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PR target/25406
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
2
3         PR target/25406
4         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
5         error_mark_node.  Make alignment params unsigned.
6         * config/rs6000/rs6000-protos.h
7         (rs6000_special_round_type_align): Update prototype.
8         (rs6000_machopic_legitimize_pic_address): Remove arg names.
9
10 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
11
12         PR rtl-optimization/25310
13         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
14         of the eliminable register when substituting into a PLUS.
15
16 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
17
18         PR debug/25023
19         * config/i386/i386.c (ix86_force_to_memory): Always use
20         SImode push for HImode in -m32.
21         (ix86_free_from_memory): Likewise.
22
23 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
24
25         * gcc/config/arm/arm.md: Provide a big-endian version of the
26         (zero_extend:SI (subreg:QI ...)) splitter.
27
28 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
29
30         * struct-equiv.c (note_local_live): Handle hard regs with different
31         hard_regno_nregs.
32
33 2005-12-14  Jeff Law  <law@redhat.com>
34
35         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
36         to a structure containing state rather than a pointer to bool.
37         (case ARRAY_REF): New code to handle folding some array references.
38         (case ADDR_EXPR): Note when we are processing expressions found
39         within an ADDRE_EXPR.
40         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
41         for state variables rather than just a pointer to a boolean.
42         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
43         handling of constant string references.
44
45 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
46
47         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
48         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
49         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
50         Move other tst* patterns to retain partial order.
51
52 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
53
54         * config/s390/s390.md ("d0", "1"): New mode attributes.
55         ("<shift>di3", "<shift>si3"): Merge.
56         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
57         ("ashrdi3", "ashrsi3"): Merge.
58         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
59         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
60         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
61         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
62         ("*ashrdi3", "*ashrsi3"): Merge.
63         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
64
65 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
66
67         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
68         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
69         ("*extendqidi2", "*extendqisi2") Merge.
70         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
71         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
72         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
73         Move some patterns to retain partial ordering.
74
75 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
76
77         * config/s390/s390.md ("atype", "length"): Rewrite.
78         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
79
80 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
81
82         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
83
84 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
85
86         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
87         PARALLELs with a mode.
88
89 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
90
91         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
92         cond_expr parameter.
93
94 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
95
96         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
97
98 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
99
100         PR bootstrap/25397:
101
102         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
103         of STACK_REGS bits.
104
105         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
106
107 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
108
109         PR target/25254
110         PR target/24188
111         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
112         DECL_P, call get_section rather than get_named_section.  Supply
113         section flags to it.
114
115 2005-12-14  Ben Elliston  <bje@au.ibm.com>
116
117         * c-common.c (c_common_truthvalue_conversion): Generalise warning
118         for addresses converted to booleans; not just function addresses.
119         * c-typeck.c (build_binary_op): Warn for address comparisons which
120         can never be NULL (eg. func == NULL or &var == NULL).
121         * common.opt (Walways-true): New option.
122         * c-opts.c (c_common_handle_option): Set it with -Wall.
123         * doc/invoke.texi: Document it.
124
125 2005-12-13  Paul Brook  <paul@codesourcery.com>
126
127         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
128         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
129
130 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
131
132         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
133         (EXTRA_MULTILIB_PARTS): Define.
134
135 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
136
137         PR rtl-optimization/20070 / part1
138         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
139         count_or_remove_death_notes with kill == -1.
140         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
141         registers if PROP_POST_REGSTACK is set.
142         (mark_used_reg): Likewise.
143         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
144         REG_UNUSED notes for stack regs.
145         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
146         to match rtx_equiv_p machinery.  Change caller.
147         (outgoing_edges_match): Likewise.
148         (try_crossjump_to_edge): Use struct_equiv_block_eq
149         instead of flow_find_cross_jump.
150         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
151         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
152         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
153         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
154         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
155         (insns_match_p): Update prototype.
156         (flow_find_cross_jump): Remove prototype.
157         (struct_equiv_block_eq, struct_equiv_init): Declare.
158         (rtx_equiv_p, condjump_equiv_p): Likewise.
159         * struct-equiv.c: Include reload.h.
160         (IMPOSSIBLE_MOVE_FACTOR): Define.
161         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
162         (struct_equiv_improve_checkpoint): Likewise.
163         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
164         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
165         (struct_equiv_merge, find_dying_input): Likewise.
166         (resolve_input_conflict, note_local_live): Likewise.
167         (death_notes_match_p): Change parameters and processing
168         to match rtx_equiv_p machinery.  Change caller.
169         (insns_match_p): Likewise.
170         (flow_find_cross_jump): Replace with:
171         (struct_equiv_block_eq).
172
173         Back out this change:
174         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
175           * recog.c (verify_changes): Make it static.
176           * recog.h: Remove the corresponding prototype.
177
178 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
179
180         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
181         values.
182
183 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
184
185         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
186         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
187         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
188         TARGET_MS1_64_001 appropriately.
189         (ms1_machine_reorg): Use TARGET_MS2.
190
191 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
192
193         PR debug/25023
194         PR target/25293
195         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
196         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
197         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
198         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
199         Set mode to SI, adjust constraints.
200         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
201         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
202         32-bit code.
203
204 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
205
206         * c-cppbuiltin.c (builtin_define_float_constants): Add
207         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
208         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
209         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
210         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
211         to "((double)%sL)" otherwise "%s".
212
213 2005-12-13  Paul Brook  <paul@codesourcery.com>
214
215         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
216         apcs/atpcs.
217
218 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
219
220         * tree-flow.h: Allow compilation with a C++ compiler.
221         (struct edge_prediction): Prefix all field names  with "ep_".
222         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
223         (tree_predict_edge, combine_predictions_for_bb): Likewise.
224         (remove_predictions_associated_with_edge): Likewise.
225         
226 2005-12-12  Jeff Law  <law@redhat.com>
227
228         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
229         reassociation code.
230         * passes.c (init_optimization_passes): Run reassociation again
231         after loop optimizations.
232
233 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
234
235         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
236         if necessary.
237         (optimize_stmt): Ditto.
238         (canonicalize_comparison): New function.
239         * tree-ssa-operands.c (swap_tree_operands): Make external.
240         (get_expr_operands): Stop auto-canonicalization.
241         * tree-ssa-reassoc.c: Rewrite.
242         (init_optimization_passes): 
243         * tree-flow.h (swap_tree_operands): Prototype.
244         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
245
246 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
247
248         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
249         indicate function epilogue has been output.
250         (pa_asm_output_mi_thunk): Likewise.
251         (output_deferred_plabels): Put plabels in readonly data section when
252         not generating PIC code.
253         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
254         information.  Add assert.
255         (som_output_comdat_data_section_asm_op): New function.
256         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
257         instead of output_section_asm_op for COMDAT sections.
258
259 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
260
261         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
262         Fix whitespace in vincinity of to-be-installed changes.
263         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
264         (insns_match_p): Likewise.
265
266 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
267
268         * config.gcc (ms1): Replace with ...
269         (mt): ... this.
270         * config/ms1: Rename to ...
271         * config/mt: ... here.  Rename ms1 files to mt.
272         * config/mt/mt.c: Adjust gt-mt.h #include.
273         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
274         (crti.o, crtn.o): Adjust file names.
275
276 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
277
278         * varray.h: Allow compilation with a C++ compiler.
279         (union varray_data_tag): Prefix all field names with "vdt_".
280         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
281         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
282         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
283         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
284         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
285         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
286         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
287         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
288         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
289         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
290         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
291         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
292         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
293         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
294         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
295         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
296         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
297         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
298         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
299         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
300         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
301         VARRAY_TOP_TREE_PTR): Likewise.
302         * varray.c (varray_grow): Likewise.
303         (varray_clear): Likewise.
304
305 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
306
307         PR target/25299
308         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
309         alignment to doubleword if the first field is a double array.
310         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
311
312 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
313
314         * tree-ssa-structalias.c (process_constraint): Remove code to
315         transform addressofs into scalar.
316         (create_variable_info_for): In whole-program IPA, globals don't
317         point to ANYTHING by default.
318
319 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
320
321         * timevar.def (TV_IPA_PTA): New.
322         * tree-pass.h (pass_ipa_pta): New
323         * tree-ssa-structalias.c: Include cgraph.h
324         (in_ipa_mode): New.
325         (predbitmap_obstack): New.
326         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
327         (struct constraint_stats): Add num_edges.
328         (new_var_info): Don't call bitmap_clear.
329         (struct constraint_edge): Update docs.
330         (new_constraint_edge): Remove src param.
331         (struct constraint_graph): Add zero_weight_succs,
332         zero_weight_preds.  Update docs.
333         (constraint_expr_equal): Reformat.
334         (constraint_edge_equal): Update for removal of src.
335         (constraint_edge_less): Ditto.
336         (constraint_edge_vec_find): Ditto.
337         (erase_graph_self_edge): Update for removal of src and and zero
338         weight bitmap.
339         (clear_edges_for_node): Ditto.
340         (add_graph_edge): Ditto.
341         (get_graph_weights): Ditto.
342         (allocate_graph_weights): Ditto.
343         (merge_graph_nodes): Ditto.
344         (int_add_graph_edge): Ditto.
345         (valid_graph_edge): Ditto.
346         (valid_weighted_graph_edge): Ditto.
347         (build_constraint_graph): Ditto.
348         (scc_visit): Ditto.
349         (collapse_nodes): Ditto.
350         (process_unification_queue): Ditto.
351         (topo_visit): Ditto.
352         (solve_graph): Ditto.
353         (do_structure_copy): Ditto.
354         (perform_var_substitution): Ditto.
355         Init and release obstack.
356         (handle_ptr_arith): Try to resolve directly.
357         (find_func_aliases): Don't call update_alias_info here
358         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
359         (do_sd_constraint): Add code for propagating faster.
360         Update.
361         (do_ds_constraint): Ditto.
362         (count_num_arguments): New function.
363         (create_function_info_for): Ditto.
364         (create_variable_info_for): Handle FUNCTION_DECL.
365         (intra_create_variable_infos): Use make_constraint_to_anything.
366         (init_alias_vars): Init obstacks here.
367         (need_to_solve): Handle zero weight graph changes.
368         (compute_points_to_sets): Call update_alias_info here.
369         (delete_points_to_sets): Free zero weight preds/succs here.
370         (gate_ipa_pta): New.
371         (ipa_pta_execute): New
372
373 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
374
375         * tree-ssa-structalias.c (var_anyoffset): Removed.
376         (anyoffset_tree): Ditto.
377         (anyoffset_id): Ditto.
378         (do_deref): Take vector of constraints, no return value.
379         Update to work on vector.                
380         (get_constraint_for): Ditto.
381         (get_constraint_for_component_ref): Ditto.
382         (do_structure_copy): Ditto.
383         (handle_ptr_arith): Ditto.
384         (find_func_aliases): Ditto.
385         (set_uids_in_ptset): Remove anyoffset handling.
386         (init_base_vars): Ditto.
387
388 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
389
390         PR c++/25010
391         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
392         DECL_EXTERNAL functions have no bodies.  Tidy.
393
394 2005-12-10  Andreas Schwab  <schwab@suse.de>
395
396         * except.c (switch_to_exception_section): Only define if
397         TARGET_UNWIND_INFO is not defined.
398
399 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
400
401         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
402         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
403
404 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
405
406         * output.h (init_section, fini_section): Delete.
407         * varasm.c (init_section, fini_section): Delete.
408         (init_varasm_once): Don't initialize them.
409         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
410         there are no corresponding varasm.c variables.
411
412 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
413
414         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
415         of EH_FRAME_SECTION_NAME into...
416         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
417         if it is still null.
418         * except.c (default_exception_section): Delete, moving most
419         of the code to...
420         (switch_to_exception_section): ...this new function.  Set
421         exception_section if it is still null, then switch to it.
422         (output_function_exception_table): Use switch_to_exception_section.
423         * varasm.c (exception_section, eh_frame_section): Update comments.
424         (get_section): Hoist use of SECTION_NAMED.
425         (init_varasm_once): Don't set exception_section and eh_frame_section.
426         * output.h (default_exception_section): Delete.
427         (default_eh_frame_section): Delete.
428
429 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
430
431         * config/bfin/bfin.c: Include "cgraph.h".
432         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
433         Return the reg that holds the pointer to the GOT.
434         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
435         doing stack checking.
436
437 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
438
439         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
440         recompute_tree_invarant_for_addr_expr.
441         Update uses everywhere.
442
443 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
444
445         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
446         (MULTILIB_DIRNAMES): Define.
447
448 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
449
450         PR target/25311
451         * config/s390/s390.c (struct s390_address): New field literal_pool.
452         (s390_decompose_address): Compute literal_pool field.  Do not 
453         assume register %r13 is always (and solely) used as pool base.
454         (s390_extra_constraint_str): Use literal_pool field.
455
456 2005-12-09  Thiemo Seufer  <ths@networkno.de>
457
458         * config/mips/mips.c (override_options): Don't allow too small
459         integers in FP registers.
460
461 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
462
463         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
464         targetm.binds_local_p to check for local function calls.
465
466 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
467
468         PR debug/24908
469         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
470         call_used_regs can't be used to save reg in another reg.
471
472 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
473             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
474
475         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
476         abort.
477         * except.c (output_ttype): Likewise.
478         * tree-object-size.c (collect_object_sizes_for): Likewise.
479         (check_for_plus_in_loops_1): Likewise.
480         (check_for_plus_in_loops): Likewise.
481         (compute_object_sizes): Use gcc_unreachable instead of abort.
482
483 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
484
485         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
486         (loop_end, loop_init, doloop_end): New insns.
487         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
488         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
489         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
490         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
491         * config/ms1/ms1.c: #include basic-block.h
492         (struct machine_function): Add has_loops field.
493         (ms1_add_loop): New.
494         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
495         (struct loop_info, struct loop_work): New.
496         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
497         (ms1_reorg_loops): New loop optimization.
498         (ms1_machine_reorg): Call it.
499         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
500
501 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
502
503         PR tree-optimization/25248
504         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
505         evolution_of_loop from the failed attempt.  Remove handling
506         of MULT_EXPR.
507
508 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
509
510         * tree.h (DECL_EXTERNAL): Clarify documentation.
511
512 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
513             Jakub Jelinek  <jakub@redhat.com>
514
515         PR target/25268
516         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
517         argument.  Don't drop outer ANDs.
518         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
519         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
520         prototype.
521         * config/s390/predicates.md (setmem_operand): Remove.
522         (shift_count_operand): Rename to...
523         (shift_count_or_setmem_operand): ... this.  Adjust
524         s390_decompose_shift_count caller.
525         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
526         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
527         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
528         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
529         rotl<mode>3_and, setmem_long_and): New insns.
530         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
531         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
532         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
533         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
534         of shift_count_operand.
535         (setmem_long): Use shift_count_or_setmem_operand instead of
536         setmem_operand.
537
538 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
539             Andreas Tobler  <a.tobler@schweiz.ch>
540
541         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
542         tr expression.
543
544 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
545
546         * expr.c (force_operand): Use convert_to_mode for conversions.
547
548 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
549
550         * reload.h (reg_equiv_invariant): Declare.
551         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
552         register also when reg_equiv_invariant[R] is set.
553
554 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
555             Andreas Tobler  <a.tobler@schweiz.ch>
556
557         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
558
559 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
560
561         * tree-ssa-pre.c (bitmap_set_and): New function.
562         (bitmap_set_and_compl): New function.
563         (bitmap_set_empty_p): New function.
564         (insert_extra_phis): New function.
565         (compute_avail): Use insert_extra_phis.
566
567 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
568
569         * config/s390/s390.c (s390_expand_atomic): New function.
570         Adjust comment of helper functions.
571         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
572         * config/s390/s390.md ("ATOMIC"): New code macro.
573         ("atomic"): Corresponding new code attribute.
574         ("sync_lock_test_and_set[hq]i", 
575         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
576
577 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
578
579         * config/s390/s390.c (s390_expand_mask_and_shift, 
580         struct alignment_context, init_alignment_context, 
581         s390_expand_cs_hqi): New.
582         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
583         * config/s390/s390.md ("sync_compare_and_swaphi",
584         "sync_compare_and_swapqi"): New pattern.
585
586 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
587
588         Fix PR tree-optimization/25291
589         * tree-ssa-operands.c (add_call_clobber_ops): Remove
590         redundant and crashing check.
591
592 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
593
594         PR target/25212
595         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
596         tests further when !strict && reload_in_progress.
597         (print_operand): Check that both operands of indexed address are regs.
598         (print_operand_address): Likewise.
599         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
600         (INT_REG_OK_FOR_BASE_P): Correct.
601
602 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
603
604         Preparation for PR rtl-optimization/20070 / part1
605         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
606         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
607         outgoing_edges_match.
608         (outgoing_edges_match): Use condjump_equiv_p.
609         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
610         into..
611         * struct-equiv.c: New file.
612         (death_notes_match_p) New function, broken out of insns_match_p.
613         * Makefile.in (OBJS-common): Add struct-equiv.o.
614         (struct-equiv.o): New target.
615
616 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
617
618         * coretypes.h: Revert previous change.
619         * config/darwin.h: Revert previous reversion.
620         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
621
622 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
623
624         * coretypes.h (section): Provide dummy definition for target files.
625         * config/darwin.h: Revert previous change.
626
627 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
628
629         * doc/sourcebuild.texi (all.build, install-normal): Remove.
630         * configure.ac: Remove all.build and install-normal from target_list
631         * configure: Regenerate.
632         * Makefile.in (install): Don't depend on install-normal.
633
634 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
635
636         * Makefile.in: Document the use of stamps.
637
638 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
639
640         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
641         * Makefile.in: Add code to compute some dependencies on s-gtype
642         automatically.  Remove the declaration of those dependencies.
643
644 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
645
646         * gcc/reload.c (push_secondary_reload): Fix typo:
647         s/insn_constraint/scratch_constraint/.
648
649 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
650
651         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
652
653 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
654
655         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
656         (alpha_elf_select_rtx_section): Return the selected section rather
657         than emitting assembly code.
658         (alpha_write_linkage): Emit a ".link" directive directly and then
659         set in_section to NULL.
660         (vms_asm_out_constructor): Use switch_to_section.
661         (vms_asm_out_destructor): Likewise.
662         (unicosmk_output_common): Set in_section to NULL instead of calling
663         the dummy common_section function.
664         (unicosmk_text_section): Delete in favor of...
665         (unicosmk_output_text_section_asm_op): ...this new function.
666         (unicosmk_data_section): Delete in favor of...
667         (unicosmk_output_data_section_asm_op): ...this new function.
668         (unicosmk_init_sections): New function.
669         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
670         (unicosmk_output_ssib): Set in_section to NULL instead of calling
671         the dummy ssib_section function.
672         (unicosmk_section_buf): Delete.
673         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
674         (unicosmk_data_section): Delete.
675         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
676         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
677         (SECTION_FUNCTION_TEMPLATE): Delete.
678         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
679         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
680         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
681         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
682         (TARGET_ASM_INIT_SECTIONS): Define.
683         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
684         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
685         (link_section, literals_section): Delete.
686         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
687         set in_section to NULL.
688
689         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
690         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
691         (COMMON_SECTION): Delete.
692         (TARGET_ASM_INIT_SECTIONS): Define.
693         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
694         the dummy common_section function.
695         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
696         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
697         between readonly_data_section and text_section to check whether
698         read-only data is being put in the text section.
699         (arm_output_function_epilogue): Use switch_to_section.
700         (arm_elf_asm_constructor): Likewise.
701         (thumb_call_via_reg): Replace call to in_text_section with
702         a comparison between in_section and text_section.
703         (arm_file_end): Use switch_to_section.
704         (aof_text_section): Delete in favor of...
705         (aof_output_text_section_asm_op): ...this new function.
706         (aof_data_section): Delete in favor of...
707         (aof_output_data_section_asm_op): ...this new function.
708         (aof_asm_init_sections): New function.
709         (zero_init_section): Moved from config/arm/aof.h.
710         (aof_dump_imports, aof_file_start): Use switch_to_section.
711         * config/arm/arm.h (thumb_call_via_label): Update comment.
712         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
713         (common_section): Delete.
714         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
715         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
716         global switch_to_section function instead of the old port-local one.
717         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
718         (SWITCH_TO_SECTION_FUNCTION): Delete.
719         (drectve_section): Redefine as a macro.
720         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
721         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
722         switch_to_section.
723
724         * config/avr/avr.c (progmem_section): New variable.
725         (avr_output_progmem_section_asm_op): New function.
726         (avr_asm_init_sections): New function.
727         (avr_output_addr_vec_elt): Use switch_to_section.
728         * config/avr/avr.h (progmem_section): Declare.
729         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
730         (READONLY_DATA_SECTION): Delete.
731         (TARGET_ASM_INIT_SECTIONS): Define.
732         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
733         * config/avr/avr-protos.h (progmem_section): Delete.
734
735         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
736
737         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
738         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
739
740         * config/darwin-sections.def: New file.
741         * config/darwin.c: Define all sections in darwin-sections.def.
742         (output_objc_section_asm_op, darwin_init_sections): New functions.
743         (machopic_output_indirection): Use switch_to_section.
744         (machopic_select_section): Return the selected section rather than
745         emitting assembly code.  Replace the static function table with
746         inline conditional expressions.  Update the tests of last_text_section
747         and move them into the FUNCTION_DECL block.
748         (machopic_select_rtx_section): Return the selected section rather than
749         emitting assembly code.
750         (machopic_asm_out_constructor, machopic_asm_out_destructor)
751         (darwin_file_end): Use switch_to_section.
752         * config/darwin.h: Use darwin-sections.def to declare sections.
753         (INIT_SECTION_ASM_OP): Remove empty definition.
754         (HAS_INIT_SECTION): Define this instead.
755         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
756         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
757         (TARGET_ASM_EH_FRAME_SECTION): Delete.
758         (TARGET_ASM_INIT_SECTIONS): Define.
759         * config/darwin-protos.h (darwin_init_sections): Declare.
760         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
761         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
762         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
763         (constructor_section, destructor_section, mod_init_section): Delete.
764         (mod_term_section): Delete.
765         (darwin_exception_section, darwin_eh_frame_section): Delete.
766         (machopic_select_section): Return a section.
767         (machopic_select_rtx_section): Likewise.
768         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
769         (const_section, const_coal_section, const_data_section): Delete.
770         (const_data_coal_section, data_coal_section, cstring_section): Delete.
771         (literal4_section, literal8_section, constructor_section): Delete.
772         (mod_init_section, mod_term_section, destructor_section): Delete.
773         (objc_class_section, objc_meta_class_section, objc_category_section)
774         (objc_class_vars_section, objc_instance_vars_section): Delete.
775         (objc_cls_meth_section, objc_inst_meth_section): Delete.
776         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
777         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
778         (objc_symbols_section, objc_module_info_section): Delete.
779         (objc_image_info_section, objc_protocol_section): Delete.
780         (objc_string_object_section, objc_constant_string_object_section)
781         (objc_class_names_section, objc_meth_var_names_section): Delete.
782         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
783         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
784         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
785         (darwin_exception_section, darwin_eh_frame_section): Delete.
786         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
787
788         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
789         (frv_asm_out_destructor): Likewise.
790         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
791         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
792         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
793         get_named_section.
794         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
795         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
796         (data_section): Delete.
797
798         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
799         (DRECTVE_SECTION_FUNCTION): Delete.
800         (drectve_section): Redefine as a macro that sets in_section after
801         emitting the directive.
802         (SWITCH_TO_SECTION_FUNCTION): Delete.
803         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
804         in_text_section with comparison between in_section and text_section.
805         * config/i386/i386.c (x86_64_elf_select_section): Return the section
806         rather than emitting assembly code.  Use get_named_section.
807         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
808         get_named_section.
809         (machopic_output_stub): Use switch_to_section.
810         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
811         (nwld_named_section_asm_out_destructor): Use get_section and
812         switch_to_section.
813
814         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
815         rather than emitting assembly code.
816         (ia64_rwreloc_select_section): Likewise.
817         (ia64_rwreloc_select_rtx_section): Likewise.
818         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
819         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
820         switch_to_section.
821         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
822         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
823
824         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
825         section rather than emitting assembly code.
826         (iq2000_select_section): Likewise.
827         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
828         (sbss_section): Delete.
829
830         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
831         and get_named_section.
832         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
833
834         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
835         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
836         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
837         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
838         in_section to NULL.
839         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
840         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
841         global switch_to_section function instead of the old port-local one.
842         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
843         (SWITCH_SECTION_FUNCTION): Delete.
844         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
845         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
846         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
847         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
848         in_section to NULL.
849         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
850         global switch_to_section function instead of the old port-local one.
851         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
852
853         * config/mips/mips.c (mips_file_start): Update comment.
854         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
855         (mips_output_aligned_decl_common): Use switch_to_section.
856         (mips_select_rtx_section): Return the section rather than emitting
857         assembly code.  Use get_named_section.
858         (mips_function_rodata_section: Likewise get_section.
859         (build_mips16_function_stub): Use switch_to_section.
860         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
861         (SDATA_SECTION_ASM_OP): Delete.
862         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
863         (EXTRA_SECTION_FUNCTIONS): Delete.
864
865         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
866         (mmix_asm_output_aligned_local): Use switch_to_section.
867
868         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
869         (som_one_only_readonly_data_section): New variables.
870         (pa_output_function_epilogue): Set in_section to NULL instead of
871         calling forget_section.
872         (output_deferred_plabels): Use select_section.
873         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
874         of calling forget_section.
875         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
876         (pa_asm_output_aligned_local): Use select_section.
877         (som_text_section_asm_op): Delete in favor of...
878         (som_output_text_section_asm_op): ...this new function.
879         (pa_som_asm_init_sections): New function.
880         (pa_select_section): Return the section rather than emitting
881         assembly code.
882         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
883         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
884         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
885         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
886         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
887         (som_readonly_data_section, som_one_only_readonly_data_section)
888         (som_one_only_data_section, forget_section): Delete.
889         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
890         (TARGET_ASM_INIT_SECTIONS): Define.
891         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
892
893         * config/rs6000/rs6000.c (read_only_data_section): New variable.
894         (private_data_section, read_only_private_data_section): New variables.
895         (sdata2_section, toc_section): New variables.
896         (rs6000_file_start): Use switch_to_section.
897         (rs6000_assemble_integer): Use comparisons against in_section
898         instead of calling in_toc_section and in_text_section.  Use
899         unlikely_text_section_p.
900         (rs6000_elf_output_toc_section_asm_op): New function, derived
901         from the old rs6000/sysv4.h toc_section function.
902         (rs6000_elf_asm_init_sections): New function.
903         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
904         the section rather than emitting assembly code.
905         (machopic_output_stub): Use switch_to_section.
906         (toc_section): Delete dummy function.
907         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
908         switch_to_section and get_section.
909         (rs6000_xcoff_output_readonly_section_asm_op): New function.
910         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
911         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
912         the old rs6000/xcoff.h toc_section function.
913         (rs6000_xcoff_asm_init_sections): New function.
914         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
915         the section rather than emitting assembly code.
916         (rs6000_xcoff_file_start): Use switch_to_section.
917         (rs6000_xcoff_file_end): Likewise.
918         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
919         (sdata2_section, sbss_section, private_data_section): Delete.
920         (read_only_data_section, read_only_private_data_section): Delete.
921         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
922         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
923         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
924         (FINI_SECTION_FUNCTION): Delete.
925         (TARGET_ASM_INIT_SECTIONS): Define.
926         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
927         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
928         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
929         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
930         (READONLY_DATA_SECTION): Delete.
931         (TARGET_ASM_INIT_SECTIONS): Define.
932         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
933         to NULL rather than no_section.
934         (TARGET_ASM_EXCEPTION_SECTION): Delete.
935
936         * config/sh/sh.c (sh_file_start): Use switch_to_section.
937
938         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
939         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
940         from call to current_function_section.
941
942         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
943         (bss100_section): New variable.
944         (xstormy16_asm_output_aligned_common): Use switch_to_section.
945         (xstormy16_asm_init_sections): New function.
946         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
947         switch_to_section and get_section.
948         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
949         from calls to current_function_section.
950         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
951         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
952         (TARGET_ASM_INIT_SECTIONS): Define.
953         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
954
955         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
956         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
957         (FINI_SECTION_FUNCTION): Delete.
958
959         * config/v850/v850.c: Include gt-v850.h.
960         (rosdata_section, rozdata_section, tdata_section, zdata_section)
961         (zbss_section): New variables.
962         (v850_output_aligned_bss): Use switch_to_section.
963         (v850_asm_init_sections): New function.
964         (v850_select_section): Return the section rather than emitting
965         assembly code.
966         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
967         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
968         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
969         (TARGET_ASM_INIT_SECTIONS): Define.
970         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
971         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
972         (zbss_section): Delete.
973
974         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
975
976         * config/vx-common.h (vxworks_exception_section): Delete.
977         (TARGET_ASM_EXCEPTION_SECTION): Delete.
978
979         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
980         section rather than emitting assembly code.
981         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
982         switch_to_section.
983
984         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
985         * coretypes.h (section): New union and typedef.
986         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
987         from call to current_function_section.
988         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
989         (dbxout_symbol_location): Use switch_to_section.
990         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
991         most of the code into...
992         (default_eh_frame_section): ...here.  Return a section.
993         (collect2_eh_frame_section): Delete, moving most of the code into..
994         (switch_to_eh_frame_section): ...this new function.
995         (debug_info_section, debug_abbrev_section, debug_aranges_section)
996         (debug_macinfo_section, debug_line_section, debug_loc_section)
997         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
998         variables.
999         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1000         eh_frame_section.  Use switch_to_section and get_section.
1001         (dwarf2out_begin_prologue): Use switch_to_section.
1002         (AT_string_form): Check the flags in debug_str_section instead of
1003         DEBUG_STR_SECTION_FLAGS.
1004         (output_comp_unit): Use switch_to_section, get_section, and
1005         debug_info_section.
1006         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1007         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1008         from call to current_function_section.
1009         (dwarf2out_var_location): Use unlikely_text_section_p.
1010         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1011         from call to current_function_section.
1012         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1013         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1014         debug_macinfo_section.
1015         (dwarf2out_init): Initialize the new section variables.  Use them
1016         instead of calls to named_section_flags.  Use switch_to_section.
1017         (output_indirect_string): Use switch_to_section and debug_str_section.
1018         (dwarf2out_finish): Use switch_to_section and the new section
1019         variables.
1020         * except.c (default_exception_section): Return the section instead
1021         of emitting assembly code.
1022         (output_function_exception_table): Use the global exception_section
1023         variable instead of the target hook.  Use switch_to_section.  Remove
1024         argument from call to current_function_section.
1025         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1026         (shorten_branches): Use pointer comparisons to detect whether the
1027         text section is the same as readonly_data_section.
1028         (profile_function): Use switch_to_section.  Remove argument from
1029         call to current_function_section.
1030         (final_scan_insn): Likewise.  Update use of last_text_section.
1031         * gengtype.c (open_base_files): Add an include of output.h.
1032         * output.h (text_section, data_section, readonly_data_section)
1033         (ctors_section, dtors_section, bss_section, init_section)
1034         (fini_section, sdata_section): Turn into section pointers.
1035         (in_text_section, in_unlikely_text_section, exports_section)
1036         (drectve_section, named_section, mergeable_string_section)
1037         (last_text_section_name): Delete.
1038         (default_exception_section, default_eh_frame_section): Return sections.
1039         (SECTION_DECLARED, SECTION_NAMED): New macros.
1040         (SECTION_MACH_DEP): Bump value.
1041         (section_common, named_section, unnamed_section): New structures.
1042         (unnamed_section_callback): New typedef.
1043         (section): New union.
1044         (sbss_section, exception_section, eh_frame_section): New variables.
1045         (in_section, last_text_section): Turn into section pointers.
1046         (get_unnamed_section, get_section, get_named_section): New functions.
1047         (mergeable_constant_section, function_section): Return a section.
1048         (unlikely_text_section): Likewise.
1049         (current_function_section): Likewise.  Remove the decl argument.
1050         (unlikely_text_section_p, switch_to_section): New functions.
1051         (output_section_asm_op): New function.
1052         (set_named_section_flags, named_section_flags, named_section_real)
1053         (named_section_first_declaration): Delete.
1054         (default_select_section, default_elf_select_section): Return a section.
1055         (default_elf_select_section_1, default_function_rodata_section)
1056         (default_no_function_rodata_section, default_select_rtx_section)
1057         (default_elf_select_rtx_section): Likewise.
1058         * rtl.h (in_data_section): Delete.
1059         * sdbout.c (sdbout_one_type): Use switch_to_section.
1060         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1061         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1062         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1063         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1064         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1065         (TARGET_ASM_OUT): Update after above changes.
1066         * target.h (init_sections): New hook.
1067         (exception_section, eh_frame_section): Delete.
1068         (select_section, select_rtx_section, function_rodata_section): Return
1069         a section rather than emitting assembly code.
1070         * varasm.c (text_section, data_section, readonly_data_section)
1071         (ctors_section, dtors_section, bss_section, init_section)
1072         (fini_section): Turn into section pointers.
1073         (sdata_section, sbss_section, exception_section): New variables.
1074         (eh_frame_section): New variable.
1075         (in_section): Make global and turn into a section pointer.
1076         (last_text_section): Turn into a section pointer.
1077         (unnamed_sections): New variable.
1078         (in_named_name, last_text_section_name): Delete.
1079         (EXTRA_SECTION_FUNCTIONS): Delete.
1080         (in_named_entry): Delete.
1081         (section_htab): New variable, replacing...
1082         (in_named_htab): ...this deleted variable.
1083         (section_entry_eq, section_entry_hash): New functions, based on...
1084         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1085         (get_unnamed_section, get_section): New functions.
1086         (unlikely_text_section): Return a section instead of emitting
1087         assembly code.
1088         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1089         (get_named_section_flags, named_section_first_declaration): Delete.
1090         (unlikely_text_section_p): New function.
1091         (named_section_real, named_section): Delete.
1092         (get_named_section): New function.
1093         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1094         (function_section): Return a section rather than emitting
1095         assembly code.
1096         (current_function_section): Likewise.  Remove argument.  Use
1097         last_text_section if nonnull, otherwise use function_section.
1098         (default_function_rodata_section): Return a section rather than
1099         emitting assembly code.  Use get_section.
1100         (default_no_function_rodata_section): Return a section rather than
1101         emitting assembly code.
1102         (variable_section): Use switch_to_section and get_named_section.
1103         (mergeable_string_section): Return a section rather than emitting
1104         assembly code.  Use get_section.  Make static.  Don't take special
1105         countermeasures for empty strings.
1106         (mergeable_constant_section): Return a section rather than emitting
1107         assembly code.  Use get_section.
1108         (default_named_section_asm_out_destructor): Use switch_to_section
1109         and get_section.
1110         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1111         (default_named_section_asm_out_constructor): Use switch_to_section
1112         and get_section.
1113         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1114         (assemble_start_function): Likewise.  Set last_text_section to
1115         NULL rather than no_section.  Change the type of save_section.
1116         (assemble_zeros, assemble_variable): Use the section flags to detect
1117         whether or not a section is text.
1118         (assemble_static_space): Use switch_to_section.
1119         (assemble_trampoline_template): Likewise.
1120         (output_constant_def_contents): Use switch_to_section and
1121         get_named_section.
1122         (output_constant_pool_1): Use switch_to_section.  Use the section
1123         flags to see whether sections contain mergeable data.
1124         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1125         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1126         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1127         whether a section has already been declared.
1128         (default_select_section, default_elf_select_section): Return a
1129         section rather than emitting assembly code.
1130         (default_elf_select_section_1): Likewise.  Use bss_section for
1131         SECCAT_BSS if nonnull.  Use get_named_section.
1132         (default_select_rtx_section): Return a section rather than
1133         emitting assembly code.
1134         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1135         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1136         (output_section_asm_op, switch_to_section): New functions.
1137         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1138         get_named_section.
1139
1140         * doc/tm.texi: Expand the introduction to the sections documentation.
1141         (TRAMPOLINE_SECTION): Document new interface.
1142         (SDATA_SECTION_ASM_OP): Document new macro.
1143         (READONLY_DATA_SECTION): Delete.
1144         (SDATA_SECTION_ASM_OP): Document new macro.
1145         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1146         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1147         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1148         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1149         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1150
1151 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1152
1153         * gcc.c (init_gcc_specs): Match braces inside conditionally
1154         compiled strings.
1155
1156 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1157
1158         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1159
1160 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1161
1162         PR C++/24138
1163         * tree.c (integer_all_onesp): Always return true if all bits on.
1164
1165         * testsuite/g++.dg/init/array0.C: New.
1166
1167 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1168
1169         * doc/md.texi: Adapt to implementation.
1170
1171 2005-12-06  Andreas Schwab  <schwab@suse.de>
1172
1173         * opts.c (decode_options): Fix typo in message.
1174
1175 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1176
1177         PR other/13873
1178         * longlong.h: Merge PPC tests from upstream.
1179
1180 2005-12-06  Richard Guenther  <rguenther@suse.de>
1181
1182         * fold-const.c (fold_convert): Do not build and fold
1183         CONVERT_EXPR, but always use NOP_EXPR.
1184
1185 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1186
1187         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1188         __builtin_ia32_paddq and __builtin_ia32_subq.
1189         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1190         __builtin_ia32_pshufw.
1191         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1192
1193 2005-12-05  James E Wilson  <wilson@specifix.com>
1194
1195         PR target/24934
1196         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1197         is set.
1198
1199 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1200         
1201         * print-tree.c (print_node): Ditto.
1202         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1203         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1204         before accessing DECL_ARTIFICIAL. 
1205         Handle new tag tree codes.
1206         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1207         changes.
1208         (unmodifiable_var_p): Ditto.
1209         * tree-flow.h (mem_tag_kind): Remove.
1210         (struct var_ann_d): Remove mem_tag_kind member.
1211         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1212         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1213         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1214         (group_aliases): Ditto.
1215         (setup_pointers_and_addressables): Ditto.
1216         (is_escape_site): Ditto.                                          
1217         (may_alias_p): Ditto.
1218         (create_tag_raw): New function.
1219         (create_memory_tag): Use it.
1220         (dump_alias_info): Update for tags.
1221         (may_be_aliased): Ditto.
1222         (add_type_alias): Ditto.
1223         (new_type_alias): Ditto.
1224         (create_sft): Ditto.
1225         (create_structure_vars): Ditto.
1226         * tree-ssa-ccp.c (get_default_value): Ditto.
1227         * tree-ssa-operands.c (get_expr_operands): Ditto.
1228         (add_stmt_operand): Ditto.
1229         (add_call_clobber_ops): Remove duplicated condition.
1230         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1231         tags.
1232         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1233         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1234         * tree.c (init_ttree): Update structures for new tree codes.
1235         (tree_code_size): Update sizes for new tree codes.
1236         (make_node_stat): Don't try to set common things on minimal
1237         structures.
1238         (tree_node_structure): Update for tags.
1239         (is_global_var): Ditto.
1240         * tree.def: Add new tree codes.
1241         * tree.h (MTAG_P): New macro.
1242         (TREE_MEMORY_TAG_CHECK): Ditto.
1243         (SSA_VAR_P): Update for tags.
1244         (struct tree_memory_tag): New structure.
1245         (MTAG_GLOBAL): New macro.
1246         (union tree_node): Add memory tag member.
1247         * treestruct.def (TS_MEMORY_TAG): New.
1248         
1249 2005-12-05  Dale Johannesen  <dalej@apple.com>
1250
1251         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1252         what was approved (PR 24323).
1253
1254 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1255
1256         * doc/c-tree.texi (Function Bodies): Remove description of
1257         RETURN_INIT.
1258
1259 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1260
1261         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1262         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1263         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1264         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1265         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1266         __divxc3): Document.
1267
1268 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1269
1270         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1271         previous behaviour.
1272         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1273         hook_bool_void_false.
1274         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1275         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1276
1277         * config/darwin.c (machopic_select_section): It's not defined
1278         as weak if it's only marked as weak_import.
1279         
1280         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1281         Prototype.
1282
1283         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1284         A hidden weak object does bind locally.  Strong linkonce data
1285         counts like any other strong symbol for binding.
1286         (weak_finish_1): Don't specially handle weakrefs, they no longer
1287         arrive here.
1288         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1289         * c-common.c (handle_alias_attribute): Allow static aliases
1290         of variables.
1291         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1292         * gthr-dce.h: Make weakrefs static.
1293         * gthr-tpf.h: Likewise.
1294         * gthr-solaris.h: Likewise.
1295         * gthr-posix.h: Likewise.
1296         * gthr-posix95.h: Likewise.
1297         * config/darwin.c (darwin_encode_section_info): static weakref
1298         variables are not necessarily defined in this translation unit.
1299         * doc/extend.texi (Function Attributes): Mention that an alias
1300         attribute creates a definition for the thing it's attached to.
1301         Change the documentation for weakref to say that the thing
1302         it's attached to must be static.
1303
1304         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1305         we don't go into an infinite loop.
1306
1307 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1308
1309         * config/rs6000/predicates.md (logical_const_operand): Split
1310         out of logical_operand.
1311         (logical_operand): Use it.
1312         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1313         logical_const_operand.
1314
1315 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1316
1317         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1318         and IX86_BUILTIN_CMPNESS.
1319         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1320         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1321         * config/i386/i386.md (movti_internal): Correct type attribute.
1322         Simplify mode attribute.
1323         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1324         Correct type attribute.
1325         (absxf2): Correct operator.
