to cope with
9736         VEC in CONSTRUCTOR_ELTS.
9737         * vec.h (VEC_empty, VEC_copy): New macros.
9738
9739 2005-07-19  Devang Patel  <dpatel@apple.com>
9740
9741         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9742
9743 2005-07-19  Richard Henderson  <rth@redhat.com>
9744
9745         PR tree-opt/22278
9746         * gimplify.c (gimplify_expr): Use main variant type for the temp
9747         destination for a discarded volatile read.
9748         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9749         casts between non-void types that change volatility.
9750
9751 2005-07-15  DJ Delorie  <dj@redhat.com>
9752
9753         * toplev.h: Add comment about the first parameter for warning().
9754         * errors.h: Likewise.
9755
9756         * c.opt (Wpragmas): New.
9757         * doc/invoke.texi: Document it.
9758
9759         * function.c (do_warn_unused_parameter): Add warning control to
9760         warning call.
9761         * c-decl.c (warn_if_shadowing): Likewise.
9762         * c-lex.c (cb_def_pragma): Likewise.
9763         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9764         (pop_alignment): Likewise.
9765         (handle_pragma_pack): Likewise.
9766         (apply_pragma_weak): Likewise.
9767         (handle_pragma_weak): Likewise.
9768         (handle_pragma_redefine_extname): Likewise.
9769         (add_to_renaming_pragma_list): Likewise.
9770         (handle_pragma_extern_prefix): Likewise.
9771         (maybe_apply_renaming_pragma): Likewise.
9772         (handle_pragma_visibility): Likewise.
9773
9774         * config/c4x/c4x-c.c (BAD): Likewise.
9775         (c4x_parse_pragma): Likewise.
9776         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9777         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9778         (rs6000_pragma_longcall): Likewise.
9779         * config/v850/v850-c.c (pop_data_area): Likewise.
9780         (ghs_pragma_section): Likewise.
9781         (ghs_pragma_section): Likewise.
9782         (ghs_pragma_interrupt): Likewise.
9783         (ghs_pragma_starttda): Likewise.
9784         (ghs_pragma_startsda): Likewise.
9785         (ghs_pragma_startzda): Likewise.
9786         (ghs_pragma_endtda): Likewise.
9787         (ghs_pragma_endsda): Likewise.
9788         (ghs_pragma_endzda): Likewise.
9789
9790 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9791             Kenneth Zadeck <zadeck@naturalbridge.com>
9792
9793         * Makefile.in: Removed tree-promote-statics.c
9794         * tree-promote-statics.c: Removed.
9795         * common.opt: Removed flag-promote-statics.
9796         * opts.c: Ditto.
9797         * passes.c: Removed tree-promote-statics pass.
9798         * tree-pass.h: Ditto.
9799         * timevar.def: Removed TV_PROMOTE_STATICS.
9800
9801
9802 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9803
9804         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9805         and *-*-freebsd9.
9806         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9807
9808 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9809
9810         PR c/22476
9811         * c-common.c (check_function_arguments): Call
9812         'check_function_format' if either -Wformat or
9813         -Wmissing-format-attribute are specified.
9814         * c-format.c (check_function_format): Check -Wformat before
9815         calling 'check_format_info'.
9816         * c-opts.c (c_common_post_options): Don't warn for
9817         -Wmissing-format-attribute without -Wformat.
9818         * c-typeck.c (convert_for_assignment): Detect additional cases for
9819         -Wmissing-format-attribute.
9820         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9821         behavior.
9822
9823 2005-07-19  Richard Guenther  <rguenther@suse.de>
9824
9825         * config/i386/i386.md (lrint<mode>2): Use temporary
9826         instead of clobbering non-existent memory.
9827
9828 2005-07-19  Nick Clifton  <nickc@redhat.com>
9829
9830         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9831         statement to avoid displaying ASCII control characters.
9832
9833 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9834
9835         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9836         * cfganal.c (find_edge_index): Ditto.
9837         * combine.c (combine_instructions): Ditto.
9838         * ddg.c (create_scc): Ditto.
9839         (find_successors): Ditto.
9840         (find_predecessors): Ditto.
9841         (find_nodes_on_paths): Ditto.
9842         (longest_simple_path): Ditto.
9843         * flow.c (update_life_info): Ditto.
9844         (count_or_remove_death_notes): Ditto.
9845         (clear_log_links): Ditto.
9846         * modulo-sched.c (generate_reg_moves): Ditto.
9847         (find_max_asap): Ditto.
9848         (find_max_hv_min_mob): Ditto.
9849         (find_max_dv_min_mob): Ditto.
9850         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9851         * sched-rgn.c (extract_edgelst): Ditto.
9852         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9853         (dump_update_ssa): Ditto.
9854         (ssa_names_to_replace) Ditto.
9855         (switch_virtuals_to_full_rewrite): Ditto.
9856         (update_ssa): Ditto.
9857         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9858
9859 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9860
9861         Fix PR tree-optimization/22483
9862
9863         * tree-complex.c (create_components): Use
9864         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9865         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9866         * tree-flow.h (safe_referenced_var_iterator): New structure.
9867         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9868         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9869         safe_referenced_var iterator.
9870         (add_type_alias): Ditto.
9871
9872 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9873
9874         * loop-init.c (rest_of_handle_loop2): Remove.
9875         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9876         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9877         (pass_rtl_loop_init, pass_rtl_loop_done,
9878         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9879         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9880         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9881         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9882         pass_tree_loop_done, and pass_tree_unswitch.
9883         (gate_loop): Rename to gate_tree_loop.
9884         * passes.c (init_optimization_passes): Update for renamed tree
9885         loop passes.  Add the new loop2 passes as subpasses of loop2.
9886         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9887         Update for the renamed tree loop passes.
9888
9889 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9890
9891         PR middle-end/22057
9892         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9893         blocks when optimizing.
9894
9895 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9896
9897         * common.opt (frename-registers): Initialize to 2.
9898         (fweb): Ditto.
9899         (fgcse-after-reload): Ditto.
9900         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9901         (process_options): Only change flag_web, flag_rename_registers,
9902         and flag_rerun_cse_after_loop if not explicitly set by user.
9903
9904 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9905
9906         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9907         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9908         in 64-bit mode the same as DImode in 32-bit mode.
9909         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9910         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9911         mode. Add new mode parameter.
9912         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9913         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9914         x86_64_shift_adj): New expanders.
9915         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9916         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9917         insns.
9918         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9919         DImode shift splitters.
9920         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9921         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9922         mode parameter.
9923
9924 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9925
9926         * i386.md (movdi_extzv_1): New.
9927         (zero_extendhidi2): Combine alternatives and never force use of
9928         REX64 prefix.
9929         (zero_extendqidi2): Likewise. Don't restrict input selection.
9930
9931 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9932
9933         Fix PR tree-optimization/22531
9934         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9935          moment.
9936
9937 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9938
9939         * tree-promote-statics.c (pass_promote_statics): Change dump file
9940          name.
9941
9942 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9943
9944         * tree-optimize.c (init_tree_optimization_passes): Add
9945         pass_eliminate_useless_stores pass.
9946         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9947         * tree-ssa-pre.c (is_copy_stmt): New function.
9948         (follow_copies_till_vuse): Ditto.
9949         (do_eustores): Ditto.
9950         (gate_eustores): Ditto.
9951
9952 2005-07-16  Richard Henderson  <rth@redhat.com>
9953
9954         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9955
9956 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9957            Kenneth Zadeck <zadeck@naturalbridge.com>
9958
9959         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9960         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9961         ipa-type-escape.h, tree-promote-statics.c
9962         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9963         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9964         tree-promote-statics.c: new files.