1326         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1327         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1328         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1329         mode attribute.
1330         (sse2_vmsqrtv2df2): Correct mode attribute.
1331
1332 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1333
1334         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1335         16 bits. Provide insn pattern for this case.
1336
1337 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1338
1339         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1340         result.
1341         (__popcountDI2): Likewise.
1342
1343 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1344
1345         PR target/25166
1346         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1347         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1348         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1349         functions.
1350
1351 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1352
1353         * c-typeck.c (null_pointer_constant_p): New function.
1354         (build_conditional_expr, build_c_cast, convert_for_assignment,
1355         build_binary_op): Use it.
1356
1357 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1358
1359         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1360         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1361         CONVERT_EXPR.
1362         (check_function_arguments_recurse): Allow both NOP_EXPR and
1363         CONVERT_EXPR but check conversions preserve precision.
1364         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1365         but check conversions preserve precision.
1366         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1367         default case.
1368
1369 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1370
1371         PR c/7776
1372         * common.opt (Wstring-literal-comparison): New command line option.
1373         * c-opts.c (c_common_handle_option): Set it with -Wall.
1374         * c-typeck.c (parser_build_binary_op): Issue warning if either
1375         operand of a comparison operator is a string literal, except for
1376         testing equality or inequality against NULL.
1377
1378         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1379
1380 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1381
1382         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1383         of building a NOP_EXPR.
1384         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1385         NOP_EXPR.
1386         * c-convert.c (convert): Use fold_convert instead of building
1387         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1388         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1389         #if 0 code.
1390         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1391         NOP_EXPR the same as CONVERT_EXPR.
1392         * c-typeck.c (build_function_call): Use fold_convert instead of
1393         building a NOP_EXPR directly.
1394         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1395
1396 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1397
1398         PR rtl-optimization/25197
1399         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1400         have a reg.
1401
1402 2005-12-02  Stuart Hastings  <stuart@apple.com>
1403
1404         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1405         warning.
1406
1407 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1408
1409         * c-typeck.c (default_function_array_conversion,
1410         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1411         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1412         orig_op2.  Don't check them for NOP_EXPR.
1413         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1414         around integer zero.
1415
1416 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1417
1418         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1419         toc_save_offset, toc_size, lr_size.
1420         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1421         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1422         Adjust for removal of unused rs6000_stack_t fields.
1423         (debug_stack_info): Adjust.
1424         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1425         first, and don't bother checking for set/inc of lr on sibcalls.
1426         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1427
1428 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR target/25199
1431         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1432         5 if operand 1 is not aligned.  Undo previous constraint change.
1433         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1434
1435 2005-12-02  Richard Guenther  <rguenther@suse.de>
1436
1437         * tree.h (build): Remove prototype.
1438         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1439         * tree.c (build): Remove.
1440         (build0_stat): Update comment.
1441
1442 2005-12-02  Richard Guenther  <rguenther@suse.de>
1443
1444         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1445         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1446         Likewise.
1447         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1448         maybe_fold_offset_to_component_ref): Likewise.
1449         * tree-ssa-dom.c (thread_across_edge,
1450         simplify_rhs_and_lookup_avail_expr,
1451         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1452         Likewise.
1453         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1454         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1455         lower_try_finally_switch): Likewise.
1456         * tree-if-conv.c (add_to_dst_predicate_list,
1457         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1458         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1459         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1460         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1461         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1462         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1463         gimplify_init_ctor_eval, gimplify_init_constructor,
1464         gimplify_variable_sized_compare, gimplify_boolean_expr,
1465         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1466         gimplify_expr, gimplify_body, gimplify_function_tree,
1467         force_gimple_operand): Likewise.
1468         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1469         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1470         mx_register_decls): Likewise.
1471         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1472         get_frame_field, finalize_nesting_tree_1): Likewise.
1473         * tree-inline.c (setup_one_parameter): Likewise.
1474         * tree-vect-transform.c (vectorizable_condition): Likewise.
1475         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1476         Likewise.
1477         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1478         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1479         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1480         * tree-chrec.h (build_polynomial_chrec): Likewise.
1481
1482 2005-12-02  Richard Guenther  <rguenther@suse.de>
1483
1484         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1485         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1486         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1487         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1488         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1489         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1490         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1491         Likewise.
1492         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1493         sh_adjust_unroll_max): Likewise.
1494         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1495         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1496         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1497         Likewise.
1498         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1499         Likewise.
1500         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1501         Likewise.
1502
1503 2005-12-02  Richard Guenther  <rguenther@suse.de>
1504
1505         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1506         simplify_cond_using_ranges): Use buildN instead of build.
1507         * tree-tailcall.c (adjust_accumulator_values,
1508         adjust_return_value): Likewise.
1509         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1510         generate_element_copy, generate_element_zero,
1511         generate_one_element_init): Likewise.
1512         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1513         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1514         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1515         perfect_nestify): Likewise.
1516
1517 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1518
1519         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1520
1521 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1522
1523         * ggc.h (GGC_RESIZEVEC): New.
1524
1525 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1526
1527         * gcc.c (execute): Improve readability.
1528
1529 2005-12-02  Richard Guenther  <rguenther@suse.de>
1530
1531         * tree-cfg.c (mark_used_vars): New function.
1532         (dump_function_to_file): Dump only used VAR_DECLs.
1533
1534 2005-12-02  Richard Guenther  <rguenther@suse.de>
1535
1536         * convert.c (convert_to_integer): Fix compare for nonpositive
1537         constant to use tree_int_cst_sgn <= 0.
1538
1539 2005-12-02  Richard Guenther  <rguenther@suse.de>
1540
1541         * convert.c (convert_to_integer): Use fold_convert instead
1542         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1543         instead of comparing against 0.  Use build_int_cst instead
1544         of converting integer_zero_node.
1545
1546 2005-12-02  Richard Guenther  <rguenther@suse.de>
1547
1548         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1549         and RROTATE_EXPR.
1550  
1551 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1552
1553         PR target/21017
1554         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1555         rotates.
1556
1557 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1558
1559         PR middle-end/25176
1560         * function.c (expand_function_end): Emit blockage for unwinder
1561         after return label.
1562
1563 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1564
1565         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1566         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1567         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1568         integer constant comparisons.
1569
1570 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1571             Janis Johnson  <janis187@us.ibm.com>
1572             David Edelsohn  <dje@watson.ibm.com>
1573             Ben Elliston  <bje@au.ibm.com>
1574
1575         * dfp.h, dfp.c: New files.
1576         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1577         (DECNUM_H): Likewise.
1578         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1579         (INCLUDES): Append $(DECNUMINC).
1580         (OBJS-common): Add dfp.o.
1581         (dfp.o): New rule.
1582         * real.h (EXP_BITS): Pinch one bit to ..
1583         (struct real_value): Add decimal field.
1584         (real_format): Change table size, update documentation.
1585         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1586         (real_from_string3): Declare.
1587         (decimal_single_format): Declare.
1588         (decimal_double_format): Declare.
1589         (decimal_quad_format): Declare.
1590         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1591         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1592         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1593         * real.c: Include dfp.h.
1594         (normalize): Early return for decimal floats.
1595         (do_add): Zero decimal field.
1596         (do_compare): Call do_decimal_compare for decimal floats.
1597         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1598         (real_arithmetic): Call decimal_real_arithmetic for decimal
1599         floating point operands.
1600         (real_identical): If a and b are of differing radix, return false.
1601         (real_to_integer): Call decimal_real_to_integer if the value is a
1602         decimal float.
1603         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1604         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1605         (real_to_hexadecimal): Place "N/A" in the return string for
1606         decimal float.
1607         (real_from_string3): New variant, given a mode.
1608         (real_maxval): Use decimal_real_maxval for decimal floats.
1609         (round_for_format): Use decimal_round_for_format for decimals.
1610         (real_convert): Use decimal_real_convert where appropriate.
1611         (significand_size): Handle base 10.
1612         (encode_decimal_single, decode_decimal_single,
1613         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1614         decode_decimal_quad): New functions.
1615         (decimal_single_format): New.
1616         (decimal_double_format): New.
1617         (decimal_quad_format): New.
1618         * machmode.def: Add SD, DD and TD decimal floating point modes.
1619         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1620         Include MODE_DECIMAL_FLOAT.
1621         (DECIMAL_FLOAT_MODE_P): New.
1622         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1623         * genmodes.c (struct mode_data): Add counter field.
1624         (struct mode_data): Update comment for format.
1625         (blank_mode): Initialise counter field.
1626         (new_mode): Increment counter field for each mode defined.
1627         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1628         using a format.
1629         (make_complex_modes): Handle modes containing `D'.
1630         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1631         (make_decimal_float_mode): New.
1632         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1633         (cmp_modes): Compare counter field if other characteristics
1634         similar.
1635         (emit_real_format_for_mode): Support formats for decimal floats.
1636         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1637         Document MODE_DECIMAL_FLOAT.
1638
1639 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1640
1641         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1642         Delete dead code.
1643
1644 2005-12-01  Richard Henderson  <rth@redhat.com>
1645
1646         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1647
1648 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1649
1650         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1651
1652         * config/pa/pa.c (pa_init_builtins): If we detect
1653         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1654         putc_unlocked.
1655
1656 2005-12-01  Richard Guenther  <rguenther@suse.de>
1657
1658         * fold-const.c (fold_binary): Use fold_build2, not
1659         fold (build (...)).
1660
1661 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1662
1663         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1664
1665         * vec.h (VEC_block_remove): New.
1666
1667 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1668
1669         PR c/13384
1670         * c-common.c (lvalue_error): Fix wording.
1671
1672 2005-12-01  Richard Guenther  <rguenther@suse.de>
1673
1674         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1675         thinko in last patch.
1676
1677 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1678
1679         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1680         than -flat_namespace.
1681
1682 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1683
1684         * mklibgcc.in: Parameterise the script to build soft float
1685         functions by iterating over each type, rather than cloning the
1686         code for each type.
1687
1688 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1689
1690         PR middle-end/25158
1691         * builtins.c (fold_builtin_fputs): Defer check for missing
1692         replacement functions.
1693
1694 2005-11-30  Kean Johnston  <jkj@sco.com>
1695
1696         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1697         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1698
1699 2005-11-30  Richard Guenther  <rguenther@suse.de>
1700
1701         PR tree-optimization/22501
1702         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1703         function split out from ...
1704         (forward_propagate_addr_expr): ... here.  Use it to propagate
1705         ADDR_EXPRs to all uses.
1706
1707 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1708
1709         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1710         * builtins.c (expand_builtin_mathfn): Use them.
1711         (expand_builtin_mathfn_2): Likewise.
1712         (expand_builtin_mathfn_3): Likewise.
1713         (expand_builtin_int_roundingfn): Likewise.
1714         (expand_builtin): Likewise.
1715         (integer_valued_real_p): Likewise.
1716         (fold_builtin_int_roundingfn): Likewise.
1717         (fold_builtin_bitop): Likewise.
1718         (fold_builtin_logarithm): Likewise.
1719         (fold_builtin_1): Likewise.
1720         * convert.c (convert_to_integer): Likewise.
1721         * fold-const.c (negate_mathfn_p): Likewise.
1722         (tree_expr_nonnegative_p): Likewise.
1723
1724 2005-11-30  Dale Johannesen  <dalej@apple.com>
1725             Andrew Pinski  <pinskia@physics.uc.edu>
1726
1727         * combine.c (find_split_point):  Sign extend bitmask
1728         when changing bitfield assignment to IOR of AND.
1729
1730 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1731
1732         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1733         clobber to scratch reg.
1734         (*decrement_and_branch_until_zero_no_clobber): Remove.
1735         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1736         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1737         * config/ms1/ms1.opt (mmul): Remove.
1738         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1739         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1740
1741 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1742             Bernd Schmidt  <bernd.schmidt@analog.com>
1743
1744         * pa/predicates.md (symbolic_operand): Add comment.
1745         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1746         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1747         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1748         (pa_secondary_reload_class): Delete.
1749         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1750         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1751         copy of symbolic operand.
1752         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1753
1754 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1755
1756         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1757         jump.
1758
1759 2005-11-30  Jeff Law  <law@redhat.com>
1760
1761         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1762         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1763
1764 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1765
1766         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1767         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1768         (ia64_expand_move): Adjust caller.
1769
1770         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1771         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1772         negate VAL.
1773
1774 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1775
1776         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1777         Always produce an output if we can remove NEGs or canonicalize
1778         (minus (minus ...)) expressions.  Provide a fast path for the
1779         two-operand case.
1780         (simplify_gen_binary): Do not call simplify_plus_minus.
1781         (simplify_binary_operation_1): Reassociate at the end of the
1782         function.
1783
1784 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1785
1786         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1787         moves and unpack to speed up.
1788
1789 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1790
1791         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1792         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1793         (gen_v9_scc): Update callers.
1794         * config/sparc/sparc.md: Likewise.
1795         * config/sparc/sparc-protos.h: Update extern declaration.
1796
1797         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1798
1799 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1800
1801         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1802         the if.
1803
1804 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1805
1806         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1807         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1808         (negate_expr): Here.
1809
1810 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1811
1812         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1813         Fix typo in comment.
1814
1815 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1816
1817         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1818         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1819
1820 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1821
1822         PR middle-end/20109
1823         PR middle-end/25120
1824         * builtins.c (init_target_chars): New.
1825         (expand_builtin_printf, expand_builtin_fprintf,
1826         expand_builtin_sprintf, fold_builtin_sprintf,
1827         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1828         fold_builtin_snprintf_chk, fold_builtin_printf,
1829         fold_builtin_fprintf): Check for matching format strings using
1830         the target charset.
1831
1832 2005-11-29  Paul Brook  <paul@codesourcery.com>
1833
1834         * config.gcc: Do not use fixproto on m68k-elf.
1835
1836 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1837
1838         * expmed.c (div_cost): Replace with...
1839         (sdiv_cost, udiv_cost): New.
1840         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1841         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1842         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1843         (expand_divmod): Replace use of div_cost with either sdiv_cost
1844         or udiv_cost depending upon the signedness of the operation.
1845
1846 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1847
1848         PR libfortran/24991
1849         * config/darwin.c (machopic_indirection_name,
1850         machopic_output_indirection): Follow transparent alias chain.
1851
1852 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1853
1854         * varasm.c (ultimate_transparent_alias_target): Add comment.
1855
1856 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1857
1858         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1859         SET_SRC instead of XEXP where appropriate.
1860
1861 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1862
1863         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1864         __builtin_expect.
1865
1866 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1867
1868         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1869         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1870         bit at a time.
1871
1872 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1873
1874         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1875         secondary_input_reload_class, made static.  Adapt to new
1876         infrastructure.
1877         (secondary_output_reload_class): Delete.
1878         (TARGET_SECONDARY_RELOAD): New macro.
1879         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1880         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1881
1882 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1883
1884         PR c++/21166
1885         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1886         when its natural alignment is > BITS_PER_UNIT.
1887         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1888         * c-common.c (handle_packed_attribute): Ignore packing on a field
1889         whose type is naturally char aligned.
1890
1891 2005-11-28  Richard Guenther  <rguenther@suse.de>
1892
1893         * c-common.c (strict_aliasing_warning): Handle all
1894         component-ref like accesses.
1895
1896 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1897             Uros Bizjak  <uros@kss-loka.si>
1898
1899         PR middle-end/20219
1900         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1901         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1902         when flag_unsafe_math_optimizations is set and
1903         we don't care about NaNs or Infinities.
1904
1905         Move x/expN(y) and x/pow(y,z) transformation into common
1906         flag_unsafe_math_optimizations section.
1907
1908 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1909
1910         * gcc.c (main): Change type of argv to "char **".
1911
1912 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1913
1914         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1915         small data sections.
1916         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1917         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1918         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1919         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1920         output locals to sbss if !rs6000_elf_in_small_data_p.
1921         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1922
1923 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1924
1925         PR target/24997
1926         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1927         generated by reload.
1928         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1929         indexed_or_indirect_address.
1930         (indexed_or_indirect_address): Don't test for base reg.  Call
1931         address_operand last.  Make it a special predicate.
1932
1933 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1934
1935         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1936
1937 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1938
1939         PR middle-end/24575
1940         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1941         is undefined.
1942         (negate_expr): Likewise.
1943
1944 2005-11-27  Andreas Schwab  <schwab@suse.de>
1945
1946         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1947         redundant parens.
1948
1949 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1950
1951         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1952         has EH predecessor edges.
1953
1954 2005-11-26  Eric Christopher  <echristo@apple.com>
1955
1956         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1957         register stalls by zero extending to the full register.
1958
1959 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1960
1961         * config/floatunsisf.c, config/floatunsidf.c,
1962         config/floatunsixf.c, config/floatunsitf.c: New files.
1963         * config/ia64/t-hpux: Add floatunsitf.c.
1964         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1965         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1966
1967 2005-11-26  Richard Henderson  <rth@redhat.com>
1968
1969         * c-lex.c (pragma_lex): Rename from c_lex.
1970         * c-pch.c: Update for pragma_lex rename.
1971         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1972         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1973         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1974         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1975         * doc/tm.texi: Likewise.
1976
1977 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1978
1979         PR middle-end/23669
1980         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1981         when overflow is undefined.
1982
1983 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1984
1985         * doc/md.texi (Insn Canonicalizations): Refer to the
1986         function commutative_operand_precedence for further rules.
1987
1988 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1989
1990         PR middle-end/21309
1991         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1992         is less than zero.  Limit mult_cost to a reasonable upper bound for
1993         the synthetic multiplication sequence.
1994
1995 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1996
1997         PR middle-end/25022
1998         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1999         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2000         Lookup the explicit replacement functions for any unlocked
2001         stdio builtin transformations.
2002
2003 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2004
2005         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2006         earlyclobber.
2007         * targhooks.c (default_secondary_reload): Don't require operand 2
2008         for an input reload to be earlyclobber.
2009
2010 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2011
2012         * fold-const.c (negate_mathfn_p): Fix comment and add support
2013         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2014         BUILT_IN_ATANH.
2015
2016 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2017
2018         PR middle-end/24998
2019         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2020         _Q_ulltoq for unsigned conversions from SImode and DImode to
2021         TFmode.
2022
2023 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2024
2025         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2026         (__floatundidf, __floatundisf): Likewise.
2027
2028 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2029
2030         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2031         (rs6000_override_options): Remove initialization of
2032         rs6000_sr_alias_set.
2033         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2034         (rs6000_emit_stack_tie): Same.
2035         (emit_frame_save): Same.
2036         (gen_frame_mem_offset): Same.
2037         (rs6000_emit_prologue): Same.
2038         (rs6000_emit_epilogue): Same.
2039
2040 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2041
2042         PR middle-end/24989
2043         * fold-const.c (fold_build): Convert bool_var != 1 and
2044         bool_var == 0 to !bool_var.
2045
2046 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2047
2048         PR middle-end/24990
2049         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2050         for C being INTEGER_CST.  Likewise for !=.
2051
2052 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2053
2054         PR middle-end/24998
2055         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2056         unsigned conversions from SImode to TFmode.
2057
2058 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2059
2060         * expr.c (expand_expr_real_1): Fix error in last change.
2061
2062 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2063
2064         * caller-save.c: (this_insn_sets): Move into:
2065         (save_call_clobbered_regs).
2066         (mark_set_regs): Get this_insn_sets from data.
2067
2068         (save_call_clobbered_regs): Take sets of the return value by
2069         sibcalls into account.
2070
2071 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2072         PR target/21623:
2073
2074         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2075         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2076         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2077         (memory_move_secondary_cost, init_reg_autoinc): Remove
2078         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2079         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2080         secondary_reload_class call.
2081         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2082         callers.
2083         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2084         (push_secondary_reload): Use secondary_reload target hook.
2085         (secondary_reload_class, scratch_reload_class): New functions.
2086         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2087         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2088         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2089         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2090         (secondary_reload_class, scratch_reload_class): Declare.
2091         * reload1.c: Include target.h.
2092         (reload_adjust_reg_for_temp): New function.
2093         (reload_adjust_reg_for_icode): Likewise.
2094         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2095         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2096         call.
2097         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2098         for inheritance.  Support case when both secondary & tertiary reloads
2099         are for intermediate registers.
2100         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2101         with secondary_reload_class call.  Support case when both secondary
2102         & tertiary reloads are for intermediate registers.
2103         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2104         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2105         * target.h (secondary_reload_info): New struct / typedef.
2106         (struct gcc_target): New member secondary_reload.
2107         * targhooks.c Include reload.h, optabs.h and recog.h.
2108         (default_secondary_reload): New function.
2109         * targhooks.h (default_secondary_reload): Declare.
2110         * doc/tm.texi: Document secondary_reload target hook.  Update
2111         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2112         * doc/md.texi: Likewise.
2113
2114         * sh-protos.h (sh_secondary_reload): Declare.
2115         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2116         (sh_secondary_reload): New function.
2117         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2118         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2119         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2120         (HAVE_SECONDARY_RELOADS): Define.
2121         * sh.md (reload_indf): Rename to:
2122         (reload_indf__frn).
2123         (reload_outdf): Rename to:
2124         (reload_outdf__RnFRm).
2125         (reload_insf): Rename to:
2126         (reload_insf__frn).
2127         (reload_insi): Rename to:
2128         (reload_insi__i_fpul).
2129
2130 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2131
2132         * configure.ac: Require at least texinfo 4.4.
2133         * configure: Regenerate.
2134
2135         * doc/install.texi (Tools/packages necessary for building GCC):
2136         Update required version of texinfo to at least 4.4.
2137         (Installing GCC: Building): Update required version of texinfo
2138         to at least 4.4.
2139         (Installing GCC: Final installation): Update required version
2140         of texi2dvi to at least 4.4.
2141         (Host/target specific installation notes for GCC): Update required
2142         version of texinfo to at least 4.4.
2143
2144 2005-11-24  Richard Guenther  <rguenther@suse.de>
2145         Dirk Mueller <dmueller@suse.de>
2146
2147         PR c++/14024
2148         * c-common.h (strict_aliasing_warning): Declare.
2149         * c-common.c (strict_aliasing_warning): New function,
2150         split out from ...
2151         * c-typeck.c (build_c_cast): ... here.
2152
2153 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2154
2155         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2156         to order operands.
2157         (swap_commutative_operands_with_target): New.
2158
2159 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2160
2161         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2162         also when doing PRE, rather than only for global CPROP.
2163
2164 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2165
2166         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2167         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2168         formatting.
2169         (expand_twoval_unop): Likewise.
2170         (widen_clz): Likewise.
2171         (expand_parity): Likewise.
2172         (expand_unop): Likewise.
2173         (emit_cmp_and_jmp_insn_1): Likewise.
2174         (prepare_float_lib_cmp): Likewise.
2175
2176 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2177
2178         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2179         Remove unused `class' variable.
2180
2181 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2182
2183         PR c++/21667
2184         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2185         C/C++ diagnostic function warn_array_subscript_with_type_char.
2186         * c-common.h (warn_array_subscript_with_type_char): Declare.
2187         * c-common.c (warn_array_subscript_with_type_char): Define.
2188
2189 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2190
2191         PR c/21668
2192         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2193         compiling at the intersection of C and C++.
2194
2195 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2196
2197         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2198         List @file in the option summary.  Include the libiberty
2199         documentation for @file.
2200         * gcc.c (main): Call expandargv.
2201         * Makefile.in (gcc-vers.texi): Define srcdir.
2202
2203 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2204
2205         * passes.c (init_optimization_passes): Document
2206         sequencing of passes.
2207
2208 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2209
2210         * config/m68k/predicates.md (pcrel_address, extend_operator,
2211         post_inc_operand, pre_dec_operand): Remove redundant
2212         conditionals.
2213         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2214         instead of abort.
2215         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2216
2217 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2218
2219         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2220
2221 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2222
2223         Preparatory work for PR target/21623:
2224         * alpha.c (secondary_reload_class): Rename to:
2225         (alpha_secondary_reload_class).
2226         * alpha.h, alpha-protos.h: Likewise.
2227         * mn10300.c (secondary_reload_class): Rename to:
2228         (mn10300_secondary_reload_class).
2229         * mn10300.h, mn10300-protos.h: Likewise.
2230         * pa.c (secondary_reload_class): Rename to:
2231         (pa_secondary_reload_class).
2232         * pa.h, pa-protos.h: Likewise.
2233         * rs6000.c (secondary_reload_class): Rename to:
2234         rs6000_secondary_reload_class.
2235         * rs6000.h, rs6000-protos.h: Likewise.
2236
2237 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2238
2239         PR middle-end/22561
2240         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2241
2242 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2243
2244         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2245         a mode_class.
2246         (prepare_cmp_insn): Likewise.
2247
2248 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2249
2250         PR target/23435
2251         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2252         if both operands[0] and operands[1] are memory.
2253
2254 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2255
2256         PR middle-end/23606
2257         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2258         COMPARISON_CLASS_P and an integral types create create a new
2259         expression with the new type and fold that.
2260
2261 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2262
2263         PR target/24988
2264         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2265         to SUBTARGET_OS_CPP_BUILTINS.
2266
2267 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2268
2269         * arm.c (emit_set_insn): New function.
2270         (arm_split_constant): Call it.
2271         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2272         (arm_legitimize_address): Likewise.  Use plus_constant.
2273         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2274         (thumb_expand_prologue): Likewise.
2275         (arm_gen_load_multiple): Use VOIDmode in SET.
2276         (arm_gen_store_multiple): Likewise.
2277         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2278         (emit_multi_reg_push): Likewise.
2279         (emit_sfm): Use plus_constant.
2280
2281 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2282
2283         PR target/24954
2284         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2285         typo last change.
2286
2287 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2288
2289         PR middle-end/24950
2290         * expmed.c (store_bit_field): Don't attempt to insv a field
2291         larger than the reg.
2292
2293 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2294
2295         PR target/24954
2296         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2297         explicit sign extension, not a (char) cast.
2298
2299 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2300
2301         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2302         GET_MODE_CLASS (x) == MODE_FLOAT.
2303         * config/i386/i386.c: Likewise.
2304         * config/rs6000/xcoff.h: Likewise.
2305         * config/rs6000/linux64.h: Likewise.
2306         * config/rs6000/rs6000.c: Likewise.
2307         * config/rs6000/rs6000.h: Likewise.
2308         * config/rs6000/predicates.md: Likewise.
2309         * config/rs6000/sysv4.h: Likewise.
2310
2311 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2312
2313         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2314         flag_pic is set.
2315
2316         * config/alpha/freebsd.h, config/alpha/linux.h,
2317         config/arm/linux-elf.h, config/bfin/bfin.h,
2318         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2319         config/i386/beos-elf.h, config/i386/gnu.h,
2320         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2321         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2322         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2323         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2324         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2325         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2326         config/sparc/linux.h, config/sparc/linux64.h,
2327         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2328
2329         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2330         are both defined when either flag -fpic or -fPIC are used.
2331
2332 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2333
2334         * config/fp-bit.c (clzusi): New function.
2335         (si_to_float, usi_to_float): Use it to compute proper shift.
2336         (usi_to_float): Preserve guard bits when shifting right.
2337         * libgcc-std.ver (GCC_4.2.0): New version.
2338         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2339         __floatundisf): New functions.
2340         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2341         __floatundisf): Declare.
2342         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2343         _floatundixf, and _floatunditf.
2344         * optabs.c (expand_float): If target does not define a pattern for
2345         signed or unsigned conversion, use an unsigned libcall instead of
2346         a signed one.
2347         (init_optabs): Initialize ufloat_optab.
2348
2349 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2350
2351         * config/rs6000/rs6000.opt (mmulhw): New option.
2352         * doc/invoke.texi (-mmulhw): Document.
2353         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2354         for 405 and 440.
2355         * config/rs6000/rs6000.md: Add half-word multiply and
2356         multiply-accumulate instructions for 405 and 440.
2357
2358 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2359
2360         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2361         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2362         default now includes a linker group which makes the RTEMS one nest.
2363
2364 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2365
2366         * cse.c (fold_rtx): Typo fix.
2367         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2368
2369 2005-11-21  Richard Henderson  <rth@redhat.com>
2370
2371         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2372         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2373
2374         * c-tree.h (lookup_name): Move declaration ...
2375         * c-common.h (lookup_name): ... here.
2376         * config/darwin-c.c: Include c-common.h.
2377         * config/t-darwin: Update dependencies.
2378
2379 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2380
2381         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2382         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2383         * genopinit.c (gen_insn): Likewise.
2384         * reload.c (find_equiv_reg): Likewise.
2385         * loop.c (load_mems): Likewise.
2386         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2387         * cse.c (find_comparison_args, fold_rtx): Likewise.
2388         * dwarf2out.c (add_const_value_attribute): Likewise.
2389         * expr.c (convert_move): Likewise.
2390         * recog.c (general_operand, register_operand): Likewise.
2391         * reg-stack.c (replace_reg): Likewise.
2392         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2393         * c-common.c (handle_vector_size_attribute): Likewise.
2394         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2395         (simplify_binary_operation_1): Likewise.
2396         (simplify_const_binary_operation): Likewise.
2397         (simplify_relational_operation): Likewise.
2398         (simplify_const_relational_operation): Likewise.
2399         (simplify_immed_subreg): Likewise.
2400         * emit-rtl.c (gen_lowpart_common): Likewise.
2401         * expmed.c (expand_mult): Likewise.
2402         * stor-layout.c (layout_type): Likewise.
2403
2404 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2405
2406         PR target/24951
2407         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2408         cst2 only for SPE vectors.
2409
2410 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2411
2412         PR target/24953
2413         * config/rs6000/predicates.md (vrsave_operation): Check
2414         UNSPEC_VOLATILE value.
2415
2416 2005-11-21  Jan Hubicka  <jh@suse.cz>
2417
2418         PR tree-optimization/24653
2419         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2420
2421 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2422
2423         * config/i386/predicates.md (ax_reg_operand): New predicate.
2424         (memory_displacement_only_operand): New predicate.
2425         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2426         operand is AX register and the other operand is memory operand
2427         with displacement only.
2428
2429 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2430
2431         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2432         if we don't care about NaNs or Infinities.
2433
2434 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2435
2436         PR rtl-optimization/24883
2437         * combine.c (combinable_i3pat): When checking whether the
2438         destination of i3 is used in i3, consider paradoxical subregs.
2439
2440 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2441
2442         PR middle-end/20583
2443         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2444
2445 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2446
2447         * combine.c (try_combine): Do not run subst on i1src and i2src in
2448         the case of generating a PARALLEL for a comparison.
2449
2450 2005-11-20  Richard Henderson  <rth@redhat.com>
2451
2452         PR 24931
2453         * tree-sra.c (struct sra_elt): Add all_no_warning.
2454         (struct sra_walk_fns) <use>: Add use_all argument.
2455         (sra_walk_expr): Pass it.
2456         (sra_walk_modify_expr): Likewise.
2457         (scalarize_ldst): Likewise.
2458         (scan_use): Update for new argument.
2459         (mark_no_warning): New.
2460         (scalarize_use): Use it.
2461
2462 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2463
2464         * expr.c (expand_expr_real): Use usmul_optab for widening
2465         signed * unsigned multiplies.
2466         * genopinit.c (optabs): Add usmul_widen_optab.
2467         * optabs.c (init_optabs): Likewise.
2468         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2469         (usmul_widen_optab): Define.
2470         * config/bfin/bfin.md (usmulhisi3): New pattern.
2471
2472         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2473
2474 2005-11-20  Graham Stott <btinternet.com>
2475
2476         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2477
2478 2005-11-20  Andreas Schwab  <schwab@suse.de>
2479
2480         PR target/24757
2481         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2482         insn.
2483
2484 2005-11-19  Richard Henderson  <rth@redhat.com>
2485
2486         PR tree-opt/24665
2487         * tree-gimple.c (is_gimple_id): Export.
2488         * tree-gimple.h (is_gimple_id): Declare.
2489         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2490         (get_default_value): Use it.
2491         (maybe_fold_stmt_indirect): Likewise.
2492
2493 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2494
2495         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2496         than VR1 or vice-versa.
2497
2498 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2499
2500         PR middle-end/24912
2501         PR middle-end/24750
2502         * reload.c (find_reloads_address_1): Mention dependency on
2503         gen_reload.
2504         * reload1.c (gen_reload): For IN with an unary operation, try
2505         moving inner expression to OUT if trivial SET is not valid.
2506         Confirm that the result is valid.  Move common code block into...
2507         (emit_insn_if_valid_for_reload): New function.
2508
2509 2005-11-19  Richard Guenther  <rguenther@suse.de>
2510
2511         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2512         ARRAY_REFs of constant strings.
2513
2514 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2515
2516         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2517         fatal format string.
2518
2519 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2520
2521         * combine.c (make_compound_operation): Swap operands of
2522         commutative operation if necessary before returning.
2523
2524 2005-11-19  Richard Guenther  <rguenther@suse.de>
2525
2526         PR middle-end/23294
2527         * fold-const.c (fold_plusminus_mult_expr): New function.
2528         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2529         cases, remove now unnecessary code.
2530
2531 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2532
2533         * gensupport.c (old_preds): Rename to std_preds, add special field.
2534         (struct old_pred_table): Rename to struct std_pred_table, add special
2535         field.
2536         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2537         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2538         (init_predicate_table): Adjust, and set along the way whether a
2539         predicate is special.
2540
2541 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2542
2543         * BASE-VER: Change to 4.2.0.
2544
2545 2005-11-18  James E Wilson  <wilson@specifix.com>
2546
2547         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2548         returning it.
2549
2550 2005-11-18  Mike Stump  <mrs@apple.com>
2551
2552         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2553         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2554         * c-decl.c (lookup_name_two) Remove.
2555         * c-tree.h (lookup_name_two): Remove.
2556         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2557         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2558         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2559         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2560
2561 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2562
2563         PR target/24914
2564         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2565         when not generating code to use that co-processor.
2566
2567 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2568
2569         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2570         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2571         these functions are now in tree-phinodes.c.
2572
2573 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2574
2575         * config/bfin/bfin.md (trap): New pattern.
2576
2577 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2578
2579         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2580         on types.
2581
2582         * expr.c (expand_expr_real): Don't call record_block_change unless
2583         ib_boundaries_block is non-null
2584
2585         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2586
2587         * fold-const.c (build_range_check): Use proper type for subtraction
2588         when merging lower bound.
2589
2590 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2591
2592         PR rtl-optimization/24497
2593         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2594         the copied insn.
2595
2596 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2597
2598         * tree-scalar-evolution.c (expression_expensive_p): New function.
2599         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2600
2601 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2602
2603         * config/bfin/crtlibid.s: New file.
2604
2605 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2606
2607         PR target/24348
2608         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2609         when not using sjlj exceptions.
2610         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2611         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2612         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2613         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2614         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2615         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2616         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2617         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2618         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2619         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2620         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2621         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2622         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2623         defines.
2624         * config/pa/hpux-unwind.h: New file.
2625
2626 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2627
2628         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2629         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2630         * varasm.c (do_assemble_alias): Adjust call.
2631         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2632         is defined.
2633         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2634
2635 2005-11-17  James E Wilson  <wilson@specifix.com>
2636
2637         * tree.def (FUNCTION_DECL): Correct typo in comment.
2638
2639 2005-11-17  Richard Henderson  <rth@redhat.com>
2640
2641         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2642         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2643         and DW_CFA_def_cfa_sf.
2644         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2645         (dbx_reg_number): Don't assert particular registers here.
2646         (based_loc_descr): ... do it here instead.  Fold in ...
2647         (eliminate_reg_to_offset): ... this function.
2648         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2649         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2650         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2651         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2652         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2653         (instantiate_virtual_regs): Likewise.
2654         * var-tracking.c (adjust_stack_reference): Likewise.
2655         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2656
2657 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2658
2659         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2660         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2661         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2662         crtlibid.o.
2663         ($(T)crtlibid.o): New rule.
2664
2665 2005-11-16  Richard Guenther  <rguenther@suse.de>
2666
2667         PR middle-end/24851
2668         * fold-const.c (extract_array_ref): Return byte offset
2669         in all cases.
2670         (fold_binary): Fold &x[a] CMP &x[b] to
2671         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2672         behavior.
2673
2674 2005-11-16  Richard Henderson  <rth@redhat.com>
2675
2676         PR middle-end/23497
2677         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2678         parts of an SSA_NAME.
2679
2680 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2681
2682         PR target/24861
2683         * arm.md (split for movsf with immediate): Restrict split to insns
2684         that set a general register.
2685
2686 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2687
2688         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2689         uw_update_context.
2690         * unwind-dw2.c (uw_advance_context): Likewise.
2691         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2692         _Unwind_SjLj_Unregister.
2693         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2694
2695 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2696
2697         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2698
2699 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2700
2701         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2702         langhook to get a DImode integer type.
2703
2704 2005-11-16  Richard Henderson  <rth@redhat.com>
2705             J"orn Rennecke <joern.rennecke@st.com>
2706             Ulrich Weigand  <uweigand@de.ibm.com>
2707
2708         PR rtl-opt/24160
2709         PR target/24621
2710         * reload1.c (reg_equiv_invariant): New.
2711         (reload): Allocate, initialize, and free it.
2712         (calculate_needs_all_insns): Check it when skipping equivalence
2713         setting insns.
2714         (alter_reg): Likewise.
2715         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2716         may_use_invariant argument; only use reg_equiv_invariant when true.
2717         (eliminate_regs): New.
2718         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2719         a context for which may_use_invariant may be true.
2720
2721 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2722
2723         * fold-const.c (const_binop): Don't constant fold the operation
2724         if the result has overflowed and flag_trapping_math.
2725         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2726
2727 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2728
2729         * config/arm/unwind-arm.c (abort): Add prototype here.
2730         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2731         (struct phase1_vrs): Add prev_sp.
2732         (unwind_phase2_forced): Save the original core registers instead of
2733         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2734         and set action flags accordingly.  Always set _US_END_OF_STACK when
2735         get_eit_entry fails.  Unwind before calling the stop function.
2736         (_Unwind_GetCFA): New function.
2737         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2738         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2739         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2740         just call unwind_phase2_forced.
2741         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2742         * config/arm/unwind-arm.h (abort): Remove prototype.
2743         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2744         prototypes.
2745         (_Unwind_GetCFA): New prototype.
2746         * config/arm/pr-support.c (abort): Add prototype here.
2747         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2748         forced unwinding.
2749         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2750         not schedule the prologue with non-call exceptions and EABI.
2751
2752 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2753
2754         * config/arm/unwind-arm.h: Reorder interface function declarations.
2755         (_URC_END_OF_STACK): New enumeration value.
2756         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2757         (struct _Unwind_Control_Block): Document reserved field use.
2758         (_Unwind_Stop_Fn): New typedef.
2759         (_Unwind_ForcedUnwind): Declare.
2760         (_Unwind_Resume_or_Rethrow): Declare.
2761         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2762         argument.  Adjust.
2763         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2764         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2765         (UCB_FORCED_STOP_ARG): New.
2766         (search_EIT_table): Update boundary condition checks.
2767         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2768         (unwind_phase2): Replace for with do..while.
2769         (unwind_phase2_forced): New.
2770         (__gnu_Unwind_RaiseException): Replace for with do..while.
2771         (__gnu_Unwind_ForcedUnwind): New.
2772         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2773         Use appropriate phase2 unwinder.
2774         (__gnu_Unwind_Resume_or_Rethrow): New.
2775         (__gnu_unwind_pr_common): Cope with forced unwinding.
2776
2777 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2778
2779         PR target/24772
2780         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2781
2782         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2783         roundsf2): Remove "s" from mnemonic.
2784
2785 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2786
2787         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2788         __PIC__ is defined.
2789         * config/bfin/crtn.s: Change epilogues to match.
2790         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2791         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2792         __PIC__ and __pic__.
2793
2794 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2795
2796         PR 24357
2797         * doc/invoke.texi: Distinguish between free and fixed form instead of
2798         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2799         languages.
2800         * gcc.c (default_compilers): Remove double entries, add entries for
2801         suffixes '.F90' and '.F95'.
2802
2803 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2804
2805         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2806         in the stack probing loop.
2807
2808 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2809
2810         * configure.ac: Use .machine power5 not power5x.
2811         * configure: Regenerate.
2812
2813 2005-11-15  Mike Stump  <mrs@apple.com>
2814
2815         * c-decl.c (lookup_name_two): Add.
2816         * c-tree.h (lookup_name_two): Likewise.
2817         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2818         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2819
2820 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2821
2822         PR rtl-optimization/23392
2823         * regrename.c (enum scan_actions) Add mark_access.
2824         (scan_actions_name): Ditto.
2825         (scan_rtx_reg): Handle mark_access.
2826         (scan_rtx_address): Do nothing for mark_access.
2827         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2828         and regs in REG_INC notes before closing chains for dead regs.
2829         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2830         opening chains for new writes.
2831
2832 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2833
2834         * c.opt (ffixed-line-length-none): New.
2835
2836 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2837
2838         * mklibgcc.in: Change contents of eh_dummy.c.
2839
2840 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2841
2842         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2843
2844 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2845
2846         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2847         of making syscalls.
2848         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2849
2850 2005-11-15  Jan Hubicka  <jh@suse.cz>
2851
2852         * invoke.texi (large-unit-insns): Document.
2853         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2854         * params.def (large-unit-insns): New param.
2855
2856 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2857
2858         PR target/24869
2859         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2860         special register for operand 3.  Reindent constraints to align
2861         them vertically.
2862
2863 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2864
2865         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2866         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2867         * configure.ac: Add test for FP rounding instructions.
2868         * configure: Regenerate.
2869         * config.in: Regenerate.
2870         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2871         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2872         features enabled.
2873         * config/rs6000/rs6000.opt (mfprnd): New.
2874         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2875         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2876         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2877         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2878         (TARGET_FPRND): New.
2879         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2880         UNSPEC_FRIZ): New.
2881         (btrunc<mode>2): New.
2882         (ceil<mode>2): New.
2883         (floor<mode>2): New.
2884         (round<mode>2): New.
2885
2886 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2887
2888         * gcc.c (version_compare_spec_function): Use fatal() rather than
2889         abort().
2890
2891         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2892         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2893         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2894         as empty.
2895         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2896         link in crt2.o.
2897
2898         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2899         on -mmacosx-version-min setting.
2900
2901 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2902
2903         PR 24840
2904         * tree-vrp.c (infer_value_range): Return false if STMT is a
2905         block terminator and its basic block has no successors.
2906
2907 2005-11-14  Mike Stump  <mrs@apple.com>
2908
2909         * config/i386/i386.c (override_options): -masm=intel isn't
2910         supported on darwin.
2911         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2912
2913 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2914
2915         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2916         vfork after including auto-host.h.
2917
2918 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2919
2920         PR rtl-optimization/22002
2921         * combine.c (distribute_notes): Detect cases where a reg dies
2922         two or more times in a bb, including on the insn we are combining,
2923         and place the death note on the correct range.
2924
2925 2005-11-14  Dale Johannesen  <dalej@apple.com>
2926
2927         * expmed.c (store_bit_field):  Add offset unconditionally for
2928         memory targets.
2929         (extract_bit_field):  Don't force extzv or extv operand into
2930         a register if field is too big.
2931
2932 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2933
2934         * config/arm/arm.c (pic_labelno): New.
2935         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2936         LABEL_REF.  Pass only the labelno to PIC insns.
2937         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2938         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2939         * arm.md (UNSPEC_PIC_LABEL): New constant.
2940         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2941         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2942         Use the correct label prefix.
2943
2944 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2945
2946         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2947         REQ_EQUIV note.
2948
2949 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2950
2951         * loop-invariant.c: Include tm_p.h.
2952         * Makefile.in: Updated.
2953
2954 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2955
2956         * pa.c (store_reg): Revise generation of frame notes in large frames.
2957         (set_reg_plus_d): Likewise.
2958
2959 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2960
2961         PR tree-optimization/24709
2962         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2963         loop check.
2964
2965 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2966
2967         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2968         and duplicate declaration of pthread_self.
2969
2970 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2971             Ian Lance Taylor  <ian@airs.com>
2972
2973         PR middle-end/24003
2974         * calls.c (expand_call): If TARGET is a MEM and some part of the
2975         argument area has been saved, force TARGET to a register.
2976
2977 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2978
2979         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2980         checking.
2981
2982 2005-11-13  Jason Merrill  <jason@redhat.com>
2983
2984         PR c++/22489
2985         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2986         lazily declared methods.
2987         (force_decl_die): Stop if forcing out the context already make a
2988         DIE for the decl.
2989         (force_type_die): Likewise.
2990
2991 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2992
2993         PR middle-end/24820
2994         * builtins.c (integer_valued_real_p): Add break in
2995         REAL_CST having TREE_OVERFLOW set.
2996
2997 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2998
2999         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3000         addressing modes during calculation of costs.
3001
3002 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3003
3004         * function.c (assign_stack_local_1): Restrict sanity check
3005         on frame size overflow to 32-bit and above platforms.
3006
3007 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3008
3009         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3010         * config/cris/cris.c: Include reload.h.
3011         (cris_initial_elimination_offset): New function.
3012         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3013         Prototype.
3014
3015 2005-11-12  Richard Guenther  <rguenther@suse.de>
3016
3017         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3018
3019 2005-11-12  Jan Hubicka  <jh@suse.cz>
3020
3021         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3022         to compare against 0 when possible.
3023
3024 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3025
3026         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3027         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3028         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3029         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3030         in the new order.
3031
3032 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3033
3034         * recog.c (constrain_operands) <case 'g'>: For a match, require
3035         that a non-register matches general_operand when strict >= 0.
3036
3037 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3038
3039         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3040         previous checkin.
3041
3042 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3043
3044         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3045         (memory_address_same): New.
3046         (dse_optimize_stmt): Call memory_address_same.
3047
3048 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3049
3050         PR middle-end/24750
3051         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3052         ZERO_EXTEND>: New cases.
3053
3054 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3055
3056         * longlong.h (__clz_tab): Always provide.
3057
3058 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3059
3060         PR 24265
3061         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3062         can be assigned to.
3063         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3064         before check_maybe_invariant.
3065         (move_invariant_reg): Use gen_move_insn instead of replacing
3066         SET_DEST with the temporary for the invariant.
3067         (move_loop_invariants): If checking is enabled, do internal
3068         consistency checks after completing the pass.
3069
3070 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3071
3072         PR 24644
3073         * common.opt (Wvolatile-register-var): New.
3074         * varasm.c (make_decl_rtl): Only emit warning when option
3075         specified.  Clarify warning message.
3076         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3077
3078         * doc/md.texi (copysign): Document standard named pattern.
3079
3080 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3081
3082         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3083         bytes when align is 2.
3084         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3085         by the first instruction of the loop.
3086
3087 2005-11-11  Jason Merrill  <jason@redhat.com>
3088
3089         PR c++/24686
3090         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3091         the cleanup list.
3092
3093 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3094
3095         PR rtl-optimization/22509
3096         * local-alloc.c (memref_used_between_p): Check whether a function call
3097         could not reference the memref.
3098
3099 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3100
3101         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3102         algorithm so as to choose the best, not the worst, alternative.
3103         Reset accumulated register class before processing next alternative.
3104
3105 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3106
3107         PR target/24445
3108         * calls.c (expand_call): Copy a return value to a plain register
3109         if needed.
3110
3111 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3112
3113         PR target/24778
3114         * varasm.c (assemble_name): Recompute name only for transparent
3115         aliases.
3116
3117 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3118
3119         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3120
3121 2005-11-04  Jeff Law  <law@redhat.com>
3122
3123         PR middle-end/23181
3124         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3125         perform reassociation if the parent statement will not die as
3126         a result of the optimization.
3127
3128 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3129
3130         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3131         delete_old_heap_vars.
3132         * tree-dfa.c (referenced_var_remove): Remove function.
3133         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3134         (delete_tree_ssa): Remove call to delete_old_heapvars.
3135         Add call to delete_alias_heapvars.
3136         * tree-flow.h (referenced_var_remove): Remove prototype
3137         (init_alias_heapvars): New prototype.
3138         (delete_alias_heapvars): Ditto.
3139         * Makefile.in (tree-ssa-structalias.o): Add
3140         gt-tree-ssa-structalias.o
3141         (GTFILES): Add tree-ssa-structalias.h and
3142         tree-ssa-structalias.c.
3143         (s-gtype): Add gt-tree-ssa-structalias.h.
3144         * tree-ssa-structalias.c (heapvars): Remove.
3145         (oldheapvars): Remove.
3146         (heapvar_for_stmt): New variable.
3147         (heapvar_lookup): New function.
3148         (heapvar_insert): Ditto.
3149         (get_constraint_for): See if we have an old heapvar
3150         to reuse.
3151         (init_alias_heapvars): New function.
3152         (delete_alias_heapvars): Ditto.
3153         Add include of gt-tree-ssa-structalias.h.
3154
3155 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3156
3157         PR middle-end/22127
3158         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3159
3160 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3161
3162         * tree.c (int_fits_type_p): Only look at the base type
3163         if it has the same precision as the original type.
3164
3165 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3166
3167         PR other/4372
3168         * varasm.c (assemble_alias): Use %q+D in the error
3169         message instead of %J and %qD.
3170
3171 2005-11-10  Richard Guenther  <rguenther@suse.de>
3172
3173         * gcse.c (free_ldst_entry): Only free hashtable if
3174         it exists.
3175
3176 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3177
3178         * function.c (assign_stack_local_1): Issue an error message if
3179         the frame size overflows in the signed target arithmetics.
3180
3181 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3182
3183         * tree.c (build_qualified_type): Chain the new type to the original
3184         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3185         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3186         (build_pointer_type_for_mode): Only return unqualified types.
3187         (build_reference_type_for_mode): Likewise.
3188
3189 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3190
3191         * Makefile.in (gnucompare): Do comparison of all files using one of
3192         the chosen methods and only afterwards decide if just warning should
3193         be issued or comparison failure raised.
3194
3195 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3196
3197         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3198         (noce_try_abs): Negate if the comparison is reversed.
3199         Look only one instruction backwards for a REG_EQUAL note.
3200
3201 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3202
3203         PR other/4372
3204         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3205         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3206         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3207         and prefix all uses with __ghtrw.
3208
3209 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3210
3211         PR other/4372
3212         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3213         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3214         * c-common.c (handle_weakref_attribute): New.
3215         (c_common_attribute_table): Add weakref.
3216         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3217         in the assembler.
3218         * configure, config.in: Rebuilt.
3219         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3220         * doc/extend.texi: Document weakref attribute.
3221         * varasm.c (ultimate_transparent_alias_target): New
3222         (assemble_name): Use it.
3223         (weak_finish_1): Split out of...
3224         (weak_finish): ... and deal with weakrefs in...
3225         (weakref_targets): ... new list.
3226         (globalize_decl): Clean up weakref_targets.
3227         (do_assemble_alias): Handle weakrefs.
3228         (finish_aliases_1): Do not reject weakrefs to external symbols.
3229         (assemble_alias): Handle weakrefs.
3230
3231 2005-11-09  Richard Guenther  <rguenther@suse.de>
3232
3233         PR tree-optimization/24716
3234         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3235         t_bool to track results from follow_ssa_edge.
3236
3237 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3238
3239         * final.c (force_source_line): New global variable.
3240         (final_scan_insn): Set it to true instead of clearing last_filename.
3241         (notice_source_line): Return true if force_source_line is true,
3242         unless source info is absent.
3243
3244 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3245
3246         PR c/24644
3247         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3248         a linkage name for a variable if it a register variable.
3249         * c-decl.c (grokdeclarator): Global register variables
3250         should be set as PUBLIC.
3251
3252 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3253
3254         PR 24624
3255         * config/s390/s390.c (struct s390_frame_layout): New fields
3256         first_save_gpr_slot and last_save_gpr_slot.
3257         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3258         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3259         first_save_gpr and last_save_gpr with the _slot variants.
3260         (s390_register_info): Calculate first_save_gpr_slot and
3261         last_save_gpr_slot using regs_ever_live.
3262
3263 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3264
3265         PR 24623
3266         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3267         for a function containing a landing pad.
3268
3269 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3270
3271         PR 24034
3272         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3273         is live afterwards.
3274
3275 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3276
3277         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3278         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3279
3280 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3281
3282         Add ms2 support
3283         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3284         constants.
3285         (call,load,store): New insn types.
3286         (mem_access, branch_access): Adjust reservation conditions.
3287         (define_delay): Adjust condition.
3288         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3289         type.
3290         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3291         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3292         insn type.
3293         (call_internal, call_value_internal, return_internal,
3294         return_interrupt_internal, eh_return_internal, indirect_jump,
3295         tablejump): Set call insn type.
3296         (blockage, ei, di): Use appropriate unspec const.
3297         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3298         (ms1_get_attr_type): Adjust to give load & store types.
3299         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3300         backwards past a barrier.
3301         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3302         branch scheduling.
3303         (struct branch_info, struct label_info): New.
3304         (ms1_labels): New.
3305         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3306         (ms1_machine_reorg): New.
3307         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3308         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3309         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3310         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3311         (TARGET_MS2): New.
3312
3313 2005-11-09  Per Bothner  <per@bothner.com>
3314             Uros Bizjak  <uros@kss-loka.si>
3315
3316         PR c/24101
3317         * toplev.c (process_options): Initialize debug_hooks early
3318         in case lang_hooks.post_options ends up calling a debug_hook.
3319
3320 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3321
3322         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3323         DBX_REGISTER_NUMBER being contiguous.
3324
3325 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3326             Diego Novillo  <dnovillo@redhat.com>
3327
3328         PR 23046
3329         * tree-vrp.c (register_edge_assert_for): Do not register
3330         always-false predicates.
3331
3332 2005-11-08  Devang Patel <dpatel@apple.com>
3333
3334         PR tree-optimization/23115
3335         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3336         relation.
3337
3338 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3339
3340         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3341         -mcpu=440.
3342
3343 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3344
3345         Fix PR tree-optimization/23382
3346
3347         * tree-ssa-alias.c (compute_may_aliases): Call
3348         delete_old_heap_vars.
3349         * tree-dfa.c (referenced_var_remove): New function.
3350         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3351         * tree-flow.h (referenced_var_remove): Add prototype.
3352         (delete_old_heap_vars): Ditto.
3353         * tree-ssa-structalias.c (heapvars): New variable.
3354         (oldheapvars): Ditto.
3355         (get_constraint_for): Put heap vars on heapvars list.
3356         (delete_old_heap_vars): New function.
3357
3358 2005-11-08  Jason Merrill  <jason@redhat.com>
3359
3360         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3361
3362 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3363
3364         PR target/19340
3365         * reg-stack.c (reg_to_stack): Update register liveness also
3366         for flag_sched2_use_traces.
3367
3368 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3369
3370         PR target/23704
3371         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3372         override prior explicit -mno-powerpc-gfxopt.
3373
3374 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3375
3376         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3377         if the bitsize is zero.
3378         * doc/md.texi (Standard Pattern Names): Document it.
3379
3380         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3381         (TARGET_PASS_BY_REFERENCE): Likewise.
3382
3383 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3384
3385         PR rtl-optimization/24683
3386         * config/i386/i386.c (legitimize_pic_address): If constant operand
3387         to PLUS is too large, put it in a register.
3388
3389 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3390
3391         * configure.ac: Enable checking assembler dwarf2 support for bfin
3392         target.
3393         * configure: Regenerate.
3394
3395 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3396
3397         PR target/24230
3398
3399         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3400         gen_easy_vector_constant_add_self): Delete.
3401         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3402         New.
3403         (output_vec_const_move): Use gen_easy_altivec_constant.
3404         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3405         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3406         (easy_vector_constant_add_self): Rewritten.
3407         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3408         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3409         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3410         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3411         Macroize and adjust for the other changes.
3412
3413 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3414
3415         PR c/24599
3416
3417         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3418         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3419
3420 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3421
3422         PR rtl-optimization/23567
3423         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3424         (noce_process_if_block): Don't do any optimizations except
3425         if (cond) x = x; if !set_b and write into orig_x may trap
3426         or fault.  Remove the MEM_READONLY_P check.
3427
3428 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3429
3430         PR 24670
3431         * tree-vrp.c (fix_equivalence_set): New.
3432         (extract_range_from_assert): Call it.
3433
3434 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3435
3436         PR target/22432
3437         * combine.c (apply_distributive_law): Don't distribute across a
3438         vector mode subreg.
3439
3440 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3441
3442         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3443         config/ms1/ms1.h, config/rs6000/predicates.md,
3444         config/s390/s390.c, params.def, postreload-gcse.c,
3445         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3446         tree-vrp.c, tree.c: Fix comment typos.
3447         * doc/invoke.texi: Fix typos.
3448
3449 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3450
3451         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3452         for testing whether the data_dependence_relation contains distance
3453         vectors.  Iterate over all distance vectors of the ddr.
3454         * lambda.h: Define a vec of lambda_vector pointers.
3455         * tree-data-ref.c (dump_data_dependence_relation,
3456         dump_data_dependence_direction): Iterate over all distance and
3457         direction vectors of the ddr.
3458         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3459         DDR_DIST_VECTS.
3460         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3461         of distance/direction vectors instead of a single one.
3462         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3463         lambda_vectors with a vec of lambda_vectors.
3464         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3465         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3466         DDR_NUM_DIST_VECTS): New.
3467         * tree-loop-linear.c (gather_interchange_stats): Test for the
3468         existence of distance vectors only after having checked that there
3469         is a dependence.  Iterate over all distance vectors of the ddr.
3470         (linear_transform_loops): Use dump_data_dependence_relation.
3471         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3472         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3473         distance vectors of the ddr.
3474
3475 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3476
3477         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3478         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3479         IS_INTHANDLER; all callers changed.
3480         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3481         account.
3482         (do_link, do_unlink): New argument ALL; all callers changed.
3483         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3484         If function isn't leaf, save and restore all registers.
3485         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3486         exception handler.
3487
3488 2005-11-05  Jan Hubicka  <jh@suse.cz>
3489
3490         PR rtl-optimization/23490
3491         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3492         max-flow-memory-location): Document.
3493         * flow.c: Include params.h
3494         (MAX_MEM_SET_LIST_LEN): Kill.
3495         (add_to_mem_set_list): Use new param.
3496         * cse.c (cse_basic_block): Replace 1000 by new param.
3497         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3498         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3499         * predict.c (predict_loops): Use new param.
3500         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3501
3502         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3503         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3504         Do not hold memory returned by cgraph_node_name across other call.
3505
3506 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3507
3508         PR target/23424
3509         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3510         Disable.
3511
3512 2005-11-04  Jeff Law  <law@redhat.com>
3513
3514         PR/21883
3515         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3516         * tree-ssa-dom.c: Include params.h.
3517         (thread_across_edge): If there are too many statements in the
3518         target block, then do not thread through it.
3519         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3520         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3521
3522 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3523
3524         PR 24627
3525         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3526         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3527
3528 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3529
3530         PR/18595
3531         * tree-scalar-evolution.c (instantiate_parameters_1,
3532         instantiate_parameters, resolve_mixers): Compute the size of an
3533         expression to be instantiated and give up the instantiation if the
3534         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3535
3536 2005-11-04  Richard Guenther  <rguenther@suse.de>
3537
3538         * tree-flow.h (ref_contains_indirect_ref): Rename to
3539         array_ref_contains_indirect_ref.
3540         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3541         (array_ref_contains_indirect_ref): Make comment match the code
3542         and vice-versa.
3543         (ref_contains_array_ref): Likewise.
3544         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3545         ref_contains_indirect_ref.
3546         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3547         Rename calls to ref_contains_indirect_ref.
3548
3549 2005-11-04 Paul Brook  <paul@codesourcery.com>
3550
3551         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3552         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3553         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3554         * config/arm/arm.md: Use match_operand in peephole input templates
3555         and match_dup in peephole output templates.
3556
3557 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3558
3559         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3560         __aeabi_uidiv.
3561
3562 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3563             Daniel Jacobowitz  <dan@codesourcery.com>
3564
3565         * longlong.h (add_ssaaaa): Clobber condition code register
3566         in ARM version.
3567         (sub_ddmmss): Likewise.
3568         (umul_ppmm): Likewise.
3569
3570 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3571             Paul Brook  <paul@codesourcery.com>
3572             Phil Blundell  <pb@reciva.com>
3573
3574         * configure.ac: Add test for ARM TLS support.
3575         * configure: Regenerated.
3576         * config/arm/arm-protos.h (legitimize_tls_address)
3577         (arm_tls_referenced_p, tls_mentioned_p)
3578         (arm_output_addr_const_extra): New prototypes.
3579         (thumb_legitimize_pic_address): Delete.
3580         * config/arm/arm.c: Include "gt-arm.h".
3581         (enum tls_reloc): New.
3582         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3583         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3584         (arm_call_tls_get_addr, legitimize_tls_address)
3585         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3586         (arm_init_tls_builtins, arm_emit_tls_decoration)
3587         (arm_output_addr_const_extra): New functions.
3588         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3589         (TARGET_HAVE_TLS): Define.
3590         (target_thread_pointer): New.
3591         (arm_override_options): Handle -mtp=.
3592         (legitimize_pic_address): Ignore UNSPECs.
3593         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3594         relative symbols.
3595         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3596         (tls_get_addr_libfunc): New variable.
3597         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3598         (arm_init_builtins): Call arm_init_tls_builtins.
3599         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3600         (arm_encode_section_info): Call default_encode_section_info.
3601         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3602         (enum arm_tp_type): New.
3603         (target_thread_pointer): Add declaration.
3604         (LEGITIMATE_CONSTANT_P): Handle TLS.
3605         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3606         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3607         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3608         * config/arm/arm.md: Add UNSPEC_TLS.
3609         (movsi): Handle TLS.
3610         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3611         non-PIC.
3612         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3613         (load_tp_hard, load_tp_soft): New insns.
3614         * arm.opt: Add -mtp=.
3615         * doc/invoke.texi (ARM Options): Document -mtp.
3616
3617 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3618
3619         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3620         * config/arm/libunwind.S: Include "lib1funcs.asm".
3621         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3622         (LIB2ADDEH): Add libunwind.S.
3623         (LIB2ADDEHDEP): Add lib1funcs.asm.
3624         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3625
3626 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3627
3628         PR fortran/18452
3629         * gcc/c.opt: Add a -lang-fortran option.
3630         * gcc/c-opts.c: Add a lang_fortran flag.
3631         (c_common_init_options): Handling the -lang-fortran option.
3632         (c_common_handle_option): Add a case for Fortran options in
3633         preprocessing. Remove cases for -ffixed-form and
3634         -ffixed-line-length. Add a case for -lang-fortran.
3635
3636 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3637
3638         * config/rs6000/rs6000.c: Include params.h
3639         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3640         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3641         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3642         (UNSPEC_VPKUWSS): Delete.
3643         (altivec_vpkuhss): Delete.
3644         (altivec_vpkuwss): Delete.
3645         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3646         final condition.
3647         (neg_eq0<mode>): Remove final condition.
3648         (neg_eq<mode>): Remove condition and split-condition.
3649
3650 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3651
3652         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3653         Use associated print macros.
3654
3655 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3656
3657         PR c++/17964
3658         * diagnostic.c (diagnostic_set_info_translated): New function.
3659         (diagnostic_set_info): Use it.  Add comment.
3660         * diagnostic.h (diagnostic_set_info_translated): Declare.
3661
3662 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3663
3664         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3665         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3666         reference only if 'public' is true.
3667         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3668         emit the .hidden directive only if the indirect reference is public.
3669         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3670         Pass it to dw2_force_const_mem.
3671         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3672         * dwarf2out.c (output_cfi): Adjust calls to above function.
3673         (output_call_frame_info): Likewise.
3674         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3675         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3676
3677 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3678
3679         PR tree-optimization/24483
3680         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3681         field to elts if possible.
3682
3683 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3684
3685         PR middle-end/23155
3686         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3687         CONSTRUCTOR.
3688
3689 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3690
3691         Fix PR tree-optimization/24351
3692
3693         * tree-ssa-structalias.c (struct variable_info): Add
3694         collapsed_into.
3695         (get_varinfo_fc): New function to follow collapsing.
3696         (new_var_info): Set collapsed_to to NULL.
3697         (dump_constraint): Follow collapsing.
3698         (build_constraint_graph): Handle collapsing.
3699         (do_simple_structure_copy): Return false if something bad
3700         happened.
3701         (collapse_rest_of_var): New function.
3702         (do_structure_copy): Collapse if do_simple_structure_copy returns
3703         false.
3704
3705 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3706
3707         PR middle-end/24589
3708         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3709         expressions to a statement list instead of gimplifying them.
3710
3711 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3712
3713         PR rtl-optimization/23585
3714         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3715         that can't trap plus a constant integer, if the mode has zero size.
3716
3717 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3718
3719         PR target/24620
3720         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3721         as operand 2.
3722         ("*insv<mode>_reg_extimm"): Likewise.
3723
3724 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3725
3726         PR c/24329
3727         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3728         c_common_type_for_mode returns an unnamed type.
3729
3730 2005-11-02  Richard Henderson  <rth@redhat.com>
3731
3732         PR target/9350
3733         PR target/24374
3734         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3735         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3736         * function.c (assign_parms): Use calls.internal_arg_pointer.
3737         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3738         code.
3739         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3740         (TARGET_CALLS): Add it.
3741         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3742         * targhooks.c (default_internal_arg_pointer): New.
3743         * targhooks.h (default_internal_arg_pointer): Declare.
3744         * tree.h (dwarf2out_reg_save_reg): Declare.
3745         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3746         * config/i386/i386.c (dbx_register_map): Add return column.
3747         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3748         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3749         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3750         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3751         (ix86_save_reg): Save force_align_arg_pointer.
3752         (ix86_emit_save_regs): Make regno unsigned.
3753         (ix86_emit_save_regs_using_mov): Likewise.
3754         (ix86_expand_prologue): Handle force_align_arg_pointer.
3755         (ix86_expand_epilogue): Likewise.
3756         * config/i386/i386.h: (dbx_register_map): Update.
3757         (dbx64_register_map, svr4_dbx_register_map): Update.
3758         (struct machine_function): Add force_align_arg_pointer.
3759         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3760         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3761         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3762
3763 2005-11-02  Jan Hubicka  <jh@suse.cz>
3764
3765         PR target/23303
3766         * i386.md: Add peep2 for simplyfing array accesses.
3767
3768 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3769
3770         PR target/24615
3771         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3772         * config/s390/s390.c (s390_decompose_shift_count): New function.
3773         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3774         (print_shift_count_operand): Use s390_decompose_shift_count.
3775         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3776         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3777
3778 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3779
3780         PR target/24600
3781         * loop.c (loop_givs_rescan): Use force_operand to expand
3782         complex GIVs.
3783
3784 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3785
3786         PR 22429
3787         * fold-const.c (build_range_check): Use unsigned when signed
3788         overflow is undefined also.  If etype is subtype, make sure that
3789         the subtraction is in the supertype.
3790
3791 2005-11-02  Richard Henderson  <rth@redhat.com>
3792
3793         PR target/24178
3794         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3795         by MEM_ALIGN.
3796
3797 2005-11-01  Richard Henderson  <rth@redhat.com>
3798
3799         PR 21518
3800         * loop.c (scan_loop): Do not propagate computations to a hard
3801         register destination with SMALL_REGISTER_CLASSES.
3802
3803 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3804
3805         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3806         costs for MULT inside PLUS or MINUS.
3807
3808 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3809
3810         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3811         (TRAMPOLINE_SIZE): Round up to 60.
3812         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3813
3814 2005-10-31  James E. Wilson  <wilson@specifix.com>
3815
3816         PR debug/24444
3817         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3818         ifdef.  Put ifdefs around call in gen_subprogram_die.
3819         (compute_frame_pointer_to_cfa_displacement): Likewise.
3820         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3821         not defined.
3822
3823         PR rtl-optimization/17356
3824         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3825         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3826
3827 2005-10-31  Jan Hubicka  <jh@suse.cz>
3828
3829         PR middle-end/24093
3830         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3831
3832         PR target/20928
3833         * i386.c (legitimize_pic_address): Deal with large immediates.
3834
3835         PR profile/20815
3836         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3837         from symbol names while computing checkup.
3838
3839         PR profile/24487
3840         * predict.c (predict_loops): Do not estimate more than
3841         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3842         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3843
3844 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3845
3846         PR tree-optimization/19097
3847         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3848
3849 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3850
3851         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3852
3853 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3854
3855         PR middle-end/23492
3856         * tree-inline.c (setup_one_parameter): If the init_stmt
3857         is NULL, don't insert the statement.
3858
3859 2005-10-30  Jan Hubicka  <jh@suse.cz>
3860
3861         PR tree-optimization/24172
3862         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3863
3864 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3865
3866         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3867         constants for hosts with long != 32 bits.
3868
3869 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3870
3871         PR middle-end/24093
3872         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3873
3874 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3875
3876         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3877         (TARGET_MS1_16_002): New.
3878         (TARGET_MS1_16_003): New.
3879
3880         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3881         ("*decrement_and_branch_until_zero_no_clobber"): New.
3882         Add corresponding splitter for decrement_and_branch_until_zero
3883         instruction.
3884         Key all decrement_and_branch_until_zero patterns off of
3885         TARGET_MS1_16_003.
3886
3887 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3888
3889         PR middle-end/24362
3890         * tree-complex.c (extract_component): Treat RESULT_DECL
3891         like the rest of the decls.
3892
3893 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3894
3895         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3896         indirect call to _mcount if the function needs a static chain.
3897
3898 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3899             Caroline Tice  <ctice@apple.com>
3900
3901         PR rtl-optimization/24460
3902         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3903         (dwarf2out_switch_text_section): Set it to true instead of
3904         incrementing separate_line_info_table_in_use.
3905         (output_loc_list): Additionally test have_switched_text_sections.
3906         (output_ranges): Likewise.
3907         (dwarf2out_finish): Likewise.
3908         * varasm.c (assemble_start_function): Do not call
3909         insert_section_boundary_note.
3910         (assemble_end_function): If flag_reorder_blocks_and_partition,
3911         switch to the function's section before emitting the .size directive.
3912         * bb-reorder.c (insert_section_boundary_note): Staticify.
3913         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3914         * output.h (insert_section_boundary_note): Delete.
3915
3916 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3917
3918         PR c/23103
3919         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3920         instead of pointer equality when comparing types.
3921
3922 2005-10-24  James E. Wilson  <wilson@specifix.com>
3923
3924         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3925         add_dependence_list_and_free calls.
3926
3927 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3928
3929         * contrib.texi: Add the names of the LLNL folks who donated
3930         Cray pointer support for gfortran.
3931
3932 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3933
3934         PR tree-optimization/24225
3935         * profile.c (branch_prob): Look from end to start through a
3936         basic block when looking for a locus.
3937
3938 2005-10-24  Richard Henderson  <rth@redhat.com>
3939
3940         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3941         parallel.
3942         (hppa_expand_prologue): Likewise.
3943
3944 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3945
3946         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3947         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3948         * pa.h (NO_PROFILE_COUNTERS): Define.
3949         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3950         (funcdef_nos): New vector to hold label numbers of deferred profile
3951         counters.
3952         (output_deferred_profile_counters): New function.
3953         (hppa_profile_hook): Push label number onto funcdef_nos.
3954         (pa_hpux_file_end): Call output_deferred_profile_counters if
3955         NO_DEFERRED_PROFILE_COUNTERS is false.
3956
3957         * pa-protos.h (get_deferred_plabel): New prototype.
3958         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3959         Make global.
3960         (output_call): Adjust calls.
3961
3962 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3963
3964         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3965         peculiarity of GOT/TOC section usage.
3966
3967 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3968
3969         PR objc/24435
3970          * c-common.c (constant_string_class_name): Add documentation.
3971
3972 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3973
3974         PR target/23832
3975         * recog.c (peephole2_optimize): Increment peep2_current_count
3976         only when the slot is empty.
3977
3978 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3979
3980         PR ada/23957
3981         * except.c (output_function_exception_table): Call
3982         assemble_external_libcall if we need a personality function.
3983
3984 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3985
3986         PR rtl-optimization/24460
3987         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3988         set the basic block for barriers.
3989
3990 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3991
3992         * var-tracking.c (vt_initialize): Initialize post.
3993
3994 2005-10-21  Devang Patel  <dpatel@apple.com>
3995
3996         PR/24220
3997         * c-common.c (vector_types_convertible_p): Check vector element type.
3998
3999 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4000
4001         * config/sh/sh.c (prepare_move_operands): Handle the address
4002         constant which is a tls symbolic address plus a constant.
4003
4004 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4005
4006         PR driver/24473
4007         * gcc.c (main): Use the correct counter for erroring out
4008         about mulitple files.
4009
4010 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4011
4012         PR target/24465
4013         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4014         use r2 for 64-bit tls .got access.
4015
4016 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4017
4018         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4019         TRUTH_OR_EXPR.
4020
4021 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4022
4023         PR tree-optimization/24307
4024         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4025
4026 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4027
4028         PR middle-end/24295
4029         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4030         alias targets.
4031         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4032         is ready, stop marking functions, but still mark variables.
4033
4034 2005-10-20  Richard Guenther  <rguenther@suse.de>
4035
4036         PR c++/24439
4037         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4038         void type operands.
4039
4040 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4041
4042         PR rtl-optimization/23585
4043         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4044         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4045         (may_trap_p_1): New predicate extracted from...
4046         (may_trap_p): ... here.  Invoke may_trap_p_1.
4047         (may_trap_or_fault_p): New predicate.
4048         * rtl.h (may_trap_or_fault_p): Declare it.
4049         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4050         instead of may_trap_p.
4051         (steal_delay_list_from_fallthrough): Likewise.
4052         (fill_simple_delay_slots): Likewise.
4053         (fill_slots_from_thread): Likewise.
4054         * function.c (pad_to_arg_alignment): Rework comment about
4055         SPARC_STACK_BOUNDARY_HACK.
4056         * config/sparc/sparc.h: Likewise.
4057
4058 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4059
4060         * config/s390/s390.c (s390_expand_insv): New.
4061         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4062         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4063         ("icm_hi"): Remove mode attribute.
4064         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4065         Adjust all uses.
4066         ("*extracthi", "*extractqi"): Remove.
4067         (extv<mode>", "*extzv<mode>"): New.
4068         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4069         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4070
4071 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4072
4073         * cfgexpand.c (discover_nonconstant_array_refs_r,
4074         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4075         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4076         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4077         discover_nonconstant_array_refs.
4078
4079 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4080
4081         PR c/23228
4082         * c-decl.c (pop_scope): Don't warn about an unused variable
4083         if it is marked with TREE_NO_WARNING.
4084         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4085         somenow mismatch and olddecl is to be replaced.
4086
4087 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4088
4089         PR middle-end/23199
4090         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4091         whether registers live on the edge can be saved/restored.
4092
4093 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4094
4095         * config/sh/sh.c (fixup_mova): Skip notes.
4096
4097 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4098
4099         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4100         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4101         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4102         (s390_initial_elimination_offset): Likewise.
4103         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4104         register on TARGET_ZARCH targets.
4105         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4106         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4107         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4108         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4109
4110 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4111
4112         * config/s390/s390.md: Comment describing output modifiers updated.
4113         * config/s390/s390.c (print_operand): Likewise.
4114
4115 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4116
4117         * config/s390/s390.c (override_options): Added check for -mstack-size
4118         64k limitation.
4119         * doc/invoke.texi: Mention that limit in the documenation.
4120
4121 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4122
4123         PR #19672
4124         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4125
4126 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4127
4128         Fix PR tree-optimization/24231
4129
4130         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4131         (compute_avail): Ditto.
4132
4133 2005-10-18  Richard Henderson  <rth@redhat.com>
4134
4135         PR target/24428
4136         * config/i386/i386.c (legitimate_constant_p): Check
4137         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4138         if LABEL_REF.
4139         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4140         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4141         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4142         directly.
4143         (print_operand_address): Likewise.
4144         * config/i386/predicates.md (x86_64_immediate_operand): Test
4145         SYMBOL_REF_TLS_MODEL properly inside CONST.
4146         (x86_64_zext_immediate_operand): Likewise.
4147         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4148         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4149         * config/i386/i386-protos.h: Remove predicates.md entries.
4150
4151 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4152
4153         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4154         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4155
4156 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4157             Ian Lance Taylor <ian@airs.com>
4158
4159         PR middle-end/23522
4160         * fold-const.c (fold_widened_comparison): Do not allow range based
4161         constant folding when right operand cannot be unwidened.
4162
4163 2005-10-17  Richard Henderson  <rth@redhat.com>
4164
4165         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4166         with a memory clobber.
4167
4168 2005-10-17  James E Wilson  <wilson@specifix.com>
4169
4170         PR rtl-optimization/17356
4171         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4172         checking for EDGE_EH.
4173
4174 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4175
4176         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4177         the slot on an even boundary for any type with 16-byte alignment.
4178
4179 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4180
4181         PR target/23424
4182         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4183         after register allocation.
4184
4185 2005-10-17  DJ Delorie  <dj@redhat.com>
4186
4187         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4188         as frame related.
4189
4190 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4191
4192         PR c++/22551
4193         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4194         overflow flags.
4195
4196 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4197
4198         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4199         to 2 if it's already non-zero.
4200         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4201         is set and warn about it if flag_schedule_insns is 1.
4202
4203 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4204
4205         * config/crx/crx.md: Compare-and-branch instructions need to
4206         invalidate CC.
4207
4208 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4209
4210         PR target/24315
4211         * config/i386/i386.md (*pushdi2_rex64 splitter)
4212         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4213         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4214         flow2 pass only when (optimize > 0 && flag_peephole2).
4215
4216 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4217
4218         PR driver/22544
4219         * gcc.c (have_c): New static variable.
4220         (have_o): Likewise.
4221         (process_command): Remove declation of have_c.
4222         Set have_o to 1 when handling -o.
4223         (main): Add a fatel error if there are multiple
4224         files specified and -o and -c/-S is passed witout
4225         -combine or multiple languages.
4226
4227 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4228
4229         Fix PR tree-optimization/22444
4230         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4231         Assert that we don't hit something with subvars.
4232         (setup_pointers_and_addressables): Don't add things with subvars,
4233         because we'll already process the subvars for aliasing purposes.
4234
4235 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4236
4237         PR target/23424
4238         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4239         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4240         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4241         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4242         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4243         swapped, alternatives for the R constraint.
4244
4245         PR middle-end/24341
4246         * builtins.c (get_builtin_sync_mode): Make unlimited
4247         mode_for_size request.
4248
4249 2005-10-15  Richard Henderson  <rth@redhat.com>
4250
4251         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4252         (gimplify_expr): ... here.
4253         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4254         fb_lvalue in base expression.
4255
4256 2005-10-15  Richard Henderson  <rth@redhat.com>
4257
4258         PR 23714
4259         * builtins.c (expand_builtin_trap): Export.
4260         * expr.h (expand_builtin_trap): Declare.
4261         * expr.c (expand_assignment): Emit a trap for integral offsets
4262         from registers that weren't reduced to bitpos.
4263
4264         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4265         (mark_array_ref_addressable): Remove.
4266         * tree-flow.h (mark_array_ref_addressable): Remove.
4267         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4268
4269 2005-10-15  James E Wilson  <wilson@specifix.com>
4270
4271         PR target/24232
4272         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4273         (add_dependence_list_and_free): Likewise.
4274         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4275         call.
4276
4277 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4278
4279         PR 23141
4280         PR 23142
4281         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4282         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4283         anti-range.
4284         (vrp_visit_phi_node): Only prevent infinite iterations when
4285         the previous result and the new result are both VR_RANGEs.
4286
4287 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4288
4289         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4290         function comment.
4291
4292 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4293
4294         PR c/23439
4295         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4296         to initialize loc.
4297
4298 2005-10-14  Per Bothner  <per@bothner.com>
4299
4300         PR preprocessor/21250
4301         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4302
4303 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4304
4305         PR c++/22551
4306         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4307         overflow flags.  Refactor some conditionals.
4308
4309 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4310
4311         PR tree-opt/21304
4312         * tree-dfa.c (add_referenced_var): Only look at decls which
4313         have TREE_CONSTANT or TREE_READONLY set instead of if
4314         !TREE_PUBLIC or !TREE_CONSTANT.
4315
4316 2005-10-13  James E Wilson  <wilson@specifix.com>
4317
4318         * doc/invoke.texi: For -x, add f95-cpp-input.
4319         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4320
4321 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4322
4323         PR tree-optimization/24262
4324         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4325         in loop all the time.
4326
4327 2005-10-12  Richard Henderson  <rth@redhat.com>
4328
4329         PR c/24255
4330         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4331         * function.c (assign_parm_find_data_types): Don't support it.
4332         * print-tree.c (print_node): Likewise.
4333         * c-common.c (handle_transparent_union_attribute): Likewise.
4334         Use build_duplicate_type.
4335         * tree-inline.c (remap_type_1): Split out of remap_type;
4336         properly remap aggregate fields.
4337         (build_duplicate_type): New.
4338         * doc/extend.texi (Variable Attributes): Remove documentation
4339         for transparent_union.
4340
4341 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4342
4343         PR target/24284
4344         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4345         (gen_stack_pointer_dec): Likewise.
4346
4347 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4348
4349         PR middle-end/21275
4350         PR middle-end/21766
4351         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4352         target hook.
4353         (struct cxx): Add adjust_class_at_definition target hook.
4354         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4355         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4356         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4357         hook_void_tree. Add to TARGET_CXX.
4358         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4359         dllimport_flag.
4360         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4361         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4362         instead of attribute. Check for dllexport override.  Warn if
4363         inconsistent dll linkage. Don't lose old dllimport if decl has
4364         had address referenced.   Tweak lookup of dllimport atribute.
4365         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4366         for target specific rules.  Don't add dllimport attribute if
4367         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4368         dllimport attribute.
4369         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4370         * varasm.c (initializer_constant_valid_p): Replace
4371         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4372
4373         PR target/21801
4374         PR target/23589
4375         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4376         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4377         (i[34567]86-*-mingw32*): Likewise.
4378
4379         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4380         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4381
4382         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4383         C++-specific code. Change return value to bool.
4384         (i386_pe_dllimport_p): Likewise.
4385         (associated_type): Simplify and make language-independent
4386         (i386_pe_encode_section_info): Replace override of ambiguous
4387         dllimport symbol refs with a gcc_assert.
4388         (i386_pe_valid_dllimport_attribute_p): Define.
4389         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4390         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4391         i386_pe_adjust_class_at_definition.
4392         * config/i386/winnt-stubs.c: New file. Define stub versions of
4393         lang-specific functions.
4394         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4395         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4396         i386_pe_adjust_class_at_definition.
4397         (i386_pe_valid_dllimport_attribute_p): Declare.