9965         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9966         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9967         int nonlocal_set_p, mark_constant_function): Deleted.
9968         (rest_of_handle_cfg): Removed call to mark_constant_function.
9969         (nonoverlapping_component_refs_p): Added calls to support
9970         type based aliasing.
9971         * tree-ssa-alias.c (may_alias_p,
9972         compute_flow_insensitive_aliasing): Ditto.
9973         * calls.c (flags_from_decl_or_type): Removed reference to
9974         cgraph_rtl_info.
9975         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9976         too many arguments.  This is necessary for Spec 2000.
9977         * cgraph.h (const_function, pure_function): Removed.
9978         * common.opt: Added "fipa-pure-const", "fipa-reference",
9979         "fipa-type-escape", and "ftree-promote-static".
9980         * opts.c: Ditto.
9981         * passes.c: Added ipa and tree-promote-statics passes.
9982         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9983         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9984         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9985         * tree-flow.h: Added exposed sra calls and addition of
9986         reference_vars_info field for FUNCTION_DECLS.
9987         * tree-pass.h: Added passes.
9988         * tree-sra.c: (sra_init_cache): New function.
9989         (sra_insert_before, sra_insert_after) Made public.
9990         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9991         and made public.
9992         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9993         aliasing. (may_alias_p): Added code to use type escape analysis to
9994         improve alias sets.
9995         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9996         code to prune clobbers of static variables based on information
9997         produced in ipa-reference pass.  Changed call clobbering so that
9998         statics are not marked as clobbered if the call does not clobber
9999         them.
10000
10001 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10002
10003         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10004         too.
10005
10006 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10007
10008         * doc/install.texi (*-*-solaris2*): Document recommended version
10009         of GNU binutils and mention GNU linker problem on Solaris 10.
10010
10011 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10012
10013         PR c/22421
10014         * c-decl.c (c_build_bitfield_integer_type): New function.
10015         (finish_struct): Call it.
10016         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10017
10018 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10019
10020         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10021         before returning.
10022
10023 2005-07-16  Jan Hubicka  <jh@suse.cz>
10024
10025         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10026         (scale_bbs_frequencies_int): Watch roundoff errors.
10027         * predict.c (return_prediction): Initialize return_stmt.
10028
10029 2005-07-16  Jan Hubicka  <jh@suse.cz>
10030
10031         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10032         after RTL profiling.
10033
10034 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10035
10036         PR middle-end/22398
10037         * fold-const.c (build_range_check): Convert high/low to etype
10038         if we are only comparing against exp.
10039
10040 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10041
10042         Fix PR tree-optimization/22376
10043         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10044         special var here.
10045         (need_to_solve): New function.
10046         (compute_points_to_sets): Use it.
10047
10048 2005-07-15  Jan Hubicka  <jh@suse.cz>
10049
10050         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10051         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10052
10053 2005-07-15  Richard Guenther  <rguenther@suse.de>
10054
10055         * c-common.c (handle_flatten_attribute): New function.
10056         Add flatten function attribute.
10057         * doc/extend.texi: Document flatten function attribute.
10058         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10059         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10060         New functions.
10061         (cgraph_decide_inlining): Handle functions with flatten
10062         attribute.
10063
10064 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10065
10066         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10067         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10068         UNSPEC_XCHG, UNSPEC_AND): New.
10069         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10070         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10071         * config/rs6000/sync.md (FETCHOP): New code macro.
10072         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10073         New code attrs.
10074         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10075         (sync_compare_and_swap<mode>): Same.
10076         (sync_lock_test_and_set<mode>): Same.
10077         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10078         for QImode and HImode, and not PPC405.
10079         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10080         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10081         (sync_<fetchop>{si,di}_internal): New.
10082         (sync_nand{si,di}_internal): New.
10083         (sync_old_<fetchop>{si,di}_internal): New.
10084         (sync_old_nand{si,di}_internal): New
10085         (sync_new_<fetchop>{si,di}_internal): New.
10086         (sync_new_nand{si,di}_internal): New.
10087         (atomic_and{si,di}): New.
10088         (sync_new_nand{si,di}_internal): New.
10089         (atomic_and{si,di}): New.
10090         (sync_add<mode>_internal): Delete.
10091         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10092         (sync_sub<mode>_internal): Delte.
10093         (sync_subshort_internal): New.
10094         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10095         (sync_anddi_internal): Delete.
10096         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10097         (sync_booldi_internal): Delete.
10098         (sync_boolc<mode>_internal): Delete.
10099         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10100         (sync_boolc<mode>_internal2): Delete.
10101         (sync_boolcc<mode>_internal): Delete.
10102         (isync, lwsync): Use unspec instead of unspec_volatile.
10103         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10104         Revert UNSPEC_VOLATILE.
10105         (rs6000_split_atomic_op): New.
10106         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10107
10108 2005-07-14  Eric Christopher  <echristo@redhat.com>
10109
10110         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10111         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10112
10113 2005-07-14  Eric Christopher  <echristo@redhat.com>
10114
10115         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10116
10117 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10118
10119         PR tree-optimization/22230
10120         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10121         the computation of the four cross productions for "range op range".
10122
10123 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10124             Ulrich Weigand  <uweigand@de.ibm.com>
10125
10126         PR target/20126
10127         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10128         in some insn.
10129
10130 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10131
10132         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10133
10134 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10135
10136         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10137
10138 2005-07-14  Richard Guenther  <rguenther@suse.de>
10139
10140         PR middle-end/22347
10141         * config/i386/i386-protos.h (ix86_function_value): Change
10142         prototype to match new target hook.
10143         * config/i386/i386.c (ix86_value_regno): Change prototype
10144         to take extra type argument.
10145         (TARGET_FUNCTION_VALUE): Define.
10146         (ix86_function_ok_for_sibcall): Pass extra argument to
10147         ix86_value_regno, check return slot rtx for exact match.
10148         (ix86_function_value): Take extra parameter.  Dispatch to
10149         ix86_value_regno with fndecl/fntype as provided.
10150         (ix86_value_regno): Handle extra type argument.
10151         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10152
10153         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10154         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10155         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10156         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10157         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10158
10159 2005-07-14  Richard Guenther  <rguenther@suse.de>
10160
10161         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10162         * calls.c (expand_call): Pass fntype to hard_function_value.
10163         (emit_library_call_value_1): Likewise.
10164         * explow.c: Include target.h.
10165         (hard_function_value): Take extra argument, the fntype.
10166         Use new target hook for function_value.
10167         * expr.h (hard_function_value): Change prototype.
10168         * function.c (aggregate_value_p): Pass 0 as fntype to
10169         hard_function_value.
10170         (assign_parms): Use new target hook for function_value.
10171         Pass 0 as fntype to hard_function_value.
10172         (expand_function_end): Likewise.
10173         * reg-stack.c: Include target.h.
10174         (stack_result): Use new target hook for function_value.
10175         * target-def.h: New target hook function_value.
10176         * target.h: Likewise.
10177         * targhooks.c (default_function_value): New function.
10178         * targhooks.h (default_function_value): Declare.
10179
10180 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10181
10182         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10183
10184 2005-07-14  Jan Hubicka  <jh@suse.cz>
10185
10186         * tree-dfa.c (dump_variable): Use default_def function.
10187         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10188         * tree-ssa.c (verify_use): Likewise.
10189         * tree-ssanames.c (release_ssa_name): Likewise.
10190         * tree-tailcall.c (eliminate_tail_call): Likewise.
10191         (tree_optimize_tail_calls_1): Likewise.
10192         * tree-vrp.c (get_value_range): Likewise.
10193
10194 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10195
10196         * gcc.c (main): Compare language[0] with '*' when iterating over
10197         the infiles.