4398         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4399         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4400         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4401
4402         PR target/19704
4403         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4404         dllimport attribute with test of DECL_DLLIMPORT_P.
4405
4406 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4407
4408         * combine.c (make_extraction): Correct offset computation.
4409
4410 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4411
4412         * config/cris/t-linux (LIMITS_H_TEST): Define.
4413
4414 2005-10-12  Richard Henderson  <rth@redhat.com>
4415
4416         PR rtl-opt/23324
4417         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4418
4419 2005-10-12  Richard Guenther  <rguenther@suse.de>
4420
4421         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4422
4423 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4424
4425         PR c++/19964
4426         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4427         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4428         type.
4429
4430 2005-10-12  Richard Guenther  <rguenther@suse.de>
4431
4432         PR c++/23799
4433         * varasm.c (output_constant): Correct typo from previous
4434         patch by DJ.
4435
4436 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4437
4438         PR rtl-optimization/13931
4439         * combine.c: Revert patch of 2003-05-14, and:
4440         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4441         completely killed in the appropriate insn.
4442         (distribute_notes): Don't skip multiple hard register test for
4443         elim_i1 and elim_i2.
4444
4445 2005-10-11  Richard Henderson  <rth@redhat.com>
4446
4447         PR c/24255
4448         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4449         to initialize a transparent union instead of a nop_expr.
4450
4451 2005-10-11  Richard Henderson  <rth@redhat.com>
4452
4453         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4454         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4455         (tree_ssa_dce_loop): Call scev_reset.
4456
4457         PR tree-opt/24300
4458         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4459         * tree-ssa-dce.c: Include cfgloop.h.
4460         (tree_ssa_dce_loop, pass_dce_loop): New.
4461         * tree-pass.h (pass_dce_loop): Declare it.
4462         * passes.c (init_optimization_passes): Use it.
4463
4464 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4465
4466         PR middle-end/24263
4467         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4468         Only apply the optimization for rounding builtins if the inner
4469         cast is also an extension.
4470
4471 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4472
4473         PR tree-opt/23946
4474         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4475         mark_new_vars_to_rename instead of update_stmt.
4476
4477 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4478
4479         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4480
4481 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4482
4483         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4484         for setting MMX register to 0 rather than mmx.
4485
4486 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4487
4488         PR target/12098
4489         * configure.ac: Move gas check from mips specific case to common case.
4490         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4491         * configure: Regenerate
4492         * doc/install.texi: Update.
4493
4494 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4495
4496         PR target/24284
4497         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4498
4499 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4500
4501         * gcc.c (do_spec_1): Accept numeric characters in file name
4502         suffixes.
4503
4504 2005-10-10  Nick Clifton  <nickc@redhat.com>
4505
4506         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4507         describing the deleted arm_gen_rotated_half_load function.
4508
4509 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4510
4511         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4512         __fpscr_values.
4513
4514 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4515
4516         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4517         gnu_ld assignments.
4518         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4519         (EXTRA_MULTILIB_PARTS): Define.
4520         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4521         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4522         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4523         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4524         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4525         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4526
4527 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4528
4529         PR tree-optimization/24226
4530         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4531         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4532         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4533         Export.
4534
4535 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4536
4537         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4538
4539 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4540
4541         PR target/24136
4542         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4543         Rewrite for no need for the early clobber.
4544
4545 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4546
4547         Merge from csl-arm-branch:
4548         2005-09-07  Paul Brook  <paul@codesourcery.com>
4549         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4550         space to string.
4551
4552         2005-04-30  Paul Brook  <paul@codesourcery.com>
4553         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4554         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4555
4556         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4557         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4558         (arm_override_options): Use TARGET_AAPCS_BASED.
4559         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4560         (PTRDIFF_TYPE): Use int for AAPCS.
4561         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4562         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4563         (DEFAULT_SHORT_ENUMS): Delete.
4564         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4565
4566         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4567         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4568         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4569         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4570
4571         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4572         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4573
4574         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4575         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4576
4577         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4578         * config.gcc (arm*-*-linux-gnueabi): Add it.
4579         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4580         redefining it.
4581         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4582         * config/arm/linux-eabi.h: New file.
4583         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4584         (LINUX_TARET_LINK_SPEC): Likewise.
4585         (LINK_SPEC): Use it.
4586         * config/arm/t-linux-eabi: New file.
4587
4588 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4589
4590         PR other/22202
4591         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4592         spaces.
4593         (PARAM_SMS_DFA_HISTORY): Likewise.
4594
4595 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4596
4597         PR middle-end/23150
4598         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4599         (load_register_parameters): Call it.
4600         (check_sibcall_argument_overlap_1): Likewise.
4601         (store_one_arg): Likewise.
4602
4603 2005-10-07  James E. Wilson  <wilson@specifix.com>
4604
4605         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4606         DImode not VECINT24 for operand 2.
4607
4608         PR target/23644
4609         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4610         -mtune-arch.
4611
4612         PR target/24193
4613         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4614         fr_spill): Use destination_operand for operand 0.
4615
4616 2005-10-07  DJ Delorie  <dj@redhat.com>
4617
4618         * varasm.c (output_constant): Limit error to expanding
4619         conversions.
4620
4621 2005-10-07  Richard Guenther  <rguenther@suse.de>
4622
4623         PR middle-end/24227
4624         * fold-const.c (fold_binary): Fix operand types during folding
4625         of X op (A, Y).  Evaluation order of the side-effects of
4626         X and A are frontend-defined, so ensure we honour that even for
4627         tcc_comparison class operands; eased by removing duplicate code.
4628
4629 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4630
4631         * stor-layout.c (layout_type): Do not allow alignment of array
4632         elements to be greater than their size.
4633
4634 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4635
4636         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4637         host_xmake_file.
4638         (hppa*-*-linux*): Ditto.
4639         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4640         * config/host-hpux.c: New.
4641         * config/x-hpux: New.
4642         * config/pa/x-hpux: Remove.
4643         * config/pa/x-linux: Remove.
4644         * config/pa/pa-host.c: Remove.
4645
4646 2005-10-07  Jeff Law  <law@redhat.com>
4647
4648         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4649         determine whether or not to try and thread outgoing edges.
4650
4651 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4652
4653         * config/rs6000/rs6000.md (eqsi_power): New.
4654         (neg_eq0si): Add TARGET_POWER to final condition.
4655         (neg_eqsi): Same.
4656
4657 2005-10-06  Richard Henderson  <rth@redhat.com>
4658
4659         * config/rs6000/rs6000.c: Revert last change.
4660
4661 2005-10-06  Richard Henderson  <rth@redhat.com>
4662
4663         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4664         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4665
4666 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4667
4668         PR middle-end/22216
4669         PR middle-end/23651
4670         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4671         out return_label and naked_return_label.
4672
4673 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4674
4675         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4676         change.
4677
4678 2005-10-06  Richard Henderson  <rth@redhat.com>
4679
4680         PR tree-opt/22237
4681         * tree-inline.c (declare_return_variable): Handle modify_dest not
4682         being a DECL.
4683
4684 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4685
4686         Fix PR tree-optimization/22488
4687         * tree-ssa-structalias.c (check_for_overlaps): New function.
4688         (create_variable_info_for): Use it.
4689
4690 2005-10-06  Richard Henderson  <rth@redhat.com>
4691
4692         PR debug/24070
4693         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4694         (dwarf2out_start_source_file): Print it.
4695
4696 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4697
4698         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4699
4700 2005-10-06  Richard Henderson  <rth@redhat.com>
4701
4702         PR 23706
4703         * mode-switching.c (optimize_mode_switching): Clear transp bit
4704         for block with incomming abnormal edges.
4705
4706         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4707         (fpscr_set_from_mem): Use them.
4708         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4709         (fpscr postinc splitters): Rewrite as peephole2+split.
4710
4711 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4712
4713         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4714         (eq<mode>_compare): Same.
4715
4716 2005-10-06  Richard Guenther  <rguenther@suse.de>
4717
4718         PR tree-optimization/24238
4719         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4720
4721 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4722
4723         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4724         here.  Use AC_PATH_PROG for environment variables instead of
4725         test -x.
4726         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4727         objdump also.
4728         * configure: Regenerated.
4729
4730 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4731
4732         PR target/23783
4733         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4734         then force it into a register.
4735         (call_value): Likewise.
4736
4737 2005-10-06  Richard Henderson  <rth@redhat.com>
4738
4739         PR 24049
4740         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4741         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4742         under pass_vectorize.
4743
4744 2005-10-05  Devang Patel  <dpatel@apple.com>
4745
4746         PR Debug/23205
4747         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4748         handling constants. Check NAMESPACE_DECL context for constants.
4749
4750 2005-10-05  Eric Christopher  <echristo@apple.com>
4751
4752         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4753
4754 2005-10-05  Richard Henderson  <rth@redhat.com>
4755
4756         PR 23714
4757         * tree-cfg.c (mark_array_ref_addressable_1): New.
4758         (mark_array_ref_addressable): New.
4759         * tree-flow.h (mark_array_ref_addressable): Declare.
4760         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4761
4762 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4763
4764         PR middle-end/20606
4765         PR middle-end/24069
4766         * reload.c (subst_reloads): When adding a REG_LABEL to a
4767         jump instruction, also update JUMP_LABEL.
4768
4769 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4770
4771         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4772         * bb-reorder.c (copy_bb_p): Use it.
4773         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4774
4775 2005-10-05  Richard Henderson  <rth@redhat.com>
4776
4777         PR target/23602
4778         * toplev.c (process_options): Warn about unsupported combinations
4779         of unwind tables and omit-frame-pointer.
4780         * config/i386/i386.c (override_options): Similarly.  Enable
4781         accumulate-outgoing-args if not explicitly disabled.
4782
4783 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4784
4785         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4786         Handle big endian vs. small endian.
4787         (vec_initv2sf): Handle big endian vs. small endian.
4788         (*vec_extractv2sf_1): Ditto.
4789
4790 2005-10-05  Dale Johannesen  <dalej@apple.com>
4791
4792         * convert.c (convert_to_real):  Don't convert
4793         (float)floor(double d) to floorf((float)d).
4794
4795 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4796
4797         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4798
4799 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4800
4801         PR tree-optimization/18587
4802         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4803         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4804         build_vuses): Change to VEC type.
4805         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4806         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4807         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4808         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4809         (get_name_decl): New.  Return DECL_UID of base variable.
4810         (operand_build_cmp): New.  qsort comparison routine.
4811         (operand_build_sort_virtual): New.  Sort virtual build vector.
4812         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4813         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4814         (FINALIZE_BASE): Use get_name_decl.
4815         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4816         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4817         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4818         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4819         direct VEC_* manipulations.
4820         (build_ssa_operands): Call operand_build_sort_virtual.
4821         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4822         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4823         with direct VEC_* manipulations.
4824         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4825         with direct VEC manipulations.
4826
4827 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4828
4829         PR tree-optimization/21419
4830         PR tree-optimization/24146
4831         PR tree-optimization/24151
4832
4833         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4834         (build_asm_expr): Call it if outputs are read-only.
4835         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4836
4837 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4838             Paolo Bonzini  <bonzini@gnu.org>
4839
4840         PR target/23809
4841
4842         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4843         enable the instructions and not just the built-ins.
4844         * doc/invoke.texi (x86 Options): Likewise.
4845
4846 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4847
4848         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4849
4850         * doc/invoke.texi (Option Summary): Correct spelling
4851         of -mmacosx-version-min.
4852
4853 2005-10-04  Devang Patel  <dpatel@apple.com>
4854
4855         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4856         real types.
4857
4858 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4859
4860         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4861         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4862
4863 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4864
4865         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4866         ("TE","tg"): New mode attributes.
4867         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4868         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4869         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4870         dword_mode and one for GPRmode.
4871
4872 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4873
4874         PR preprocessor/13726
4875         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4876         any comments passed in.
4877
4878 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4879
4880         * tree.c (annotate_with_file_line): Fix typo.
4881
4882 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4883
4884         PR ada/19382
4885         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4886         type used to access data in the inlined length == 1 case, use
4887         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4888         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4889
4890 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4891
4892         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4893         TARGET_SSE3 and only for TARGET_80387.
4894         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4895         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4896         Do not depend on TARGET_80387.
4897
4898 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4899
4900         * tree.c (last_annotated_node): Change type to location_t*.
4901         (annotate_with_file_line): Reflect the change of
4902         last_annotated_node type.
4903
4904 2005-10-04  Richard Guenther  <rguenther@suse.de>
4905
4906         PR c/23576
4907         * c-decl.c (grokdeclarator): Don't write to fields
4908         of error_mark_node.
4909
4910 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4911
4912         PR middle-end/23125
4913         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4914         register variables.
4915         * varasm.c (make_decl_rtl): If a register variable does not
4916         have a set user assmbler name, error out.
4917         Decode the asmspec is now name+1 bypassing '*'.
4918
4919 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4920
4921         PR tree-optimization/23049
4922         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4923         of a COND_EXPR is folded before calling fold on the whole rhs of a
4924         conditional assignment.
4925         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4926         document that a COND_EXPR may appear there.
4927
4928 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4929
4930         PR 23445
4931         * tree-vrp.c (extract_range_from_assert): If the new numeric
4932         range created out of the assertion contradicts the existing
4933         numeric range of the ASSERT_EXPR variable, make the new range
4934         varying.
4935
4936 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4937
4938         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4939         from T_REGS to FP register class.
4940
4941 2005-10-03  Richard Henderson  <rth@redhat.com>
4942
4943         PR 24135
4944         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4945         before creating a new one.
4946
4947 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4948
4949         * config/rs6000/t-aix43 (LDFLAGS): New.
4950         * config/rs6000/t-aix52 (LDFLAGS): New.
4951
4952 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4953
4954         * gimplify.c (find_single_pointer_decl_1): New static function.
4955         (find_single_pointer_decl): New static function.
4956         (internal_get_tmp_var): For a formal variable, set restrict base
4957         information if appropriate.
4958         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4959         return it.
4960         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4961         (DECL_GET_RESTRICT_BASE): Define.
4962         (SET_DECL_RESTRICT_BASE): Define.
4963         (decl_restrict_base_lookup): Declare.
4964         (decl_restrict_base_insert): Declare.
4965         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4966         * tree.c (restrict_base_for_decl): New static variable.
4967         (init_ttree): Initialize restrict_base_for_decl.
4968         (copy_node_stat): Copy restrict base information.
4969         (decl_restrict_base_lookup): New function.
4970         (decl_restrict_base_insert): New function.
4971         (print_restrict_base_statistics): New static function.
4972         (dump_tree_statistics): Call print_restrict_base_statistics.
4973
4974 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4975
4976         PR 24142
4977         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4978         case of anti-ranges.
4979
4980 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4981
4982         PR c/18851
4983         * c-typeck.c (tagged_tu_seen): Rename to ...
4984         (tagged_tu_seen_cache): this and add val field.
4985         (comptypes): Move functional to comptypes_internal
4986         and free tagged_tu_seen.
4987         (comptypes_internal): New function and call comptypes_internal
4988         instead of comptypes. Speed up by sibcalling
4989         tagged_types_tu_compatible_p.
4990         (alloc_tagged_tu_seen): New function
4991         (free_all_tagged_tu_seen_up_to): New function.
4992         (tagged_types_tu_compatible_p): Return the val of the seen two
4993         types.
4994         Add that the two types are the same to tagged_tu_seen_base
4995         if they are and call comptypes_internal instead of comptypes.
4996         <case UNION_TYPE>: Speed up common type where the fields are
4997         in the same order.
4998         (function_types_compatible_p): Call comptypes_internal instead of
4999         comptypes.
5000         (type_lists_compatible_p): Likewise.
5001         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5002
5003 2005-10-02  Matthias Klose  <doko@debian.org>
5004
5005         * doc/invoke.texi: Fix typo and speling error.
5006
5007 2005-10-01  Richard Henderson  <rth@redhat.com>
5008
5009         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5010
5011 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5012
5013         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5014         using --start-group and --end-group.
5015
5016 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5017
5018         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5019         FIXME note regarding quirky semantics.
5020
5021 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5022
5023         PR 24141
5024         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5025         non-null range as a last resort.
5026
5027 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5028             Diego Novillo  <dnovillo@redhat.com>
5029
5030         PR 23604
5031         * tree-vrp.c (extract_range_from_assert): For !=
5032         assertions, only build an anti-range if LIMIT is a
5033         single-valued range.
5034
5035 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5036
5037         * arm.md (movqi): On thumb when optimizing, handle loading from
5038         memory by describing this as taking a subreg of a zero-extended load
5039         into an SImode register.
5040         (movhi): Likewise.
5041
5042 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5043
5044         * reload1.c (merge_assigned_reloads): Do not change any
5045         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5046
5047 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5048
5049         * Makefile.in (LIPO_FOR_TARGET): Define.
5050         (STRIP_FOR_TARGET): Define.
5051
5052         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5053         before creating new ones.  Do symlinks before creating the actual
5054         targets.
5055
5056         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5057         to work out which multilibs are actually being built.
5058
5059 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5060
5061         * tree-vect-transform.c, config/ms1/ms1.md,
5062         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5063         Follow spelling conventions.
5064         * doc/invoke.texi, doc/md.texi: Fix typos.
5065
5066 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5067
5068         PR tree-optimization/21430
5069         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5070         use operands, and set stmt pointer if need be.
5071         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5072         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5073         present.
5074
5075 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5076
5077         PR middle-end/24053
5078         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5079
5080 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5081
5082         * optabs.c (expand_binop): Initialize first_pass_p.
5083
5084 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5085
5086         PR middle-end/24109
5087         * c-decl.c (c_write_global_declarations_1): If any
5088         wrapup_global_declaration_2 call returned true, restart the loop.
5089
5090 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5091
5092         Fix PR tree-optimization/24117
5093         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5094         before considering whether to use anyoffset.
5095
5096 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5097
5098         Revert this patch:
5099
5100         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5101
5102         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5103         to order operands.
5104         (swap_commutative_operands_with_target): New.
5105
5106 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5107
5108         PR c/21419
5109         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5110         read-only.
5111
5112 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5113
5114         PR tree-optimization/23911
5115         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5116         and IMAGPART_EXPR too.
5117
5118 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5119
5120         PR 17886
5121         * expmed.c (expand_shift): Move logic to reverse rotation
5122         direction when  rotating by constants ...
5123         * optabs.c (expand_binop): ... here.
5124         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5125         (ix86_rotrdi3): New pattern.
5126         (rotldi3): Handle 32-bit mode.
5127         (ix86_rotldi3): New pattern.
5128
5129 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5130
5131         PR target/24102
5132         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5133         check for numbers that need no bit twiddle.
5134
5135 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5136
5137         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5138         multilib to be built.
5139
5140         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5141         (stage1-start): Delete old libgcc and libunwind before moving
5142         anything into the stage directory.
5143         (stage2-start): Likewise.
5144         (stage3-start): Likewise.
5145         (stage4-start): Likewise.
5146         (stageprofile-start): Likewise.
5147         (stagefeedback-start): Likewise.
5148         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5149         header in tm_file and CPU-specific t-darwin in tmake_file.
5150         (i[34567]86-*-darwin*): Don't change tm_file.
5151         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5152         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5153         shared library stub for target OS version.
5154         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5155         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5156         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5157         (libgcc_s.%.dylib): New.
5158         (LIBGCC): Define.
5159         (install-darwin-libgcc-stubs): New.
5160         (INSTALL_LIBGCC): New append.
5161         * config/i386/darwin-libgcc.10.4.ver: New.
5162         * config/i386/darwin-libgcc.10.5.ver: New.
5163         * config/i386/t-darwin: New.
5164         * config/rs6000/darwin-libgcc.10.4.ver: New.
5165         * config/rs6000/darwin-libgcc.10.5.ver: New.
5166         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5167         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5168
5169 2005-09-28  Paul Brook  <paul@codesourcery.com>
5170
5171         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5172         denormals.
5173
5174 2005-09-28  Richard Guenther  <rguenther@suse.de>
5175
5176         PR tree-optimization/23853
5177         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5178         host_integerp to verify misalignment value.
5179
5180 2005-09-28  Richard Henderson  <rth@redhat.com>
5181
5182         * builtins.c (get_builtin_sync_mode): New.
5183         (expand_builtin_sync_operation): Pass in mode argument.
5184         (expand_builtin_compare_and_swap): Likewise.
5185         (expand_builtin_lock_test_and_set): Likewise.
5186         (expand_builtin_lock_release): Likewise.
5187         (expand_builtin): Update to match.
5188
5189 2005-09-28  Nick Clifton  <nickc@redhat.com>
5190
5191         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5192         formatting.  Add check to PLUS case to ensure that the offset is
5193         within an acceptable range.
5194
5195         * config/v850/v850.md (casesi): Disable the generation of the
5196         switch pattern as it is not being handled properly at the moment.
5197
5198         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5199         for when the high words are identical.
5200
5201 2005-09-27  Richard Henderson  <rth@redhat.com>
5202
5203         * pretty-print.c (pp_base_format): Fix typo for %>.
5204
5205 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5206             Devang Patel  <dpatel@apple.com>
5207
5208         PR tree-optimization/23625
5209         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5210         LABEL_EXPR, assertion check.
5211
5212 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5213
5214         * optabs.c (no_conflict_move_test): Check if a result of a
5215         to-be-moved insn would be clobbered by an originally
5216         preceding insn.
5217
5218 2005-09-27  Jeff Law  <law@redhat.com>
5219
5220         * passes.c (init_optimization_passes): Replace copy propagation
5221         passes immediately after DOM with phi-only copy propagation
5222         pases.  Add phi-only copy propagation pass after first DOM pass.
5223         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5224         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5225         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5226         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5227         to init_copy_prop.  Callers updated.
5228         (do_phi_only_copy_prop): New function.
5229         (pass_phi_only_copy_prop): New pass descriptor.
5230
5231 2005-09-27  Nick Clifton  <nickc@redhat.com>
5232
5233         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5234
5235 2005-09-26  Jason Merrill  <jason@redhat.com>
5236
5237         PR c++/13764
5238         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5239
5240         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5241
5242 2005-09-26  James E Wilson  <wilson@specifix.com>
5243
5244         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5245         copyright.  Add gcc copyright plus libgcc exception.
5246         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5247         copyright.
5248         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5249
5250 2005-09-26  Jeff Law  <law@redhat.com>
5251
5252         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5253         about when to iterate.
5254
5255 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5256
5257         PR target/23847
5258         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5259         for __complex__ double in -mcpu=G5 mode.
5260
5261 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5262
5263         PR tree-optimization/23942
5264         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5265         * tree-scalar-evolution.c: Include params.h.
5266         (t_bool): New enum.
5267         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5268         follow_ssa_edge_in_condition_phi_branch,
5269         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5270         Change return type to t_bool.  Use a parameter to limit the size of
5271         trees that are walked before stopping
5272         (analyze_evolution_in_loop): Initialize the limit to 0.
5273         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5274         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5275
5276 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5277
5278         PR middle-end/23831
5279         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5280         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5281
5282 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5283
5284         * combine.c (make_extraction): Check for valid use of subreg.
5285
5286 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5287
5288         PR target/24055
5289         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5290         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5291         ("fist<mode>2_with_temp"): Use only register operands.
5292
5293 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5294
5295         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5296         CALL_INSN_FUNCTION_USAGE.
5297
5298 2005-09-26  Richard Guenther  <rguenther@suse.de>
5299
5300         PR middle-end/15855
5301         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5302         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5303         (ldst_entry): Use the hashtable instead of list-walking.
5304         (find_rtx_in_ldst): Likewise.
5305         (free_ldst_entry): Free the hashtable.
5306         (compute_ld_motion_mems): Create the hashtable.
5307         (trim_ld_motion_mems): Remove entry from hashtable if
5308         removing it from list.
5309         (compute_store_table): Likewise^2.
5310         (store_motion): Free hashtable in case we did not see
5311         any stores.
5312
5313 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5314
5315         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5316         and arg1 if we are passing them to fold_build2.
5317
5318 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5319
5320         PR 23828
5321         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5322         a nested function.
5323
5324 2005-09-25  Richard Henderson  <rth@redhat.com>
5325
5326         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5327         SYMBOL_REF_TLS_MODEL to be correct.
5328
5329 2005-09-24  Richard Henderson  <rth@redhat.com>
5330
5331         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5332         end of function.  Reindent.
5333
5334 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5335
5336         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5337         NEGATE_EXPR/BIT_NOT_EXPR case.
5338
5339 2005-09-24  Richard Henderson  <rth@redhat.com>
5340
5341         * c-common.c (handle_mode_attribute): When not modifying in place,
5342         create subtypes for enumerations.
5343         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5344         * gimplify.c (create_tmp_from_val): Likewise.
5345
5346 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5347
5348         * config/i386/i386.md (*tls_global_dynamic_64,
5349         *tls_local_dynamic_base_64): Add missing mode to call.
5350         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5351
5352 2005-09-24  Jan Hubicka  <jh@suse.cz>
5353
5354         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5355         (cgraph_clone_node): Likewise.
5356         * cgraph.h (cgraph_clone_edge): Update prototype.
5357         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5358         duplicated prototypes; add updating argument.
5359         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5360         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5361         updating profile.
5362         (cgraph_mark_inline_edge): Likewise.
5363         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5364         (cgraph_flatten_node): Likewise.
5365         (cgraph_decide_recursive_inlining): Likewise.
5366         (cgraph_decide_inlining_of_small_function): Likewise.
5367         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5368
5369 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5370             Pete Steinmetz <steinmtz@us.ibm.com>
5371
5372         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5373         (rldic.): Set type to "compare".
5374         (rldicr.): Same.
5375         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5376         mfjmpr for MFCTR/MFLR.
5377         (movdf_hardfloat64): Same.
5378         (movdf_softfloat64): Same.  Correct order of store and move types.
5379         (movti_string): Set type to store_ux/load_ux.
5380         (load_multiple): Set type to load_ux.
5381         (store_multiple): Set type to store_ux.
5382         (movmemsi): Set type to store_ux.
5383         (output_cbranch direct_return): Set type to jmpreg.
5384         (stmw): Set type to store_ux.
5385         (lmw): Set type to load_ux.
5386         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5387         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5388         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5389         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5390         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5391         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5392         (rios1-fpstore): Increase latency to 3.
5393         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5394         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5395
5396 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5397             Andrew Pinski  <pinskia@physics.uc.edu>
5398
5399         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5400         operand2 constraint to "b".
5401         (sync_<fetchop_name>di_internal): Same.
5402         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5403         to "b".
5404         (sync_old_<fetchop_name>di_internal): Same.
5405         (sync_new_<fetchop_name>si_internal): Same.
5406         (sync_new_<fetchop_name>di_internal): Same.
5407
5408 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5409
5410         PR middle-end/23991
5411         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5412         case, define as macros.
5413
5414         PR rtl-optimization/23837
5415         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5416         clobber / clobber match between dest and p->first.
5417
5418         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5419         (no_conflict_move_test): Update comments.
5420
5421 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5422
5423         * doc/install.texi: Update URL for Jacks.
5424         * doc/sourcebuild.texi: Likewise.
5425
5426 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5427
5428         PR target/24007
5429         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5430         registers when choosing register preferences.
5431         (movdf_hardfloat64): Same.
5432
5433 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5434
5435         * expmed.c (expand_shift): Don't use the target of the rotate as
5436         target for the first expanded shift insn.
5437         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5438
5439 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5440
5441         PR tree-optimization/22438
5442         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5443         preserved iv rhs rewriting specially.
5444
5445 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5446
5447         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5448         estimate_only  is true.
5449         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5450         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5451         tree-ssa-structalias.c
5452         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5453         ref_contains_indirect_ref.
5454         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5455
5456 2005-09-21  DJ Delorie  <dj@redhat.com>
5457
5458         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5459         MASK_PTR_A0D0.
5460         (mn10300_return_in_memory): Support variable size types also.
5461         (mn10300_pass_by_reference): Likewise.
5462         (mn10300_function_value): New.
5463         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5464         (FUNCTION_OUTGOING_VALUE): Likewise.
5465         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5466         * doc/invoke.texi: Document it.
5467
5468 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5469
5470         PR target/22585
5471         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5472         force integer op1 into register for XFmode compares.
5473
5474 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5475
5476         PR middle-end/23971
5477         * expmed.c (alg_code): Add alg_impossible.
5478         (alg_hash_entry): Add cost.
5479         (synth_mult): Record alg_impossible in the hash table if
5480         multiplication by a given integer is impossble within the
5481         limit.  Speed up using alg_impossible.
5482
5483 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5484
5485         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5486         argument.  Allow and set any offset if needs_anyoffset is passed
5487         in.
5488         (get_constraint_for): Add argument here too.
5489         Pass it down.
5490         (do_structure_copy): Pass NULL to get_constraint_for.
5491         (handle_ptr_arith): Ditto.
5492         (find_func_aliases): Ditto.
5493
5494 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5495
5496         PR rtl-optimization/23898
5497         * output.h (get_attr_min_length): Declare.
5498         * final.c (get_attr_length_1): New function, broken out of:
5499         (get_attr_length).
5500         (get_attr_min_length): New function.
5501         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5502         (duplicate_computed_gotos): Likewise.
5503         * genattr.c (insn_min_length): Generate declaration.
5504         * genattrtab.c (min_fn, min_attr_value): New functions.
5505         (make_length_attrs): Generate insn_min_length.
5506
5507 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5508
5509         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5510
5511 2005-09-20  Richard Henderson  <rth@redhat.com>
5512
5513         PR tree-optimization/24059
5514         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5515         EXPAND_STACK_PARM.
5516
5517 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5518
5519         * c.opt (fextended-identifiers): New.
5520         * c-opts.c (c_common_handle_option): Handle
5521         -fextended-identifiers.
5522         * doc/cpp.texi: Update documentation of extended identifiers.
5523         * doc/cppopts.texi (-fextended-identifiers): Document.
5524
5525 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5526
5527         PR tree-optimization/23929
5528         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5529         if expr is NULL.
5530
5531         PR tree-optimization/23818
5532         * tree-stdarg.c (execute_optimize_stdarg): Call
5533         calculate_dominance_info.
5534
5535 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5536
5537         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5538         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5539         (compute_overlap_steps_for_affine_1_2): Use
5540         get_number_of_iters_for_loop.
5541         (analyze_subscript_affine_affine): Check whether difference is
5542         zero first.
5543         Use get_number_of_iters_for_loop.
5544         Check whether overlap occurs outside of bounds.
5545         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5546
5547 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5548
5549         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5550         base register if possible.
5551
5552 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5553
5554         PR tree-optimization/18463
5555         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5556         converting it directly is not possible.
5557         (chrec_convert_aggressive): New function.
5558         * tree-chrec.h (chrec_convert_aggressive): Declare.
5559         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5560         Fold chrec conversions aggressively if asked to.
5561         (instantiate_parameters): Modified because of changes in
5562         instantiate_parameters_1.
5563
5564 2005-09-19  Richard Henderson  <rth@redhat.com>
5565
5566         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5567         (reduc_splus_v2df): New.
5568
5569 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5570
5571         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5572         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5573
5574 2005-09-19  Richard Henderson  <rth@redhat.com>
5575
5576         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5577         vcondu<SSEMODE12>.
5578
5579 2005-09-19  Richard Henderson  <rth@redhat.com>
5580
5581         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5582         (ia64_expand_dot_prod_v8qi): New.
5583         * config/ia64/ia64-protos.h: Update.
5584         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5585         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5586         sdot_prodv8qi, sdot_prodv4hi): New.
5587         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5588
5589 2005-09-19  Richard Henderson  <rth@redhat.com>
5590
5591         PR 23941
5592         * real.c (exact_real_truncate): Return false if the format cannot
5593         represent the number as a normal.
5594
5595         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5596         for a memory source.
5597
5598 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5599
5600         * tree-ssa-operands.c (swap_tree_operands): Export.
5601         * tree.h (swap_tree_operands): Declare.
5602         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5603         Call swap_tree_operands.
5604
5605 2005-09-19  Richard Henderson  <rth@redhat.com>
5606
5607         * tree-flow.h (merge_alias_info): Declare.
5608         * tree-ssa-copy.c (merge_alias_info): Export.
5609         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5610         (vect_create_data_ref_ptr): Use create_iv directly.
5611         (vectorizable_load): Use correct types for integer constants.
5612         (vect_generate_tmps_on_preheader): Likewise.
5613         (vect_gen_niters_for_prolog_loop): Likewise.
5614
5615 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5616
5617         PR rtl-optimization/23943
5618         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5619
5620 2005-09-18  Jan Hubicka  <jh@suse.cz>
5621
5622         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5623
5624 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5625
5626         * varasm.c (output_constant): Do not abort on conversions to union
5627         types between different sizes.
5628
5629 2005-09-18  Richard Guenther  <rguenther@suse.de>
5630
5631         PR middle-end/23944
5632         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5633         fallback.
5634
5635 2005-09-18  Paul Brook  <paul@codesourcery.com>
5636
5637         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5638
5639 2005-09-17  Richard Henderson  <rth@redhat.com>
5640
5641         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5642         * tree-ssa-loop.c (pass_vect_dce): Remove.
5643         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5644         of pass_vectorize.
5645
5646 2005-09-17  Richard Henderson  <rth@redhat.com>
5647
5648         * tree-pass.h (pass_vect_dce): Declare.
5649         * passes.c (init_optimization_passes): Add it.
5650         * tree-flow.h (tree_ssa_dce): Declare.
5651         * tree-ssa-dce.c (tree_ssa_dce): Export.
5652         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5653         (gate_tree_vectorize): ... here.
5654         (pass_vect_dce): New.
5655
5656 2005-09-17  Jan Hubicka  <jh@suse.cz>
5657
5658         * except.c (struct eh_status): Turn region_array into vec.
5659         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5660         convert_from_eh_region_ranges, find_exception_handler_labels,
5661         current_function_has_exception_handlers, assign_filter_values,
5662         build_post_landing_pads, dw2_build_landing_pads,
5663         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5664         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5665         foreach_reachable_handler, can_throw_internal_1,
5666         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5667         region_array.
5668         (duplicate_eh_region_1): Update region_array.
5669         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5670
5671 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5672
5673         PR middle-end/22067
5674         * expmed.c (expand_mult): Substitute simple register for op0 when
5675         computing max_cost.
5676
5677 2005-09-17  Richard Henderson  <rth@redhat.com>
5678
5679         * expr.c (emit_move_via_integer): Add force argument, pass it on
5680         to emit_move_change_mode.  Update callers.
5681         (emit_move_complex): Pass true to new force argument.
5682         * function.c (expand_function_end): Move expand_eh_return call
5683         earlier.  Merge sub-word complex values into a pseudo before
5684         copying to the return hard register.
5685
5686 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5687
5688         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5689         between different sizes.
5690
5691 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5692
5693         PR 23903
5694
5695         * passes.c (init_optimization_passes): Register dump files for
5696         IPA passes first.
5697
5698 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5699
5700         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5701         * config/s390/s390.c (s390_overlap_p): New function.
5702         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5703         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5704         condition.
5705
5706 2005-09-16  Richard Guenther  <rguenther@suse.de>
5707
5708         * ipa-pure-const.c (static_execute): Free auxiliar information.
5709         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5710         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5711
5712 2005-09-15  DJ Delorie  <dj@redhat.com>
5713
5714         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5715
5716 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5717
5718         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5719         to order operands.
5720         (swap_commutative_operands_with_target): New.
5721
5722 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5723
5724         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5725         parameter.
5726         Update callers.
5727         (estimate_iters_using_array): New function.
5728         * tree-data-ref.h (estimate_iters_using_array): Prototype
5729         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5730         Use estimate_iters_using_array instead of analyze_array.
5731
5732 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5733
5734         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5735         as addressable.
5736
5737 2005-09-15  Michael Matz  <matz@suse.de>
5738
5739         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5740
5741 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5742
5743         PR tree-optimization/23835
5744         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5745         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5746
5747 2005-09-14  Richard Henderson  <rth@redhat.com>
5748
5749         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5750         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5751
5752 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5753
5754         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5755         in the ARRAY_TYPE case.
5756
5757 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5758
5759         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5760
5761 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5762
5763         PR middle-end/22480
5764         * tree-vect-transform.c (vectorizable_operation): Return false for
5765         scalar shift operations and for vector shift operations with
5766         non-invariant shift arguments.  Use scalar tree operand op1 as
5767         a shift operand when vector shift insn pattern uses scalar shift
5768         operand.
5769         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5770
5771 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5772
5773         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5774         value if it has side-effects.
5775
5776 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5777
5778         PR target/22068
5779         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5780
5781 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5782
5783         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5784         passed as NAME as if it were label at start of function code.
5785
5786 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5787
5788         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5789         the constraints.
5790
5791 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5792
5793         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5794         as early clobber.  Rewrite so the PIC register is not implicitly used.
5795
5796 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5797
5798         * tree.c (annotate_with_file_line): Compare line numbers before
5799         file names.
5800
5801 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5802
5803         PR target/23816
5804         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5805         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5806
5807 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5808
5809         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5810         than a HOST_WIDEST_INT to gen_doloop_begin.
5811
5812 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5813
5814         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5815
5816 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5817
5818         PR tree-optimize/23817
5819         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5820
5821 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5822
5823         PR target/23774
5824         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5825         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5826         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5827         (restore_stack_nonlocal): Likewise.
5828         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5829
5830 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5831
5832         PR g++/7874
5833         * c.opt (ffriend-injection): New C++ option.
5834         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5835         (C++ Dialect Options): Document -ffriend-injection.
5836
5837 2005-09-12  Josh Conner  <jconner@apple.com>
5838
5839         PR middle-end/23237
5840         * ipa-reference.c (static_execute): Don't mark variables in
5841         named sections TREE_READONLY.
5842
5843 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5844
5845         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5846         stack_tie.
5847
5848 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5849
5850         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5851         V_MUST_DEF instead of just the first_use_p.
5852         Don't mark the virtual variables for renaming on the statement which
5853         is being removed.
5854         (pass_dse): Remove TODO_update_ssa.
5855
5856 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5857
5858         PR middle-end/23290
5859         * stor-layout.c (compute_record_mode): For records with a single
5860         field, actually check the field's mode size against the type size.
5861
5862         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5863         registers for TARGET_SHMEDIA.
5864         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5865         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5866         of GENERAL_REGS and FP_REGS.
5867
5868 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5869
5870         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5871
5872 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5873
5874         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5875         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5876         are omitted.  Exclude stack_tie insn too.
5877
5878 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5879
5880         PR rtl-optimization/23098
5881         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5882         0.0f is easy.
5883         * config/rs6000/rs6000.md (movdf splitter): Use
5884         const_double_operand predicate for TARGET_POWERPC64.
5885         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5886         SYMBOL_REF method to ABI_V4.
5887
5888         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5889         replace_equiv_address.
5890         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5891         rs6000_sr_alias_set and MEM_NOTRAP.
5892         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5893
5894 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5895
5896         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5897         handle CALL_EXPR again.
5898
5899 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5900
5901         * arm/predicates.md (alignable_memory_operand): Delete.
5902
5903 2005-09-10  Richard Henderson  <rth@redhat.com>
5904
5905         PR debug/23806
5906         * dbxout.c (dbxout_expand_expr): New.
5907         (dbxout_symbol): Use it.
5908
5909 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5910
5911         * arm.c (arm_gen_rotated_half_load): Delete.
5912         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5913         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5914         (thumb_set_return_address): Likewise.
5915         (thumb_load_double_from_address): Use adjust_address.
5916         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5917         (extendhsisi2_mem, movhi_bytes): Use change_address.
5918         (movhi): Use widen_memory_access.
5919         (reload_out_df): Use replace_equiv_address.
5920         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5921
5922 2005-09-09  Richard Henderson  <rth@redhat.com>
5923
5924         PR debug/20998
5925         * dbxout.c: Include expr.h.
5926         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5927         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5928         * Makefile.in (dbxout.o): Add EXPR_H.
5929
5930 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5931
5932         PR tree-optimization/23509
5933         * tree-cfg.c (replace_uses_by): Use replace_exp.
5934         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5935         pointers have name_mem_tag or type_mem_tag set.
5936
5937 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5938
5939         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5940         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5941         of wrongly accessing operands.
5942
5943 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5944
5945         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5946         * tree-chrec.c: Include tree-scalar-evolution.h.
5947         (chrec_convert): Instantiate the base and step before calling
5948         scev_probably_wraps_p that would fail on parametric evolutions.
5949         Collect all the fails into a single section failed_to_convert,
5950         print a diagnostic, and return chrec_dont_know instead of calling
5951         fold_convert.
5952         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5953         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5954         phi nodes.
5955         (scev_const_prop): Don't replace the definition of a loop closed ssa
5956         phi node by itself, or by another loop closed ssa phi node.
5957         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5958         that base and step are defined.
5959
5960 2005-09-09  Richard Guenther  <rguenther@suse.de>
5961
5962         PR c++/23624
5963         * fold-const.c (fold_ternary): Check truth_value_p before
5964         calling invert_truthvalue.
5965
5966 2005-09-09  Nick Clifton  <nickc@redhat.com>
5967
5968         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5969         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5970         dimension of these arrays.
5971         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5972         these arrays.
5973         * longlong.h: Only provide a prototype for the __clz_tab[] array
5974         if this header has not been included from libgcc2.h.
5975         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5976         defining own types.
5977         Provide prototypes for exported functions.
5978         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5979         libgcc2.c.
5980
5981 2005-09-08  Josh Conner  <jconner@apple.com>
5982
5983         PR c++/21135
5984         PR c++/23180
5985         * expr.c (expand_expr_addr_expr_1): Don't invoke
5986         expand_simple_binop for EXPAND_INITIALIZER.
5987
5988 2005-09-08  Richard Henderson  <rth@redhat.com>
5989
5990         PR debug/23190
5991         * toplev.c (wrapup_global_declaration_1): Split out ...
5992         (wrapup_global_declaration_2): ... from ...
5993         (wrapup_global_declarations): ... here.  Return bool.
5994         (check_global_declaration_1): Split out ...
5995         (check_global_declarations): from here.
5996         (emit_debug_global_declarations): New.
5997         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5998         check_global_declaration_1, emit_debug_global_declarations): Declare.
5999         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6000         of decls.  Call wrapup_global_declaration_1,
6001         wrapup_global_declaration_2, check_global_declaration_1 directly.
6002         (c_write_global_declarations_2): New.
6003         (ext_block): New.
6004         (c_write_global_declarations): Call c_write_global_declarations_2.
6005         * langhooks.c (write_global_declarations): Call
6006         emit_debug_global_declarations.
6007
6008         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6009         remove decls that have DECL_RTL_SET_P.
6010         * passes.c (rest_of_decl_compilation): Invoke
6011         cgraph_varpool_finalize_decl for all but functions.
6012
6013 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6014
6015         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6016         the result of a conversion if the new min and max cannot be compared.
6017
6018 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6019
6020         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6021         (override_options): Setting s390_sr_alias_set removed.
6022         (save_fpr, save_gprs): Set alias set to vararg or frame.
6023         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6024         s390_sr_alias_set with get_frame_alias_set ().
6025         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6026         get_varargs_alias_set ().
6027
6028 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6029
6030         PR objc/20574
6031         PR objc/19324
6032         * c-parser.c (c_parser_objc_method_definition): If the next
6033         token is not "{", error out and don't start the function.
6034
6035 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6036
6037         * tree-vrp.c (extract_range_from_expr): Move the check for non
6038         nullness after the check for gimple invariant.
6039
6040 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6041
6042         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6043
6044 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6045
6046         PR target/23747
6047         * config/m32r.md (movmemsi_internal): Canonicalize order of
6048         operands in PLUS component of template.
6049
6050 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6051
6052         * reload1.c (fixup_eh_region_note): Remove assertion.
6053         (fixup_abnormal_edges): Reverted removal of call to
6054         find_many_sub_basic_blocks made on 2005-08-31.
6055
6056 2005-09-07  Richard Henderson  <rth@redhat.com>
6057
6058         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6059         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6060         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6061         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6062         rearrange for better packing.
6063         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6064         (lookup_cfa_1): Remove inline marker.
6065         (cfa_equal_p): Split out of ...
6066         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6067         (build_cfa_loc): Handle !cfa->indirect.
6068         (frame_pointer_cfa_offset): New.
6069         (dbx_reg_number): Assert register elimination performed; do
6070         leaf register remapping.
6071         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6072         (eliminate_reg_to_offset): New.
6073         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6074         for verifiably local stack frame addresses; re-base to CFA.
6075         (mem_loc_descriptor): Remove can_use_fbreg argument.
6076         (concat_loc_descriptor, loc_descriptor): Likewise.
6077         (containing_function_has_frame_base): Remove.
6078         (rtl_for_decl_location): Don't do register elimination or
6079         leaf register remapping here.
6080         (secname_for_decl): Split out from ..
6081         (add_location_or_const_value_attribute): ... here.
6082         (convert_cfa_to_loc_list): New.
6083         (compute_frame_pointer_to_cfa_displacement): New.
6084         (gen_subprogram_die): Use them.
6085         * tree.h (frame_base_decl): Remove.
6086         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6087         (prologue_stack_adjust): Remove.
6088         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6089         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6090         (set_frame_base_location): Remove.
6091         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6092         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6093         (vt_add_function_parameters): Don't eliminate_regs.
6094         (vt_initialize): Don't create frame_base_decl.
6095
6096 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6097
6098         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6099         version of GNU binutils for 4.x and later.
6100
6101 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6102
6103         * ggc-page.c (ggc_push_context): Remove.
6104         (ggc_pop_context): Likewise.
6105         * ggc.h (ggc_push_context): Remove.
6106         (ggc_pop_context): Likewise.
6107
6108 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6109
6110         PR target/8973
6111         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6112         returning from an interrupt handler.
6113
6114 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6115
6116         PR target/8972
6117         * config/arc/arc.c (output_shift): Add check for loop count when
6118         optimizing.
6119
6120 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6121
6122         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6123         form manually.
6124         (abs_replacement): Likewise.
6125         (pass_phiopt): Remove TODO_update_ssa.
6126
6127 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6128
6129         PR c/23075
6130         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6131         if "return with no value, in function returning non-void" warning
6132         has been issued.
6133         * tree-cfg.c (execute_warn_function_return): Don't look at
6134         RETURN_EXPRs with TREE_NO_WARNING set.
6135
6136         PR target/22362
6137         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6138         for internal functions doesn't use registers used by global registers
6139         variables.  Use fewer register parameters if there are global register
6140         variables.
6141
6142 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6143             Eric Botcazou  <ebotcazou@adacore.com>
6144
6145         PR middle-end/14997
6146         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6147         when we would be extracting outside its bit span (bitpos+bitsize
6148         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6149         Ada unchecked conversions.
6150
6151 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6152
6153         * tree-ssa-pre.c (try_look_through_load): New function.
6154         (compute_avail): Use it to try to look through loads for some
6155         more useful expressions.
6156
6157 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6158
6159         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6160         condition for detecting cases like (a&a) and (a^a).
6161
6162 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6163
6164         * common.opt: Add option ftree-vect-loop-version.
6165         * params.def: Add --param vect-max-version-checks.
6166         * doc/invoke.texi: Document ftree-vect-loop-version and
6167         --param vect-max-version-checks.
6168         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6169         may_misalign_stmts and defines for accessors.
6170         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6171         LOOP_VINFO_MAY_MISALIGN_STMTS.
6172         (destroy_loop_vec_info): VEC_free for
6173         LOOP_VINFO_MAY_MISALIGN_STMTS.
6174         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6175         Update documentation.
6176         (vect_update_misalignment_for_peel): New.
6177         (vect_enhance_data_refs_alignment): Update to choose loop
6178         peeling or loop versioning if appropriate for the (potentially)
6179         unaligned data references in the loop.
6180         (vect_analyze_data_refs_alignment): Remove call to
6181         vect_enhance_data_refs_alignment so the checks can be done
6182         earlier.
6183         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6184         and move up call to vect_analyze_data_refs_alignment.
6185         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6186         (vect_transform_loop): Add call to loop_version.
6187
6188 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6189
6190         PR rtl-optimization/23098
6191         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6192         * simplify-rtx.c (constant_pool_reference_p): New function.
6193         * rtl.h (constant_pool_reference_p): New prototype.
6194         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6195         constant_pool_reference_p in condition and
6196         avoid_constant_pool_reference in preparation statements.
6197
6198 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6199
6200         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6201         STRICT_LOW_PART SETs.
6202
6203 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6204
6205         PR middle-end/21460
6206         * except.c (sjlj_emit_function_enter): Find the function begin
6207         note even when it's not in first basic block.
6208
6209 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6210
6211         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6212         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6213         * aclocal.m4: Regenerate.
6214
6215 2005-09-05  DJ Delorie  <dj@redhat.com>
6216
6217         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6218         of macro.
6219
6220 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6221
6222         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6223         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6224         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6225         Follow spelling conventions.
6226         * doc/invoke.texi: Follow spelling conventions.
6227
6228 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6229
6230         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6231         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6232         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6233
6234 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6235
6236         PR target/23683
6237         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6238         (output_stack_adjust): Use gen_tmp_stack_mem.
6239         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6240         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6241         (sh_get_pr_initial_val): Likewise.
6242         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6243         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6244         * sh.md (divsi_inv_m0): Use gen_const_mem.
6245         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6246         (movdf_i4+1): Use gen_tmp_stack_mem.
6247         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6248         (fpu_switch+2): Likewise.
6249         (movv4sf_i, movv16sf_i): Use adjust_address.
6250         (symGOT_load): Set MEM_NOTRAP_P bit.
6251
6252 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6253
6254         PR target/23721
6255         * pa.c (emit_move_sequence): Fix typo in last change.
6256
6257 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR rtl-optimization/23454
6260         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6261         is true.
6262
6263 2005-09-03  Richard Henderson  <rth@redhat.com>
6264             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6265
6266         PR middle-end/23671
6267         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6268         gen_rtx_MEM.
6269
6270 2005-09-02  Nicolas Pitre <nico@cam.org>
6271
6272         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6273         to bit_count to 32 bits.
6274
6275 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6276
6277         PR c++/23167
6278         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6279         generating synthetic loads from volatile lvalues.
6280
6281 005-09-02  Nick Clifton  <nickc@redhat.com>
6282
6283         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6284         __ctzhi2, __clzhi2): New functions.
6285
6286 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6287
6288         PR middle-end/23547
6289         * tree-nested.c (struct var_map_elt): Mark with GTY.
6290         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6291         var_map_elt.
6292         (lookup_field_for_decl): Allocate new element in GC memory.
6293         (lookup_tramp_for_decl): Likewise.
6294         (convert_nl_goto_reference): Likewise
6295         (create_nesting_tree): Allocate info in GC memory. Likewise for
6296         info->var_map.
6297         (free_nesting_tree): Free with ggc_free instead of free.
6298         (root): New static variable.
6299         (lower_nested_functions): Remove root as local variable.  And zero out
6300         root at the end of the function.
6301
6302 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6303
6304         PR rtl-optimization/20365
6305         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6306         to short.  New member ix.
6307         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6308         (simplify_plus_minus): Initialize ix members before calling qsort.
6309
6310 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6311
6312         PR tree-optimization/23626
6313         * tree-cfg.c (replace_uses_by): Clean up eh info.
6314
6315 2005-09-01  DJ Delorie  <dj@redhat.com>
6316
6317         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6318         fprintf.
6319
6320 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6321
6322         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6323         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6324         gen_rtx_MEM.
6325
6326 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6327
6328         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6329         do not issue warning for a variable definition following
6330         a declaration.
6331
6332 2005-09-01  Richard Henderson  <rth@redhat.com>
6333
6334         PR 23668
6335         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6336         conversion to CONST_VECTOR.
6337
6338 2005-09-01  Richard Henderson  <rth@redhat.com>
6339
6340         PR 23676
6341         * reload1.c (reload_as_needed): Check !CALL_P before calling
6342         fixup_eh_region_note.
6343         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6344
6345 2005-09-01  DJ Delorie  <dj@redhat.com>
6346
6347         * varasm.c (output_constant): Let the target resolve
6348         conversions of addresses to non-default pointer sizes.
6349
6350 2005-09-01  Nicolas Pitre <nico@cam.org>
6351
6352         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6353         to alow matching ARM pre-indexed addressing mode.
6354         (arm_override_options): Remove now irrelevant comment.
6355
6356 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6357
6358         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6359         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6360         * config/i386/vxworks.h:  Likewise.
6361         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6362         * config/i386/vxworksae.h:  Likewise.
6363
6364 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6365
6366         PR tree-optimization/23410
6367         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6368         sequence is not wrapping during the first step.
6369
6370 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6371
6372         PR debug/7241
6373         * dwarf2out.c (base_type_die): Compare char_type_node with
6374         TYPE_MAIN_VARIANT (type), not type.
6375
6376 2005-09-01  Richard Guenther  <rguenther@suse.de>
6377
6378         PR tree-optimization/15366
6379         * common.opt: Add -finline-functions-called-once.
6380         Put -fearly-inlining in alphabetically ordered place.
6381         * doc/invoke.texi: Document new option.
6382         * ipa-inline.c (cgraph_decide_inlining): Honour
6383         flag_inline_functions_called_once.
6384
6385 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6386
6387         PR rtl-optimization/23478
6388         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6389         (alloc_qty): Initialize it.
6390         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6391         (combine_regs): Combine also n_throwing_calls_crossed fields.
6392         (find_free_reg): Don't attempt to caller-save pseudos crossing
6393         calls that might throw.
6394         * global.c (struct allocno): Add throwing_calls_crossed field.
6395         (global_alloc): Revert 2005-08-22 change.  Initialize
6396         throwing_calls_crossed.
6397         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6398         might throw.
6399
6400 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6401
6402         PR target/23649
6403         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6404         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6405         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6406         (and64_2_operand): Tweak to use predicate.
6407         (and_operand): Adjust for mask_operand changes.
6408         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6409         (print_operand): Likewise.
6410         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6411         (mask64_1or2_operand): Delete.
6412         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6413         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6414         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6415         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6416         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6417         (rotldi3_internal4): Likewise.
6418         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6419         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6420         (ashldi3_internal7): Likewise.
6421         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6422         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6423         (anddi3 split): Don't match mask64_operand.
6424         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6425         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6426         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6427         't' splitter predicate.
6428         (movdi_internal64 + 2): Revert 2005-06-11 change.
6429
6430 2005-08-31  DJ Delorie  <dj@redhat.com>
6431
6432         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6433         (m32c_asm_integer): Add support for 32 bit pointers.
6434
6435 2005-08-31  Richard Henderson  <rth@redhat.com>
6436
6437         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6438         component-like references for setting MEM_NOTRAP_P.
6439
6440         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6441         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6442
6443 2005-08-31  Richard Henderson  <rth@redhat.com>
6444
6445         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6446         into a pseudo before applying gen_lowpart.
6447
6448 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6449
6450         * doc/install.texi (Specific): Update cctools version required
6451         for full functionality.
6452         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6453         linkers as -macosx_version_min.
6454
6455 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6456
6457         PR target/21255
6458         * sh.c (print_operand, %R and %S): Add handling of floating point
6459         registers, memory, constants and invalid operands.
6460
6461 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6462
6463         * ipa-pure-const.c: Change dump name.
6464
6465 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6466
6467         PR target/23570
6468         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6469         to "reg_or_0_operand".
6470         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6471
6472 2005-08-31  Dale Johannesen  <dalej@apple.com>
6473
6474         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6475         loops that count down.
6476
6477 2005-08-31  Richard Henderson  <rth@redhat.com>
6478
6479         PR rtl-opt/23601
6480         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6481         (fixup_eh_region_note): New.
6482         (reload_as_needed): Call it.
6483         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6484         don't call find_many_sub_basic_blocks; call verify_flow_info.
6485         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6486         (keep_stack_depressed): Likewise.
6487         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6488
6489 2005-08-31  Richard Henderson  <rth@redhat.com>
6490
6491         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6492         fp return matching.
6493
6494 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6495
6496         * expr.c (expand_expr_real_1): Compare size of address
6497         mode to target's address mode size in deciding expansion of
6498         the constant address.
6499
6500 2005-08-31  Richard Guenther  <rguenther@suse.de>
6501
6502         PR middle-end/23477
6503         * expr.c (all_zeros_p): New function.
6504         (expand_expr_real_1): Handle the case of an all-zero
6505         non-addressable constructor separately.
6506
6507 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6508
6509         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6510         arguments, adjust all callers.
6511         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6512
6513 2005-08-30  Richard Henderson  <rth@redhat.com>
6514
6515         PR target/23630
6516         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6517         whenever the mode sizes match.
6518
6519 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6520
6521         * calls.c (load_register_parameters): Fix comment typo.
6522         * expr.c (emit_push_insn): Comment formatting.
6523
6524 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6525
6526         * config/i386/x-cygwin (host-cygwin): Change dependency from
6527         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6528
6529 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6530
6531         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6532         parts of 'vals'.
6533
6534 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6535
6536         PR middle-end/23408
6537         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6538         call to ggc_collect.
6539
6540 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6541
6542         PR bootstrap/21268
6543         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6544         beginning.  Remove $(INCLUDES) from all the rules, if following
6545         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6546
6547 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6548
6549         PR middle-end/23484
6550         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6551         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6552         not constant, but maxlen is, don't set len to maxlen, rather
6553         set maxlen to len if len is a constant.
6554
6555 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6556
6557         PR tree-optimization/23475
6558         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6559         and counts.
6560
6561 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6562
6563         Fix PR middle-end/22455
6564
6565         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6566         Checksum only the parts of the tree that exist for the tree code.
6567
6568 2005-08-28  Dale Johannesen  <dalej@apple.com>
6569
6570         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6571
6572 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6573
6574         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6575
6576 2005-08-28  Richard Henderson  <rth@redhat.com>
6577
6578         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6579         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6580         of char_type_node.
6581
6582 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6583
6584         PR ada/23593
6585         * builtins.c (get_memory_rtx): Don't strip nops
6586         in between COMPONENT_REFs.
6587
6588 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6589
6590         PR middle-end/23463
6591         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6592         types.
6593         (gimplify_modify_expr): Check for zero sized types and gimplify the
6594         rhs and lhs as statements.
6595
6596 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6597
6598         PR libgcj/23508
6599         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6600         state for return address column of signal frames.
6601
6602 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6603
6604         PR target/23539
6605         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6606         bytes >= 2 not bytes == 2.
6607         (expand_block_move): Same.
6608
6609 2005-08-27  Richard Guenther  <rguenther@suse.de>
6610
6611         PR target/23575
6612         * config/i386/sse.md (sse2_movsd): Add missing closing
6613         braces.
6614
6615 2005-08-27  Paul Brook  <paul@codesourcery.com>
6616
6617         * genrecog.c (enum decision_type): Add DT_num_insns.
6618         (struct decision_test): Add u.num_insns.
6619         (add_to_sequence): Add DT_num_insns test.
6620         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6621         (write_cond, debug_decision_2): Ditto.
6622         (change_state): Assume peep2_next_insn never fails.
6623         Remove "afterward" argument.
6624         (write afterward, write_tree): Update to match.
6625         * recog.c (peep2_current_count): New variable.
6626         (peep2_next_insn): Check it.
6627         (peephole2_optimize): Set peep2_current_count.
6628         * recog.h (peep2_current_count): Declare.
6629
6630 2005-08-26  Josh Conner  <jconner@apple.com>
6631
6632         PR middle-end/23584
6633         * ipa-pure-const.c (check_tree): Check for volatile-ness
6634         when considering a dereference.
6635
6636 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6637
6638         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6639
6640 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6641
6642         PR rtl-optimization/23561
6643         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6644         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6645         at most LEN bytes long memory fits into the field.
6646         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6647         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6648         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6649
6650 2005-08-26  Richard Henderson  <rth@redhat.com>
6651
6652         PR rtl-opt/23560
6653         * loop.c (biased_biv_may_wrap_p): New.
6654         (maybe_eliminate_biv_1): Use it to suppress non-equality
6655         comparison transformations.  Delete disabled code.
6656
6657 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6658
6659         * combine.c (make_extraction): Avoid reference outside object.
6660
6661 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6662
6663         * stor-layout.c (finalize_type_size): Restore behaviour for
6664         non-aggregate types to the status quo ante of the patch for
6665         pr 23467.  Document why it matters.
6666
6667 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6668
6669         PR c/23506
6670         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6671         array by one element, initialize the BT_LAST element with NULL.
6672
6673 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6674
6675         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6676         optimizing for size.
6677         (plus_eqsi): Same.
6678         (compare_plus_eqsi): Same.
6679         (plus_eqsi_compare): Same.
6680         (neg_eq0<mode>): Same.
6681         (neg_eq<mode>): Same.
6682
6683         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6684         PROCESSOR_POWER4.
6685
6686 2005-08-26  Nick Clifton  <nickc@redhat.com>
6687
6688         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6689         TARGET_EP is not defined.
6690         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6691         TARGET_EP is enabled.
6692         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6693         * config/v850/v850.md (save_all_interrupt): Only use the EP
6694         register if TARGET_EP is defined.
6695         (restore_all_interrupt): Likewise.
6696         * config/v850/lib1funcs.asm: Update functions so that the EP
6697         register is only used if __EP__ is defined.
6698
6699 2005-08-26  David Ung  <davidu@mips.com>
6700
6701         * config/mips/mips.c (mips_expand_prologue): Handle case when
6702         generating for MIPS16 and the outgoing argument area is more than
6703         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6704         add instruction.
6705
6706 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6707
6708         * config/crx/crx.md: Make doloop_end pattern usage controllable
6709         via mloop-nesting=<max-nesting> command line switch. Make sure
6710         the combiner cannot use doloop_end_<mode> in an illegal way.
6711         * config/crx/crx.c: Use regs up to r6 for argument passing.
6712         Refine crx_address_cost (non cst4 displacements are expensive).
6713         * config/crx/crx.opt: Add switch for mloop-nesting=.
6714
6715 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6716
6717         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6718         (UNSPEC_MVST): New constant.
6719
6720 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6721
6722         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6723         Reject operands containing eliminable registers.
6724         * testsuite/gcc.dg/20050825-1.c: New testcase.
6725
6726 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6727             Jan Hubicka  <jh@suse.cz>
6728
6729         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6730
6731 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6732
6733         PR tree-optimization/23546
6734         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6735         and REAL_CST nodes.
6736
6737 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6738
6739         * params.def (PARAM_MIN_SPEC_PROB): New.
6740         * sched-rgn.c (MIN_PROBABILITY): Delete.
6741         (compute_trg_info): Convert to PARAM_VALUE.
6742         * doc/invoke.texi (param): Document min-spec-prob.
6743
6744 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6745
6746         * config/darwin.h: define __PIC__
6747         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6748         TARGET_OS_CPP_BUILTINS macro.
6749
6750 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6751
6752         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6753         yesterday.
6754
6755 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6756
6757         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6758         to duplicate_block.
6759         * cfghooks.c (duplicate_block): Added position where to place
6760         new block as argument.
6761         * cfghooks.h (duplicate_block): Declaration changed.
6762         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6763         duplicate_block.
6764         * cfglayout.h (copy_bbs): Declaration changed.
6765         * cfgloop.h (loop_version): Declaration changed.
6766         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6767         position to copy_bbs.
6768         (loop_version): Pass position to duplicate_loop_to_header_edge.
6769         Add place_after argument and position new blocks according to
6770         it.
6771         * modulo-sched.c (sms_schedule): Pass place_after argument
6772         to loop_version.
6773         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6774         * tree-cfg.c (split_edge_bb_loc): New function.
6775         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6776         to determine position of new blocks.
6777         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6778         to loop_version.
6779         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6780         argument to duplicate_block.
6781         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6782         Pass position to copy_bbs.
6783
6784 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6785
6786         * fold-const.c (ptr_difference_const): Use
6787         cst_and_fits_in_hwi instead of host_integerp.
6788
6789 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6790
6791         * config/darwin.c (gen_pic_offset): New.
6792         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6793         Use it.
6794
6795 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6796
6797         PR tree-optimization/23486
6798         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6799
6800 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6801
6802         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6803         remove use_collect2.
6804         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6805
6806         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6807         configuration files to override the default value.
6808
6809         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6810         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6811         * config/vx-common.h:  New file, split out from...
6812         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6813         * config/vxworksae.h:  New file, for VxWorks AE.
6814         * config/vxworks.opt:  New file.
6815         * config/vxlib.c:  Update for VxWorks 6.
6816
6817         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6818         other MULTILIB_* variables appropriately.
6819         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6820         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6821         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6822         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6823
6824 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6825
6826         PR target/20799
6827         * config/darwin.c (machopic_select_section): Remove the hack to
6828         mark "::operator new" and "::operator delete" for coalescing
6829         even though they are not weak.
6830
6831 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6832
6833         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6834         * configure: Regenerate.
6835
6836 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6837
6838         PR middle-end/23517
6839         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6840         between vectors.
6841         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6842         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6843         Likewise.
6844
6845 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6846
6847         * config/rs6000/predicates.md (equality_operator): New.
6848         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6849         comparison with a large constant.
6850
6851 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6852
6853         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6854
6855 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6856
6857         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6858         registers is even, and we have a hardware double precision fp,
6859         align the buffer.
6860         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6861         size of current argument when checking if argument was passed in
6862         registers.
6863
6864         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6865
6866         PR middle-end/23467
6867         * stor-layout.c (finalize_type_size): Dont override
6868         existing alignment with a smaller alignment from the mode.
6869
6870 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6871
6872         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6873         * lambda.h (lambda_vector_lexico_pos): ... here.
6874         * tree-data-ref.c (build_classic_dist_vector): Return false when
6875         the distance vector is lexicographically negative.
6876
6877 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6878
6879         PR tree-optimization/23511
6880         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6881         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6882
6883 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6884
6885         PR tree-optimization/22043
6886         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6887         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6888         If ALLOW_FLEXARR, handle types ending with flexible array member.
6889         Pass false as second argument to recursive count_type_elements calls.
6890         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6891         argument to count_type_elements call.
6892         * tree-sra.c (decide_block_copy): Likewise.
6893         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6894         for a constant-sized object, set cleared as well.  Pass true as
6895         second argument to count_type_elements call.
6896
6897 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6898
6899         PR target/21571
6900         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6901         from legitimate_small_data_p, and make global.  Update use.
6902         Remove forward declaration.
6903         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6904         Declare.
6905         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6906
6907 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6908
6909         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6910         of scratch intermediates.
6911         (eq<mode>_compare): Same.
6912         (neg_eq0<mode>): New.
6913         (neg_eq<mode>): Convert to define_insn_and_split.
6914
6915 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6916
6917         PR target/23070
6918         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6919         stdarg functions, set/clear the fp marker even when no variable
6920         args are passed.
6921         * config/rs6000/sysv4.opt (mprototype): Describe.
6922
6923 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6924
6925         PR rtl-optimization/23478
6926         * regs.h (reg_info): Add throw_calls_crossed.
6927         (REG_N_THROWING_CALLS_CROSSED): Define.
6928         * flow.c (allocate_reg_life_data): Initialize
6929         REG_N_THROWING_CALLS_CROSSED.
6930         (propagate_one_insn, attempt_auto_inc): Update
6931         REG_N_THROWING_CALLS_CROSSED.
6932         * global.c (global_alloc): Don't allocate pseudos across
6933         calls that may throw.
6934
6935 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6936
6937         PR c/18715
6938         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6939         value is inbetween the range if we did not find an exact match.
6940
6941 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6942
6943         * doc/invoke.texi (Option Summary): Add ms1 options.
6944         * doc/extend.texi: Document interrupt handler attribute for ms1.
6945         * doc/md.texi: Document ms1 constraints.
6946         * config.gcc: Add ms1-*-elf.
6947         * config/ms1/ms1.h: New.
6948         * config/ms1/ms1.c: New.
6949         * config/ms1/ms1.md: New.
6950         * config/ms1/ms1-protos.h: New.
6951         * config/ms1/ABI.txt: New.
6952         * config/ms1/crti.asm: New.
6953         * config/ms1/crtn.asm: New.
6954         * config/ms1/lib2extra-funcs.c: New.
6955         * config/ms1/t-ms1: New.
6956         * config/ms1/ms1.opt: New.
6957
6958 2005-08-22 Ira Rosen <irar@il.ibm.com>
6959
6960         * config/rs6000/altivec.md (xorv4sf3): New.
6961         (negv4sf2, neg<mode>2): Likewise.
6962
6963 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6964
6965         PR target/23485
6966         * config/ia64/ia64.md (divsi3): Check divide by zero.
6967         (udivsi3): Likewise.
6968         (divdi3): Likewise.
6969         (udivdi3): Likewise.
6970
6971 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6972
6973         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6974         up to elem_bitsize bits, not max_bitsize.
6975
6976 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6977
6978         PR tree-optimization/23433
6979         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6980         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6981
6982 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6983
6984         PR tree-optimization/23434
6985         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6986         the iteration bound is not an INTEGER_CST.
6987
6988 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6989
6990         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6991         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6992         NULL if need_epilog_adjust is false.
6993         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6994         Case 3 always peels first itration, not just for PLUS case, and no need
6995         to use scalar_initial_def here. Create an epilog adjustment only if
6996         scalar_initial_def is not NULL.
6997
6998         (vectorizable_reduction): Remove assert.
6999
7000 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7001
7002         PR target/23485
7003         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7004         (__moddi3): Likewise.
7005         (__udivdi3): Likewise.
7006         (__umoddi3): Likewise.
7007         (__divsi3): Likewise.
7008         (__modsi3): Likewise.
7009         (__udivsi3): Likewise.
7010         (__umodsi3): Likewise.
7011
7012 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7013
7014         * tree-pass.h (TDF_GRAPH): Define.
7015         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7016         * passes.c (finish_optimization_passes): Only call
7017         finish_graph_dump_file if TDF_GRAPH is set.
7018         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7019         NULL.  Set TDF_GRAPH bit.
7020         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7021
7022 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7023
7024         * arm.h (arm_stack_offsets): Add locals_base field.
7025         * arm.c (arm_get_frame_offsets): Compute it.
7026         (thumb_compute_initial_elimination offset): Make the Thumb frame
7027         pointer point to the base of the local variables.
7028         (thumb_expand_prologue): Update accordingly.
7029         (thumb_expand_epilogue): Likewise.
7030
7031         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7032         mode of clobbered scratch to DImode.  Handle a case that's known to
7033         need this.
7034
7035 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7036
7037         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7038         (gt0<mode>_compare): Delete.
7039         (neg_gt0<mode>): Delete.
7040
7041 2005-08-19  Eric Christopher  <echristo@apple.com>
7042
7043         * optabs.h: Change CTI_ to COI_.
7044         * optabs.c: Ditto.
7045
7046 2005-08-19  James E Wilson  <wilson@specifix.com>
7047
7048         * builtins.c (expand_builtin_return_addr): Set
7049         current_function_accesses_prior_frames when count != 0.  Use
7050         frame_pointer_rtx when count == 0.
7051         * function.h (struct function): Add accesses_prior_frames field.
7052         (current_function_accesses_prior_frames): Define.
7053         * reload1.c (init_elim_table): Check
7054         current_function_accesses_prior_frames.
7055         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7056
7057 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7058
7059         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7060         indicator.  Return true if the flowgraph changed during
7061         cleanup.
7062
7063 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7064
7065         PR 23476
7066         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7067         conditional expression before testing its value.
7068
7069 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7070
7071         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7072
7073 2005-08-19  Devang Patel  <dpatel@apple.com>
7074
7075         PR tree-optimization/23048
7076         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7077         third parameter. Check whether latch is dominated by exit
7078         block or not.
7079         (if_convertible_loop_p): Supply exit block itself to
7080         if_convertible_bb_p.
7081
7082 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7083
7084         PR target/23473
7085         * arm.md (arm_load_pic_register): Change argument to the mask of
7086         saved registers.  Call thumb_find_work_register if we need a
7087         scratch register on Thumb.
7088         (arm_expand_prologue): Pass empty register set to
7089         arm_load_pic_register.
7090         (thumb_expand_prologue): Pass live_regs_mask directly to
7091         arm_load_pic_register.
7092         * arm-protos.h (arm_load_pic_register): Update prototype.
7093
7094 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7095
7096         * sh.c (find_sole_member): New function.
7097         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7098         if the record's alignment is larger than the size of its only member.
7099
7100 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7101
7102         PR target/23436
7103         * arm.c (thumb_legitimize_reload_address): New function.
7104         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7105         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7106
7107 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7108
7109         * config/crx/crx.c: Implement crx_decompose_address. Reject
7110         symbolic displacements since CRX register relative adressing
7111         mode can't handle unsigned 32-bit values as displacements.
7112         * config/crx/crx.h: Simplify definitions, remove redundant
7113         parenthesis and obsolete macros.
7114         * config/crx/crx.opt: Add new switch for debugging addresses.
7115         * config/crx/crx-protos.h: Add new declarations for above.
7116
7117 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7118
7119         PR middle-end/20624
7120         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7121         looking past it.
7122
7123 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7124
7125         * collect2.c (dup2): Delete.
7126         * configure.ac: Don't check for dup2.
7127
7128         * config.in, configure: Regenerate.
7129
7130 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7131
7132         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7133         record with the type of its only member.
7134
7135 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7136
7137         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7138         define_insn_and_split.
7139         (plus_ltu<mode>_compare): Same.
7140         (gtu<mode>_compare): Same.
7141         (plus_gtu<mode>_compare): Same.
7142
7143 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7144
7145         PR tree-optimization/22228
7146         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7147         todo_flags_start.
7148         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7149         are recorded in vect_vnames_to_rename for renaming.
7150         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7151         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7152         in vect_vnames_to_rename.
7153         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7154         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7155
7156 2005-08-18  Jan Hubicka  <jh@suse.cz>
7157
7158         PR c++/22034
7159         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7160         info only for local statics, not for member variables.
7161
7162 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7163
7164         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7165
7166 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7167
7168         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7169
7170 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7171
7172         PR middle-end/16045
7173         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7174
7175 2005-08-17  James E Wilson  <wilson@specifix.com>
7176
7177         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7178         array size check.
7179
7180 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7181
7182         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7183         (leu<mode>_compare): Same.
7184         (plus_leu<mode>): Same.
7185         (neg_leu<mode>): Same.
7186         (and_neg_leu<mode): Same.
7187         (ltu<mode>_compare): Same.
7188         (plus_ltu<mode>): Same.
7189         (geu<mode>): Same.
7190         (geu<mode>_compare): Same.
7191         (plus_geu<mode>): Same.
7192         (neg_geu<mode>): Same.
7193         (and_neg_geu<mode>): Same.
7194         (plus_gt<mode>): Same.
7195         (gtu<mode>_compare): Same.
7196         (plus_gtu<mode>): Same.
7197
7198 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7199
7200         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7201         Move call_table_data to end.  Delete spurious .text.
7202         (callt_save_all_interrupt): Fix comment typo.
7203
7204 2005-08-17  James E Wilson  <wilson@specifix.com>
7205             Kevin Winchester  <winchester@amirix.com>
7206
7207         PR target/21684
7208         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7209
7210 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7211
7212         PR target/23268
7213         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7214         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7215
7216 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7217
7218         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7219         record with the type of its only member if the modes don't match.
7220
7221         * varasm.c (decode_reg_name): Skip empty additional register names.
7222
7223 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7224
7225         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7226         lsm_tmp_name_length): New.
7227         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7228         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7229
7230 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7231             Andreas Krebbel  <krebbel1@de.ibm.com>
7232
7233         * config.gcc: Added z9-109 switch.
7234         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7235         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7236         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7237         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7238         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7239         for "z9_109" cpu attribute.
7240         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7241         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7242         (s390_handle_arch_option): Added z9-109 switch.
7243         (override_options): Set respective cost function for z9-109.
7244         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7245         (legitimate_reload_constant_p): Accept extended immediates.
7246         (print_operand): Three new output modifiers added: k, m and o.
7247         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7248         (s390_output_mi_thunk): Use extended immediate when possible.
7249         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7250         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7251         (CONSTRAINT_LEN): Added length of O constraint.
7252         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7253         * config/s390/s390.md ("cpu"): New value z9_109 added.
7254         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7255         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7256         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7257         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7258         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7259         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7260         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7261         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7262         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7263         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7264         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7265         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7266         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7267         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7268         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7269         immediates.
7270         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7271         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7272         insns for TARGET_EXTIMM.
7273
7274 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7275
7276         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7277
7278 2005-08-17  Nick Clifton  <nickc@redhat.com>
7279
7280         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7281         Call default_encode_section_info.
7282
7283 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7284
7285         PR tree-optimization/21574
7286         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7287         constant, return CONSTANT.
7288         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7289         (ccp_fold, visit_assignment): Likewise.
7290         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7291
7292 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7293
7294         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7295         fold_buildN instead of buildN then fold_initializer or fold.
7296         (build_unary_op): Likewise.
7297         (build_binary_op): Likewise.
7298         * fold-const.c (fold_initializer): Remove.
7299         (fold_build1_initializer): New function.
7300         (fold_build2_initializer): New function.
7301         (fold_build3_initializer): New function.
7302         * tree.h (fold_initializer): Remove.
7303         (fold_build1_initializer): New function.
7304         (fold_build2_initializer): New function.
7305         (fold_build3_initializer): New function.
7306
7307 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7308
7309         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7310         (try_move_mult_to_index): Call fold_build2 instead of build2.
7311         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7312         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7313         fold_binary_to_constant.
7314         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7315         fold (build.
7316         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7317         check if A == gcd (A, B).  Remove TYPE argument.
7318         (analyze_offset) Use fold_build2 instead of fold (build.
7319         (create_data_ref): Likewise.
7320         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7321         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7322         then fold.
7323
7324 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7325
7326         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7327         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7328
7329 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7330
7331         PR tree-opt/23402
7332         * gimplify.c (zero_sized_type): New function.
7333         (gimplify_modify_expr_rhs): If we have a zero sized type,
7334         replace the statement with an empty statement.
7335
7336 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7337
7338         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7339         fxsave.
7340
7341 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7342
7343         * doc/tm.texi (Label Output): Correct typo.
7344
7345 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7346
7347         PR target/23376
7348         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7349         force_operand will work later on using have_insn_for.
7350
7351 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7352
7353         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7354
7355 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7356
7357         PR c++/23337
7358         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7359         vector type, don't try to construct it element by element.  Add an
7360         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7361
7362 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7363
7364         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7365
7366 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7367
7368         * doc/invoke.texi (Precompiled Headers): Document some more options
7369         which are known to be safe.
7370
7371 2005-08-16  James E Wilson  <wilson@specifix.com>
7372
7373         PR tree-optimization/21105
7374         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7375         TREE_OVERFLOW check.
7376
7377 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7378
7379         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7380         (neg_ltu<mode>): Same.
7381         (gtu<mode>): Same.
7382         (neg_gtu<mode>): Same.
7383
7384 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7385
7386         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7387         (fold_builtin_isdigit): Use fold_buildN.
7388         (build_function_call_expr): Likewise.
7389         * c-typeck.c (c_finish_loop): Likewise.
7390
7391 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7392             Richard Shann <rshann@superh.com>
7393
7394         PR middle-end/20396:
7395         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7396
7397 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7398
7399         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7400
7401 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7402
7403         PR target/23355
7404         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7405         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7406         must be saved.
7407
7408 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7409
7410         PR middle-end/23369
7411         * fold-const.c (build_range_check): Disable optimization for function
7412         pointer expressions on targets that require function pointer
7413         canonicalization.
7414
7415 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7416
7417         * simplify-rtx.c (simplify_const_relational_operation): When
7418         extracting arguments of a COMPARE, recompute the mode as well.
7419
7420 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7421
7422         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7423
7424 2005-08-15  DJ Delorie  <dj@redhat.com>
7425
7426         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7427         the stack.
7428         (movsi_splittable): Allow, but split, moves to the stack.
7429         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7430         stack.
7431
7432 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7433
7434         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7435         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7436         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7437
7438         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7439         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7440         Delete HOST_PTR_PRINTF.
7441
7442         * configure, config.in: Regenerate.
7443
7444 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7445
7446         * config/rs6000/rs6000.md (QHSI): New mode macro.
7447         (wd): Extend mode attr for QImode and HImode
7448         (dbits): New mode attr.
7449         (zero_extend<mode>di2): Convert to mode macro.
7450
7451 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7452
7453         PR target/21841
7454         * doc/invoke.texi (-mgnu-ld): Update description.
7455         (-mhp-ld): Ditto.
7456
7457 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7458
7459         PR 23391
7460         * Makefile.in (tree-chrec.o): Depends on real.h.
7461         * tree-chrec.c: Include real.h.
7462         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7463         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7464         * tree-scalar-evolution.c (add_to_evolution_1,
7465         interpret_rhs_modify_expr): Ditto.
7466
7467 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7468
7469         PR 23386
7470         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7471         step is negative compute the estimation from init downwards to zero.
7472
7473 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7474
7475         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7476
7477 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7478
7479         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7480         constraint.
7481         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7482         Accept double-word constants that can be split.
7483         * config/s390/s390.md ("movti"): Use 'P' constraint.
7484         ("*movdi_31", "*movdf_31"): Likewise.
7485
7486 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7487
7488         Fix PR tree-optimization/22615
7489
7490         * tree-ssa-structalias.c (solution_set_add): Handle
7491         first_vi_for_offset returning NULL.
7492         (do_da_constraint): Ditto.
7493         (do_sd_constraint): Ditto.
7494         (do_ds_constraint): Ditto
7495         (find_func_aliases): Ditto.
7496         (build_constraint_graph): RHS is allowed be ANYTHING.
7497         (first_vi_for_offset): Return NULL if we couldn't find anything at
7498         the offset.
7499
7500 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7501
7502         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7503         over memory as first operand.
7504
7505 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7506
7507         PR target/23360
7508         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7509         available for setting it.
7510
7511 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7512
7513         PR tree-optimization/23320
7514         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7515         data-refs' types instead of base object nullness. Add check for
7516         pointer type data-refs before first location comparison. Remove
7517         assert.
7518
7519 2005-08-14  Andreas Schwab  <schwab@suse.de>
7520
7521         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7522
7523 2005-08-13  James E Wilson  <wilson@specifix.com>
7524
7525         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7526         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7527         -fstack-protector-all, --param ssp-buffer-size): Document.
7528         (-Wvariadic-macros): Alphabetize.
7529         (-fsched-stalled-insns-dep): Add missing 'f'.
7530
7531         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7532         macros.
7533
7534 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7535
7536         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7537         or indirect address operand.
7538         (EXTRA_ADDRESS_CONSTRAINT): New.
7539         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7540
7541 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7542
7543         PR tree-optimization/22236
7544         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7545         successors and predecessors.
7546         * tree-chrec.c (chrec_convert): Before converting, check that
7547         sequences don't wrap.