10198
10199 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10200
10201         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10202         "s390_emit_compare".  Add handling of CCZ1mode.
10203         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10204         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10205         checking.
10206         (s390_branch_condition_mask): Add CCZ1mode handling.
10207         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10208         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10209         Use CCZ1mode instead of CCZmode.
10210         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10211
10212 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10213
10214         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10215         pattern.
10216         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10217
10218 2005-07-13  Eric Christopher  <echristo@redhat.com>
10219
10220         * config/mips/mips.c (mips_canonicalize_comparison): New.
10221         (mips_emit_int_relational): Use.
10222
10223 2005-07-13  Eric Christopher  <echristo@redhat.com>
10224
10225         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10226         static extra parts.
10227         * config/s390/s390.md: Include tpf.md. Move tpf specific
10228         patterns...
10229         * config/s390/tpf.md: To here.
10230         * config/s390/s390.opt: Move tpf specific options...
10231         * config/s390/tpf.opt: to here. Add mmain option.
10232         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10233         * config/s390/tpf.h: Rewrite.
10234
10235 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10236
10237         * doc/tm.texi: Remove @xref{Cross-profiling}.
10238
10239 2005-07-13  Jeff Law  <law@redhat.com>
10240
10241         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10242         expressions, test their _DECL operands for pointer equality rather
10243         than using operand_equal_p.
10244
10245 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10246
10247         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10248         (TARGET_POSIX_IO): This.
10249         * config/darwin.h: Likewise.
10250         * config/freebsd.h: Likewise.
10251         * config/linux.h: Likewise.
10252         * config/lynx.h: Likewise.
10253         * config/netbsd.h: Likewise.
10254         * config/rs6000/linux64.h: Likewise.
10255         * config/rs6000/linux.h: Likewise.
10256         * config/s390/tpf.h: Likewise.
10257         * config/sh/embed-elf.h: Likewise.
10258         * config/sparc/linux64.h: Likewise.
10259         * config/sparc/linux.h: Likewise.
10260         * config/svr4.h: Likewise.
10261         * gcov-io.h: Likewise.
10262
10263         * doc/tm.texi: Updated.
10264
10265         * libgcov.c (create_file_directory): Defined only if
10266         TARGET_POSIX_IO is defined.
10267         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10268         is defined.
10269
10270 2005-07-13  Jan Hubicka  <jh@suse.cz>
10271
10272         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10273
10274 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10275
10276         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10277         structure as argument.
10278
10279 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10280
10281         PR tree-optimization/21921
10282         * tree-iterator.c (tsi_link_before): Support the case when
10283         tsi_end_p (tsi) == true.
10284
10285 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10286
10287         PR tree-optimization/22442
10288         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10289         correctly.
10290
10291 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10292
10293         PR rtl-optimization/20376
10294         * toplev.c (process_options): Enable -fweb and -frename-registers when
10295         unrolling.
10296         * doc/invoke.texi: Update the information about when -fweb and
10297         -frename-registers are enabled.
10298
10299 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10300
10301         PR tree-opt/21840
10302         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10303         if *rhs_p is not a SSA_NAME.
10304
10305 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10306
10307         Fix PR tree-optimization/22422
10308         * tree-ssa-structalias.c (struct variable_info): Add flag for
10309         special vars.
10310         (get_varinfo): Now a static function.
10311         (new_varinfo): init has_union and is_special_var to false.
10312         (solution_set_add): Check has_union.
10313         (do_da_constraint): Move temporary variable so it gets reset
10314         properly.
10315         Also check for special variable.
10316         (do_ds_constraint): Ditto.
10317         (do_sd_constraint): Ditto.
10318         (do_structure_copy): Check for special variable.
10319         (find_func_aliases): Ditto.
10320         (init_base_vars): Set special vars properly.
10321
10322 2005-07-13  Jan Hubicka  <jh@suse.cz>
10323
10324         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10325         do unit-at-a-time.
10326
10327         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10328         (get_expr_operands): Fix thinko wrt flags and subvars.
10329
10330         PR tree-optimize/22379
10331         * tree-inline.c (expand_call_inline): Do not output sorry in early
10332         inlining.
10333
10334 2005-07-12  Dale Johannesen  <dalej@apple.com>
10335
10336         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10337
10338 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10339
10340         PR bootstrap/21704
10341         * host-linux.h: Include limits.h.
10342
10343 2005-07-12  Dale Johannesen  <dalej@apple.com>
10344
10345         * expr.c (compress_float_constant):  Add cost check.
10346         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10347
10348 2005-07-12  Dale Johannesen  <dalej@apple.com>
10349
10350         * gcc.target/i386/compress-float-sse.c:  New.
10351         * gcc.target/i386/compress-float-sse-pic.c:  New.
10352         * gcc.target/i386/compress-float-387.c:  New.
10353         * gcc.target/i386/compress-float-387-pic.c:  New.
10354         * gcc.dg/compress-float-ppc.c:  New.
10355         * gcc.dg/compress-float-ppc-pic.c:  New.
10356
10357 2005-07-12  Eric Christopher  <echristo@redhat.com>
10358
10359         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10360         static extra parts.
10361         * config/s390/s390.md: Include tpf.md. Move tpf specific
10362         patterns...
10363         * config/s390/tpf.md: To here.
10364         * config/s390/s390.opt: Move tpf specific options...
10365         * config/s390/tpf.opt: to here. Add mmain option.
10366         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10367         * config/s390/tpf.h: Rewrite.
10368
10369 2005-07-12  Eric Christopher  <echristo@redhat.com>
10370
10371         * gcc.c (struct infile): Update comment for language.
10372         (main): Rewrite input file resetting code.
10373
10374 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10375
10376         PR tree-opt/22335
10377         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10378         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10379         (lookup_avail_expr): Use constant_boolean_node instead
10380         of boolean_false_node/boolean_true_node.
10381
10382 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10383
10384         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10385         and use it when printing num_edges.
10386
10387 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10388
10389         * doc/extend.texi (Blackfin Built-in Functions): New section.
10390         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10391         @opindex.
10392
10393 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10394
10395         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10396         s/cmpstrsi/cmpstrnsi
10397         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10398         'cmpstrnsi'.
10399         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10400         (init_optabs): Initialize cmpstrn_optab.
10401         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10402         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10403         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10404         * config/i386/i386.md: s/cmpstr/cmpstrn
10405         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10406         * doc/md.texi: Update documentation.
10407
10408 2005-07-11  Richard Henderson  <rth@redhat.com>
10409
10410         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10411         build_va_arg_indirect_ref.
10412         (alpha_gimplify_va_arg): Likewise.
10413         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10414         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10415         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10416         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10417         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10418         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10419         Likewise.
10420         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10421
10422 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10423
10424         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10425         * passes.c (init_optimization_passes): Add pass_empty_loop.
10426         * tree-pass.h (pass_empty_loop): Declare.
10427         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10428         try_remove_empty_loop, remove_empty_loops): New functions.
10429         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10430         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10431
10432 2005-07-12  Peter Barada  <peter@the-baradas.com>
10433
10434         PR middle-end/16719
10435         PR middle-end/18421
10436         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10437         in address registers.
10438         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10439         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10440         alternative of addsi3_5200.
10441
10442 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10443
10444         * config/mips/mips.md (ffs<mode>2): Remove.
10445
10446 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10447
10448         * doc/tree-ssa.texi (Cleanups): Improve description of
10449         TRY_FINALLY_EXPR.
10450         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10451
10452 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10453
10454         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10455         * tree.h (DECL_ARGUMENT_FLD): New macro.
10456
10457 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10458
10459         Fix PR tree-optimization/22404
10460
10461         * tree-ssa-structalias.c (create_variable_info_for): Use
10462         correct offset.