7548         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7549         (analyze_array): Extern.
7550         (find_data_references_in_loop): Remove call to
7551         compute_estimated_nb_iterations.
7552         * tree-data-ref.h (analyze_array): Declared.
7553         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7554         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7555         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7556         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7557         condition.
7558         * tree-ssa-loop-ivcanon.c: Fix documentation.
7559         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7560         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7561         (infer_loop_bounds_from_undefined): New.
7562         (estimate_numbers_of_iterations_loop): Use
7563         infer_loop_bounds_from_undefined.
7564         (used_in_pointer_arithmetic_p): New.
7565         (scev_probably_wraps_p): Pass an extra parameter.  Call
7566         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7567         (convert_step): Fix documentation.
7568         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7569         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7570         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7571         scev_probably_wraps_p.
7572
7573 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7574
7575         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7576         (s390_register_info): Ignore clobbered_regs information for fixed
7577         registers, and only fixed registers.
7578         (s390_init_frame_layout): Remove redundant call.
7579
7580 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7581
7582         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7583         description of -Wold-style-casts.
7584
7585 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7586             Jakub Jelinek  <jakub@redhat.com>
7587
7588         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7589         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7590         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7591         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7592         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7593         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7594         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7595         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7596         ("stack_protect_set", "stack_protect_test"): New expanders.
7597         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7598         "stack_protect_testdi"): New insn definitions.
7599
7600 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7601
7602         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7603
7604 2005-08-12  Paul Brook  <paul@codesourcery.com>
7605
7606         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7607
7608 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7609
7610         * config/s390/predicates.md (setmem_operand): New predicate.
7611         (shift_count_operand): Accept ANDs with special constants as
7612         operand.
7613         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7614         with special constants.
7615         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7616         shift_count_operand with setmem_operand.
7617
7618 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7619
7620         * config/s390/s390.c (s390_extract_part, s390_single_part):
7621         Type cast added.
7622         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7623         (s390_output_mi_thunk): Don't use lg on 31 bit.
7624         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7625         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7626
7627 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7628
7629         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7630         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7631         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7632         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7633         with one of the new macros.
7634
7635 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7636
7637         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7638         Don't set save_return_addr_p.
7639         (s390_register_info): Make clobbered_regs not depending on
7640         save_return_addr_p.
7641
7642 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7643
7644         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7645         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7646
7647 2005-08-11  James E. Wilson  <wilson@specifix.com>
7648
7649         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7650
7651 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7652
7653         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7654         locations gathered by var-tracking in single entry loc_list
7655         over loc_descriptor_from_tree.
7656
7657         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7658         pass it down to loc_descriptor.
7659         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7660         (containing_function_has_frame_base): Move earlier in the file.
7661         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7662         instead of always assuming fbreg can't be used.
7663
7664 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7665
7666         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7667         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7668         Accept address wrapped in AND for Altivec.
7669         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7670         Strip AND wrapping offset address for Altivec.
7671
7672 2005-08-11  Richard Henderson  <rth@redhat.com>
7673
7674         PR middle-end/23312
7675         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7676         before using TYPE_IS_SIZETYPE.
7677
7678 2005-08-11  Richard Henderson  <rth@redhat.com>
7679
7680         PR target/22225
7681         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7682         insn types not present on ev4.
7683         (alphaev5_insn_pipe): Similarly.
7684
7685 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7686
7687         PR target/23250
7688         * arm.c (arm_override_options): If the user has selected callee-super-
7689         interworking, then enable normal interworking.
7690
7691 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7692
7693         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7694         redefinition.
7695
7696 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7697
7698         * doc/rtl.texi: Fix two typos.
7699
7700 2005-08-11  Richard Guenther  <rguenther@suse.de>
7701
7702         PR target/23289
7703         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7704         cases where we call to/from functions returning void.
7705
7706 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7707
7708         PR c++/23225
7709         * tree.c (build_pointer_type_for_mode): Robustify.
7710
7711 2005-08-10  James E Wilson  <wilson@specifix.com>
7712
7713         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7714         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7715
7716         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7717         "cum->".
7718
7719 2005-08-10  Eric Christopher  <echristo@apple.com>
7720
7721         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7722         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7723         V2DFmode.
7724
7725 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7726
7727         PR target/21887
7728         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7729         for the high part when generating dynamic-no-pic code.
7730
7731 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7732
7733         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7734         (x86_64-*-linux*): Likewise.
7735
7736         * config/i386/crtfastmath.c: New file.
7737         * config/i386/t-crtfm: Likewise.
7738
7739         * config/i386/linux.h (ENDFILE_SPEC): New.
7740         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7741
7742         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7743         crtfastmath.o.
7744
7745 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7746
7747         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7748         (vec_shl, vec_shr): Document new operations.
7749         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7750
7751 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7752
7753         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7754         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7755         change predicate to indexed_or_indirect_address.
7756
7757 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7758
7759         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7760         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7761         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7762         and __aeabi_uwrite8.
7763         * config/arm/unaligned-funcs.c: New file.
7764         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7765
7766 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7767
7768         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7769         Add dump.
7770         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7771         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7772         Add dump.
7773         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7774         * final.c (pass_shorten_branches): Add dump.
7775         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7776         (pass_life): Rename dump.
7777         (rest_of_handle_flow2): Remove initial verify_flow_info.
7778         * function.c (pass_instantiate_virtual_regs): Add dump.
7779         * integrate.c (pass_initial_value_sets): Add dump.
7780         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7781         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7782         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7783         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7784         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7785         gate_rtl_unrool_and_peel_loops): New.
7786         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7787         rtl_doloop): Do not look at flags.
7788         * mode-switching.c (pass_mode_switching): Add dump.
7789         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7790         pass_split_before_regstack): Add dump.
7791         * regmove.c (pass_stack_adjustments): Add dump.
7792         * tree-optimize.c (pass_fixup_cfg): Add dump.
7793
7794 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7795
7796         PR 23309
7797         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7798         deciding which instruction sequence to use.
7799
7800 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7801
7802         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7803         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7804
7805 2005-08-09  Richard Guenther  <rguenther@suse.de>
7806
7807         * c-common.c (builtin_function_2): Remove.
7808         (def_builtin_1): New function.
7809         (c_common_nodes_and_builtins): Use def_builtin_1 to
7810         build builtin functions.
7811
7812 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7813
7814         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7815         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7816         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7817         Visual DSP.
7818
7819 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7820
7821         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7822         fold_binary instead of fold_build2 since we don't care about the
7823         resulting tree.
7824         (loop_niter_by_eval): Likewise.
7825         (compare_trees): Likewise.
7826         (proved_non_wrapping_p): Likewise.
7827
7828 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7829
7830         PR c/23161
7831         PR c/23165
7832         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7833         if the if is really empty.
7834
7835 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7836
7837         PR tree-optimization/23234
7838         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7839         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7840         argument of the new enum.
7841         (execute_cse_reciprocals): Add reciprocals for function arguments
7842         on the unique successor edge of the entry block.  Update other calls
7843         to execute_cse_reciprocals_1.
7844
7845 2005-08-08  Richard Henderson  <rth@redhat.com>
7846
7847         PR 22439
7848         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7849
7850 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7851
7852         * expr.c (write_complex_part): Return after handling MEM.
7853
7854 2005-08-08  Josh Conner  <jconner@apple.com>
7855
7856         PR rtl-optimization/23241
7857         * combine.c (simplify_comparison): Fix error in determining
7858         whether to lift a subreg from comparison.
7859
7860 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7861
7862         PR target/18506
7863         * config/rs6000/altivec.md (vec_init<mode>): New.
7864         (vec_set<mode>): New.
7865         (vec_extract<mode>): New.
7866         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7867         (rs6000_expand_vector_set): New.
7868         (rs6000_expand_vector_extract): New.
7869         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7870         for Altivec modes before reload.
7871         (altivec_expand_vec_init_builtin): New.
7872         (get_element_number): New.
7873         (altivec_expand_vec_set_builtin): New.
7874         (altivec_expand_vec_ext_builtin): New.
7875         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7876         builtins.
7877         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7878         builtins.
7879         * config/rs6000/rs6000.h (rs6000_builtins): Add
7880         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7881         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7882         * config/rs6000/rs6000-protos.h: Declare new functions.
7883
7884 2005-08-08  Jan Hubicka  <jh@suse.cz>
7885
7886         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7887         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7888         * i386.md (movdi*): Use pic_32bit_operand.
7889         * predicates.md (pic_32bit_operand): New.
7890
7891 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7892
7893         PR c++/21166
7894         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7895
7896 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7897
7898         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7899         (test_for_singularity): Use fold_build2.
7900
7901 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7902
7903         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7904
7905 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7906
7907         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7908         (COMMON_ASM_OP) Define.
7909         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7910         (ix86_encode_section_info): Likewise.
7911         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7912         SUBTARGET_ENCODE_SECTION_INFO.
7913
7914 2005-08-06  Richard Henderson  <rth@redhat.com>
7915
7916         PR 21894
7917         * tree-nested.c (convert_local_reference): Save and restore val_only
7918         around component_ref and friends.  Clear walk_subtrees by default.
7919
7920 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7921
7922         PR 21366
7923         * gcc.c (process_command): Check the argument to -b has a dash.
7924         * doc/invoke.texi: Update -b and -V docs.
7925
7926 2005-08-06  James E Wilson  <wilson@specifix.com>
7927
7928         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7929
7930 2005-08-06  Michael Matz  <matz@suse.de>
7931
7932         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7933         member only if only one insn is associated with the value.
7934
7935 2005-08-06  Nick Clifton  <nickc@redhat.com>
7936
7937         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7938         New define.
7939         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7940         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7941         Check symbol flags instead of symbol name mangling.
7942         (xstormy16_asm_output_aligned_common): Likewise.  Also
7943         simplify code since the bss100_section cass is the only case
7944         where the below100 code will be triggered.
7945         (xstormy16_encode_section_info): Encode below100 attribute
7946         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7947         the name.
7948         (xstormy16_strip_name_encoding): Delete - this function is no
7949         longer needed.
7950         (TARGET_STRIP_NAME_ENCODING): Undefine.
7951         * config/stormy16/stormy16-protos.h: Delete prototype for
7952         xstormy16_strip_name_encoding.
7953
7954 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7955
7956         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7957         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7958         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7959         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7960         config/alpha/predicates.md, config/arc/arc.h,
7961         config/arm/arm.h, config/arm/ieee754-df.S,
7962         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7963         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7964         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7965         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7966         config/m68hc11/m68hc11.h, config/mips/mips.c,
7967         config/mips/mips.h, config/mips/openbsd.h,
7968         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7969         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7970         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7971         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7972         config/sparc/linux.h, config/sparc/linux64.h,
7973         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7974         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7975         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7976         typos.  Follow spelling conventions.
7977
7978 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7979
7980         PR c/23113
7981         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7982         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7983         specially.  Check for side effects only for COND_EXPR.
7984         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7985         return with TREE_NO_WARNING.
7986
7987 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7988
7989         PR rtl-optimization/23233
7990         * loop.c (combine_movables): Require the modes to be the same.
7991         (move_movables): Remove handling of cases where the replacement
7992         had a different mode to the original.
7993
7994 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7995
7996         PR tree-optimization/23128
7997         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7998         subtraction wrap, and set TREE_OVERFLOW if they do.
7999
8000 2005-08-05  Richard Henderson  <rth@redhat.com>
8001
8002         PR 21728
8003         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8004         FORCED_LABEL labels.
8005
8006 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8007
8008         PR middle-end/23135
8009         * reload.c (find_reloads_subreg_address): Pass down TYPE
8010         unchanged.  Change all callers except find_reloads_toplev.
8011
8012 2005-08-05  Michael Matz  <matz@suse.de>
8013
8014         * genattrtab.c (current_alternative_string): Remove.
8015         (SIMPLIFY_ALTERNATIVE): Ditto.
8016         (attr_alt_bit_p): Ditto.
8017         (alternative_name): Make const char *.
8018         (evaluate_eq_attr): Remove use of above things.
8019         (simplify_test_exp): Ditto.
8020         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8021         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8022
8023 2005-08-04  James E Wilson  <wilson@specifix.com>
8024
8025         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8026         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8027         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8028         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8029         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8030
8031 2005-08-04  Richard Henderson  <rth@redhat.com>
8032
8033         PR 21529
8034         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8035         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8036         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8037         if we'd have to instantiate too many members.
8038
8039 2005-08-04  Richard Henderson  <rth@redhat.com>
8040
8041         PR 21291
8042         * tree-outof-ssa.c (coalesce_asm_operands): New.
8043         (coalesce_ssa_name): Use it.  Split out ...
8044         (coalesce_phi_operands, coalesce_result_decls): ... these.
8045
8046 2005-08-04  Paul Brook  <paul@codesourcery.com>
8047
8048         * read-rtl.c (read_quoted_string): Break if EOF.
8049
8050 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8051
8052         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8053         (fold_build2): Likewise.
8054         (fold_build3): Likewise.
8055         (fold_build1_stat): New function prototype.
8056         (fold_build2_stat): Likewise.
8057         (fold_build3_stat): Likewise.
8058         * fold-const.c (fold_build1): Rename to ..
8059         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8060         through to build1_stat.
8061         (fold_build2): Rename to ..
8062         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8063         through to build2_stat.
8064         (fold_build3): Rename to ..
8065         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8066         through to build3_stat.
8067
8068 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8069             Ian Lance Taylor  <ian@airs.com>
8070
8071         * function.c (assign_stack_local_1): Do not correct stack slot
8072         address if allocation size is smaller than mode size.
8073
8074 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8075
8076         PR 22037
8077         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8078         (tree_merge_blocks): Propagate anything allowed by
8079         may_propagate_copy.
8080         Clarify documentation.
8081         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8082         SSA form, schedule an update if necessary.
8083
8084 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8085
8086         * doc/install.texi (Binaries): Remove broken link to
8087         Sinix/Reliant Unix binaries.
8088
8089 2005-08-03  Richard Henderson  <rth@redhat.com>
8090
8091         PR 23221
8092         * function.c (stack_protect_epilogue): Export.
8093         * tree.h (stack_protect_epilogue): Declare.
8094         * calls.c (expand_call): Call it.
8095
8096 2005-08-03  Eric Christopher  <echristo@apple.com>
8097
8098         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8099         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8100         spec.
8101
8102 2005-08-04  Jan Hubicka  <jh@suse.cz>
8103
8104         * profile.c (branch_prob): Split edges with goto locus on them
8105         to get proper line counts.
8106         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8107
8108 2005-08-03  Paul Brook  <paul@codesourcery.com>
8109
8110         * function.c (assign_parms): Round current_function_args_size
8111         to PARM_BOUNDARY, not STACK_BOUNDARY.
8112
8113 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8114
8115         * config/i386/i386.c (x86_elf_aligned_common)
8116         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8117
8118 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8119
8120         PR tree-optimization/23157
8121         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8122         before emitting them.
8123
8124 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8125
8126         PR tree-optimization/19899
8127         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8128         * tree-scalar-evolution.c: Include real.h.
8129         (add_to_evolution): Build constant -1 of correct type.
8130
8131 2005-08-03  Jan Hubicka  <jh@suse.cz>
8132
8133         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8134         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8135         profile updating for complette unrolling.
8136         * loop-unroll.c (peel_loop_completely): Use it.
8137         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8138         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8139         loops.
8140
8141 2005-08-03  Paul Brook  <paul@codesourcery.com>
8142
8143         * combine.c (can_change_dest_mode): New function.
8144         (try_combine, simplify_set): Use it.
8145
8146 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8147
8148         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8149         TFmode to BLKmode.
8150
8151 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8152
8153         * doc/install.texi (Specific): Adjust link to openavr.org.
8154         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8155         (Binaries): Adjust HP-UX Porting Center link.
8156         (Binaries): Adjust Free Software Foundation ordering link.
8157
8158 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8159
8160         * convert.c (convert_to_integer): Use fold_build1 instead of
8161         build1 when converting an integer to an integer.
8162
8163 2005-08-02  Richard Henderson  <rth@redhat.com>
8164
8165         * combine.c (combine_instructions): Don't use reg_equal/equiv
8166         results if the mode doesn't match.
8167
8168 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8169
8170         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8171         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8172
8173 2005-08-02  Richard Henderson  <rth@redhat.com>
8174
8175         PR 23196
8176         * explow.c (memory_address): Remove special-case for
8177         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8178
8179 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8180
8181         PR 23164
8182         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8183         number of calls to cleanup_tree_cfg_1.
8184
8185 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8186
8187         * doc/invoke.texi: document file extensions .F90 and .F95
8188
8189 2005-08-02  Richard Guenther  <rguenther@suse.de>
8190
8191         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8192         positive if its first argument is positive.
8193
8194 2005-08-02  Richard Guenther  <rguenther@suse.de>
8195
8196         PR tree-optimization/23177
8197         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8198         on TMR_TAG.
8199
8200 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8201
8202         PR tree-optimization/23129
8203         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8204         varying for divisions with anti-ranges.
8205
8206 2005-08-02  Jan Hubicka  <jh@suse.cz>
8207
8208         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8209         * tree-ssa-threadupdate.c (thread_block): Add it here.
8210
8211 2005-08-01  James E Wilson  <wilson@specifix.com>
8212
8213         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8214         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8215         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8216         New.
8217         * config/mips/predicates.md (const_call_insn_operand): Add check for
8218         SYMBOL_REF_LONG_CALL_P.
8219         * doc/extend.texi (long_call): Document the new attribute.
8220
8221 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8222             Richard Henderson  <rth@redhat.com>
8223
8224         * Makefile.in (RTL_BASE_H): Add real.h.
8225         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8226         instead of memcpy.
8227         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8228         directly.
8229         * rtl.c (rtl_check_failed_code_mode): New.
8230         * rtl.h (struct rtx_def): Add u.rv.
8231         (XCMWINT, XCNMPRV): New.
8232         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8233         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8234
8235 2005-08-01  Richard Henderson  <rth@redhat.com>
8236
8237         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8238         with auto-inc codes.
8239
8240         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8241
8242 2005-08-01  Jan Hubicka  <jh@suse.cz>
8243
8244         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8245         * i386.c: Include dwarf2.h
8246         (asm_preferred_eh_data_format): New.
8247         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8248
8249 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8250
8251         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8252         randomize_va_space for virtual address randomization control.
8253
8254 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8255
8256         * common.opt (flag_ipa_cp): Put in right place to maintain
8257         alphabetic sort.
8258
8259 2005-08-01  Jan Hubicka  <jh@suse.cz>
8260
8261         * profile.c (compute_value_histograms): Fix thinko.
8262         * value-prof.c: Include toplev.h
8263         (check_counter): New function.
8264         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8265         tree_mod_subtract_transform): Add sanity check.
8266
8267 2005-08-01  Richard Guenther  <rguenther@suse.de>
8268
8269         PR tree-optimization/23133
8270         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8271         current functions parameter decls to find defs to cse
8272         reciprocals of.
8273
8274 2005-08-01  Richard Guenther  <rguenther@suse.de>
8275
8276         PR tree-optimization/23109
8277         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8278         If trapping math is in effect, use post-dominator information
8279         to check if we'd in any case reach a trapping point before
8280         doing the reciprocal insertion.
8281         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8282         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8283         expressions are invariant only if trapping math is not in effect.
8284
8285 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8286
8287         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8288         cgraph_function_versioning): New declarations.
8289         * cgraphunit.c: Add include to ipa-prop.h.
8290         (update_call_expr, cgraph_copy_node_for_versioning,
8291         cgraph_function_versioning): New functions.
8292         * integrate.c (copy_decl_for_inlining): Remove.
8293         * ipa-prop.h (ipa_replace_map): New struct.
8294         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8295         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8296         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8297         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8298         ipcp_iterate_stage, ipcp_method_scale_print,
8299         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8300         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8301         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8302         ipcp_update_bb_counts, ipcp_update_profiling,
8303         ipcp_update_edges_counts): New functions.
8304         (ipcp_method_cval_init): Remove restriction regarding local methods.
8305         (ipcp_init_stage): Add ipcp_method_compute_scale.
8306         (ipcp_insert_stage): Add versioning.
8307         (ipcp_structures_print): Add ipcp_method_scale_print.
8308         (ipcp_driver): Dump profiling info.
8309         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8310         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8311         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8312         (struct inline_data): Add versioning_p, ipa_info, new fields.
8313         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8314         declare_return_variable): Replace calls to copy_decl_for_inlining with
8315         copy_decl_for_dup.
8316         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8317         versioning support.
8318         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8319         Add argument VERSIONING.
8320         (copy_arguments_for_versioning, copy_static_chain,
8321         function_versionable_p, tree_versionable_function_p,
8322         tree_function_versioning, replace_ref_tree): New functions.
8323         * tree-inline.h: Include varray.h.
8324         (tree_versionable_function_p,  tree_function_versioning,
8325         tree copy_decl_for_dup): New declarations.
8326
8327 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8328
8329         * ipa-cp.c: New file. Contains IPCP specific functionality.
8330         * ipa-prop.h: New file. Contains structures/definitions that can be
8331         used by several interprocedural data flow optimizations (and also IPCP).
8332         * ipa-prop.c: New file.
8333         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8334         * common.opt: Add ipa-cp flag.
8335         * timevar.def: Add IPCP optimization.
8336         * tree-optimize.c (init_tree_optimization_passes): Schedule
8337         pass_ipa_cp.
8338         * tree-pass.h (pass_ipa_cp): Declare.
8339
8340 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8341
8342         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8343         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8344         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8345         config/i386/i386.c, config/mips/mips.h,
8346         config/rs6000/rs6000.h, config/sh/sh.c,
8347         config/stormy16/stormy16.c: Fix comment typos.
8348
8349 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8350
8351         PR c/22311
8352         * c-typeck.c (build_binary_op): Use common_type wrapper on
8353         shortened types.
8354         (common_type): Update comment.
8355
8356 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8357
8358         PR target/23095
8359         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8360         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8361         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8362
8363 2005-07-31  Jan Hubicka  <jh@suse.cz>
8364
8365         * pretty-print.h (pp_widest_integer): New macro.
8366         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8367         counts.
8368
8369 2005-07-31  Jan Hubicka  <jh@suse.cz>
8370
8371         * output.h (enum section_category): Export from varasm.c
8372         (categorize_decl_for_section): Likewise.
8373         * varasm.c (enum section_category): Kill.
8374         (categorize_decl_for_section): Make global.
8375         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8376         Declare.
8377         * i386.c (ix86_section_threshold): New static variable.
8378         (ix86_in_large_data_p, ix86_encode_section_info,
8379         x86_64_elf_unique_section,
8380         x86_64_elf_select_section): New functions.
8381         (TARGET_ENCODE_SECTION_INFO): Define
8382         (override_options): Enable medium model for PIC.
8383         (ix86_expand_prologue): Expand gen_set_got_rex64.
8384         (legitimate_constant_p): Handle new UNSPECs.
8385         (legitimate_pic_address_disp_p): Likewise.
8386         (legitimize_pic_address): Lower MEDIUM model addressing.
8387         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8388         (enum cmodel): Add MEDIUM_PIC.
8389         (SYMBOL_REF_FAR_ADDR_P): New macro.
8390         (SYMBOL_FLAG_FAR_ADDR): New flag.
8391         * i386.md (movdi): Support medium model.
8392         (set_got_rex64): New pattern.
8393         * i386.opt (mlarge-data-threshold): New flag.
8394         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8395         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8396         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8397         TARGET_ASM_UNIQUE_SECTION): New.
8398
8399         * invoke.texi (-mlarge_data_threshold): Document
8400
8401 2005-07-31  Jan Hubicka  <jh@suse.cz>
8402
8403         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8404         (coalesce_vars): Likewise.
8405         * tree-ssa-live.c (coalesce_cost): New.
8406         (build_tree_conflict_graph): Use coalesce_cost.
8407         * tree-ssa-live.h (coalesce_cost): Declare.
8408
8409 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8410
8411         * arm.md (all peepholes for post-increment operations): Delete.
8412         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8413         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8414         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8415         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8416         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8417
8418 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8419
8420         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8421         non-integral types.
8422
8423 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8424
8425         PR target/22582
8426         * doc/invoke.texi: Document -rdynamic.
8427
8428 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8429
8430         PR c/23143
8431         * c-parser.c (c_parser_parms_list_declarator): Call
8432         mark_forward_parm_decls.
8433         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8434         decls with visibility structure.
8435
8436 2005-07-30  Paul Brook  <paul@codesourcery.com>
8437
8438         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8439
8440 2005-07-30  Paul Brook  <paul@codesourcery.com>
8441
8442         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8443         prototype.
8444         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8445         value for mode.
8446         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8447
8448 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8449
8450         PR c/529
8451         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8452         nested function declarators.
8453         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8454         (grokparms): Call warn_if_shadowing for parameters used within the
8455         parameter list.
8456         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8457         not used within the parameter list.
8458         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8459
8460 2005-07-30  Jan Hubicka  <jh@suse.cz>
8461
8462         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8463         * i386.c (ix86_fixup_binary_operands): Likewise.
8464         (ix86_expand_unary_operator): Likewise.
8465         (ix86_expand_fp_absneg_operator): Likewise.
8466         * optabs.c (expand_vec_cond_expr): Validate dest.
8467
8468 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8469
8470         PR c/21720
8471         * real.c (real_from_string): Also set last bit if there is a
8472         nonzero hex digit beyond GCC's internal precision after ".".
8473
8474 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8475
8476         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8477         define_constants.  Change duplicate values to unassigned numbers.
8478         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8479         (*altivec_vspltsf): New.
8480         (altivec_vperm_v4sf): Delete.
8481         (altivec_vperm_<mode>): Use mode macro V.
8482         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8483         (altivec_predicate_v4sf): Delete.
8484         (altivec_predicate_<mode>): Use mode macro V.
8485         (*altivec_lvesfx): New.
8486         (*altivec_stvesfx): New.
8487         (vec_realign_load_v4sf): Delete.
8488         (vec_realign_load_<mode>): Use mode macro V.
8489         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8490         UNSPECV_SET_VRSAVE.
8491
8492 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8493
8494         PR bootstrap/23131
8495         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8496         string.
8497         * configure: Regenerated.
8498
8499 2005-07-29  Paul Brook  <paul@codesourcery.com>
8500
8501         * doc/install.texi: Add link to GFortran binaries wiki page.
8502
8503 2005-07-29  David Ung  <davidu@mips.com>
8504
8505         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8506         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8507         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8508         * config/mips/mips.md (cpu): Add 5kf name.
8509         (includes): Includes 5k.md.
8510         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8511         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8512         -march flag.
8513
8514 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8515
8516         PR 22550
8517         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8518         (cleanup_tree_cfg): ... here.
8519         Call cleanup_tree_cfg_1 until there are no more cleanups to
8520         do.
8521
8522 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8523
8524         * tree-vrp.c (compare_range_with_value): Return true or false
8525         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8526         EQ_EXPR respectively.
8527
8528 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8529
8530         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8531         Fix comment typos.
8532
8533 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8534
8535         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8536         (tree_ssa_dominator_optimize): Increment it.
8537         (dump_dominator_optimization_stats): Print it.
8538
8539 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8540             Steven Bosscher  <stevenb@suse.de>
8541
8542         PR rtl-optimization/23117
8543         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8544         when head == tail.  Tidy comment.
8545
8546 2005-07-28  Richard Henderson  <rth@redhat.com>
8547
8548         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8549         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8550         * jump.c (rtx_renumbered_equal_p): Likewise.
8551         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8552         CONST_INT and CONST_DOUBLE.
8553         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8554         * reload.c (operands_match_p): Special case CONST_INT and
8555         CONST_DOUBLE; check mode earlier.
8556
8557 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8558
8559         PR c/22240
8560         * c-typeck.c (convert_for_assignment): Do not check
8561         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8562
8563 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8564
8565         PR c/22192
8566         * c-typeck.c (composite_type): Prefer constant size arrays to
8567         VLAs.
8568
8569 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8570
8571         PR c/21720
8572         * real.c (real_from_string): Set last bit if there is a nonzero
8573         hex digit beyond GCC's internal precision.
8574
8575 2005-07-28  Richard Henderson  <rth@redhat.com>
8576
8577         PR rtl-opt/22619
8578         * cfgcleanup.c (try_forward_edges): Watch out for end of
8579         insn chain.
8580
8581 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8582
8583         PR c/23106
8584         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8585
8586 2005-07-28  Jan Hubicka  <jh@suse.cz>
8587
8588         * Makefile.in (rtl-profile.o): Kill all traces of it.
8589         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8590         * coverage.h (rtl_coverage_counter_ref): Kill.
8591         * opts.c (flag_speculative_prefetching_set): Kill.
8592         (flag_loop_optimize_set): New.
8593         (common_handle_option): Disable loop optimizer when profiling;
8594         do not handle speculative prefetching.
8595         * passes.c (init_optimization_passes): Replace pass_profiling combo
8596         by branch_prob pass.
8597         * profile.c (compute_value_histograms): Update for simplified value
8598         profiles.
8599         (rtl_register_profile_hooks): Kill.
8600         (pass_profiling): Kill.
8601         (rest_of_handle_branch_prob): Do not profile.
8602         * toplev.c (process_options): Remove speculative prefetching.
8603         * toplev.h (flag_tree_based_profiling): Kill.
8604         * tree-profile.c (prepare_instrumented_value,
8605         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8606         tree_gen_one_value_profiler, do_tree_profiling): Update for
8607         simplified datastructures.
8608         * value-prof.c: Add comment that speculative prefetching was dropped;
8609         update rest of file for simplified datastructures.
8610         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8611         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8612         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8613         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8614         rtl_mod_subtract, gen_speculative_prefetch,
8615         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8616         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8617         (gate_handle_value_profile_transformations,
8618         rest_of_handle_value_profile_transformations,
8619         pass_value_profile_transformations): Kill.
8620         * value-prof.h (histogram_value_t): Remove IL based unions.
8621         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8622         rtl_profile_hooks): Remove hooks.
8623
8624         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8625
8626         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8627         (cgraph_clone_node): Likewise.
8628         * cgraph.h (cgraph_clone_edge): Update prototype.
8629         (cgraph_clone_node): Likewise.
8630         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8631         cgraph_clone_node.
8632         (lookup_recursive_calls): Consider profile.
8633         (cgraph_decide_recursive_inlining): Fix updating; use new
8634         probability argument; use profile.
8635         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8636         * tree-inline.c (copy_bb): Update clal of clone_edge.
8637         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8638
8639         * invoke.texi (min-inline-recursive-probability): Document.
8640
8641 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8642
8643         * doc/install.texi (Configuration): Update Valgrind homepage.
8644
8645 2005-07-28  Richard Henderson  <rth@redhat.com>
8646
8647         PR middle-end/21362
8648         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8649         labels we want to delete.
8650         (cfg_layout_merge_blocks): Likewise.
8651
8652 2005-07-28  Richard Henderson  <rth@redhat.com>
8653
8654         PR target/17692
8655         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8656         when expanding to nothing.
8657
8658 2005-07-28  Josh Conner  <jconner@apple.com>
8659
8660         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8661         (cgraph_decide_inlining_of_small_functions): Likewise.
8662
8663 2005-07-28  Josh Conner  <jconner@apple.com>
8664
8665         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8666         direction of badness if negative.
8667         (cgraph_default_inline_p): Add reason to parameters, and assign it
8668         a value.
8669         (cgraph_decide_inlining_of_small_functions): New parameter in call
8670         to cgraph_default_inline_p.
8671         (cgraph_decide_inlining_incrementally): Likewise.
8672         * cgraphunit.c (decide_is_function_needed): Likewise.
8673         * cgraph.h (cgraph_default_inline_p): Likewise.
8674
8675 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8676
8677         * builtins.c: Fix comment typo(s).
8678         * genautomata.c: Likewise.
8679         * gimplify.c: Likewise.
8680         * tree-dfa.c: Likewise.
8681         * tree-flow-inline.h: Likewise.
8682         * tree-into-ssa.c: Likewise.
8683         * tree-ssa-alias.c: Likewise.
8684         * tree-ssa-ccp.c: Likewise.
8685         * tree-ssa-copy.c: Likewise.
8686         * tree-ssa-dce.c: Likewise.
8687         * tree-ssa-dom.c: Likewise.
8688         * tree-ssa-operands.c: Likewise.
8689         * tree-tailcall.c: Likewise.
8690         * tree-vectorizer.c: Likewise.
8691         * tree-vrp.c: Likewise.
8692         * tree.c: Likewise.
8693
8694 2005-07-28  Jeff Law  <law@redhat.com>
8695
8696         * tree-vrp.c (test_for_singularity): Extracted from  ...
8697         (simplify_cond_using_ranges): Attempt to simplify a relational
8698         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8699
8700 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8701
8702         PR tree-optimization/22506
8703         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8704         phis whose argument is constant.
8705
8706 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8707
8708         PR rtl-optimization/18992
8709         Back out this patch:
8710           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8711           PR optimization/12142
8712           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8713           uses of the register in the SET_SRC.  Remove unnecessary argument.
8714
8715         Replace it with this:
8716         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8717         if flag_non_call_exceptions is set and the insn may trap, pass
8718         pc_rtx as dest for recursion.
8719         In SET_SRC part of SET case, if dest is already set, pass it down
8720         unchanged.
8721
8722 2005-07-28  Jan Hubicka  <jh@suse.cz>
8723
8724         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8725         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8726         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8727         roundoff errors.
8728         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8729         profile when available.
8730
8731 2005-07-28  Jan Beulich <jbeulich@novell.com>
8732
8733         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8734         (ia64_print_operand): Describe and handle 'X'.
8735         (ia64_register_move_cost): Also handle FP_REGS.
8736         (ia64_preferred_reload_class): Likewise.
8737         (ia64_secondary_reload_class): Likewise.
8738         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8739         it. Also check for ITANIUM_CLASS_FLDP.
8740         * config/ia64/ia64.h (FP_REGNO_P): New.
8741         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8742         (reg_class): Add FP_REGS.
8743         (REG_CLASS_NAMES): Adjust for it.
8744         (REG_CLASS_CONTENTS): Likewise.
8745         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8746         (REG_CLASS_FROM_LETTER): Handle 'x'.
8747         (CLASS_MAX_NREGS): Handle FP_REGS.
8748         (MEMORY_MOVE_COST): Likewise.
8749         * config/ia64/ia64.md (itanium_class): Add fldp.
8750         (type): Handle fldp.
8751         (movti_internal): More allowable operand combinations. Use ldfp8 when
8752         splitting unnecessary. Remove predicable attribute. Adjust
8753         itanium_class attribute.
8754         (smuldi3_highpart): Remove outdated comment.
8755         (mulditi3, umulditi3, rotlti3): New expanders.
8756         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8757         (absti2): Disabled new insn for future reference.
8758         Respective new splitters.
8759         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8760         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8761         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8762
8763 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8764
8765         PR rtl-optimization/23047
8766         * simplify-rtx.c (simplify_const_relational_operation): Respect
8767         flag_wrapv for comparisons with ABS.
8768
8769 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8770
8771         PR tree-optimization/22493
8772         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8773         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8774
8775 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8776
8777         * config/frv/frv.opt (moptimize-membar): New.
8778
8779         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8780
8781         * config/frv/frv.h: Remove machine_function definition.
8782
8783         * config/frv/frv.c (struct frv_io): New.
8784         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8785         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8786         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8787         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8788         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8789         (frv_reorg): Call frv_optimize_membar when appropriate.
8790         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8791         (frv_expand_builtin): Adjust calls accordingly.
8792         (frv_io_address_cookie): New function.
8793         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8794         load or store rather than a special insn.  Add ccnstant address and
8795         io-type operands to the membar.
8796         (frv_ifcvt_modify_tests): Unsign regno.
8797         (frv_ifcvt_modify_tests): Same.
8798
8799         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8800         UNSPEC_OPTIONAL_MEMBAR constant.
8801         (builtin_read_<mode>): Delete.
8802         (builtin_write_<mode>): Delete.
8803         ("optional_membar_<mode>"): Add operand.
8804
8805         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8806         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8807         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8808         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8809         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8810         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8811         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8812         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8813         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8814
8815 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8816
8817         * df.c (df_uses_record): Handle SCRATCH.
8818
8819 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8820
8821         PR debug/20161
8822         * passes.c (rest_of_decl_compilation): If decl is a type and
8823         we have encountered errors, don't emit debug information.
8824
8825 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8826
8827         * params.def: Fixed comment.
8828
8829 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8830
8831         PR target/19885
8832         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8833         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8834         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8835
8836 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8837
8838         PR c++/22003
8839         * varasm.c (assemble_start_function): Don't do anything that may
8840         require a CFG if the current function is a thunk.
8841
8842 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8843
8844         * doc/install.texi (Prerequisites): Mention that perl is needed
8845         to do export control in libstdc++ targetting Darwin.
8846
8847 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8848
8849         PR rtl-optimization/17808
8850         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8851         (sched_insns_conditions_mutex_p): Split out from...
8852         (add_dependence): ...here.  But don't call it from here.
8853         (add_dependence_list): Check sched_insns_conditions_mutex_p
8854         before calling add_dependence.
8855         (add_dependence_list_and_free): Likewise.
8856         (fixup_sched_groups): Likewise.
8857         (sched_analyze_1): Likewise.
8858         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8859         (sched_analyze): Likewise.
8860         (sched_analyze_insn): Likewise.
8861         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8862         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8863         dependencies on all COND_EXEC insns to jumps ending basic blocks
8864         when doing intrablock scheduling.
8865         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8866
8867 2005-07-27  Jeff Law  <law@redhat.com>
8868
8869         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8870         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8871         equivalency sets, correctly handle the case were vr0 has an
8872         equivalency set, but vr1 does not.
8873
8874 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8875
8876         PR tree-optimization/23073
8877         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8878         vect_print_dump_info before fprintf.
8879
8880 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8881
8882         PR tree-optimize/22348
8883         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8884         Fold the partial computation.
8885
8886 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8887
8888         PR tree-optimization/22325
8889         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8890         Declare.
8891         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8892         value replacement.
8893         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8894         (force_var_cost): ... this function.
8895         (compute_phi_arg_on_exit): Export.
8896
8897 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8898
8899         PR tree-optimization/20773
8900         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8901         edge.
8902
8903 2005-07-27  Richard Guenther  <rguenther@suse.de>
8904
8905         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8906         Avoid pushing again if current struct contains only
8907         fields we decomposed.
8908
8909 2005-07-27  Jan Hubicka  <jh@suse.cz>
8910
8911         PR tree-optimization/22574
8912         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8913         not available.
8914
8915         * tree-tailcall.c (decrease_profile): New function.
8916         (eliminate_tail_call): Use it.
8917
8918         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8919         visibility flags correctly in whole program mode.
8920
8921 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8922
8923         PR rtl-optimization/22472
8924         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8925
8926 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8927
8928         PR tree-optimization/22504
8929         * tree-complex.c (expand_complex_addition): Use 'code' instead
8930         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8931
8932 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8933
8934         * config.gcc (cpu_type): Add frv case.
8935         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8936         (supported_defaults): Add fr550 case.
8937
8938 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8939
8940         PR 22591
8941         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8942         whether a pointer of type T * may point to objects of type T *.
8943
8944 2005-07-26  DJ Delorie  <dj@redhat.com>
8945
8946         * configure: Regenerate.
8947
8948 2005-07-26  Dale Johannesen  <dalej@apple.com>
8949
8950         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8951
8952 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8953
8954         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8955         Clarify use of "build" in name.
8956
8957 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8958
8959         * doc/extend.texi (Raw read/write Functions): New section.
8960         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8961         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8962         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8963         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8964         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8965         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8966         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8967         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8968         * config/frv/frv.c: Add bdesc_loads global.
8969         Add bdesc_stores global.
8970         (frv_init_builtins): Add support for __builtin_{read/write}*.
8971         (frv_volatile_memref): New.
8972         (frv_expand_load_builtin): New.
8973         (frv_expand_store_builtin): New.
8974         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8975         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8976         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8977         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8978         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8979         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8980         (builtin_read_<mode>): New.
8981         (builtin_write_<mode>): New.
8982         (builtin_write64): New.
8983         (optional_membar_<mode>): New.
8984
8985 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8986
8987         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8988         (rather than units) against HOST_BITS_PER_WIDE_INT.
8989
8990 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8991
8992         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8993         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8994         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8995         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8996         FSF address.
8997
8998         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8999         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9000         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9001         comment typos.
9002         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9003
9004 2005-07-26  Richard Guenther  <rguenther@suse.de>
9005
9006         PR tree-optimization/22486
9007         * fold-const.c (fold_unary): Fold away useless component
9008         references of the form (T *)&T.x, if the address
9009         doesn't change.
9010
9011 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9012
9013         * dwarf2out.c (add_call_src_coords_attributes): New.
9014         (gen_inlined_subroutine_die): Call it.
9015         (maybe_emit_file, init_file_table): Add comments.
9016         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9017         maybe_emit_file.
9018         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9019         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9020         * tree.h (BLOCK_SOURCE_LOCATION): New.
9021         (struct tree_block): New field locus.
9022
9023 2005-07-26  Andreas Schwab  <schwab@suse.de>
9024
9025         PR rtl-optimization/23043
9026         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9027         when allocating a struct unoccr.
9028
9029 2005-07-25  Richard Henderson  <rth@redhat.com>
9030
9031         PR 22626
9032         * tree-complex.c (gate_no_optimization): True if errors.
9033         * Makefile.in (tree-complex.o): Update dependencies.
9034
9035 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9036
9037         * config/frv/predicates.md (integer_register_operand): Use
9038         GPR_AP_OR_PSEUDO_P.
9039
9040 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9041
9042         PR tree-opt/22484
9043         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9044         after fold.
9045         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9046
9047 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9048
9049         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9050         types when flag_unsafe_math_optimizations is true.
9051
9052 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9053
9054         * gcc.c (option_map): Add --sysroot.
9055         (process_command): Handle --sysroot.
9056         (display_help): Document it.
9057         * doc/cppopts.tex (-isysroot): Document.
9058         * doc/invoke.texi (--sysroot): Document.
9059         * doc/install.texi (--with-build-sysroot): Document.
9060
9061         * Makefile.in (inhibit_libc): New variable.
9062         (INHIBIT_LIBC_CFLAGS): Likewise.
9063         (LIBGCC2_CFLAGS): Include
9064         $(INHIBIT_LIBC_CFLAGS).
9065         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9066         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9067         ($(T)crtend.o): Likewise.
9068         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9069         ($(T)crtendS.o): Likewise.
9070         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9071         ($(T)crtendT.o): Likewise.
9072         (stmp-fixinc): Do not complain about missing headers if
9073         inhibit_libc.
9074         * configure.ac (inhibit_libc): Set it to true/false.
9075         (--with-build-sysroot): New option.  Use it to set
9076         SYSTEM_HEADER_DIR.
9077         * configure: Regenerated.
9078
9079 2005-07-25  Manfred Hollstein  <mh@suse.com>
9080
9081         * calls.c (store_one_arg): Fix unsigned comparison warning.
9082
9083 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9084
9085         PR other/22337
9086         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9087         (ggc_print_statistics): Initialize variable before use.
9088
9089 2005-07-25  Richard Guenther  <rguenther@suse.de>
9090
9091         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9092         calling with a PHI_NODE argument.
9093
9094         * tree-flow-inline.h (overlap_subvar): Protect against
9095         possible overflow.
9096
9097 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9098
9099         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9100         * configure: Regenerate.
9101
9102 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9103
9104         * expr.c (highest_pow2_factor): Make extern.
9105         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9106         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9107         record_array_differ_p, array_ptr_differ_p): Likewise.
9108         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9109         additional cases. Call the above functions.
9110         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9111         base_object_differ_p when there are two base objects. Otherwise, compare
9112         base address and offset. Call may_alias_p.
9113         (dump_data_reference): Use a correct field name.
9114         (analyze_array): Make static. Initialize new data-ref fields.
9115         (analyze_indirect_ref): New function.
9116         (init_data_ref): Initialize new data-ref fields.
9117         (strip_conversion): Moved from tree-vect-analyze.c.
9118         (analyze_offset_expr, get_ptr_offset, address_analysis,
9119         object_analysis): Likewise.
9120         (analyze_offset): New function.
9121         (create_data_ref): Likewise.
9122         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9123         dimensions for ARRAY_REFs only.
9124         (build_classic_dist_vector): Make static.
9125         (access_functions_are_affine_or_constant_p): Call macro to get the
9126         address of access functions.
9127         (compute_all_dependences): Add new parameter
9128         compute_self_and_read_read_dependences. Compute self and read-read
9129         dependences if it is true.
9130         (find_data_references_in_loop): Call create_data_ref. Initialize new
9131         data-ref fields.
9132         (compute_data_dependences_for_loop): Add new parameter
9133         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9134         compute nb_loops. Call compute_all_dependences,
9135         build_classic_dist_vector and build_classic_dir_vector with correct
9136         parameters.
9137         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9138         with correct parameters. Compare dimensions for ARRAY_REFs only.
9139         (free_data_refs): Call macro to free access functions.
9140         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9141         fields from stmt_vinfo.
9142         (struct base_object_info): New structure.
9143         (struct data_reference): Move fields to base_object_info. Add fields
9144         first_location and object_info for above structures. Move fields from
9145         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9146         aligned_to.  Add macros to access the new fields.
9147         Update functions declarations.
9148         * tree-flow.h (is_aliased_with): Declare.
9149         * tree-loop-linear.c (linear_transform_loops): Call
9150         compute_data_dependences_for_loop with correct parameters.
9151         * tree-ssa-alias.c (is_aliased_with): New function.
9152         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9153         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9154         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9155         vect_base_addr_differ_p, compute_subscript_distance and
9156         build_classic_dist_vector. Add printings. Check absolute value of
9157         distance.
9158         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9159         data-refs.
9160         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9161         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9162         to bytes. Add printing.
9163         (vect_compute_data_refs_alignment): Go through loads and stores in one
9164         loop.
9165         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9166         vect_analyze_data_ref_access): Likewise.
9167         (vect_analyze_pointer_ref_access): Remove.
9168         (vect_address_analysis, vect_object_analysis): Likewise.
9169         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9170         and analyze data-refs in the loop.
9171         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9172         fields of data-ref instead of stmt. Add init to the offset from the
9173         base.
9174         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9175         (vect_update_init_of_dr): Likewise.
9176         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9177         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9178         removed fields.
9179         (new_loop_vec_info): Initialize new fields.
9180         (destroy_loop_vec_info): Free new fields.
9181         (vect_strip_conversion): Remove.
9182         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9183         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9184         datarefs. Add new field ddrs.
9185         Add macros for the new fields access.
9186         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9187         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9188         Remove their macros.
9189         * tree.h (highest_pow2_factor): Declare.
9190
9191 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9192
9193         * calls.c (store_one_arg): Check for sibling call MEM arguments
9194         from already clobbered incoming argument area.
9195
9196 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9197
9198         * c-common.c (check_missing_format_attribute): New.
9199         * c-common.h (check_missing_format_attribute): Likewise.
9200         * c-typeck.c (convert_for_assignment): Use it.
9201
9202 2005-07-24  Andreas Schwab  <schwab@suse.de>
9203
9204         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9205         register use a word move.  Correct operand of ext.w in 68000 code.
9206
9207 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9208
9209         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9210         variables as declarations, rather than definitions.
9211
9212 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9213
9214         PR tree-optimization/22526
9215         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9216         of the zero node.
9217
9218 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9219
9220         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9221         that C99 reserve for future use. Use it to define clog10,
9222         clog10f and clog10l.
9223
9224 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9225
9226         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9227         * configure.ac: Check for -Wmissing-format-attribute.
9228
9229         * configure: Regenerate.
9230
9231 2005-07-23  Richard Henderson  <rth@redhat.com>
9232
9233         PR tree-optimization/22623
9234         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9235
9236 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9237
9238         PR target/22577
9239         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9240
9241 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9242
9243         * Makefile.in (C_TREE_H): Update dependencies.
9244         * c-tree.h: Include toplev.h.
9245         * diagnostic.h (diagnostic_set_info): Add format attribute.
9246         * rtl-error.c (diagnostic_for_asm): Likewise.
9247
9248 2005-07-23  Chao-ying Fu  <fu@mips.com>
9249
9250         * config/mips/mips-dsp.md: New file.
9251         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9252         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9253         functions.
9254         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9255         MIPS_BUILTIN_BPOSGE32.
9256         (mips_expand_builtin_direct): Add one parameter to indicate that
9257         builtin functions need to return a value.
9258         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9259         functions.
9260         (mips_regno_to_class): Add classes for 12 new DSP registers.
9261         (mips_subword): Change to check four HI registers.
9262         (mips_output_move): Output move to and from 6 new DSP accumulators.
9263         (override_options): Make sure -mdsp and -mips16 are not used together.
9264         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9265         for machine modes.
9266         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9267         when !TARGET_DSP.
9268         (print_operand): Add 'q' for printing DSP accumulators.
9269         (mips_cannot_change_mode_class): Check ACC_REGS.
9270         (mips_secondary_reload_class): Check ACC_REGS.
9271         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9272         (mips_register_move_cost): Check ACC_REGS.
9273         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9274         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9275         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9276         (dsp_bdesc): New array.
9277         (bdesc_arrays): Add DSP builtin function table.
9278         (mips_prepare_builtin_arg): Check predicate again after
9279         copy_to_mode_reg.
9280         (mips_expand_builtin): Add one more parameter to
9281         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9282         MIPS_BUILTIN_BPOSGE32.
9283         (mips_init_builtins): Initialize new function types.
9284         (mips_expand_builtin_direct): Check if builtin functions need to
9285         return a value and pass operands properly.
9286         (mips_expand_builtin_bposge): New function.
9287         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9288         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9289         (FIRST_PSEUDO_REGISTER): Increase to 188.
9290         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9291         Update for 12 new DSP registers.
9292         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9293         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9294         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9295         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9296         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9297         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9298         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9299         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9300         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9301         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9302         (REGISTER_NAMES): Add names for 12 new DSP registers.
9303         * config/mips/mips.md: Include mips-dsp.md.
9304         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9305         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9306         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9307         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9308         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9309         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9310         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9311         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9312         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9313         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9314         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9315         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9316         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9317         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9318         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9319         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9320         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9321         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9322         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9323         (UNSPEC_RDDSP): New constants.
9324         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9325         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9326         A<-d alternative.
9327         * config/mips/mips.opt (-mdsp): New option.
9328         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9329         (reg_imm10_operand): New predicates.
9330         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9331         * doc/invoke.texi (-mdsp): Document new option.
9332
9333 2005-07-22  DJ Delorie  <dj@redhat.com>
9334
9335         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9336         to warning calls.
9337         * tree-inline.c (inlinable_function_p): Likewise.
9338
9339 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9340
9341         PR debug/21828
9342         * toplev.c (check_global_declarations): Do not mark undefined
9343         variables as DECL_IGNORED_P.
9344         * varasm.c (first_global_object_name): GTY it.
9345         (weak_global_object_name): Likewise.
9346         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9347         a string to go into {weak,first}_global_object_name.
9348
9349 2005-07-22  DJ Delorie  <dj@redhat.com>
9350
9351         * c-format.c (check_function_format): Change warning control
9352         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9353
9354 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9355
9356         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9357         &PTR->FLD a dereference of PTR.
9358         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9359         a potential dereference of PTR.
9360
9361 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9362
9363         PR rtl-optimization/20370
9364         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9365         call allocate_reg_info if necessary.
9366
9367         PR rtl-optimization/21848
9368         * calls.c (emit_library_call_value_1): For const functions, add
9369         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9370
9371         PR rtl-optimization/22445
9372         * cselib.c (target.h): Include.
9373         (rtx_equal_for_cselib_p): Allow commutative matches.
9374         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9375         Remove MODE parameter.  Changed all callers.
9376
9377         PR rtl-optimization/22258
9378         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9379         New functions.
9380         (try_combine): Use likely_spilled_retval_p.
9381
9382 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9383
9384         * config.gcc: Add crx-elf support.
9385
9386         * doc/contrib.texi: Mention crx.
9387         * doc/extend.texi: Document crx extensions.
9388         * doc/install.texi: Document crx install.
9389         * doc/invoke.texi: Document crx options.
9390         * doc/md.texi: Document crx constraints.
9391
9392         * config/crx/crx-protos.h: New file.
9393         * config/crx/crx.c: New file.
9394         * config/crx/crx.h: New file.
9395         * config/crx/crx.md: New file.
9396         * config/crx/crx.opt: New file.
9397         * config/crx/t-crx: New file.
9398
9399 2005-07-22  Manfred Hollstein  <mh@suse.com>
9400
9401         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9402         warnings.
9403         (int_add_graph_edge): Likewise.
9404         (collapse_nodes): Likewise.
9405         (process_unification_queue): Likewise.
9406
9407 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9408             Laurent GUERBY  <laurent@guerby.net>
9409
9410         PR tree-optimization/22336
9411         * function.c (record_block_change): Check for
9412         cfun->ib_boundaries_block.
9413
9414 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9415
9416         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9417         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9418
9419 2005-07-21  DJ Delorie  <dj@redhat.com>
9420
9421         * toplev.c (warn_deprecated_use): Add warning control to warning
9422         call.
9423         * c-typeck.c (parser_build_binary_op): Likewise.
9424         (c_finish_if_stmt): Likewise.
9425         * c-common.c (check_function_sentinel): Likewise.
9426         (check_nonnull_arg): Likewise.
9427
9428 2005-07-21  Richard Henderson  <rth@redhat.com>
9429
9430         PR tree-opt/22504
9431         * tree-complex.c (complex_ssa_name_components): New.
9432         (cvc_lookup): Allow entry not found.
9433         (create_components): Remove.
9434         (create_one_component_var, get_component_var): New.
9435         (get_component_ssa_name, set_component_ssa_name): New.
9436         (extract_component): Use get_component_ssa_name.
9437         (update_complex_components): Use set_component_ssa_name.
9438         (update_complex_components_on_edge): Likewise.
9439         (update_phi_components): Create new PHI nodes directly, instead
9440         of adding insns to edges.
9441         (tree_lower_complex): Allocate and free complex_variable_components
9442         and complex_ssa_name_components here.
9443
9444 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9445
9446         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9447         revert to returning false.
9448
9449 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9450
9451         PR target/21149
9452         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9453
9454 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9455
9456         PR target/22576
9457         * config/i386/i386.md (cmpxf): Change operand constraints
9458         to "nonmemory_operand".
9459
9460 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9461
9462         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9463
9464 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9465
9466         PR middle-end/21180
9467         * fold-const.c (fold_build1): Add checksum for the operands.
9468         (fold_build2): Likewise.
9469         (fold_build3): Likewise.
9470
9471 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9472
9473         PR middle-end/19055
9474         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9475
9476 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9477
9478         * common.opt (-fforward-propagate): Committed by mistake,
9479         removed.
9480
9481 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9482
9483         * reg-stack.c: Fix comment typo(s).
9484         * tree-ssa-operands.c: Likewise.
9485         * tree-vectorizer: Likewise.
9486
9487 2005-07-21  Nick Clifton  <nickc@redhat.com>
9488
9489         * config/sh/symbian.c: Replace C++ style line comments with C
9490         style line comments.
9491         (symbian_add_attribute): Do not use a ? operator on the LHS of
9492         an assignment.
9493         (sh_symbian_handle_dll_attribute): Change the type of the
9494         method vector to "VEC(tree,gc)*" and use vector accessor
9495         macros to walk over the elements.
9496         (symbian_export_vtable_and_rtti_p): Likewise.
9497         (symbian_class_needs_attribute_p): Likewise.
9498
9499 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9500
9501         PR target/22085
9502         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9503         initialize targetm.resolve_overloaded_builtin here.
9504         (altivec_expand_overloaded_builtin): Make it non-static.
9505         * config/rs6000/rs6000-protos.h
9506         (altivec_expand_overloaded_builtin): New prototype.
9507         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9508         targetm.resolve_overloaded_builtin here.
9509         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9510
9511 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9512             Zdenek Dvorak  <dvorakz@suse.cz>
9513
9514         PR tree-optimization/19210
9515         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9516         New.
9517         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9518         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9519         rely on unproven assumptions.
9520         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9521         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9522         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9523         to number_of_iterations_exit.
9524         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9525         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9526         * tree-ssa-loop-niter.c (find_loop_niter,
9527         estimate_numbers_of_iterations_loop): Likewise.
9528         (number_of_iterations_exit): Honor the new options.
9529         * doc/invoke.texi (Wunsafe-loop-optimizations,
9530         funsafe-loop-optimizations): Document them.
9531
9532 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9533
9534         PR rtl-optimization/22167
9535         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9536
9537 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9538
9539         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9540         __do_global_dtors_aux longcall.
9541
9542 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9543
9544         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9545         (old_special_pred_table): Don't reference
9546         SPECIAL_MODE_PREDICATES.
9547         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9548         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9549         * config/sh/predicates.h: Don't mention
9550         SPECIAL_MODE_PREDICATES.
9551         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9552         Remove.
9553
9554 2005-07-20  DJ Delorie  <dj@redhat.com>
9555
9556         * config.gcc: Add m32c-elf support.
9557
9558         * doc/contrib.texi: Mention m32c.
9559         * doc/extend.texi: Document m32c extensions.
9560         * doc/install.texi: Mention m32c.
9561         * doc/invoke.texi: Document m32c options.
9562         * doc/md.texi: Document m32c constraints.
9563
9564         * config/m32c/addsub.md: New file.
9565         * config/m32c/bitops.md: New file.
9566         * config/m32c/cond.md: New file.
9567         * config/m32c/jump.md: New file.
9568         * config/m32c/m32c-lib1.S: New file.
9569         * config/m32c/m32c-lib2.c: New file.
9570         * config/m32c/m32c-modes.def: New file.
9571         * config/m32c/m32c-pragma.c: New file.
9572         * config/m32c/m32c-protos.h: New file.
9573         * config/m32c/m32c.abi: New file.
9574         * config/m32c/m32c.c: New file.
9575         * config/m32c/m32c.h: New file.
9576         * config/m32c/m32c.md: New file.
9577         * config/m32c/m32c.opt: New file.
9578         * config/m32c/minmax.md: New file.
9579         * config/m32c/mov.md: New file.
9580         * config/m32c/muldiv.md: New file.
9581         * config/m32c/predicates.md: New file.
9582         * config/m32c/prologue.md: New file.
9583         * config/m32c/shift.md: New file.
9584         * config/m32c/t-m32c: New file.
9585
9586 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9587
9588         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9589         (stack_protect_set, stack_protect_test): New expanders.
9590         (stack_protect_set_si, stack_protect_set_si_media,
9591         stack_protect_set_di_media, stack_protect_test_si,
9592         stack_protect_test_si_media, stack_protect_test_di_media):
9593         New insns.
9594
9595 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9596
9597         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9598
9599 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9600
9601         * tree.h (tree_expr_nonzero_p): Export.
9602         * fold-const.c (tree_expr_nonzero_p): Likewise.
9603         Return true for CALL_EXPRs that are alloca calls.
9604         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9605         against zero.
9606         * tree-flow.h (expr_computes_nonzero): Remove.
9607         * tree-vrp.c (expr_computes_nonzero): Remove.
9608         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9609         (extract_range_from_unary_expr): Likewise.
9610         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9611         tree_expr_nonzero_p.
9612
9613 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9614
9615         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9616         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9617         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9618         All callers changed.
9619         (frame_related_constant_load): New arg "related" which controls
9620         setting of RTX_FRAME_RELATED_P.  All callers changed.
9621         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9622         (bfin_expand_prologue): Add stack limit checking.
9623         * config/bfin/bfin.md (trapifcc): New pattern.
9624
9625         * config/bfin/bfin.c: Include "langhooks.h".
9626         (def_builtin): Go through lang_hooks to call builtin_function.
9627
9628         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9629         * config/bfin/predicates.md (symbol_ref_operand): New.
9630         (call_insn_operand): Delete.  All callers changed to use
9631         register_no_elim_operand.
9632         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9633         call_cookie field.
9634         (function_arg): Use it to generate the call's operand 2.
9635         (bfin_longcall_p): New function.
9636         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9637         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9638         determine if the address needs to be in a REG.
9639         (bfin_handle_longcall_attribute): New function.
9640         (bfin_attribute_table): Add "longcall" and "shortcall".
9641         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9642         (CUMULATIVE_ARGS): New member call_cookie.
9643         (PREDICATE_CODES): Add symbol_ref_operand.
9644         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9645         extra USE to the pattern.
9646         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9647         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9648         sibcall_value_insn; now the new patterns handle direct calls and the
9649         old ones indirect calls.
9650         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9651
9652 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9653
9654         * doc/trouble.texi: Update section on handling of empty loops.
9655
9656 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9657
9658         * config.gcc: Remove support for sparc-*-openbsd*,
9659         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9660         ns32k-*-netbsd*.
9661         * config.host: Remove support for i860-*-sysv4* as a host.
9662         * config/i860/*, config/ip2k/*, config/ns32k/*,
9663         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9664         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9665         mention obsolete ports.
9666
9667 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9668
9669         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9670         soft frame pointer.
9671         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9672         of frame_pointer_rtx.
9673         (sh_expand_epilogue): Likewise.
9674         (sh_set_return_address): Likewise.
9675         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9676         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9677         offsets from FRAME_POINTER_REGNUM.
9678         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9679         (sh_register_names): Add initializer for sfp.
9680         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9681         (VALID_REGISTER_P): Likewise.
9682         (FIRST_PSEUDO_REGISTER): Update.
9683         (DWARF_FRAME_REGISTERS): Define.
9684         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9685         (HARD_FRAME_POINTER_REGNUM): Define.
9686         (FRAME_POINTER_REGNUM): Redefine.
9687         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9688         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9689         from FRAME_POINTER_REGNUM.
9690         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9691         FRAME_POINTER_REGNUM.
9692         (REG_CLASS_CONTENTS): Add sfp.
9693         (REG_ALLOC_ORDER): Likewise.
9694         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9695         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9696         of frame_pointer_rtx.
9697         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9698
9699 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9700
9701         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9702         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9703         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9704         of an ABS_EXPR.
9705         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9706         ABS_EXPR<x>.
9707
9708 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9709
9710         Make CONSTRUCTOR use VEC to store initializers.
9711         * c-common.c (complete_array_type): Update to cope with VEC in
9712         CONSTRUCTOR_ELTS.
9713         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9714         (pp_c_constructor_elts): New function.
9715         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9716         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9717         struct constructor_stack, struct initializer_stack,
9718         constructor_elements, push_init_level, pop_init_level,
9719         add_pending_init, find_init_member, output_init_element): Update to
9720         cope with VEC in CONSTRUCTOR_ELTS.
9721         * coverage.c (build_fn_info_value, build_ctr_info_value,
9722         build_gcov_info): Likewise.
9723         * expr.c (categorize_ctor_elements_1, store_constructor,
9724         expand_expr_real_1): Likewise.
9725         * fold-const.c (fold_ternary): Likewise.
9726         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9727         gimplify_init_constructor, gimplify_expr): Likewise.
9728         * tree-dump.c (dequeue_and_dump): Likewise.
9729         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9730         node.
9731         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9732         CONSTRUCTOR_ELTS.
9733         * tree-sra.c (generate_element_init_1): Likewise.
9734         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9735         * tree-ssa-operands.c (get_expr_operands): Likewise.
9736         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9737         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9738         (get_initial_def_for_reduction): Likewise.
9739         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9740         value handle in annotations.
9741         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9742         tree_node_structure): Add support for constr_kind.
9743         (build_vector_from_ctor, build_constructor_single,
9744         build_constructor_from_list): New functions.
9745         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9746         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9747         Update to cope with VEC in CONSTRUCTOR_ELTS.
9748         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9749         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9750         CONSTRUCTOR_APPEND_ELT): New macros.
9751         (struct constructor_elt, struct tree_constructor): New data types.
9752         (union tree_node): Add tree_constructor field.
9753         * treestruct.def: Define TS_CONSTRUCTOR.
9754         * varasm.c (const_hash_1, compare_constant, copy_constant,
9755         compute_reloc_for_constant, output_addressed_constants,
9756         initializer_constant_valid_p, output_constant,
9757         array_size_for_constructor, output_constructor): Update to cope with
9758         VEC in CONSTRUCTOR_ELTS.
9759         * vec.h (VEC_empty, VEC_copy): New macros.
9760
9761 2005-07-19  Devang Patel  <dpatel@apple.com>
9762
9763         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9764
9765 2005-07-19  Richard Henderson  <rth@redhat.com>
9766
9767         PR tree-opt/22278
9768         * gimplify.c (gimplify_expr): Use main variant type for the temp
9769         destination for a discarded volatile read.
9770         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9771         casts between non-void types that change volatility.
9772
9773 2005-07-15  DJ Delorie  <dj@redhat.com>
9774
9775         * toplev.h: Add comment about the first parameter for warning().
9776         * errors.h: Likewise.
9777
9778         * c.opt (Wpragmas): New.
9779         * doc/invoke.texi: Document it.
9780
9781         * function.c (do_warn_unused_parameter): Add warning control to
9782         warning call.
9783         * c-decl.c (warn_if_shadowing): Likewise.
9784         * c-lex.c (cb_def_pragma): Likewise.
9785         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9786         (pop_alignment): Likewise.
9787         (handle_pragma_pack): Likewise.
9788         (apply_pragma_weak): Likewise.
9789         (handle_pragma_weak): Likewise.
9790         (handle_pragma_redefine_extname): Likewise.
9791         (add_to_renaming_pragma_list): Likewise.
9792         (handle_pragma_extern_prefix): Likewise.
9793         (maybe_apply_renaming_pragma): Likewise.
9794         (handle_pragma_visibility): Likewise.
9795
9796         * config/c4x/c4x-c.c (BAD): Likewise.
9797         (c4x_parse_pragma): Likewise.
9798         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9799         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9800         (rs6000_pragma_longcall): Likewise.
9801         * config/v850/v850-c.c (pop_data_area): Likewise.
9802         (ghs_pragma_section): Likewise.
9803         (ghs_pragma_section): Likewise.
9804         (ghs_pragma_interrupt): Likewise.
9805         (ghs_pragma_starttda): Likewise.
9806         (ghs_pragma_startsda): Likewise.
9807         (ghs_pragma_startzda): Likewise.
9808         (ghs_pragma_endtda): Likewise.
9809         (ghs_pragma_endsda): Likewise.
9810         (ghs_pragma_endzda): Likewise.
9811
9812 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9813             Kenneth Zadeck <zadeck@naturalbridge.com>
9814
9815         * Makefile.in: Removed tree-promote-statics.c
9816         * tree-promote-statics.c: Removed.
9817         * common.opt: Removed flag-promote-statics.
9818         * opts.c: Ditto.
9819         * passes.c: Removed tree-promote-statics pass.
9820         * tree-pass.h: Ditto.
9821         * timevar.def: Removed TV_PROMOTE_STATICS.
9822
9823
9824 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9825
9826         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9827         and *-*-freebsd9.
9828         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9829
9830 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9831
9832         PR c/22476
9833         * c-common.c (check_function_arguments): Call
9834         'check_function_format' if either -Wformat or
9835         -Wmissing-format-attribute are specified.
9836         * c-format.c (check_function_format): Check -Wformat before
9837         calling 'check_format_info'.
9838         * c-opts.c (c_common_post_options): Don't warn for
9839         -Wmissing-format-attribute without -Wformat.
9840         * c-typeck.c (convert_for_assignment): Detect additional cases for
9841         -Wmissing-format-attribute.
9842         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9843         behavior.
9844
9845 2005-07-19  Richard Guenther  <rguenther@suse.de>
9846
9847         * config/i386/i386.md (lrint<mode>2): Use temporary
9848         instead of clobbering non-existent memory.
9849
9850 2005-07-19  Nick Clifton  <nickc@redhat.com>
9851
9852         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9853         statement to avoid displaying ASCII control characters.
9854
9855 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9856
9857         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9858         * cfganal.c (find_edge_index): Ditto.
9859         * combine.c (combine_instructions): Ditto.
9860         * ddg.c (create_scc): Ditto.
9861         (find_successors): Ditto.
9862         (find_predecessors): Ditto.
9863         (find_nodes_on_paths): Ditto.
9864         (longest_simple_path): Ditto.
9865         * flow.c (update_life_info): Ditto.
9866         (count_or_remove_death_notes): Ditto.
9867         (clear_log_links): Ditto.
9868         * modulo-sched.c (generate_reg_moves): Ditto.
9869         (find_max_asap): Ditto.
9870         (find_max_hv_min_mob): Ditto.
9871         (find_max_dv_min_mob): Ditto.
9872         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9873         * sched-rgn.c (extract_edgelst): Ditto.
9874         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9875         (dump_update_ssa): Ditto.
9876         (ssa_names_to_replace) Ditto.
9877         (switch_virtuals_to_full_rewrite): Ditto.
9878         (update_ssa): Ditto.
9879         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9880
9881 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9882
9883         Fix PR tree-optimization/22483
9884
9885         * tree-complex.c (create_components): Use
9886         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9887         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9888         * tree-flow.h (safe_referenced_var_iterator): New structure.
9889         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9890         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9891         safe_referenced_var iterator.
9892         (add_type_alias): Ditto.
9893
9894 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9895
9896         * loop-init.c (rest_of_handle_loop2): Remove.
9897         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9898         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9899         (pass_rtl_loop_init, pass_rtl_loop_done,
9900         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9901         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9902         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9903         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9904         pass_tree_loop_done, and pass_tree_unswitch.
9905         (gate_loop): Rename to gate_tree_loop.
9906         * passes.c (init_optimization_passes): Update for renamed tree
9907         loop passes.  Add the new loop2 passes as subpasses of loop2.
9908         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9909         Update for the renamed tree loop passes.
9910
9911 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9912
9913         PR middle-end/22057
9914         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9915         blocks when optimizing.
9916
9917 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9918
9919         * common.opt (frename-registers): Initialize to 2.
9920         (fweb): Ditto.
9921         (fgcse-after-reload): Ditto.
9922         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9923         (process_options): Only change flag_web, flag_rename_registers,
9924         and flag_rerun_cse_after_loop if not explicitly set by user.
9925
9926 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9927
9928         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9929         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9930         in 64-bit mode the same as DImode in 32-bit mode.
9931         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9932         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9933         mode. Add new mode parameter.
9934         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9935         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9936         x86_64_shift_adj): New expanders.
9937         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9938         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9939         insns.
9940         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9941         DImode shift splitters.
9942         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9943         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9944         mode parameter.
9945
9946 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9947
9948         * i386.md (movdi_extzv_1): New.
9949         (zero_extendhidi2): Combine alternatives and never force use of
9950         REX64 prefix.
9951         (zero_extendqidi2): Likewise. Don't restrict input selection.
9952
9953 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9954
9955         Fix PR tree-optimization/22531
9956         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9957          moment.
9958
9959 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9960
9961         * tree-promote-statics.c (pass_promote_statics): Change dump file
9962          name.
9963
9964 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9965
9966         * tree-optimize.c (init_tree_optimization_passes): Add
9967         pass_eliminate_useless_stores pass.
9968         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9969         * tree-ssa-pre.c (is_copy_stmt): New function.
9970         (follow_copies_till_vuse): Ditto.
9971         (do_eustores): Ditto.
9972         (gate_eustores): Ditto.
9973
9974 2005-07-16  Richard Henderson  <rth@redhat.com>
9975
9976         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9977
9978 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9979            Kenneth Zadeck <zadeck@naturalbridge.com>
9980
9981         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9982         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9983         ipa-type-escape.h, tree-promote-statics.c
9984         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9985         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9986         tree-promote-statics.c: new files.
9987         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9988         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9989         int nonlocal_set_p, mark_constant_function): Deleted.
9990         (rest_of_handle_cfg): Removed call to mark_constant_function.
9991         (nonoverlapping_component_refs_p): Added calls to support
9992         type based aliasing.
9993         * tree-ssa-alias.c (may_alias_p,
9994         compute_flow_insensitive_aliasing): Ditto.
9995         * calls.c (flags_from_decl_or_type): Removed reference to
9996         cgraph_rtl_info.
9997         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9998         too many arguments.  This is necessary for Spec 2000.
9999         * cgraph.h (const_function, pure_function): Removed.
10000         * common.opt: Added "fipa-pure-const", "fipa-reference",
10001         "fipa-type-escape", and "ftree-promote-static".
10002         * opts.c: Ditto.
10003         * passes.c: Added ipa and tree-promote-statics passes.
10004         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10005         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10006         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10007         * tree-flow.h: Added exposed sra calls and addition of
10008         reference_vars_info field for FUNCTION_DECLS.
10009         * tree-pass.h: Added passes.
10010         * tree-sra.c: (sra_init_cache): New function.
10011         (sra_insert_before, sra_insert_after) Made public.
10012         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10013         and made public.
10014         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10015         aliasing. (may_alias_p): Added code to use type escape analysis to
10016         improve alias sets.
10017         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10018         code to prune clobbers of static variables based on information
10019         produced in ipa-reference pass.  Changed call clobbering so that
10020         statics are not marked as clobbered if the call does not clobber
10021         them.
10022
10023 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10024
10025         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10026         too.
10027
10028 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10029
10030         * doc/install.texi (*-*-solaris2*): Document recommended version
10031         of GNU binutils and mention GNU linker problem on Solaris 10.
10032
10033 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10034
10035         PR c/22421
10036         * c-decl.c (c_build_bitfield_integer_type): New function.
10037         (finish_struct): Call it.
10038         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10039
10040 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10041
10042         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10043         before returning.
10044
10045 2005-07-16  Jan Hubicka  <jh@suse.cz>
10046
10047         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10048         (scale_bbs_frequencies_int): Watch roundoff errors.
10049         * predict.c (return_prediction): Initialize return_stmt.
10050
10051 2005-07-16  Jan Hubicka  <jh@suse.cz>
10052
10053         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10054         after RTL profiling.
10055
10056 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10057
10058         PR middle-end/22398
10059         * fold-const.c (build_range_check): Convert high/low to etype
10060         if we are only comparing against exp.
10061
10062 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10063
10064         Fix PR tree-optimization/22376
10065         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10066         special var here.
10067         (need_to_solve): New function.
10068         (compute_points_to_sets): Use it.
10069
10070 2005-07-15  Jan Hubicka  <jh@suse.cz>
10071
10072         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10073         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10074
10075 2005-07-15  Richard Guenther  <rguenther@suse.de>
10076
10077         * c-common.c (handle_flatten_attribute): New function.
10078         Add flatten function attribute.
10079         * doc/extend.texi: Document flatten function attribute.
10080         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10081         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10082         New functions.
10083         (cgraph_decide_inlining): Handle functions with flatten
10084         attribute.
10085
10086 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10087
10088         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10089         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10090         UNSPEC_XCHG, UNSPEC_AND): New.
10091         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10092         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10093         * config/rs6000/sync.md (FETCHOP): New code macro.
10094         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10095         New code attrs.
10096         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10097         (sync_compare_and_swap<mode>): Same.
10098         (sync_lock_test_and_set<mode>): Same.
10099         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10100         for QImode and HImode, and not PPC405.
10101         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10102         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10103         (sync_<fetchop>{si,di}_internal): New.
10104         (sync_nand{si,di}_internal): New.
10105         (sync_old_<fetchop>{si,di}_internal): New.
10106         (sync_old_nand{si,di}_internal): New
10107         (sync_new_<fetchop>{si,di}_internal): New.
10108         (sync_new_nand{si,di}_internal): New.
10109         (atomic_and{si,di}): New.
10110         (sync_new_nand{si,di}_internal): New.
10111         (atomic_and{si,di}): New.
10112         (sync_add<mode>_internal): Delete.
10113         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10114         (sync_sub<mode>_internal): Delte.
10115         (sync_subshort_internal): New.
10116         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10117         (sync_anddi_internal): Delete.
10118         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10119         (sync_booldi_internal): Delete.
10120         (sync_boolc<mode>_internal): Delete.
10121         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10122         (sync_boolc<mode>_internal2): Delete.
10123         (sync_boolcc<mode>_internal): Delete.
10124         (isync, lwsync): Use unspec instead of unspec_volatile.
10125         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10126         Revert UNSPEC_VOLATILE.
10127         (rs6000_split_atomic_op): New.
10128         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10129
10130 2005-07-14  Eric Christopher  <echristo@redhat.com>
10131
10132         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10133         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10134
10135 2005-07-14  Eric Christopher  <echristo@redhat.com>
10136
10137         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10138
10139 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10140
10141         PR tree-optimization/22230
10142         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10143         the computation of the four cross productions for "range op range".
10144
10145 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10146             Ulrich Weigand  <uweigand@de.ibm.com>
10147
10148         PR target/20126
10149         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10150         in some insn.
10151
10152 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10153
10154         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10155
10156 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10157
10158         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10159
10160 2005-07-14  Richard Guenther  <rguenther@suse.de>
10161
10162         PR middle-end/22347
10163         * config/i386/i386-protos.h (ix86_function_value): Change
10164         prototype to match new target hook.
10165         * config/i386/i386.c (ix86_value_regno): Change prototype
10166         to take extra type argument.
10167         (TARGET_FUNCTION_VALUE): Define.
10168         (ix86_function_ok_for_sibcall): Pass extra argument to
10169         ix86_value_regno, check return slot rtx for exact match.
10170         (ix86_function_value): Take extra parameter.  Dispatch to
10171         ix86_value_regno with fndecl/fntype as provided.
10172         (ix86_value_regno): Handle extra type argument.
10173         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10174
10175         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10176         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10177         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10178         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10179         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10180
10181 2005-07-14  Richard Guenther  <rguenther@suse.de>
10182
10183         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10184         * calls.c (expand_call): Pass fntype to hard_function_value.
10185         (emit_library_call_value_1): Likewise.
10186         * explow.c: Include target.h.
10187         (hard_function_value): Take extra argument, the fntype.
10188         Use new target hook for function_value.
10189         * expr.h (hard_function_value): Change prototype.
10190         * function.c (aggregate_value_p): Pass 0 as fntype to
10191         hard_function_value.
10192         (assign_parms): Use new target hook for function_value.
10193         Pass 0 as fntype to hard_function_value.
10194         (expand_function_end): Likewise.
10195         * reg-stack.c: Include target.h.
10196         (stack_result): Use new target hook for function_value.
10197         * target-def.h: New target hook function_value.
10198         * target.h: Likewise.
10199         * targhooks.c (default_function_value): New function.
10200         * targhooks.h (default_function_value): Declare.
10201
10202 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10203
10204         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10205
10206 2005-07-14  Jan Hubicka  <jh@suse.cz>
10207
10208         * tree-dfa.c (dump_variable): Use default_def function.
10209         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10210         * tree-ssa.c (verify_use): Likewise.
10211         * tree-ssanames.c (release_ssa_name): Likewise.
10212         * tree-tailcall.c (eliminate_tail_call): Likewise.
10213         (tree_optimize_tail_calls_1): Likewise.
10214         * tree-vrp.c (get_value_range): Likewise.
10215
10216 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10217
10218         * gcc.c (main): Compare language[0] with '*' when iterating over
10219         the infiles.
10220
10221 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10222
10223         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10224         "s390_emit_compare".  Add handling of CCZ1mode.
10225         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10226         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10227         checking.
10228         (s390_branch_condition_mask): Add CCZ1mode handling.
10229         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10230         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10231         Use CCZ1mode instead of CCZmode.
10232         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10233
10234 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10235
10236         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10237         pattern.
10238         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10239
10240 2005-07-13  Eric Christopher  <echristo@redhat.com>
10241
10242         * config/mips/mips.c (mips_canonicalize_comparison): New.
10243         (mips_emit_int_relational): Use.
10244
10245 2005-07-13  Eric Christopher  <echristo@redhat.com>
10246
10247         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10248         static extra parts.
10249         * config/s390/s390.md: Include tpf.md. Move tpf specific
10250         patterns...
10251         * config/s390/tpf.md: To here.
10252         * config/s390/s390.opt: Move tpf specific options...
10253         * config/s390/tpf.opt: to here. Add mmain option.
10254         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10255         * config/s390/tpf.h: Rewrite.
10256
10257 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10258
10259         * doc/tm.texi: Remove @xref{Cross-profiling}.
10260
10261 2005-07-13  Jeff Law  <law@redhat.com>
10262
10263         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10264         expressions, test their _DECL operands for pointer equality rather
10265         than using operand_equal_p.
10266
10267 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10268
10269         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10270         (TARGET_POSIX_IO): This.
10271         * config/darwin.h: Likewise.
10272         * config/freebsd.h: Likewise.
10273         * config/linux.h: Likewise.
10274         * config/lynx.h: Likewise.
10275         * config/netbsd.h: Likewise.
10276         * config/rs6000/linux64.h: Likewise.
10277         * config/rs6000/linux.h: Likewise.
10278         * config/s390/tpf.h: Likewise.
10279         * config/sh/embed-elf.h: Likewise.
10280         * config/sparc/linux64.h: Likewise.
10281         * config/sparc/linux.h: Likewise.
10282         * config/svr4.h: Likewise.
10283         * gcov-io.h: Likewise.
10284
10285         * doc/tm.texi: Updated.
10286
10287         * libgcov.c (create_file_directory): Defined only if
10288         TARGET_POSIX_IO is defined.
10289         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10290         is defined.
10291
10292 2005-07-13  Jan Hubicka  <jh@suse.cz>
10293
10294         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10295
10296 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10297
10298         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10299         structure as argument.
10300
10301 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10302
10303         PR tree-optimization/21921
10304         * tree-iterator.c (tsi_link_before): Support the case when
10305         tsi_end_p (tsi) == true.
10306
10307 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10308
10309         PR tree-optimization/22442
10310         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10311         correctly.
10312
10313 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10314
10315         PR rtl-optimization/20376
10316         * toplev.c (process_options): Enable -fweb and -frename-registers when
10317         unrolling.
10318         * doc/invoke.texi: Update the information about when -fweb and
10319         -frename-registers are enabled.
10320
10321 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10322
10323         PR tree-opt/21840
10324         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10325         if *rhs_p is not a SSA_NAME.
10326
10327 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10328
10329         Fix PR tree-optimization/22422
10330         * tree-ssa-structalias.c (struct variable_info): Add flag for
10331         special vars.
10332         (get_varinfo): Now a static function.
10333         (new_varinfo): init has_union and is_special_var to false.
10334         (solution_set_add): Check has_union.
10335         (do_da_constraint): Move temporary variable so it gets reset
10336         properly.
10337         Also check for special variable.
10338         (do_ds_constraint): Ditto.
10339         (do_sd_constraint): Ditto.
10340         (do_structure_copy): Check for special variable.
10341         (find_func_aliases): Ditto.
10342         (init_base_vars): Set special vars properly.