10463
10464 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10465
10466         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10467         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10468         for second comparison operand.
10469         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10470
10471         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10472         (define_insn_reservation "alu"): Likewise.
10473         (csync, ssync): Now of type sync.
10474         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10475         -mcsync-anomaly -mspecld-anomaly.
10476         * config/bfin/bfin.opt (mcsync): Remove.
10477         (mcsync-anomaly, mspecld-anomaly): Add.
10478         * config/bfin/bfin.c: Include "insn-codes.h".
10479         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10480         (TARGET_DEFAULT_TARGET_FLAGS): New.
10481         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10482
10483 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10484
10485         * basic-block.h: Give the BB flags enum a name, bb_flags.
10486         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10487         * cfgcleanup.c (enum bb_flags): Remove here.
10488         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10489         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10490         (update_forwarder_flag): Likewise.
10491         (thread_jump): Likewise.
10492         (try_forward_edges): Likewise.
10493         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10494         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10495         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10496
10497 2005-07-11  Richard Guenther  <rguenther@suse.de>
10498
10499         * config/i386/i386.opt: New target option -msseregparm.
10500         * config/i386/i386.c (override_options): Error out for
10501         -msseregparm but no SSE support.
10502         (ix86_function_sseregparm): Check for global sseregparm.
10503         * doc/invoke.texi: Document -msseregparm.
10504
10505 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10506
10507         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10508         (m32rle-*-linux*): Ditto.
10509
10510 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10511
10512         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10513         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10514         bytes.
10515
10516 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10517
10518         PR middle-end/22239
10519         PR target/20126
10520         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10521         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10522
10523 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10524
10525         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10526         (varmap): Heapify varmap.
10527         (constraints): Heapify constraints.
10528         (struct constraint_graph): Heapify succs and preds.
10529         (constraint_vec_find): Update for heapification.
10530         (constraint_set_union): Ditto.
10531         (insert_into_complex): Ditto.
10532         (constraint_edge_vec_find): Ditto.
10533         (erase_graph_self_edge): Ditto.
10534         (add_graph_edge): Ditto.
10535         (get_graph_weights): Ditto.
10536         (merge_graph_nodes): Ditto.
10537         (build_constraint_graph): Ditto.
10538         (topo_visit): Ditto.
10539         (solve_graph): Ditto.
10540         (create_variable_info_for): Ditto.
10541         (init_base_vars): Ditto.
10542         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10543         (condese_varmap_nodes): Free complex vector.
10544         (clear_edges_for_node): Clear succs and preds vector.
10545
10546 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10547
10548         * tree-ssa-structalias.c (update_alias_info): Change counting of
10549         references to not include vdefs.
10550
10551 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10552
10553         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10554         (up_insert): Ditto.
10555
10556 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10557
10558         * pa.c (pa_commutative_p): Make PLUS commutative when
10559         TARGET_NO_SPACE_REGS is true.
10560
10561 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10562
10563         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10564         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10565         * tree-dfa.c (dump_subvars_for): New.
10566         (debug_subvars_for): New.
10567         (dump_variable): Show subvariables if VAR has them.
10568         * tree-flow-inline.h (get_subvar_at): New.
10569         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10570         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10571         Update all users.
10572         (struct subvar): Change fields offset and size to unsigned
10573         HOST_WIDE_INT.
10574         (dump_subvars_for): Declare.
10575         (debug_subvars_for): Declare.
10576         (get_subvar_at): Declare.
10577         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10578         to unsigned HOST_WIDE_INT *.
10579         (overlap_subvar): Likewise.
10580         * tree-gimple.c (is_gimple_reg): Always return false for
10581         SFTs and memory tags.
10582         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10583         Update all callers.
10584         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10585         (compute_may_aliases): Call compute_points_to_sets.
10586         (collect_points_to_info_for): Remove.
10587         (compute_points_to_and_addr_escape): Remove.
10588         (delete_alias_info): Call delete_points_to_sets.
10589         (compute_flow_sensitive_aliasing): If the call to
10590         find_what_p_points_to returns false, call set_pt_anything.
10591         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10592         (set_pt_anything): Clear pi->pt_vars.
10593         (set_pt_malloc): Remove.
10594         (merge_pointed_to_info): Remove.
10595         (add_pointed_to_expr): Remove.
10596         (add_pointed_to_var): Remove.
10597         (collect_points_to_info_r): Remove.
10598         (is_escape_site): Make extern.
10599         (create_sft): New.
10600         (create_overlap_variables_for): Call it.
10601         * tree-ssa-copy.c (merge_alias_info): Never merge
10602         flow-sensitive alias information.
10603         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10604         offset and size to be unsigned HOST_WIDE_INT.
10605         (add_to_addressable_set): Rename from note_addressable.
10606         Set TREE_ADDRESSABLE as the variables are added to the set.
10607         Update all users.
10608         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10609         operands into VUSEs when adding V_MAY_DEFs for members in an
10610         alias set.
10611         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10612         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10613         (struct variable_info): Add bitfield is_heap_var.
10614         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10615         (new_var_info): Initialize is_heap_var.
10616         (get_constraint_for): Add HEAP variables to the symbol table.
10617         Mark them with is_heap_var.
10618         (update_alias_info): New.  Taken mostly from the old
10619         compute_points_to_and_addr_escape.
10620         (handle_ptr_arith): New.
10621         (find_func_aliases): Call update_alias_info.
10622         Call handle_ptr_info for tcc_binary expressions.
10623         Call mark_stmt_modified.
10624         (create_variable_info_for): If DECL has subvars, do not create
10625         variables for its subvars.  Always add all the fields.
10626         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10627         SFTs, then add all the SFTs of the structure.
10628         If VI->DECL is an aggregate with subvariables, add the SFT at
10629         VI->OFFSET.
10630         (find_what_p_points_to): If VI is an artificial variable,
10631         translate to bitfields in SSA_NAME_PTR_INFO.
10632         If the solution is empty, set pi->pt_vars to NULL
10633         (init_base_vars): Create ANYOFFSET.
10634         (compute_points_to_sets): Rename from create_alias_vars.
10635         Make extern.
10636         (pass_build_pta): Remove.
10637         (delete_points_to_sets): Rename from delete_alias_vars.
10638         (pass_del_pta): Remove.
10639         * tree-ssa-structalias.h (struct alias_info): Move from
10640         tree-ssa-alias.h.
10641         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10642         NUM_REFERENCES_SET): Likewise.
10643         (compute_points_to_sets, delete_points_to_sets): Declare.
10644
10645 2005-07-09  Richard Henderson  <rth@redhat.com>
10646
10647         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10648         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10649         alpha_split_lock_test_and_set_12): New functions.
10650         * config/alpha/alpha-protos.h: Update.
10651         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10652         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10653         * config/alpha/sync.md (I12MODE): New.
10654         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10655         (sync_<fetchop_name><I48MODE>): Likewise.
10656         (sync_nand<I48MODE>): Likewise.
10657         (sync_old_<fetchop_name><I48MODE>): Likewise.
10658         (sync_new_<fetchop_name><I48MODE>): Likewise.
10659         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10660         (sync_compare_and_swap<I48MODE>): Likewise.
10661         (sync_lock_test_and_set<I48MODE>): Likewise.
10662         (sync_compare_and_swap<I12MODE>): New.
10663         (sync_compare_and_swap<I12MODE>_1): New.
10664         (sync_lock_test_and_set<I12MODE>): New.
10665         (sync_lock_test_and_set<I12MODE>_1): New.
10666
10667 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10668
10669         PR 21356
10670         PR 22332
10671         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10672
10673 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10674
10675         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10676         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10677
10678 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10679
10680         PR target/21656
10681         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10682
10683 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10684
10685         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10686         memory_operand constraint.
10687         (store_conditional_<mode>): Same.
10688         (sync_compare_and_swap<mode>): Same.
10689         (sync_lock_test_and_set<mode>): Same.
10690
10691 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10692
10693         Rewrite PIC support to more closely model actual instructions.
10694         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10695         (cris_symbol): Remove prototypes for removed functions.
10696         (cris_pic_symbol_type_of, cris_valid_pic_const)
10697         (cris_expand_pic_call_address): Prototypes for new functions.
10698         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10699         variable.
10700         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10701         modifiers.
10702         <case ':'>: Add case for new punctuation character.
10703         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10704         emitting (extra) PIC modifier.
10705         <case UNSPEC>: Do not assert for PLT.
10706         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10707         (cris_expand_prologue, cris_expand_epilogue): Check
10708         for pic_offset_table_rtx usage instead of taking
10709         current_function_uses_pic_offset_table as the final word.
10710         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10711         Remove flag_pic difference.
10712         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10713         the moral equivalents of...
10714         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10715         functions.
10716         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10717         (cris_handle_option): Mark ARG as unused.
10718         (cris_expand_pic_call_address): New worker function for "call",
10719         "call_value".
10720         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10721         output PIC constructs here.
10722         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10723         as symbol-specific modifers, not whole or part of operands.
10724         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10725         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10726         constants and flag_pic.
10727         (CONSTANT_INDEX_P): Adjust for new functions.
10728         (enum cris_pic_symbol_type): New helper type.
10729         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10730         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10731         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10732         define_constants.
10733         ("movsi"): Emit actual instructions for GOT and relative access.
10734         ("*movsi_got_load"): New pattern to set up the register holding
10735         the GOT pointer.
10736         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10737         Adjust FIXME for 'S'.
10738         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10739         Use "movs" for -fpic cases.
10740         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10741         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10742         ("call", "call_value"): Just call cris_expand_pic_call_address for
10743         PIC addresses.
10744         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10745         Remove special pattern.
10746         ("*expanded_call_side", "*expanded_call_value_side"): New
10747         patterns.
10748         (gotplt-to-plt, gotplt-to-plt-side-call)
10749         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10750         peephole2:s.
10751         * config/cris/cris/predicates.md
10752         ("cris_general_operand_or_gotless_symbol"): Remove unused
10753         predicate.
10754         ("cris_general_operand_or_symbol"): Adjust for new functions.
10755
10756 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10757
10758         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10759
10760 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10761
10762         * Makefile.in (TREE_H): Add treestruct.def.
10763         (c-decl.o): Add pointer-set.h
10764         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10765         visibility on regular DECL's.
10766         (merge_decls): Fix the copying of decl nodes of various types for
10767         the new structures.  Don't update RTL, section name, weak status,
10768         etc, on DECL's without RTL.
10769         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10770         Don't check volatile on non-variable types.
10771         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10772         to check whether we have seen arguments.
10773         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10774         flag is checked before field (flag is common, field is not).
10775         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10776         TS_DECL_COMMON could have an origin.
10777         (add_location_or_const_value_attribute): Don't check section name
10778         on non-var/function decls.
10779         (dwarf2out_var_location): Reverse order of tests.
10780         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10781         with DECL_WRTL_CHECK.
10782         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10783         * fold-const.c (fold_binary): Don't check weakness on
10784         non-var/function decls.
10785         (tree_expr_nonzero_p): Ditto.
10786         (fold_checksum_tree): Use tree_decl_extra as sizeof
10787         buffer.
10788         * ggc-page.c (extra_order_size_table): Add sizes for
10789         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10790         tree_field_decl.
10791         * gimplify.c (gimplify_bind_expr): Only set
10792         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10793         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10794         without RTL.
10795         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10796         * langhooks.h (init_ts). New langhook.
10797         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10798         * print-tree.c (print_node): Update to only print fields that
10799         exist in the structures the passed decl has.
10800         * toplev.c (wrapup_global_declarations): Don't reset
10801         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10802         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10803         * tree-inline.c (remap_decl): Ditto.
10804         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10805         * tree-pretty-print.c (print_declaration): Don't print
10806         DECL_REGISTER on things that don't contain it.
10807         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10808         non-var/function decls.
10809         * tree.c (tree_contains_struct): New structure.
10810         (init_priority_for_decl): New hashtable.
10811         (tree_int_map): New structure.
10812         (tree_int_map_eq): New function.
10813         (tree_int_map_marked_p): Ditto.
10814         (tree_int_map_hash): Ditto.
10815         (tree_map): Move to tree.h.
10816         (tree_map_eq): Externalize.
10817         (tree_map_hash): Ditto.
10818         (tree_map_marked_p): Ditto.
10819         (init_ttree): Set up tree_contains_struct and call langhook.
10820         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10821         (tree_code_size): Update for new structures.
10822         (tree_node_structure): Update for new structures.
10823         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10824         without the field.
10825         (copy_node_stat):  Copy init priority.
10826         (build_decl_stat): Ditto for visibility.
10827         (ts_enum_names): New.
10828         (tree_contains_struct_check_failed): New function.
10829         (decl_init_priority_lookup): Ditto.
10830         (decl_init_priority_insert): Ditto.
10831         * treestruct.def: New file.
10832         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10833         (CONTAINS_STRUCT_CHECK): Ditto.
10834         (tree_contains_struct_check_failed): New prototype.
10835         (DECL_CHECK): Removed.
10836         (DECL_MINIMAL_CHECK): New.
10837         (DECL_COMMON_CHECK): Ditto.
10838         (DECL_WRTL_CHECK): Ditto.
10839         (DECL_NON_COMMON_CHECK): Ditto.
10840         (DECL_WITH_VIS_CHECK): Ditto.
10841         (VAR_OR_FUNCTION_DECL_P): Ditto
10842         (struct tree_decl_minimal): New structure.
10843         (struct tree_decl_common): Ditto.
10844         (struct tree_decl_with_rtl): Ditto.
10845         (struct tree_decl_with_vis): Ditto.
10846         (struct tree_decl_non_common): Ditto.
10847         (struct tree_field_decl): Ditto.
10848         (struct tree_parm_decl): Ditto.
10849         (struct tree_var_decl): Ditto.
10850         (struct tree_function_decl): Ditto.
10851         (struct tree_const_decl): Ditto.
10852         (struct tree_result_decl): Ditto.
10853         (union tree_node): Add new structures.
10854         * var-tracking.c (track_expr_p): Reverse order of tests.
10855
10856         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10857
10858 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10859
10860         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10861         * system.h: Poison FINALIZE_PIC.
10862         * doc/tm.texi (FINALIZE_PIC): Remove.
10863
10864 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10865
10866         PR tree-opt/22329
10867         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10868         to the correct type if we have a MODIFY_EXPR.
10869
10870 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10871
10872         PR tree-optimization/22360
10873         * tree.c (upper_bound_in_type): Fix calculations for casting
10874         to a non-wider signed type and casting a signed value to a
10875         wider unsigned type.
10876         (lower_bound_in_type): Fix calculations for casting to a
10877         non-wider signed type.
10878
10879         PR tree-optimization/20139
10880         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10881         release_defs.
10882         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10883         fold_cond_expr_cond.
10884         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10885         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10886
10887 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10888
10889         PR tree-opt/22356
10890         * tree-complex.c (expand_complex_libcall): Produce
10891         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10892
10893 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10894
10895         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10896         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10897         b" assert and inserted fastpath code for this case.
10898         (bitmap_ior): Removed "a != b" assert.
10899
10900 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10901
10902         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10903         (ENDFILE_SPEC): Likewise.
10904         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10905
10906         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10907         a large stack frame at epilogue.