10343
10344 2005-07-13  Jan Hubicka  <jh@suse.cz>
10345
10346         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10347         do unit-at-a-time.
10348
10349         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10350         (get_expr_operands): Fix thinko wrt flags and subvars.
10351
10352         PR tree-optimize/22379
10353         * tree-inline.c (expand_call_inline): Do not output sorry in early
10354         inlining.
10355
10356 2005-07-12  Dale Johannesen  <dalej@apple.com>
10357
10358         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10359
10360 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10361
10362         PR bootstrap/21704
10363         * host-linux.h: Include limits.h.
10364
10365 2005-07-12  Dale Johannesen  <dalej@apple.com>
10366
10367         * expr.c (compress_float_constant):  Add cost check.
10368         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10369
10370 2005-07-12  Dale Johannesen  <dalej@apple.com>
10371
10372         * gcc.target/i386/compress-float-sse.c:  New.
10373         * gcc.target/i386/compress-float-sse-pic.c:  New.
10374         * gcc.target/i386/compress-float-387.c:  New.
10375         * gcc.target/i386/compress-float-387-pic.c:  New.
10376         * gcc.dg/compress-float-ppc.c:  New.
10377         * gcc.dg/compress-float-ppc-pic.c:  New.
10378
10379 2005-07-12  Eric Christopher  <echristo@redhat.com>
10380
10381         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10382         static extra parts.
10383         * config/s390/s390.md: Include tpf.md. Move tpf specific
10384         patterns...
10385         * config/s390/tpf.md: To here.
10386         * config/s390/s390.opt: Move tpf specific options...
10387         * config/s390/tpf.opt: to here. Add mmain option.
10388         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10389         * config/s390/tpf.h: Rewrite.
10390
10391 2005-07-12  Eric Christopher  <echristo@redhat.com>
10392
10393         * gcc.c (struct infile): Update comment for language.
10394         (main): Rewrite input file resetting code.
10395
10396 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10397
10398         PR tree-opt/22335
10399         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10400         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10401         (lookup_avail_expr): Use constant_boolean_node instead
10402         of boolean_false_node/boolean_true_node.
10403
10404 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10405
10406         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10407         and use it when printing num_edges.
10408
10409 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10410
10411         * doc/extend.texi (Blackfin Built-in Functions): New section.
10412         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10413         @opindex.
10414
10415 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10416
10417         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10418         s/cmpstrsi/cmpstrnsi
10419         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10420         'cmpstrnsi'.
10421         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10422         (init_optabs): Initialize cmpstrn_optab.
10423         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10424         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10425         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10426         * config/i386/i386.md: s/cmpstr/cmpstrn
10427         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10428         * doc/md.texi: Update documentation.
10429
10430 2005-07-11  Richard Henderson  <rth@redhat.com>
10431
10432         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10433         build_va_arg_indirect_ref.
10434         (alpha_gimplify_va_arg): Likewise.
10435         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10436         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10437         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10438         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10439         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10440         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10441         Likewise.
10442         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10443
10444 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10445
10446         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10447         * passes.c (init_optimization_passes): Add pass_empty_loop.
10448         * tree-pass.h (pass_empty_loop): Declare.
10449         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10450         try_remove_empty_loop, remove_empty_loops): New functions.
10451         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10452         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10453
10454 2005-07-12  Peter Barada  <peter@the-baradas.com>
10455
10456         PR middle-end/16719
10457         PR middle-end/18421
10458         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10459         in address registers.
10460         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10461         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10462         alternative of addsi3_5200.
10463
10464 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10465
10466         * config/mips/mips.md (ffs<mode>2): Remove.
10467
10468 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10469
10470         * doc/tree-ssa.texi (Cleanups): Improve description of
10471         TRY_FINALLY_EXPR.
10472         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10473
10474 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10475
10476         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10477         * tree.h (DECL_ARGUMENT_FLD): New macro.
10478
10479 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10480
10481         Fix PR tree-optimization/22404
10482
10483         * tree-ssa-structalias.c (create_variable_info_for): Use
10484         correct offset.
10485
10486 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10487
10488         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10489         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10490         for second comparison operand.
10491         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10492
10493         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10494         (define_insn_reservation "alu"): Likewise.
10495         (csync, ssync): Now of type sync.
10496         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10497         -mcsync-anomaly -mspecld-anomaly.
10498         * config/bfin/bfin.opt (mcsync): Remove.
10499         (mcsync-anomaly, mspecld-anomaly): Add.
10500         * config/bfin/bfin.c: Include "insn-codes.h".
10501         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10502         (TARGET_DEFAULT_TARGET_FLAGS): New.
10503         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10504
10505 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10506
10507         * basic-block.h: Give the BB flags enum a name, bb_flags.
10508         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10509         * cfgcleanup.c (enum bb_flags): Remove here.
10510         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10511         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10512         (update_forwarder_flag): Likewise.
10513         (thread_jump): Likewise.
10514         (try_forward_edges): Likewise.
10515         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10516         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10517         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10518
10519 2005-07-11  Richard Guenther  <rguenther@suse.de>
10520
10521         * config/i386/i386.opt: New target option -msseregparm.
10522         * config/i386/i386.c (override_options): Error out for
10523         -msseregparm but no SSE support.
10524         (ix86_function_sseregparm): Check for global sseregparm.
10525         * doc/invoke.texi: Document -msseregparm.
10526
10527 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10528
10529         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10530         (m32rle-*-linux*): Ditto.
10531
10532 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10533
10534         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10535         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10536         bytes.
10537
10538 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10539
10540         PR middle-end/22239
10541         PR target/20126
10542         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10543         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10544
10545 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10546
10547         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10548         (varmap): Heapify varmap.
10549         (constraints): Heapify constraints.
10550         (struct constraint_graph): Heapify succs and preds.
10551         (constraint_vec_find): Update for heapification.
10552         (constraint_set_union): Ditto.
10553         (insert_into_complex): Ditto.
10554         (constraint_edge_vec_find): Ditto.
10555         (erase_graph_self_edge): Ditto.
10556         (add_graph_edge): Ditto.
10557         (get_graph_weights): Ditto.
10558         (merge_graph_nodes): Ditto.
10559         (build_constraint_graph): Ditto.
10560         (topo_visit): Ditto.
10561         (solve_graph): Ditto.
10562         (create_variable_info_for): Ditto.
10563         (init_base_vars): Ditto.
10564         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10565         (condese_varmap_nodes): Free complex vector.
10566         (clear_edges_for_node): Clear succs and preds vector.
10567
10568 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10569
10570         * tree-ssa-structalias.c (update_alias_info): Change counting of
10571         references to not include vdefs.
10572
10573 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10574
10575         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10576         (up_insert): Ditto.
10577
10578 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10579
10580         * pa.c (pa_commutative_p): Make PLUS commutative when
10581         TARGET_NO_SPACE_REGS is true.
10582
10583 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10584
10585         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10586         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10587         * tree-dfa.c (dump_subvars_for): New.
10588         (debug_subvars_for): New.
10589         (dump_variable): Show subvariables if VAR has them.
10590         * tree-flow-inline.h (get_subvar_at): New.
10591         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10592         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10593         Update all users.
10594         (struct subvar): Change fields offset and size to unsigned
10595         HOST_WIDE_INT.
10596         (dump_subvars_for): Declare.
10597         (debug_subvars_for): Declare.
10598         (get_subvar_at): Declare.
10599         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10600         to unsigned HOST_WIDE_INT *.
10601         (overlap_subvar): Likewise.
10602         * tree-gimple.c (is_gimple_reg): Always return false for
10603         SFTs and memory tags.
10604         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10605         Update all callers.
10606         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10607         (compute_may_aliases): Call compute_points_to_sets.
10608         (collect_points_to_info_for): Remove.
10609         (compute_points_to_and_addr_escape): Remove.
10610         (delete_alias_info): Call delete_points_to_sets.
10611         (compute_flow_sensitive_aliasing): If the call to
10612         find_what_p_points_to returns false, call set_pt_anything.
10613         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10614         (set_pt_anything): Clear pi->pt_vars.
10615         (set_pt_malloc): Remove.
10616         (merge_pointed_to_info): Remove.
10617         (add_pointed_to_expr): Remove.
10618         (add_pointed_to_var): Remove.
10619         (collect_points_to_info_r): Remove.
10620         (is_escape_site): Make extern.
10621         (create_sft): New.
10622         (create_overlap_variables_for): Call it.
10623         * tree-ssa-copy.c (merge_alias_info): Never merge
10624         flow-sensitive alias information.
10625         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10626         offset and size to be unsigned HOST_WIDE_INT.
10627         (add_to_addressable_set): Rename from note_addressable.
10628         Set TREE_ADDRESSABLE as the variables are added to the set.
10629         Update all users.
10630         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10631         operands into VUSEs when adding V_MAY_DEFs for members in an
10632         alias set.
10633         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10634         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10635         (struct variable_info): Add bitfield is_heap_var.
10636         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10637         (new_var_info): Initialize is_heap_var.
10638         (get_constraint_for): Add HEAP variables to the symbol table.
10639         Mark them with is_heap_var.
10640         (update_alias_info): New.  Taken mostly from the old
10641         compute_points_to_and_addr_escape.
10642         (handle_ptr_arith): New.
10643         (find_func_aliases): Call update_alias_info.
10644         Call handle_ptr_info for tcc_binary expressions.
10645         Call mark_stmt_modified.
10646         (create_variable_info_for): If DECL has subvars, do not create
10647         variables for its subvars.  Always add all the fields.
10648         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10649         SFTs, then add all the SFTs of the structure.
10650         If VI->DECL is an aggregate with subvariables, add the SFT at
10651         VI->OFFSET.
10652         (find_what_p_points_to): If VI is an artificial variable,
10653         translate to bitfields in SSA_NAME_PTR_INFO.
10654         If the solution is empty, set pi->pt_vars to NULL
10655         (init_base_vars): Create ANYOFFSET.
10656         (compute_points_to_sets): Rename from create_alias_vars.
10657         Make extern.
10658         (pass_build_pta): Remove.
10659         (delete_points_to_sets): Rename from delete_alias_vars.
10660         (pass_del_pta): Remove.
10661         * tree-ssa-structalias.h (struct alias_info): Move from
10662         tree-ssa-alias.h.
10663         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10664         NUM_REFERENCES_SET): Likewise.
10665         (compute_points_to_sets, delete_points_to_sets): Declare.
10666
10667 2005-07-09  Richard Henderson  <rth@redhat.com>
10668
10669         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10670         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10671         alpha_split_lock_test_and_set_12): New functions.
10672         * config/alpha/alpha-protos.h: Update.
10673         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10674         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10675         * config/alpha/sync.md (I12MODE): New.
10676         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10677         (sync_<fetchop_name><I48MODE>): Likewise.
10678         (sync_nand<I48MODE>): Likewise.
10679         (sync_old_<fetchop_name><I48MODE>): Likewise.
10680         (sync_new_<fetchop_name><I48MODE>): Likewise.
10681         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10682         (sync_compare_and_swap<I48MODE>): Likewise.
10683         (sync_lock_test_and_set<I48MODE>): Likewise.
10684         (sync_compare_and_swap<I12MODE>): New.
10685         (sync_compare_and_swap<I12MODE>_1): New.
10686         (sync_lock_test_and_set<I12MODE>): New.
10687         (sync_lock_test_and_set<I12MODE>_1): New.
10688
10689 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10690
10691         PR 21356
10692         PR 22332
10693         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10694
10695 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10696
10697         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10698         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10699
10700 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10701
10702         PR target/21656
10703         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10704
10705 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10706
10707         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10708         memory_operand constraint.
10709         (store_conditional_<mode>): Same.
10710         (sync_compare_and_swap<mode>): Same.
10711         (sync_lock_test_and_set<mode>): Same.
10712
10713 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10714
10715         Rewrite PIC support to more closely model actual instructions.
10716         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10717         (cris_symbol): Remove prototypes for removed functions.
10718         (cris_pic_symbol_type_of, cris_valid_pic_const)
10719         (cris_expand_pic_call_address): Prototypes for new functions.
10720         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10721         variable.
10722         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10723         modifiers.
10724         <case ':'>: Add case for new punctuation character.
10725         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10726         emitting (extra) PIC modifier.
10727         <case UNSPEC>: Do not assert for PLT.
10728         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10729         (cris_expand_prologue, cris_expand_epilogue): Check
10730         for pic_offset_table_rtx usage instead of taking
10731         current_function_uses_pic_offset_table as the final word.
10732         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10733         Remove flag_pic difference.
10734         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10735         the moral equivalents of...
10736         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10737         functions.
10738         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10739         (cris_handle_option): Mark ARG as unused.
10740         (cris_expand_pic_call_address): New worker function for "call",
10741         "call_value".
10742         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10743         output PIC constructs here.
10744         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10745         as symbol-specific modifers, not whole or part of operands.
10746         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10747         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10748         constants and flag_pic.
10749         (CONSTANT_INDEX_P): Adjust for new functions.
10750         (enum cris_pic_symbol_type): New helper type.
10751         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10752         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10753         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10754         define_constants.
10755         ("movsi"): Emit actual instructions for GOT and relative access.
10756         ("*movsi_got_load"): New pattern to set up the register holding
10757         the GOT pointer.
10758         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10759         Adjust FIXME for 'S'.
10760         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10761         Use "movs" for -fpic cases.
10762         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10763         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10764         ("call", "call_value"): Just call cris_expand_pic_call_address for
10765         PIC addresses.
10766         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10767         Remove special pattern.
10768         ("*expanded_call_side", "*expanded_call_value_side"): New
10769         patterns.
10770         (gotplt-to-plt, gotplt-to-plt-side-call)
10771         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10772         peephole2:s.
10773         * config/cris/cris/predicates.md
10774         ("cris_general_operand_or_gotless_symbol"): Remove unused
10775         predicate.
10776         ("cris_general_operand_or_symbol"): Adjust for new functions.
10777
10778 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10779
10780         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10781
10782 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10783
10784         * Makefile.in (TREE_H): Add treestruct.def.
10785         (c-decl.o): Add pointer-set.h
10786         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10787         visibility on regular DECL's.
10788         (merge_decls): Fix the copying of decl nodes of various types for
10789         the new structures.  Don't update RTL, section name, weak status,
10790         etc, on DECL's without RTL.
10791         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10792         Don't check volatile on non-variable types.
10793         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10794         to check whether we have seen arguments.
10795         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10796         flag is checked before field (flag is common, field is not).
10797         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10798         TS_DECL_COMMON could have an origin.
10799         (add_location_or_const_value_attribute): Don't check section name
10800         on non-var/function decls.
10801         (dwarf2out_var_location): Reverse order of tests.
10802         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10803         with DECL_WRTL_CHECK.
10804         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10805         * fold-const.c (fold_binary): Don't check weakness on
10806         non-var/function decls.
10807         (tree_expr_nonzero_p): Ditto.
10808         (fold_checksum_tree): Use tree_decl_extra as sizeof
10809         buffer.
10810         * ggc-page.c (extra_order_size_table): Add sizes for
10811         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10812         tree_field_decl.
10813         * gimplify.c (gimplify_bind_expr): Only set
10814         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10815         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10816         without RTL.
10817         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10818         * langhooks.h (init_ts). New langhook.
10819         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10820         * print-tree.c (print_node): Update to only print fields that
10821         exist in the structures the passed decl has.
10822         * toplev.c (wrapup_global_declarations): Don't reset
10823         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10824         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10825         * tree-inline.c (remap_decl): Ditto.
10826         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10827         * tree-pretty-print.c (print_declaration): Don't print
10828         DECL_REGISTER on things that don't contain it.
10829         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10830         non-var/function decls.
10831         * tree.c (tree_contains_struct): New structure.
10832         (init_priority_for_decl): New hashtable.
10833         (tree_int_map): New structure.
10834         (tree_int_map_eq): New function.
10835         (tree_int_map_marked_p): Ditto.
10836         (tree_int_map_hash): Ditto.
10837         (tree_map): Move to tree.h.
10838         (tree_map_eq): Externalize.
10839         (tree_map_hash): Ditto.
10840         (tree_map_marked_p): Ditto.
10841         (init_ttree): Set up tree_contains_struct and call langhook.
10842         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10843         (tree_code_size): Update for new structures.
10844         (tree_node_structure): Update for new structures.
10845         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10846         without the field.
10847         (copy_node_stat):  Copy init priority.
10848         (build_decl_stat): Ditto for visibility.
10849         (ts_enum_names): New.
10850         (tree_contains_struct_check_failed): New function.
10851         (decl_init_priority_lookup): Ditto.
10852         (decl_init_priority_insert): Ditto.
10853         * treestruct.def: New file.
10854         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10855         (CONTAINS_STRUCT_CHECK): Ditto.
10856         (tree_contains_struct_check_failed): New prototype.
10857         (DECL_CHECK): Removed.
10858         (DECL_MINIMAL_CHECK): New.
10859         (DECL_COMMON_CHECK): Ditto.
10860         (DECL_WRTL_CHECK): Ditto.
10861         (DECL_NON_COMMON_CHECK): Ditto.
10862         (DECL_WITH_VIS_CHECK): Ditto.
10863         (VAR_OR_FUNCTION_DECL_P): Ditto
10864         (struct tree_decl_minimal): New structure.
10865         (struct tree_decl_common): Ditto.
10866         (struct tree_decl_with_rtl): Ditto.
10867         (struct tree_decl_with_vis): Ditto.
10868         (struct tree_decl_non_common): Ditto.
10869         (struct tree_field_decl): Ditto.
10870         (struct tree_parm_decl): Ditto.
10871         (struct tree_var_decl): Ditto.
10872         (struct tree_function_decl): Ditto.
10873         (struct tree_const_decl): Ditto.
10874         (struct tree_result_decl): Ditto.
10875         (union tree_node): Add new structures.
10876         * var-tracking.c (track_expr_p): Reverse order of tests.
10877
10878         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10879
10880 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10881
10882         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10883         * system.h: Poison FINALIZE_PIC.
10884         * doc/tm.texi (FINALIZE_PIC): Remove.
10885
10886 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10887
10888         PR tree-opt/22329
10889         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10890         to the correct type if we have a MODIFY_EXPR.
10891
10892 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10893
10894         PR tree-optimization/22360
10895         * tree.c (upper_bound_in_type): Fix calculations for casting
10896         to a non-wider signed type and casting a signed value to a
10897         wider unsigned type.
10898         (lower_bound_in_type): Fix calculations for casting to a
10899         non-wider signed type.
10900
10901         PR tree-optimization/20139
10902         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10903         release_defs.
10904         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10905         fold_cond_expr_cond.
10906         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10907         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10908
10909 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10910
10911         PR tree-opt/22356
10912         * tree-complex.c (expand_complex_libcall): Produce
10913         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10914
10915 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10916
10917         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10918         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10919         b" assert and inserted fastpath code for this case.
10920         (bitmap_ior): Removed "a != b" assert.
10921
10922 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10923
10924         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10925         (ENDFILE_SPEC): Likewise.
10926         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10927
10928         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10929         a large stack frame at epilogue.
10930
10931 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10932
10933         * final.c: Include sdbout.h when required.
10934
10935 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10936
10937         * config.gcc (*-*-darwin*): Only one target-specific header file
10938         for generic darwin.
10939         (powerpc-*-darwin*): Add version-specific header files.
10940         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10941         * config.in: Regenerate.
10942         * configure: Regenerate.
10943         * gcc.c: Include xregex.h.
10944         (version_compare_spec_function): New.
10945         (spec_function): Add version-compare.
10946         (replace_outfile_spec_function): Reformat comment.
10947         (compare_version_strings): New.
10948         * config/darwin-c.c (version_as_macro): New.
10949         (builtin_define): New.
10950         (darwin_cpp_builtins): New.
10951         * config/darwin-protos.h (darwin_cpp_builtins): New.
10952         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10953         (LIB_SPEC): Make unconditional, update comment.
10954         (TARGET_C99_FUNCTIONS): Define.
10955         * config/darwin.opt: Sort.
10956         (mmacosx-version-min=): New.
10957         * config/darwin7.h: Delete.
10958         * config/darwin8.h: Delete.
10959         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10960         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10961         (TARGET_C99_FUNCTIONS): Define.
10962         * config/rs6000/darwin7.h: New.
10963         * config/rs6000/darwin8.h: New.
10964         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10965         (-mmacosx-version-min): Document.
10966
10967 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10968
10969         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10970
10971 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10972
10973         PR middle-end/22239
10974         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10975
10976 2005-07-07  Khem Raj  <kraj@mvista.com>
10977
10978         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10979         in bytes, not words.
10980
10981 2005-07-07  Paul Brook  <paul@codesourcery.com>
10982
10983         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10984         DEFAULT_FUNCTION_ARG_PADDING to upward.
10985
10986 2005-07-07  Richard Henderson  <rth@redhat.com>
10987
10988         * function.c (locate_and_pad_parm): Record parameter alignment in
10989         stack_alignment_needed.
10990
10991 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10992
10993         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10994         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10995         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10996         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10997         (define_attr "type"): Add isync, sync, load_l, store_c.
10998         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10999         Create scratch volatile MEM.
11000         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11001         sync.
11002         (load_locked_<mode>): New.
11003         (store_conditional_<mode>): New.
11004         (sync_compare_and_swap<mode>): Replace with splitter.
11005         (sync_lock_test_and_set<mode>): Replace with splitter.
11006         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11007         and UNSPECV_ISYNC.
11008         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11009         is ics.  Attribute isync.
11010         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11011         lwsync.
11012         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11013         and UNSPECV_SYNC_OP.
11014         (emit_unlikely_jump): New.
11015         (emit_load_locked): New.
11016         (emit_store_conditional): New.
11017         (rs6000_split_compare_and_swap): New.
11018         (rs6000_split_lock_test_and_set): New.
11019         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11020         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11021         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11022         rs6000_split_lock_test_and_set): Declare.
11023         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11024         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11025         store_c, isync, sync.
11026
11027 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11028
11029         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11030         filenames to gtyp-gen.h.
11031         (s-typ-gen): Use it in place of for loops.
11032
11033 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11034
11035         * hooks.c (hook_bool_rtx_int_false): New function.
11036         * hooks.h (hook_bool_rtx_int_false): Declare.
11037         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11038         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11039         * target.h (struct gcc_target): Add commutative_p member.
11040         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11041         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11042         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11043         (pa_commutative_p): New function.
11044         * jump.c (target.h): Include.
11045         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11046         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11047
11048 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11049
11050         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11051         (s390_expand_setmem): New.
11052         * config/s390/s390.c: Likewise.
11053         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11054         Adapt comments.
11055         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11056         general_operand.  Call new function "s390_expand_setmem".
11057         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11058         ("setmem_long", "*setmem_long"): ... this.
11059
11060 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11061
11062         * config/s390/s390.c: (optimization_options): Enable
11063         TARGET_MVCLE at -Os.
11064         * doc/invoke.texi: Document changes in default behaviour.
11065         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11066
11067 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11068
11069         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11070         defined by back-end.
11071
11072 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11073
11074         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11075         all sets in the pattern.
11076         * config/rs6000/rs6000.md (stack_protect_testsi,
11077         stack_protect_testdi): Likewise.
11078
11079 2005-07-06  Jeff Law  <law@redhat.com>
11080
11081         * tree-vrp.c (simplify_using_ranges): Kill.
11082         (vrp_finalize): Remove call to simplify_using_ranges.
11083         (simplify_stmt_using_ranges): New function extracted from
11084         simplify_using_ranges.
11085         (simplify_div_or_mod_using_ranges): Likewise.
11086         (simplify_abs_using_ranges): Likewise.
11087         (simplify_cond_using_ranges): New function.
11088         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11089         * tree-ssa-propagate.c (substitute_and_fold): Call
11090         simplify_stmt_using_ranges if we have range information.
11091
11092 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11093
11094         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11095         ia64_flag_schedule_isns2.
11096
11097         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11098         reading/writing general registers.
11099         (ia64_function_arg): Revert 2005-06-18 change.
11100
11101 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11102
11103         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11104         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11105
11106 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11107
11108         * function.c (expand_function_end): Revert part of 2005-06-27
11109         patch.  Do sjlj_emit_function_exit_after after return_label.
11110
11111 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11112
11113         * doc/install.texi (--disable-libssp): New.
11114
11115 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11116
11117         * doc/invoke.texi: Update -fforce-mem documentation.
11118         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11119         code for -fforce-mem.
11120         * expmed.c: (store_bit_field,store_fixed_bit_field,
11121         extract_bit_field): Ditto.
11122         * expr.c: (convert_move): Ditto.
11123         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11124         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11125         emit_conditional_add,expand_float,expand_fix): Ditto.
11126         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11127         (common_handle_option): Issue warning when -fforce-mem specified.
11128
11129 2005-07-06  Paul Brook  <paul@codesourcery.com>
11130
11131         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11132         argument is empty.
11133         * configure: Regenerate.
11134
11135 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11136
11137         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11138
11139 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11140
11141         Fix PR tree-optimization/22319
11142         Fix PR tree-optimization/22140
11143         Fix PR tree-optimization/22310
11144
11145         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11146         variable sized types.
11147         Use correct type for intermediate structure on *a = *b structure
11148         copies.
11149
11150 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11151
11152         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11153         Remove.
11154         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11155         (machine_function): Move typedef to...
11156         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11157         varargs_save_offset field.
11158         (rs6000_stack_t): Remove varargs_size field.
11159         (setup_incoming_varargs): Allocate varargs save area using
11160         assign_stack_local, try to make it as small as possible.
11161         Save offset from virtual_stack_vars_rtx to the save area
11162         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11163         instead of magic 8 when fp word byte size is used.
11164         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11165         instead of -RS6000_VARARGS_SIZE.
11166         (rs6000_stack_info, debug_stack_info,
11167         rs6000_initial_elimination_offset): Remove all traces of
11168         varargs_size.
11169         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11170         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11171         RS6000_VARARGS_AREA.
11172
11173 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11174
11175         PR tree-optimization/21963
11176         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11177         constant_multiple_of in the same way get_computation_cost_at does.
11178
11179 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11180
11181         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11182         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11183         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11184         and return its previous value.
11185         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11186         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11187         constants.
11188         (stack_protect_set, stack_protect_test): New expanders.
11189         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11190         stack_protect_testdi): New insns.
11191         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11192         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11193
11194 2005-07-06  Jeff Law  <law@redhat.com>
11195
11196         * tree-ssa-dce.c (cfg_altered): New global.
11197         (tree_dce_init): Initialize cfg_altered.
11198         (remove_dead_stmt): If we remove an edge in the CFG, then set
11199         CFG_ALTERED.
11200         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11201         the dominators.
11202
11203 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11204
11205         * Makefile.in (stamp-collect-ld): Use
11206         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11207         ./collect-ld if it already exists.
11208         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11209         Don't remove ./nm if it already exists.
11210
11211 2005-07-05  Devang Patel  <dpatel@apple.com>
11212
11213         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11214         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11215         * tree-vectorizer.c (vect_loop_location): New.
11216         (vect_print_dump_info): Use vect_loop_location.
11217         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11218         (vectorize_loops): Set vect_loop_location.
11219         * tree-vect-analyze.c (vect_analyze_offset_expr,
11220         vect_determin_vectorization_factor, vect_analyze_operations,
11221         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11222         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11223         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11224         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11225         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11226         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11227         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11228         vect_analyze_loop): Adjust vect_print_dump_info API.
11229         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11230         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11231         vect_finish_stmt_generation, vectorizable_assignment,
11232         vectorizable_operation, vectorizable_store, vectorizable_load,
11233         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11234         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11235         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11236         vect_transform_loop): Same.
11237         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11238         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11239         Same.
11240
11241 2005-07-05  Randolph Chung  <tausq@debian.org>
11242
11243         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11244         * configure: Regenerate.
11245         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11246         (pa_tls_referenced_p): Declare.
11247         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11248         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11249         (legitimize_tls_address): New.
11250         (hppa_legitimize_address): Handle TLS addresses.
11251         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11252         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11253         (emit_move_sequence): Handle TLS addresses.
11254         (pa_encode_section_info): Call default handler to handle common
11255         sections.
11256         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11257         (CONSTANT_ADDRESS_P): Reject TLS operands.
11258         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11259         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11260         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11261         (UNSPEC_TLSLE): Define new constants.
11262         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11263         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11264         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11265         (tie_symbolic_operand, tle_symbolic_operand): New
11266
11267 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11268
11269         * aclocal.m4: Update macros for autoconf 2.59 style.
11270         * configure.ac: Likewise.
11271
11272 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11273
11274         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11275         (function_arg): Pass small aggregates in general registers on 32-bit
11276         targets.
11277         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11278
11279 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11280
11281         * Makefile.in (final.o): Fix dependencies.
11282
11283 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11284
11285         PR c/22013
11286         PR c/22098
11287         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11288         * langhooks.c (lhd_expr_to_decl): New.
11289         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11290         New.
11291         (LANG_HOOKS_INITIALIZER): Update.
11292         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11293         expr_to_decl langhook.
11294         * c-tree.h (c_expr_to_decl): Declare.
11295         * c-typeck.c (c_expr_to_decl): New.
11296         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11297         specially.
11298         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11299
11300 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11301
11302         PR c/22308
11303         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11304         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11305
11306 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11307
11308         * Makefile.in: Adjust dependencies.
11309         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11310         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11311         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11312         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11313         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11314         rest_of_compilation.
11315
11316         * bb-reorder.c (gate_duplicate_computed_gotos,
11317         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11318         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11319         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11320         pass_partition_blocks): New.
11321         * bt-load.c (gate_handle_branch_target_load_optimize,
11322         rest_of_handle_branch_target_load_optimize,
11323         pass_branch_target_load_optimize): New.
11324         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11325         pass_jump2): New.
11326         * cfglayout.c (pass_insn_locators_initialize): New.
11327         * cfgrtl.c (pass_free_cfg): New.
11328         * combine.c (gate_handle_combine, rest_of_handle_combine,
11329         pass_combine): New.
11330         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11331         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11332         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11333         * except.c (pass_set_nothrow_function_flags,
11334         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11335         pass_rtl_eh): New.
11336         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11337         rest_of_handle_shorten_branches, pass_shorten_branches,
11338         rest_of_clean_state, pass_clean_state): New.
11339         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11340         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11341         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11342         pass_flow2): New.
11343         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11344         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11345         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11346         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11347         pass_gcse): New.
11348         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11349         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11350         pass_rtl_ifcvt, gate_handle_if_after_combine,
11351         rest_of_handle_if_after_combine, pass_if_after_combine,
11352         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11353         pass_if_after_reload): New.
11354         * integrate.c (pass_initial_value_sets): New.
11355         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11356         pass_purge_lineno_notes): New.
11357         * mode-switching.c (rest_of_handle_mode_switching,
11358         pass_mode_switching): New.
11359         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11360         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11361         pass_loop2): New.
11362         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11363         pass_loop_optimize): New.
11364         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11365         pass_sms): New.
11366         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11367         pass_gcse2): New.
11368         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11369         pass_postreload_cse): New.
11370         * profile.c (gate_handle_profiling, pass_profiling,
11371         rest_of_handle_branch_prob, pass_branch_prob): New.
11372         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11373         pass_split_before_regstack, gate_handle_split_before_regstack,
11374         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11375         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11376         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11377         pass_stack_regs): New.
11378         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11379         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11380         pass_stack_adjustments): New.
11381         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11382         pass_regrename): New.
11383         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11384         pass_delay_slots, gate_handle_machine_reorg,
11385         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11386         * rtl.h (extern void purge_line_number_notes): New.
11387         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11388         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11389         pass_sched2): New.
11390         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11391         pass_tracer): New.
11392         * value-prof.c (gate_handle_value_profile_transformations,
11393         rest_of_handle_value_profile_transformations,
11394         pass_value_profile_transformations): New.
11395         * var-tracking.c (gate_handle_var_tracking,
11396         pass_variable_tracking): New.
11397         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11398
11399         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11400         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11401         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11402         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11403         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11404         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11405         rest_of_handle_gcse2, rest_of_handle_regmove,
11406         rest_of_handle_tracer, rest_of_handle_if_conversion,
11407         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11408         rest_of_handle_web, rest_of_handle_branch_prob,
11409         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11410         rest_of_handle_jump_bypass, rest_of_handle_combine,
11411         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11412         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11413         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11414         rest_of_handle_mode_switching, rest_of_handle_jump,
11415         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11416         rest_of_handle_flow2, rest_of_handle_jump2,
11417         rest_of_handle_peephole2, rest_of_handle_postreload,
11418         rest_of_handle_shorten_branches, rest_of_clean_state,
11419         rest_of_compilation): Remove.
11420
11421         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11422         * passes.c (dump_flags, in_gimple_form, all_passes,
11423         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11424         register_dump_files, next_pass_1, last_verified, execute_todo,
11425         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11426         from tree-optimize.c.
11427         (init_optimization_passes): Moved from tree-optimize.c,
11428         adding the RTL optimizations.
11429         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11430         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11431         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11432         register_dump_files, next_pass_1, last_verified, execute_todo,
11433         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11434         init_tree_optimization_passes, ipa_passes): Delete.
11435         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11436         the RTL dumps.
11437         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11438         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11439         from tree.h.
11440         (ipa_passes): Remove.
11441         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11442         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11443         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11444         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11445         (dump_info_p, dump_flag): Moved to tree-dump.h.
11446
11447         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11448         cgraph.c, opts.c.
11449         * passes.c (finish_optimization_passes): Use dump_begin
11450         and dump_end, TDI_end.
11451         (gate_rest_of_compilation): New.
11452         (pass_rest_of_compilation): Use it.
11453         (gate_postreload, pass_postreload): New.
11454         * toplev.c (general_init): Rename init_tree_optimization_passes.
11455         * toplev.h (init_tree_optimization_passes): Rename to
11456         init_optimizations_passes.
11457         * tree-dump.c (dump_flag): Make static.
11458         (dump_files): Remove RTL dumps.
11459         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11460         pass_cleanup_cfg, pass_free_cfg_annotations,
11461         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11462         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11463         * tree-pretty-print.c: Include tree-pass.h.
11464         * cgraph.c: Include tree-dump.h.
11465
11466 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11467
11468         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11469         Only fall back to saying it points to readonly memory if
11470         we can't do better.
11471
11472 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11473
11474         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11475         * config/m32r/m32r.c (m32r_compute_frame_size,
11476         m32r_expand_prologue): Take current_function_profile into
11477         account whenever we reference
11478         current_function_uses_pic_offset_table.
11479         (m32r_finalize_pic): Remove.
11480         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11481
11482 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11483
11484         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11485         instead of $<.  Don't remove ./as if it already exists.
11486
11487 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11488
11489         PR target/21723
11490         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11491         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11492         for complex modes when generating code for PA 1.0.
11493         (VALID_FP_MODE_P): New macro.
11494         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11495         sets for all general and floating point modes.  Align wide floating
11496         point modes to even register boundaries to comply with architectural
11497         requirements.
11498         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11499         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11500         (VALID_FP_MODE_P): New macro.
11501         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11502         sets for all general and floating point modes.  Align wide floating
11503         point modes to even register boundaries to comply with architectural
11504         requirements.
11505
11506 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11507
11508         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11509         to 0.
11510
11511 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11512
11513         * tree-ssa-structalias.c: Don't include expr.h.
11514
11515 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11516
11517         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11518         comments.
11519
11520 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11521
11522         Fix PR tree-optimization/22279
11523
11524         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11525         correct operator.
11526
11527 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11528
11529         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11530
11531 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11532
11533         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11534         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11535         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11536         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11537         config/stormy16/stormy16.c, config/v850/v850.c,
11538         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11539         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11540         Avoid "." or "\n" at end of diagnostics and capital letters at
11541         start of diagnostics.
11542         * combine.c, cse.c: Don't translate dump file output.
11543         * toplev.c (print_version): Only translate output if going to
11544         stderr.
11545
11546 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11547
11548         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11549         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11550         typos.
11551
11552 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11553
11554         * pa.c (fix_range): Fix typo in comment.
11555
11556 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11557
11558         * tree-vrp.c (extract_range_from_assert): Replace
11559         fold (build (...)) with fold_build2.
11560
11561 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11562
11563         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11564         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11565         (format_types_orig, handle_format_attribute): Add support for
11566         format "gcc_gfc".
11567
11568 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11569
11570         * varasm.c (assemble_variable): Fix format specifier thinko.
11571
11572 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11573
11574         PR tree-optimization/22029 (and 22135)
11575         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11576         a phi node before calling dump_vops.
11577
11578 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11579
11580         * tree-dump.h (dump_string_field): Declare.
11581         * tree-dump.c: Use it instead of dump_string.
11582         (dump_string_field): Make non-static.
11583
11584 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11585
11586         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11587         up the minimal CFG stuff always when optimize > 0.  Call
11588         split_all_insns_noflow in PIC case if needed.
11589
11590 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11591             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11592
11593         PR c++/18279
11594         * c-decl.c (c_write_global_declarations): Dump contents of
11595         external scope to.
11596         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11597         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11598         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11599         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11600         is enabled.
11601
11602 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11603
11604         * c-common.h (GCC_DIAG_STYLE): Define.
11605         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11606         version for format checking to 4.1.
11607         * c-format.c: Include toplev.h after c-common.h.
11608         (enum format_type): Add gcc_tdiag_format_type.
11609         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11610         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11611         (format_types_orig): Add gcc_tdiag.
11612         (init_dynamic_diag_info): Support gcc_tdiag formats.
11613         (handle_format_attribute): Likewise.
11614         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11615         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11616         version for format checking to 4.1.
11617         (warning0, warning, error, pedwarn, sorry): Use
11618         ATTRIBUTE_GCC_DIAG.
11619         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11620         (finish_aliases_1): Do not use %qE.
11621         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11622         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11623         Correct format bugs.
11624         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11625         parameter to unsigned HOST_WIDE_INT.
11626         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11627
11628 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11629
11630         PR middle-end/21742
11631         * expr.c (write_complex_part): Use adjust_address for MEM.
11632         (read_complex_part): Same.
11633
11634 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11635
11636         Fix PR tree-optimization/22280
11637
11638         * tree-sra.c (generate_element_init): Remove useless loop.
11639
11640 2005-07-02  Richard Henderson  <rth@redhat.com>
11641
11642         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11643         TLS_MODEL_NONE.
11644         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11645
11646 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11647
11648         PR middle-end/14490
11649         * fold-const.c (fold_binary): Handle the return value of
11650         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11651         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11652
11653 2005-07-02  Jeff Law  <law@redhat.com>
11654
11655         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11656         a eliminate type conversion which feeds an equality comparison
11657         if the original type or either operand in the comparison is a
11658         function pointer.
11659
11660 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11661
11662         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11663         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11664         texts.
11665         * config/avr/avr.c: Do not use '`' as left quote.
11666         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11667         Remove "." from end of diagnostics.  Make diagnostics start with
11668         lowercase letter.
11669
11670 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11671             Joseph S. Myers  <joseph@codesourcery.com>
11672
11673         * toplev.c (default_tree_printer): Handle setting location with
11674         '+' flag.
11675         * c-objc.common.c (c_tree_printer): Likewise.
11676         * c-format.c (gcc_diag_flag_specs): Add '+'.
11677         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11678         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11679         formats.
11680         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11681         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11682         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11683         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11684         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11685         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11686         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11687         format arguments where %J is used without %D.
11688
11689 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11690
11691         * gcc.c (LINK_SSP_SPEC): Define.
11692         (link_ssp_spec): New variable.
11693         (LINK_COMMAND_SPEC): Add %(link_ssp).
11694         (static_specs): Add link_ssp_spec.
11695         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11696         * configure: Rebuilt.
11697         * config.in: Rebuilt.
11698
11699         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11700         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11701         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11702         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11703         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11704         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11705         -0x7008(2) instead of reading __stack_chk_guard variable.
11706         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11707         number.
11708         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11709         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11710         if TARGET_THREAD_SSP_OFFSET is defined.
11711         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11712         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11713
11714         Revert:
11715         2005-06-27  Richard Henderson  <rth@redhat.com>
11716         * libgcc-std.ver (GCC_4.1.0): New.
11717         * libgcc.h (__stack_chk_guard): Declare.
11718         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11719         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11720         * mklibgcc.in (lib2funcs): Add them.
11721
11722 2005-07-01  Richard Henderson  <rth@redhat.com>
11723
11724         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11725         void * before struct sigcontext *.
11726         (x86_fallback_frame_state): Likewise.
11727
11728 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11729
11730         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11731
11732 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11733
11734         PR tree-opt/22269
11735         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11736         we check for SSA_NAME for.
11737
11738 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11739
11740         Fix PR tree-optimization/22071
11741
11742         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11743         function.
11744         (get_constraint_for_component_ref): Use it.
11745
11746 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11747
11748         PR other/22264
11749         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11750         print out the last new line.
11751
11752 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11753
11754         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11755         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11756         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11757         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11758         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11759         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11760         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11761         (enum reg_class): New member CC0_REGS.
11762         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11763         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11764         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11765         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11766         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11767         Adjust for register now described.
11768
11769 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11770
11771         PR target/22262
11772         * config/i386/i386.md (stack_protect_test_si,
11773         stack_protect_test_di): Add earlyclobber for scratch 3.
11774         * config/rs6000/rs6000.md (stack_protect_testsi,
11775         stack_protect_testdi): Add earlyclobber for scratch 3,
11776         remove earlyclobber from scratch 4.
11777
11778 Older entries for 2005 can be found in ChangeLog-2005.