10908
10909 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10910
10911         * final.c: Include sdbout.h when required.
10912
10913 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10914
10915         * config.gcc (*-*-darwin*): Only one target-specific header file
10916         for generic darwin.
10917         (powerpc-*-darwin*): Add version-specific header files.
10918         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10919         * config.in: Regenerate.
10920         * configure: Regenerate.
10921         * gcc.c: Include xregex.h.
10922         (version_compare_spec_function): New.
10923         (spec_function): Add version-compare.
10924         (replace_outfile_spec_function): Reformat comment.
10925         (compare_version_strings): New.
10926         * config/darwin-c.c (version_as_macro): New.
10927         (builtin_define): New.
10928         (darwin_cpp_builtins): New.
10929         * config/darwin-protos.h (darwin_cpp_builtins): New.
10930         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10931         (LIB_SPEC): Make unconditional, update comment.
10932         (TARGET_C99_FUNCTIONS): Define.
10933         * config/darwin.opt: Sort.
10934         (mmacosx-version-min=): New.
10935         * config/darwin7.h: Delete.
10936         * config/darwin8.h: Delete.
10937         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10938         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10939         (TARGET_C99_FUNCTIONS): Define.
10940         * config/rs6000/darwin7.h: New.
10941         * config/rs6000/darwin8.h: New.
10942         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10943         (-mmacosx-version-min): Document.
10944
10945 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10946
10947         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10948
10949 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10950
10951         PR middle-end/22239
10952         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10953
10954 2005-07-07  Khem Raj  <kraj@mvista.com>
10955
10956         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10957         in bytes, not words.
10958
10959 2005-07-07  Paul Brook  <paul@codesourcery.com>
10960
10961         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10962         DEFAULT_FUNCTION_ARG_PADDING to upward.
10963
10964 2005-07-07  Richard Henderson  <rth@redhat.com>
10965
10966         * function.c (locate_and_pad_parm): Record parameter alignment in
10967         stack_alignment_needed.
10968
10969 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10970
10971         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10972         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10973         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10974         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10975         (define_attr "type"): Add isync, sync, load_l, store_c.
10976         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10977         Create scratch volatile MEM.
10978         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10979         sync.
10980         (load_locked_<mode>): New.
10981         (store_conditional_<mode>): New.
10982         (sync_compare_and_swap<mode>): Replace with splitter.
10983         (sync_lock_test_and_set<mode>): Replace with splitter.
10984         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10985         and UNSPECV_ISYNC.
10986         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10987         is ics.  Attribute isync.
10988         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10989         lwsync.
10990         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10991         and UNSPECV_SYNC_OP.
10992         (emit_unlikely_jump): New.
10993         (emit_load_locked): New.
10994         (emit_store_conditional): New.
10995         (rs6000_split_compare_and_swap): New.
10996         (rs6000_split_lock_test_and_set): New.
10997         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10998         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10999         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11000         rs6000_split_lock_test_and_set): Declare.
11001         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11002         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11003         store_c, isync, sync.
11004
11005 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11006
11007         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11008         filenames to gtyp-gen.h.
11009         (s-typ-gen): Use it in place of for loops.
11010
11011 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11012
11013         * hooks.c (hook_bool_rtx_int_false): New function.
11014         * hooks.h (hook_bool_rtx_int_false): Declare.
11015         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11016         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11017         * target.h (struct gcc_target): Add commutative_p member.
11018         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11019         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11020         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11021         (pa_commutative_p): New function.
11022         * jump.c (target.h): Include.
11023         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11024         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11025
11026 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11027
11028         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11029         (s390_expand_setmem): New.
11030         * config/s390/s390.c: Likewise.
11031         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11032         Adapt comments.
11033         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11034         general_operand.  Call new function "s390_expand_setmem".
11035         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11036         ("setmem_long", "*setmem_long"): ... this.
11037
11038 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11039
11040         * config/s390/s390.c: (optimization_options): Enable
11041         TARGET_MVCLE at -Os.
11042         * doc/invoke.texi: Document changes in default behaviour.
11043         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11044
11045 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11046
11047         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11048         defined by back-end.
11049
11050 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11051
11052         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11053         all sets in the pattern.
11054         * config/rs6000/rs6000.md (stack_protect_testsi,
11055         stack_protect_testdi): Likewise.
11056
11057 2005-07-06  Jeff Law  <law@redhat.com>
11058
11059         * tree-vrp.c (simplify_using_ranges): Kill.
11060         (vrp_finalize): Remove call to simplify_using_ranges.
11061         (simplify_stmt_using_ranges): New function extracted from
11062         simplify_using_ranges.
11063         (simplify_div_or_mod_using_ranges): Likewise.
11064         (simplify_abs_using_ranges): Likewise.
11065         (simplify_cond_using_ranges): New function.
11066         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11067         * tree-ssa-propagate.c (substitute_and_fold): Call
11068         simplify_stmt_using_ranges if we have range information.
11069
11070 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11071
11072         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11073         ia64_flag_schedule_isns2.
11074
11075         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11076         reading/writing general registers.
11077         (ia64_function_arg): Revert 2005-06-18 change.
11078
11079 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11080
11081         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11082         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11083
11084 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11085
11086         * function.c (expand_function_end): Revert part of 2005-06-27
11087         patch.  Do sjlj_emit_function_exit_after after return_label.
11088
11089 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11090
11091         * doc/install.texi (--disable-libssp): New.
11092
11093 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11094
11095         * doc/invoke.texi: Update -fforce-mem documentation.
11096         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11097         code for -fforce-mem.
11098         * expmed.c: (store_bit_field,store_fixed_bit_field,
11099         extract_bit_field): Ditto.
11100         * expr.c: (convert_move): Ditto.
11101         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11102         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11103         emit_conditional_add,expand_float,expand_fix): Ditto.
11104         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11105         (common_handle_option): Issue warning when -fforce-mem specified.
11106
11107 2005-07-06  Paul Brook  <paul@codesourcery.com>
11108
11109         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11110         argument is empty.
11111         * configure: Regenerate.
11112
11113 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11114
11115         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11116
11117 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11118
11119         Fix PR tree-optimization/22319
11120         Fix PR tree-optimization/22140
11121         Fix PR tree-optimization/22310
11122
11123         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11124         variable sized types.
11125         Use correct type for intermediate structure on *a = *b structure
11126         copies.
11127
11128 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11129
11130         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11131         Remove.
11132         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11133         (machine_function): Move typedef to...
11134         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11135         varargs_save_offset field.
11136         (rs6000_stack_t): Remove varargs_size field.
11137         (setup_incoming_varargs): Allocate varargs save area using
11138         assign_stack_local, try to make it as small as possible.
11139         Save offset from virtual_stack_vars_rtx to the save area
11140         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11141         instead of magic 8 when fp word byte size is used.
11142         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11143         instead of -RS6000_VARARGS_SIZE.
11144         (rs6000_stack_info, debug_stack_info,
11145         rs6000_initial_elimination_offset): Remove all traces of
11146         varargs_size.
11147         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11148         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11149         RS6000_VARARGS_AREA.
11150
11151 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11152
11153         PR tree-optimization/21963
11154         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11155         constant_multiple_of in the same way get_computation_cost_at does.
11156
11157 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11158
11159         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11160         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11161         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11162         and return its previous value.
11163         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11164         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11165         constants.
11166         (stack_protect_set, stack_protect_test): New expanders.
11167         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11168         stack_protect_testdi): New insns.
11169         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11170         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11171
11172 2005-07-06  Jeff Law  <law@redhat.com>
11173
11174         * tree-ssa-dce.c (cfg_altered): New global.
11175         (tree_dce_init): Initialize cfg_altered.
11176         (remove_dead_stmt): If we remove an edge in the CFG, then set
11177         CFG_ALTERED.
11178         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11179         the dominators.
11180
11181 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11182
11183         * Makefile.in (stamp-collect-ld): Use
11184         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11185         ./collect-ld if it already exists.
11186         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11187         Don't remove ./nm if it already exists.
11188
11189 2005-07-05  Devang Patel  <dpatel@apple.com>
11190
11191         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11192         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11193         * tree-vectorizer.c (vect_loop_location): New.
11194         (vect_print_dump_info): Use vect_loop_location.
11195         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11196         (vectorize_loops): Set vect_loop_location.
11197         * tree-vect-analyze.c (vect_analyze_offset_expr,
11198         vect_determin_vectorization_factor, vect_analyze_operations,
11199         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11200         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11201         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11202         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11203         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11204         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11205         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11206         vect_analyze_loop): Adjust vect_print_dump_info API.
11207         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11208         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11209         vect_finish_stmt_generation, vectorizable_assignment,
11210         vectorizable_operation, vectorizable_store, vectorizable_load,
11211         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11212         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11213         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11214         vect_transform_loop): Same.
11215         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11216         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11217         Same.
11218
11219 2005-07-05  Randolph Chung  <tausq@debian.org>
11220
11221         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11222         * configure: Regenerate.
11223         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11224         (pa_tls_referenced_p): Declare.
11225         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11226         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11227         (legitimize_tls_address): New.
11228         (hppa_legitimize_address): Handle TLS addresses.
11229         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11230         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11231         (emit_move_sequence): Handle TLS addresses.
11232         (pa_encode_section_info): Call default handler to handle common
11233         sections.
11234         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11235         (CONSTANT_ADDRESS_P): Reject TLS operands.
11236         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11237         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11238         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11239         (UNSPEC_TLSLE): Define new constants.
11240         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11241         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11242         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11243         (tie_symbolic_operand, tle_symbolic_operand): New
11244
11245 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11246
11247         * aclocal.m4: Update macros for autoconf 2.59 style.
11248         * configure.ac: Likewise.
11249
11250 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11251
11252         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11253         (function_arg): Pass small aggregates in general registers on 32-bit
11254         targets.
11255         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11256
11257 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11258
11259         * Makefile.in (final.o): Fix dependencies.
11260
11261 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11262
11263         PR c/22013
11264         PR c/22098
11265         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11266         * langhooks.c (lhd_expr_to_decl): New.
11267         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11268         New.
11269         (LANG_HOOKS_INITIALIZER): Update.
11270         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11271         expr_to_decl langhook.
11272         * c-tree.h (c_expr_to_decl): Declare.
11273         * c-typeck.c (c_expr_to_decl): New.
11274         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11275         specially.
11276         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11277
11278 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11279
11280         PR c/22308
11281         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11282         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11283
11284 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11285
11286         * Makefile.in: Adjust dependencies.
11287         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11288         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11289         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11290         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11291         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11292         rest_of_compilation.
11293
11294         * bb-reorder.c (gate_duplicate_computed_gotos,
11295         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11296         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11297         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11298         pass_partition_blocks): New.
11299         * bt-load.c (gate_handle_branch_target_load_optimize,
11300         rest_of_handle_branch_target_load_optimize,
11301         pass_branch_target_load_optimize): New.
11302         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11303         pass_jump2): New.
11304         * cfglayout.c (pass_insn_locators_initialize): New.
11305         * cfgrtl.c (pass_free_cfg): New.
11306         * combine.c (gate_handle_combine, rest_of_handle_combine,
11307         pass_combine): New.
11308         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11309         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11310         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11311         * except.c (pass_set_nothrow_function_flags,
11312         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11313         pass_rtl_eh): New.
11314         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11315         rest_of_handle_shorten_branches, pass_shorten_branches,
11316         rest_of_clean_state, pass_clean_state): New.
11317         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11318         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11319         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11320         pass_flow2): New.
11321         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11322         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11323         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11324         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11325         pass_gcse): New.
11326         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11327         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11328         pass_rtl_ifcvt, gate_handle_if_after_combine,
11329         rest_of_handle_if_after_combine, pass_if_after_combine,
11330         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11331         pass_if_after_reload): New.
11332         * integrate.c (pass_initial_value_sets): New.
11333         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11334         pass_purge_lineno_notes): New.
11335         * mode-switching.c (rest_of_handle_mode_switching,
11336         pass_mode_switching): New.
11337         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11338         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11339         pass_loop2): New.
11340         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11341         pass_loop_optimize): New.
11342         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11343         pass_sms): New.
11344         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11345         pass_gcse2): New.
11346         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11347         pass_postreload_cse): New.
11348         * profile.c (gate_handle_profiling, pass_profiling,
11349         rest_of_handle_branch_prob, pass_branch_prob): New.
11350         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11351         pass_split_before_regstack, gate_handle_split_before_regstack,
11352         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11353         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11354         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11355         pass_stack_regs): New.
11356         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11357         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11358         pass_stack_adjustments): New.
11359         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11360         pass_regrename): New.
11361         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11362         pass_delay_slots, gate_handle_machine_reorg,
11363         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11364         * rtl.h (extern void purge_line_number_notes): New.
11365         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11366         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11367         pass_sched2): New.
11368         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11369         pass_tracer): New.
11370         * value-prof.c (gate_handle_value_profile_transformations,
11371         rest_of_handle_value_profile_transformations,
11372         pass_value_profile_transformations): New.
11373         * var-tracking.c (gate_handle_var_tracking,
11374         pass_variable_tracking): New.
11375         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11376
11377         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11378         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11379         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11380         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11381         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11382         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11383         rest_of_handle_gcse2, rest_of_handle_regmove,
11384         rest_of_handle_tracer, rest_of_handle_if_conversion,
11385         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11386         rest_of_handle_web, rest_of_handle_branch_prob,
11387         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11388         rest_of_handle_jump_bypass, rest_of_handle_combine,
11389         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11390         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11391         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11392         rest_of_handle_mode_switching, rest_of_handle_jump,
11393         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11394         rest_of_handle_flow2, rest_of_handle_jump2,
11395         rest_of_handle_peephole2, rest_of_handle_postreload,
11396         rest_of_handle_shorten_branches, rest_of_clean_state,
11397         rest_of_compilation): Remove.
11398
11399         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11400         * passes.c (dump_flags, in_gimple_form, all_passes,
11401         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11402         register_dump_files, next_pass_1, last_verified, execute_todo,
11403         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11404         from tree-optimize.c.
11405         (init_optimization_passes): Moved from tree-optimize.c,
11406         adding the RTL optimizations.
11407         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11408         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11409         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11410         register_dump_files, next_pass_1, last_verified, execute_todo,
11411         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11412         init_tree_optimization_passes, ipa_passes): Delete.
11413         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11414         the RTL dumps.
11415         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11416         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11417         from tree.h.
11418         (ipa_passes): Remove.
11419         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11420         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11421         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11422         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11423         (dump_info_p, dump_flag): Moved to tree-dump.h.
11424
11425         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11426         cgraph.c, opts.c.
11427         * passes.c (finish_optimization_passes): Use dump_begin
11428         and dump_end, TDI_end.
11429         (gate_rest_of_compilation): New.
11430         (pass_rest_of_compilation): Use it.
11431         (gate_postreload, pass_postreload): New.
11432         * toplev.c (general_init): Rename init_tree_optimization_passes.
11433         * toplev.h (init_tree_optimization_passes): Rename to
11434         init_optimizations_passes.
11435         * tree-dump.c (dump_flag): Make static.
11436         (dump_files): Remove RTL dumps.
11437         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11438         pass_cleanup_cfg, pass_free_cfg_annotations,
11439         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11440         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11441         * tree-pretty-print.c: Include tree-pass.h.
11442         * cgraph.c: Include tree-dump.h.
11443
11444 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11445
11446         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11447         Only fall back to saying it points to readonly memory if
11448         we can't do better.
11449
11450 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11451
11452         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11453         * config/m32r/m32r.c (m32r_compute_frame_size,
11454         m32r_expand_prologue): Take current_function_profile into
11455         account whenever we reference
11456         current_function_uses_pic_offset_table.
11457         (m32r_finalize_pic): Remove.
11458         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11459
11460 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11461
11462         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11463         instead of $<.  Don't remove ./as if it already exists.
11464
11465 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11466
11467         PR target/21723
11468         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11469         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11470         for complex modes when generating code for PA 1.0.
11471         (VALID_FP_MODE_P): New macro.
11472         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11473         sets for all general and floating point modes.  Align wide floating
11474         point modes to even register boundaries to comply with architectural
11475         requirements.
11476         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11477         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11478         (VALID_FP_MODE_P): New macro.
11479         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11480         sets for all general and floating point modes.  Align wide floating
11481         point modes to even register boundaries to comply with architectural
11482         requirements.
11483
11484 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11485
11486         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11487         to 0.
11488
11489 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11490
11491         * tree-ssa-structalias.c: Don't include expr.h.
11492
11493 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11494
11495         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11496         comments.
11497
11498 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11499
11500         Fix PR tree-optimization/22279
11501
11502         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11503         correct operator.
11504
11505 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11506
11507         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11508
11509 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11510
11511         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11512         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11513         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11514         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11515         config/stormy16/stormy16.c, config/v850/v850.c,
11516         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11517         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11518         Avoid "." or "\n" at end of diagnostics and capital letters at
11519         start of diagnostics.
11520         * combine.c, cse.c: Don't translate dump file output.
11521         * toplev.c (print_version): Only translate output if going to
11522         stderr.
11523
11524 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11525
11526         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11527         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11528         typos.
11529
11530 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11531
11532         * pa.c (fix_range): Fix typo in comment.
11533
11534 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11535
11536         * tree-vrp.c (extract_range_from_assert): Replace
11537         fold (build (...)) with fold_build2.
11538
11539 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11540
11541         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11542         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11543         (format_types_orig, handle_format_attribute): Add support for
11544         format "gcc_gfc".
11545
11546 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11547
11548         * varasm.c (assemble_variable): Fix format specifier thinko.
11549
11550 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11551
11552         PR tree-optimization/22029 (and 22135)
11553         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11554         a phi node before calling dump_vops.
11555
11556 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11557
11558         * tree-dump.h (dump_string_field): Declare.
11559         * tree-dump.c: Use it instead of dump_string.
11560         (dump_string_field): Make non-static.
11561
11562 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11563
11564         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11565         up the minimal CFG stuff always when optimize > 0.  Call
11566         split_all_insns_noflow in PIC case if needed.
11567
11568 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11569             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11570
11571         PR c++/18279
11572         * c-decl.c (c_write_global_declarations): Dump contents of
11573         external scope to.
11574         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11575         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11576         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11577         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11578         is enabled.
11579
11580 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11581
11582         * c-common.h (GCC_DIAG_STYLE): Define.
11583         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11584         version for format checking to 4.1.
11585         * c-format.c: Include toplev.h after c-common.h.
11586         (enum format_type): Add gcc_tdiag_format_type.
11587         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11588         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11589         (format_types_orig): Add gcc_tdiag.
11590         (init_dynamic_diag_info): Support gcc_tdiag formats.
11591         (handle_format_attribute): Likewise.
11592         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11593         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11594         version for format checking to 4.1.
11595         (warning0, warning, error, pedwarn, sorry): Use
11596         ATTRIBUTE_GCC_DIAG.
11597         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11598         (finish_aliases_1): Do not use %qE.
11599         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11600         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11601         Correct format bugs.
11602         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11603         parameter to unsigned HOST_WIDE_INT.
11604         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11605
11606 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11607
11608         PR middle-end/21742
11609         * expr.c (write_complex_part): Use adjust_address for MEM.
11610         (read_complex_part): Same.
11611
11612 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11613
11614         Fix PR tree-optimization/22280
11615
11616         * tree-sra.c (generate_element_init): Remove useless loop.
11617
11618 2005-07-02  Richard Henderson  <rth@redhat.com>
11619
11620         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11621         TLS_MODEL_NONE.
11622         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11623
11624 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11625
11626         PR middle-end/14490
11627         * fold-const.c (fold_binary): Handle the return value of
11628         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11629         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11630
11631 2005-07-02  Jeff Law  <law@redhat.com>
11632
11633         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11634         a eliminate type conversion which feeds an equality comparison
11635         if the original type or either operand in the comparison is a
11636         function pointer.
11637
11638 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11639
11640         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11641         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11642         texts.
11643         * config/avr/avr.c: Do not use '`' as left quote.
11644         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11645         Remove "." from end of diagnostics.  Make diagnostics start with
11646         lowercase letter.
11647
11648 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11649             Joseph S. Myers  <joseph@codesourcery.com>
11650
11651         * toplev.c (default_tree_printer): Handle setting location with
11652         '+' flag.
11653         * c-objc.common.c (c_tree_printer): Likewise.
11654         * c-format.c (gcc_diag_flag_specs): Add '+'.
11655         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11656         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11657         formats.
11658         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11659         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11660         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11661         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11662         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11663         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11664         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11665         format arguments where %J is used without %D.
11666
11667 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11668
11669         * gcc.c (LINK_SSP_SPEC): Define.
11670         (link_ssp_spec): New variable.
11671         (LINK_COMMAND_SPEC): Add %(link_ssp).
11672         (static_specs): Add link_ssp_spec.
11673         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11674         * configure: Rebuilt.
11675         * config.in: Rebuilt.
11676
11677         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11678         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11679         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11680         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11681         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11682         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11683         -0x7008(2) instead of reading __stack_chk_guard variable.
11684         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11685         number.
11686         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11687         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11688         if TARGET_THREAD_SSP_OFFSET is defined.
11689         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11690         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11691
11692         Revert:
11693         2005-06-27  Richard Henderson  <rth@redhat.com>
11694         * libgcc-std.ver (GCC_4.1.0): New.
11695         * libgcc.h (__stack_chk_guard): Declare.
11696         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11697         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11698         * mklibgcc.in (lib2funcs): Add them.
11699
11700 2005-07-01  Richard Henderson  <rth@redhat.com>
11701
11702         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11703         void * before struct sigcontext *.
11704         (x86_fallback_frame_state): Likewise.
11705
11706 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11707
11708         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11709
11710 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11711
11712         PR tree-opt/22269
11713         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11714         we check for SSA_NAME for.
11715
11716 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11717
11718         Fix PR tree-optimization/22071
11719
11720         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11721         function.
11722         (get_constraint_for_component_ref): Use it.
11723
11724 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11725
11726         PR other/22264
11727         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11728         print out the last new line.
11729
11730 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11731
11732         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11733         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11734         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11735         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11736         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11737         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11738         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11739         (enum reg_class): New member CC0_REGS.
11740         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11741         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11742         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11743         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11744         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11745         Adjust for register now described.
11746
11747 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11748
11749         PR target/22262
11750         * config/i386/i386.md (stack_protect_test_si,
11751         stack_protect_test_di): Add earlyclobber for scratch 3.
11752         * config/rs6000/rs6000.md (stack_protect_testsi,
11753         stack_protect_testdi): Add earlyclobber for scratch 3,
11754         remove earlyclobber from scratch 4.
11755
11756 Older entries for 2005 can be found in ChangeLog-2005.